merge branch 'master' into syncplay-sessions-fix

114 files changed, 4857 insertions, 602 deletions

diff --git a/tests/Jellyfin.Api.Tests/Auth/CustomAuthenticationHandlerTests.cs b/tests/Jellyfin.Api.Tests/Auth/CustomAuthenticationHandlerTests.cs
index de03aa5f5..cd03958b6 100644
--- a/tests/Jellyfin.Api.Tests/Auth/CustomAuthenticationHandlerTests.cs
+++ b/tests/Jellyfin.Api.Tests/Auth/CustomAuthenticationHandlerTests.cs
@@ -136,7 +136,7 @@ namespace Jellyfin.Api.Tests.Auth
             _jellyfinAuthServiceMock.Setup(
                     a => a.Authenticate(
                         It.IsAny<HttpRequest>()))
-                .Returns(authorizationInfo);
+                .Returns(Task.FromResult(authorizationInfo));
 
             return authorizationInfo;
         }
diff --git a/tests/Jellyfin.Api.Tests/Auth/DefaultAuthorizationPolicy/DefaultAuthorizationHandlerTests.cs b/tests/Jellyfin.Api.Tests/Auth/DefaultAuthorizationPolicy/DefaultAuthorizationHandlerTests.cs
index a62fd8d5a..23c51999f 100644
--- a/tests/Jellyfin.Api.Tests/Auth/DefaultAuthorizationPolicy/DefaultAuthorizationHandlerTests.cs
+++ b/tests/Jellyfin.Api.Tests/Auth/DefaultAuthorizationPolicy/DefaultAuthorizationHandlerTests.cs
@@ -4,6 +4,7 @@ using AutoFixture;
 using AutoFixture.AutoMoq;
 using Jellyfin.Api.Auth.DefaultAuthorizationPolicy;
 using Jellyfin.Api.Constants;
+using Jellyfin.Server.Implementations.Security;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Library;
 using Microsoft.AspNetCore.Authorization;
@@ -49,5 +50,61 @@ namespace Jellyfin.Api.Tests.Auth.DefaultAuthorizationPolicy
             await _sut.HandleAsync(context);
             Assert.True(context.HasSucceeded);
         }
+
+        [Theory]
+        [MemberData(nameof(GetParts_ValidAuthHeader_Success_Data))]
+        public void GetParts_ValidAuthHeader_Success(string input, Dictionary<string, string> parts)
+        {
+            var dict = AuthorizationContext.GetParts(input);
+            foreach (var (key, value) in parts)
+            {
+                Assert.Equal(dict[key], value);
+            }
+        }
+
+        private static TheoryData<string, Dictionary<string, string>> GetParts_ValidAuthHeader_Success_Data()
+        {
+            var data = new TheoryData<string, Dictionary<string, string>>();
+
+            data.Add(
+                "x=\"123,123\",y=\"123\"",
+                new Dictionary<string, string>
+                {
+                    { "x", "123,123" },
+                    { "y", "123" }
+                });
+
+            data.Add(
+                "x=\"123,123\",         y=\"123\",z=\"'hi'\"",
+                new Dictionary<string, string>
+                {
+                    { "x", "123,123" },
+                    { "y", "123" },
+                    { "z", "'hi'" }
+                });
+
+            data.Add(
+                "x=\"ab\"",
+                new Dictionary<string, string>
+                {
+                    { "x", "ab" }
+                });
+
+            data.Add(
+                "param=Hörbücher",
+                new Dictionary<string, string>
+                {
+                    { "param", "Hörbücher" }
+                });
+
+            data.Add(
+                "param=%22%Hörbücher",
+                new Dictionary<string, string>
+                {
+                    { "param", "\"%Hörbücher" }
+                });
+
+            return data;
+        }
     }
 }
diff --git a/tests/Jellyfin.Api.Tests/Auth/LocalAccessPolicy/LocalAccessHandlerTests.cs b/tests/Jellyfin.Api.Tests/Auth/LocalAccessPolicy/LocalAccessHandlerTests.cs
index 09ffa8468..5b3d784ff 100644
--- a/tests/Jellyfin.Api.Tests/Auth/LocalAccessPolicy/LocalAccessHandlerTests.cs
+++ b/tests/Jellyfin.Api.Tests/Auth/LocalAccessPolicy/LocalAccessHandlerTests.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Net;
 using System.Threading.Tasks;
 using AutoFixture;
 using AutoFixture.AutoMoq;
@@ -41,7 +42,7 @@ namespace Jellyfin.Api.Tests.Auth.LocalAccessPolicy
         public async Task LocalAccessOnly(bool isInLocalNetwork, bool shouldSucceed)
         {
             _networkManagerMock
-                .Setup(n => n.IsInLocalNetwork(It.IsAny<string>()))
+                .Setup(n => n.IsInLocalNetwork(It.IsAny<IPAddress>()))
                 .Returns(isInLocalNetwork);
 
             TestHelpers.SetupConfigurationManager(_configurationManagerMock, true);
diff --git a/tests/Jellyfin.Api.Tests/Controllers/DynamicHlsControllerTests.cs b/tests/Jellyfin.Api.Tests/Controllers/DynamicHlsControllerTests.cs
new file mode 100644
index 000000000..117083815
--- /dev/null
+++ b/tests/Jellyfin.Api.Tests/Controllers/DynamicHlsControllerTests.cs
@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using AutoFixture;
+using AutoFixture.AutoMoq;
+using Jellyfin.Api.Controllers;
+using Jellyfin.Api.Helpers;
+using Jellyfin.Api.Models.StreamingDtos;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.MediaEncoding;
+using Moq;
+using Xunit;
+
+namespace Jellyfin.Api.Tests.Controllers
+{
+    public class DynamicHlsControllerTests
+    {
+        [Theory]
+        [MemberData(nameof(GetSegmentLengths_Success_TestData))]
+        public void GetSegmentLengths_Success(long runtimeTicks, int segmentlength, double[] expected)
+        {
+            var res = DynamicHlsController.GetSegmentLengthsInternal(runtimeTicks, segmentlength);
+            Assert.Equal(expected.Length, res.Length);
+            for (int i = 0; i < expected.Length; i++)
+            {
+                Assert.Equal(expected[i], res[i]);
+            }
+        }
+
+        public static IEnumerable<object[]> GetSegmentLengths_Success_TestData()
+        {
+            yield return new object[] { 0, 6, Array.Empty<double>() };
+            yield return new object[]
+            {
+                TimeSpan.FromSeconds(3).Ticks,
+                6,
+                new double[] { 3 }
+            };
+            yield return new object[]
+            {
+                TimeSpan.FromSeconds(6).Ticks,
+                6,
+                new double[] { 6 }
+            };
+            yield return new object[]
+            {
+                TimeSpan.FromSeconds(3.3333333).Ticks,
+                6,
+                new double[] { 3.3333333 }
+            };
+            yield return new object[]
+            {
+                TimeSpan.FromSeconds(9.3333333).Ticks,
+                6,
+                new double[] { 6, 3.3333333 }
+            };
+        }
+    }
+}
diff --git a/tests/Jellyfin.Api.Tests/Jellyfin.Api.Tests.csproj b/tests/Jellyfin.Api.Tests/Jellyfin.Api.Tests.csproj
index 577b61d02..0c36e81cc 100644
--- a/tests/Jellyfin.Api.Tests/Jellyfin.Api.Tests.csproj
+++ b/tests/Jellyfin.Api.Tests/Jellyfin.Api.Tests.csproj
@@ -8,22 +8,19 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoFixture" Version="4.15.0" />
-    <PackageReference Include="AutoFixture.AutoMoq" Version="4.15.0" />
-    <PackageReference Include="AutoFixture.Xunit2" Version="4.15.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="5.0.3" />
+    <PackageReference Include="AutoFixture" Version="4.17.0" />
+    <PackageReference Include="AutoFixture.AutoMoq" Version="4.17.0" />
+    <PackageReference Include="AutoFixture.Xunit2" Version="4.17.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="5.0.9" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="5.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
     <PackageReference Include="Moq" Version="4.16.1" />
   </ItemGroup>
 
diff --git a/tests/Jellyfin.Common.Tests/Cryptography/PasswordHashTests.cs b/tests/Jellyfin.Common.Tests/Cryptography/PasswordHashTests.cs
new file mode 100644
index 000000000..18d3f9763
--- /dev/null
+++ b/tests/Jellyfin.Common.Tests/Cryptography/PasswordHashTests.cs
@@ -0,0 +1,185 @@
+using System;
+using System.Collections.Generic;
+using MediaBrowser.Common.Cryptography;
+using Xunit;
+
+namespace Jellyfin.Common.Tests.Cryptography
+{
+    public static class PasswordHashTests
+    {
+        [Fact]
+        public static void Ctor_Null_ThrowsArgumentNullException()
+        {
+            Assert.Throws<ArgumentNullException>(() => new PasswordHash(null!, Array.Empty<byte>()));
+        }
+
+        [Fact]
+        public static void Ctor_Empty_ThrowsArgumentException()
+        {
+            Assert.Throws<ArgumentException>(() => new PasswordHash(string.Empty, Array.Empty<byte>()));
+        }
+
+        public static IEnumerable<object[]> Parse_Valid_TestData()
+        {
+            // Id
+            yield return new object[]
+            {
+                "$PBKDF2",
+                new PasswordHash("PBKDF2", Array.Empty<byte>())
+            };
+
+            // Id + parameter
+            yield return new object[]
+            {
+                "$PBKDF2$iterations=1000",
+                new PasswordHash(
+                    "PBKDF2",
+                    Array.Empty<byte>(),
+                    Array.Empty<byte>(),
+                    new Dictionary<string, string>()
+                    {
+                        { "iterations", "1000" },
+                    })
+            };
+
+            // Id + parameters
+            yield return new object[]
+            {
+                "$PBKDF2$iterations=1000,m=120",
+                new PasswordHash(
+                    "PBKDF2",
+                    Array.Empty<byte>(),
+                    Array.Empty<byte>(),
+                    new Dictionary<string, string>()
+                    {
+                        { "iterations", "1000" },
+                        { "m", "120" }
+                    })
+            };
+
+            // Id + hash
+            yield return new object[]
+            {
+                "$PBKDF2$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D",
+                new PasswordHash(
+                    "PBKDF2",
+                    Convert.FromHexString("62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D"),
+                    Array.Empty<byte>(),
+                    new Dictionary<string, string>())
+            };
+
+            // Id + salt + hash
+            yield return new object[]
+            {
+                "$PBKDF2$69F420$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D",
+                new PasswordHash(
+                    "PBKDF2",
+                    Convert.FromHexString("62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D"),
+                    Convert.FromHexString("69F420"),
+                    new Dictionary<string, string>())
+            };
+
+            // Id + parameter + hash
+            yield return new object[]
+            {
+                "$PBKDF2$iterations=1000$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D",
+                new PasswordHash(
+                    "PBKDF2",
+                    Convert.FromHexString("62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D"),
+                    Array.Empty<byte>(),
+                    new Dictionary<string, string>()
+                    {
+                        { "iterations", "1000" }
+                    })
+            };
+
+            // Id + parameters + hash
+            yield return new object[]
+            {
+                "$PBKDF2$iterations=1000,m=120$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D",
+                new PasswordHash(
+                    "PBKDF2",
+                    Convert.FromHexString("62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D"),
+                    Array.Empty<byte>(),
+                    new Dictionary<string, string>()
+                    {
+                        { "iterations", "1000" },
+                        { "m", "120" }
+                    })
+            };
+
+            // Id + parameters + salt + hash
+            yield return new object[]
+            {
+                "$PBKDF2$iterations=1000,m=120$69F420$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D",
+                new PasswordHash(
+                    "PBKDF2",
+                    Convert.FromHexString("62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D"),
+                    Convert.FromHexString("69F420"),
+                    new Dictionary<string, string>()
+                    {
+                        { "iterations", "1000" },
+                        { "m", "120" }
+                    })
+            };
+        }
+
+        [Theory]
+        [MemberData(nameof(Parse_Valid_TestData))]
+        public static void Parse_Valid_Success(string passwordHashString, PasswordHash expected)
+        {
+            var passwordHash = PasswordHash.Parse(passwordHashString);
+            Assert.Equal(expected.Id, passwordHash.Id);
+            Assert.Equal(expected.Parameters, passwordHash.Parameters);
+            Assert.Equal(expected.Salt.ToArray(), passwordHash.Salt.ToArray());
+            Assert.Equal(expected.Hash.ToArray(), passwordHash.Hash.ToArray());
+            Assert.Equal(expected.ToString(), passwordHash.ToString());
+        }
+
+        [Theory]
+        [InlineData("$PBKDF2")]
+        [InlineData("$PBKDF2$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")]
+        [InlineData("$PBKDF2$69F420$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")]
+        [InlineData("$PBKDF2$iterations=1000$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")]
+        [InlineData("$PBKDF2$iterations=1000,m=120$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")]
+        [InlineData("$PBKDF2$iterations=1000,m=120$69F420$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")]
+        [InlineData("$PBKDF2$iterations=1000,m=120")]
+        public static void ToString_Roundtrip_Success(string passwordHash)
+        {
+            Assert.Equal(passwordHash, PasswordHash.Parse(passwordHash).ToString());
+        }
+
+        [Fact]
+        public static void Parse_Null_ThrowsArgumentException()
+        {
+            Assert.Throws<ArgumentException>(() => PasswordHash.Parse(null));
+        }
+
+        [Fact]
+        public static void Parse_Empty_ThrowsArgumentException()
+        {
+            Assert.Throws<ArgumentException>(() => PasswordHash.Parse(string.Empty));
+        }
+
+        [Theory]
+        [InlineData("$")] // No id
+        [InlineData("$$")] // Empty segments
+        [InlineData("PBKDF2$")] // Doesn't start with $
+        [InlineData("$PBKDF2$$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")] // Empty segment
+        [InlineData("$PBKDF2$iterations=1000$$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")] // Empty salt segment
+        [InlineData("$PBKDF2$iterations=1000$69F420$")] // Empty hash segment
+        [InlineData("$PBKDF2$=$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")] // Invalid parmeter
+        [InlineData("$PBKDF2$=1000$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")] // Invalid parmeter
+        [InlineData("$PBKDF2$iterations=$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")] // Invalid parmeter
+        [InlineData("$PBKDF2$iterations=1000$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D$")] // Ends on $
+        [InlineData("$PBKDF2$iterations=1000$69F420$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D$")] // Extra segment
+        [InlineData("$PBKDF2$iterations=1000$69F420$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D$anotherone")] // Extra segment
+        [InlineData("$PBKDF2$iterations=1000$invalidstalt$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")] // Invalid salt
+        [InlineData("$PBKDF2$iterations=1000$69F420$invalid hash")] // Invalid hash
+        [InlineData("$PBKDF2$69F420$")] // Empty hash
+        public static void Parse_InvalidFormat_ThrowsFormatException(string passwordHash)
+        {
+            Assert.Throws<FormatException>(() => PasswordHash.Parse(passwordHash));
+        }
+    }
+}
diff --git a/tests/Jellyfin.Common.Tests/Jellyfin.Common.Tests.csproj b/tests/Jellyfin.Common.Tests/Jellyfin.Common.Tests.csproj
index 017a67e9f..8e6b07716 100644
--- a/tests/Jellyfin.Common.Tests/Jellyfin.Common.Tests.csproj
+++ b/tests/Jellyfin.Common.Tests/Jellyfin.Common.Tests.csproj
@@ -8,17 +8,15 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
+    <PackageReference Include="FsCheck.Xunit" Version="2.16.1" />
   </ItemGroup>
 
   <!-- Code Analyzers -->
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonBoolNumberTests.cs b/tests/Jellyfin.Common.Tests/Json/JsonBoolNumberTests.cs
deleted file mode 100644
index 9ded01f2b..000000000
--- a/tests/Jellyfin.Common.Tests/Json/JsonBoolNumberTests.cs
+++ /dev/null
@@ -1,34 +0,0 @@
-using System.Text.Json;
-using MediaBrowser.Common.Json.Converters;
-using Xunit;
-
-namespace Jellyfin.Common.Tests.Json
-{
-    public static class JsonBoolNumberTests
-    {
-        [Theory]
-        [InlineData("1", true)]
-        [InlineData("0", false)]
-        [InlineData("2", true)]
-        [InlineData("true", true)]
-        [InlineData("false", false)]
-        public static void Deserialize_Number_Valid_Success(string input, bool? output)
-        {
-            var options = new JsonSerializerOptions();
-            options.Converters.Add(new JsonBoolNumberConverter());
-            var value = JsonSerializer.Deserialize<bool>(input, options);
-            Assert.Equal(value, output);
-        }
-
-        [Theory]
-        [InlineData(true, "true")]
-        [InlineData(false, "false")]
-        public static void Serialize_Bool_Success(bool input, string output)
-        {
-            var options = new JsonSerializerOptions();
-            options.Converters.Add(new JsonBoolNumberConverter());
-            var value = JsonSerializer.Serialize(input, options);
-            Assert.Equal(value, output);
-        }
-    }
-}
\ No newline at end of file
diff --git a/tests/Jellyfin.Common.Tests/PasswordHashTests.cs b/tests/Jellyfin.Common.Tests/PasswordHashTests.cs
deleted file mode 100644
index c4422bd10..000000000
--- a/tests/Jellyfin.Common.Tests/PasswordHashTests.cs
+++ /dev/null
@@ -1,31 +0,0 @@
-using System;
-using MediaBrowser.Common;
-using MediaBrowser.Common.Cryptography;
-using Xunit;
-
-namespace Jellyfin.Common.Tests
-{
-    public class PasswordHashTests
-    {
-        [Theory]
-        [InlineData(
-            "$PBKDF2$iterations=1000$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D",
-            "PBKDF2",
-            "",
-            "62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")]
-        public void ParseTest(string passwordHash, string id, string salt, string hash)
-        {
-            var pass = PasswordHash.Parse(passwordHash);
-            Assert.Equal(id, pass.Id);
-            Assert.Equal(salt, Convert.ToHexString(pass.Salt));
-            Assert.Equal(hash, Convert.ToHexString(pass.Hash));
-        }
-
-        [Theory]
-        [InlineData("$PBKDF2$iterations=1000$62FBA410AFCA5B4475F35137AB2E8596B127E4D927BA23F6CC05C067E897042D")]
-        public void ToStringTest(string passwordHash)
-        {
-            Assert.Equal(passwordHash, PasswordHash.Parse(passwordHash).ToString());
-        }
-    }
-}
diff --git a/tests/Jellyfin.Common.Tests/Providers/ProviderIdParserTests.cs b/tests/Jellyfin.Common.Tests/Providers/ProviderIdParserTests.cs
new file mode 100644
index 000000000..ef9d31cc1
--- /dev/null
+++ b/tests/Jellyfin.Common.Tests/Providers/ProviderIdParserTests.cs
@@ -0,0 +1,85 @@
+using System;
+using MediaBrowser.Common.Providers;
+using Xunit;
+
+namespace Jellyfin.Common.Tests.Providers
+{
+    public class ProviderIdParserTests
+    {
+        [Theory]
+        [InlineData("tt1234567", "tt1234567")]
+        [InlineData("tt12345678", "tt12345678")]
+        [InlineData("https://www.imdb.com/title/tt1234567", "tt1234567")]
+        [InlineData("https://www.imdb.com/title/tt12345678", "tt12345678")]
+        [InlineData(@"multiline\nhttps://www.imdb.com/title/tt1234567", "tt1234567")]
+        [InlineData(@"multiline\nhttps://www.imdb.com/title/tt12345678", "tt12345678")]
+        [InlineData("tt1234567tt7654321", "tt1234567")]
+        [InlineData("tt12345678tt7654321", "tt12345678")]
+        [InlineData("tt123456789", "tt12345678")]
+        public void FindImdbId_Valid_Success(string text, string expected)
+        {
+            Assert.True(ProviderIdParsers.TryFindImdbId(text, out ReadOnlySpan<char> parsedId));
+            Assert.Equal(expected, parsedId.ToString());
+        }
+
+        [Theory]
+        [InlineData("tt123456")]
+        [InlineData("https://www.imdb.com/title/tt123456")]
+        [InlineData("Jellyfin")]
+        public void FindImdbId_Invalid_Success(string text)
+        {
+            Assert.False(ProviderIdParsers.TryFindImdbId(text, out _));
+        }
+
+        [Theory]
+        [InlineData("https://www.themoviedb.org/movie/30287-fallo", "30287")]
+        [InlineData("themoviedb.org/movie/30287", "30287")]
+        public void FindTmdbMovieId_Valid_Success(string text, string expected)
+        {
+            Assert.True(ProviderIdParsers.TryFindTmdbMovieId(text, out ReadOnlySpan<char> parsedId));
+            Assert.Equal(expected, parsedId.ToString());
+        }
+
+        [Theory]
+        [InlineData("https://www.themoviedb.org/movie/fallo-30287")]
+        [InlineData("https://www.themoviedb.org/tv/1668-friends")]
+        public void FindTmdbMovieId_Invalid_Success(string text)
+        {
+            Assert.False(ProviderIdParsers.TryFindTmdbMovieId(text, out _));
+        }
+
+        [Theory]
+        [InlineData("https://www.themoviedb.org/tv/1668-friends", "1668")]
+        [InlineData("themoviedb.org/tv/1668", "1668")]
+        public void FindTmdbSeriesId_Valid_Success(string text, string expected)
+        {
+            Assert.True(ProviderIdParsers.TryFindTmdbSeriesId(text, out ReadOnlySpan<char> parsedId));
+            Assert.Equal(expected, parsedId.ToString());
+        }
+
+        [Theory]
+        [InlineData("https://www.themoviedb.org/tv/friends-1668")]
+        [InlineData("https://www.themoviedb.org/movie/30287-fallo")]
+        public void FindTmdbSeriesId_Invalid_Success(string text)
+        {
+            Assert.False(ProviderIdParsers.TryFindTmdbSeriesId(text, out _));
+        }
+
+        [Theory]
+        [InlineData("https://www.thetvdb.com/?tab=series&id=121361", "121361")]
+        [InlineData("thetvdb.com/?tab=series&id=121361", "121361")]
+        public void FindTvdbId_Valid_Success(string text, string expected)
+        {
+            Assert.True(ProviderIdParsers.TryFindTvdbId(text, out ReadOnlySpan<char> parsedId));
+            Assert.Equal(expected, parsedId.ToString());
+        }
+
+        [Theory]
+        [InlineData("thetvdb.com/?tab=series&id=Jellyfin121361")]
+        [InlineData("https://www.themoviedb.org/tv/1668-friends")]
+        public void FindTvdbId_Invalid_Success(string text)
+        {
+            Assert.False(ProviderIdParsers.TryFindTvdbId(text, out _));
+        }
+    }
+}
diff --git a/tests/Jellyfin.Controller.Tests/DirectoryServiceTests.cs b/tests/Jellyfin.Controller.Tests/DirectoryServiceTests.cs
new file mode 100644
index 000000000..feffb50e8
--- /dev/null
+++ b/tests/Jellyfin.Controller.Tests/DirectoryServiceTests.cs
@@ -0,0 +1,200 @@
+using System.Linq;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.IO;
+using Moq;
+using Xunit;
+
+namespace Jellyfin.Controller.Tests
+{
+    public class DirectoryServiceTests
+    {
+        private const string LowerCasePath = "/music/someartist";
+        private const string UpperCasePath = "/music/SOMEARTIST";
+
+        private static readonly FileSystemMetadata[] _lowerCaseFileSystemMetadata =
+        {
+            new ()
+            {
+                FullName = LowerCasePath + "/Artwork",
+                IsDirectory = true
+            },
+            new ()
+            {
+                FullName = LowerCasePath + "/Some Other Folder",
+                IsDirectory = true
+            },
+            new ()
+            {
+                FullName = LowerCasePath + "/Song 2.mp3",
+                IsDirectory = false
+            },
+            new ()
+            {
+                FullName = LowerCasePath + "/Song 3.mp3",
+                IsDirectory = false
+            }
+        };
+
+        private static readonly FileSystemMetadata[] _upperCaseFileSystemMetadata =
+        {
+            new ()
+            {
+                FullName = UpperCasePath + "/Lyrics",
+                IsDirectory = true
+            },
+            new ()
+            {
+                FullName = UpperCasePath + "/Song 1.mp3",
+                IsDirectory = false
+            }
+        };
+
+        [Fact]
+        public void GetFileSystemEntries_GivenPathsWithDifferentCasing_CachesAll()
+        {
+            var fileSystemMock = new Mock<IFileSystem>();
+            fileSystemMock.Setup(f => f.GetFileSystemEntries(It.Is<string>(x => x == UpperCasePath), false)).Returns(_upperCaseFileSystemMetadata);
+            fileSystemMock.Setup(f => f.GetFileSystemEntries(It.Is<string>(x => x == LowerCasePath), false)).Returns(_lowerCaseFileSystemMetadata);
+            var directoryService = new DirectoryService(fileSystemMock.Object);
+
+            var upperCaseResult = directoryService.GetFileSystemEntries(UpperCasePath);
+            var lowerCaseResult = directoryService.GetFileSystemEntries(LowerCasePath);
+
+            Assert.Equal(_upperCaseFileSystemMetadata, upperCaseResult);
+            Assert.Equal(_lowerCaseFileSystemMetadata, lowerCaseResult);
+        }
+
+        [Fact]
+        public void GetFiles_GivenPathsWithDifferentCasing_ReturnsCorrectFiles()
+        {
+            var fileSystemMock = new Mock<IFileSystem>();
+            fileSystemMock.Setup(f => f.GetFileSystemEntries(It.Is<string>(x => x == UpperCasePath), false)).Returns(_upperCaseFileSystemMetadata);
+            fileSystemMock.Setup(f => f.GetFileSystemEntries(It.Is<string>(x => x == LowerCasePath), false)).Returns(_lowerCaseFileSystemMetadata);
+            var directoryService = new DirectoryService(fileSystemMock.Object);
+
+            var upperCaseResult = directoryService.GetFiles(UpperCasePath);
+            var lowerCaseResult = directoryService.GetFiles(LowerCasePath);
+
+            Assert.Equal(_upperCaseFileSystemMetadata.Where(f => !f.IsDirectory), upperCaseResult);
+            Assert.Equal(_lowerCaseFileSystemMetadata.Where(f => !f.IsDirectory), lowerCaseResult);
+        }
+
+        [Fact]
+        public void GetFile_GivenFilePathsWithDifferentCasing_ReturnsCorrectFile()
+        {
+            const string lowerCasePath = "/music/someartist/song 1.mp3";
+            var lowerCaseFileSystemMetadata = new FileSystemMetadata
+            {
+                FullName = lowerCasePath,
+                Exists = true
+            };
+            const string upperCasePath = "/music/SOMEARTIST/SONG 1.mp3";
+            var upperCaseFileSystemMetadata = new FileSystemMetadata
+            {
+                FullName = upperCasePath,
+                Exists = false
+            };
+            var fileSystemMock = new Mock<IFileSystem>();
+            fileSystemMock.Setup(f => f.GetFileInfo(It.Is<string>(x => x == upperCasePath))).Returns(upperCaseFileSystemMetadata);
+            fileSystemMock.Setup(f => f.GetFileInfo(It.Is<string>(x => x == lowerCasePath))).Returns(lowerCaseFileSystemMetadata);
+            var directoryService = new DirectoryService(fileSystemMock.Object);
+
+            var lowerCaseResult = directoryService.GetFile(lowerCasePath);
+            var upperCaseResult = directoryService.GetFile(upperCasePath);
+
+            Assert.Equal(lowerCaseFileSystemMetadata, lowerCaseResult);
+            Assert.Null(upperCaseResult);
+        }
+
+        [Fact]
+        public void GetFile_GivenCachedPath_ReturnsCachedFile()
+        {
+            const string path = "/music/someartist/song 1.mp3";
+            var cachedFileSystemMetadata = new FileSystemMetadata
+            {
+                FullName = path,
+                Exists = true
+            };
+            var newFileSystemMetadata = new FileSystemMetadata
+            {
+                FullName = "/music/SOMEARTIST/song 1.mp3",
+                Exists = true
+            };
+
+            var fileSystemMock = new Mock<IFileSystem>();
+            fileSystemMock.Setup(f => f.GetFileInfo(It.Is<string>(x => x == path))).Returns(cachedFileSystemMetadata);
+            var directoryService = new DirectoryService(fileSystemMock.Object);
+
+            var result = directoryService.GetFile(path);
+            fileSystemMock.Setup(f => f.GetFileInfo(It.Is<string>(x => x == path))).Returns(newFileSystemMetadata);
+            var secondResult = directoryService.GetFile(path);
+
+            Assert.Equal(cachedFileSystemMetadata, result);
+            Assert.Equal(cachedFileSystemMetadata, secondResult);
+        }
+
+        [Fact]
+        public void GetFilePaths_GivenCachedFilePathWithoutClear_ReturnsOnlyCachedPaths()
+        {
+            const string path = "/music/someartist";
+
+            var cachedPaths = new[]
+            {
+                "/music/someartist/song 1.mp3",
+                "/music/someartist/song 2.mp3",
+                "/music/someartist/song 3.mp3",
+                "/music/someartist/song 4.mp3",
+            };
+            var newPaths = new[]
+            {
+                "/music/someartist/song 5.mp3",
+                "/music/someartist/song 6.mp3",
+                "/music/someartist/song 7.mp3",
+                "/music/someartist/song 8.mp3",
+            };
+
+            var fileSystemMock = new Mock<IFileSystem>();
+            fileSystemMock.Setup(f => f.GetFilePaths(It.Is<string>(x => x == path), false)).Returns(cachedPaths);
+            var directoryService = new DirectoryService(fileSystemMock.Object);
+
+            var result = directoryService.GetFilePaths(path);
+            fileSystemMock.Setup(f => f.GetFilePaths(It.Is<string>(x => x == path), false)).Returns(newPaths);
+            var secondResult = directoryService.GetFilePaths(path);
+
+            Assert.Equal(cachedPaths, result);
+            Assert.Equal(cachedPaths, secondResult);
+        }
+
+        [Fact]
+        public void GetFilePaths_GivenCachedFilePathWithClear_ReturnsNewPaths()
+        {
+            const string path = "/music/someartist";
+
+            var cachedPaths = new[]
+            {
+                "/music/someartist/song 1.mp3",
+                "/music/someartist/song 2.mp3",
+                "/music/someartist/song 3.mp3",
+                "/music/someartist/song 4.mp3",
+            };
+            var newPaths = new[]
+            {
+                "/music/someartist/song 5.mp3",
+                "/music/someartist/song 6.mp3",
+                "/music/someartist/song 7.mp3",
+                "/music/someartist/song 8.mp3",
+            };
+
+            var fileSystemMock = new Mock<IFileSystem>();
+            fileSystemMock.Setup(f => f.GetFilePaths(It.Is<string>(x => x == path), false)).Returns(cachedPaths);
+            var directoryService = new DirectoryService(fileSystemMock.Object);
+
+            var result = directoryService.GetFilePaths(path);
+            fileSystemMock.Setup(f => f.GetFilePaths(It.Is<string>(x => x == path), false)).Returns(newPaths);
+            var secondResult = directoryService.GetFilePaths(path, true);
+
+            Assert.Equal(cachedPaths, result);
+            Assert.Equal(newPaths, secondResult);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Controller.Tests/Jellyfin.Controller.Tests.csproj b/tests/Jellyfin.Controller.Tests/Jellyfin.Controller.Tests.csproj
index 6dec25aa4..a5778b59c 100644
--- a/tests/Jellyfin.Controller.Tests/Jellyfin.Controller.Tests.csproj
+++ b/tests/Jellyfin.Controller.Tests/Jellyfin.Controller.Tests.csproj
@@ -8,17 +8,15 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
+    <PackageReference Include="Moq" Version="4.16.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
   </ItemGroup>
 
   <!-- Code Analyzers -->
diff --git a/tests/Jellyfin.Dlna.Tests/DlnaManagerTests.cs b/tests/Jellyfin.Dlna.Tests/DlnaManagerTests.cs
new file mode 100644
index 000000000..668bd8f87
--- /dev/null
+++ b/tests/Jellyfin.Dlna.Tests/DlnaManagerTests.cs
@@ -0,0 +1,131 @@
+using Emby.Dlna;
+using Emby.Dlna.PlayTo;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Controller;
+using MediaBrowser.Model.Dlna;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Serialization;
+using Microsoft.Extensions.Logging;
+using Moq;
+using Xunit;
+
+namespace Jellyfin.Dlna.Tests
+{
+    public class DlnaManagerTests
+    {
+        private DlnaManager GetManager()
+        {
+            var xmlSerializer = new Mock<IXmlSerializer>();
+            var fileSystem = new Mock<IFileSystem>();
+            var appPaths = new Mock<IApplicationPaths>();
+            var loggerFactory = new Mock<ILoggerFactory>();
+            var appHost = new Mock<IServerApplicationHost>();
+
+            return new DlnaManager(xmlSerializer.Object, fileSystem.Object, appPaths.Object, loggerFactory.Object, appHost.Object);
+        }
+
+        [Fact]
+        public void IsMatch_GivenMatchingName_ReturnsTrue()
+        {
+            var device = new DeviceInfo()
+            {
+                Name = "My Device",
+                Manufacturer = "LG Electronics",
+                ManufacturerUrl = "http://www.lge.com",
+                ModelDescription = "LG WebOSTV DMRplus",
+                ModelName = "LG TV",
+                ModelNumber = "1.0",
+            };
+
+            var profile = new DeviceProfile()
+            {
+                Name = "Test Profile",
+                FriendlyName = "My Device",
+                Manufacturer = "LG Electronics",
+                ManufacturerUrl = "http://www.lge.com",
+                ModelDescription = "LG WebOSTV DMRplus",
+                ModelName = "LG TV",
+                ModelNumber = "1.0",
+                Identification = new ()
+                {
+                    FriendlyName = "My Device",
+                    Manufacturer = "LG Electronics",
+                    ManufacturerUrl = "http://www.lge.com",
+                    ModelDescription = "LG WebOSTV DMRplus",
+                    ModelName = "LG TV",
+                    ModelNumber = "1.0",
+                }
+            };
+
+            var profile2 = new DeviceProfile()
+            {
+                Name = "Test Profile",
+                FriendlyName = "My Device",
+                Identification = new DeviceIdentification()
+                {
+                    FriendlyName = "My Device",
+                }
+            };
+
+            var deviceMatch = GetManager().IsMatch(device.ToDeviceIdentification(), profile2.Identification);
+            var deviceMatch2 = GetManager().IsMatch(device.ToDeviceIdentification(), profile.Identification);
+
+            Assert.True(deviceMatch);
+            Assert.True(deviceMatch2);
+        }
+
+        [Fact]
+        public void IsMatch_GivenNamesAndManufacturersDoNotMatch_ReturnsFalse()
+        {
+            var device = new DeviceInfo()
+            {
+                Name = "My Device",
+                Manufacturer = "JVC"
+            };
+
+            var profile = new DeviceProfile()
+            {
+                Name = "Test Profile",
+                FriendlyName = "My Device",
+                Manufacturer = "LG Electronics",
+                ManufacturerUrl = "http://www.lge.com",
+                ModelDescription = "LG WebOSTV DMRplus",
+                ModelName = "LG TV",
+                ModelNumber = "1.0",
+                Identification = new ()
+                {
+                    FriendlyName = "My Device",
+                    Manufacturer = "LG Electronics",
+                    ManufacturerUrl = "http://www.lge.com",
+                    ModelDescription = "LG WebOSTV DMRplus",
+                    ModelName = "LG TV",
+                    ModelNumber = "1.0",
+                }
+            };
+
+            var deviceMatch = GetManager().IsMatch(device.ToDeviceIdentification(), profile.Identification);
+
+            Assert.False(deviceMatch);
+        }
+
+        [Fact]
+        public void IsMatch_GivenNamesAndRegExMatch_ReturnsTrue()
+        {
+            var device = new DeviceInfo()
+            {
+                Name = "My Device"
+            };
+
+            var profile = new DeviceProfile()
+            {
+                Name = "Test Profile",
+                FriendlyName = "My .*",
+                Identification = new ()
+            };
+
+            var deviceMatch = GetManager().IsMatch(device.ToDeviceIdentification(), profile.Identification);
+
+            Assert.True(deviceMatch);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Dlna.Tests/Jellyfin.Dlna.Tests.csproj b/tests/Jellyfin.Dlna.Tests/Jellyfin.Dlna.Tests.csproj
index 5d52f94c0..5a48631c2 100644
--- a/tests/Jellyfin.Dlna.Tests/Jellyfin.Dlna.Tests.csproj
+++ b/tests/Jellyfin.Dlna.Tests/Jellyfin.Dlna.Tests.csproj
@@ -3,17 +3,15 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
+    <PackageReference Include="Moq" Version="4.16.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
   </ItemGroup>
 
   <!-- Code Analyzers -->
diff --git a/tests/Jellyfin.Controller.Tests/AlphanumComparatorTests.cs b/tests/Jellyfin.Extensions.Tests/AlphanumericComparatorTests.cs
index 0adf098c3..7730841a1 100644
--- a/tests/Jellyfin.Controller.Tests/AlphanumComparatorTests.cs
+++ b/tests/Jellyfin.Extensions.Tests/AlphanumericComparatorTests.cs
@@ -1,11 +1,10 @@
 using System;
 using System.Linq;
-using MediaBrowser.Controller.Sorting;
 using Xunit;
 
-namespace Jellyfin.Controller.Tests
+namespace Jellyfin.Extensions.Tests
 {
-    public class AlphanumComparatorTests
+    public class AlphanumericComparatorTests
     {
         // InlineData is pre-sorted
         [Theory]
@@ -20,10 +19,10 @@ namespace Jellyfin.Controller.Tests
         [InlineData("12345678912345678912345678913234567891", "12345678912345678912345678913234567892")]
         [InlineData("12345678912345678912345678913234567891a", "12345678912345678912345678913234567891a")]
         [InlineData("12345678912345678912345678913234567891a", "12345678912345678912345678913234567891b")]
-        public void AlphanumComparatorTest(params string?[] strings)
+        public void AlphanumericComparatorTest(params string?[] strings)
         {
             var copy = strings.Reverse().ToArray();
-            Array.Sort(copy, new AlphanumComparator());
+            Array.Sort(copy, new AlphanumericComparator());
             Assert.True(strings.SequenceEqual(copy));
         }
     }
diff --git a/tests/Jellyfin.Extensions.Tests/CopyToExtensionsTests.cs b/tests/Jellyfin.Extensions.Tests/CopyToExtensionsTests.cs
new file mode 100644
index 000000000..6fdca4694
--- /dev/null
+++ b/tests/Jellyfin.Extensions.Tests/CopyToExtensionsTests.cs
@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using Xunit;
+
+namespace Jellyfin.Extensions.Tests
+{
+    public static class CopyToExtensionsTests
+    {
+        public static IEnumerable<object[]> CopyTo_Valid_Correct_TestData()
+        {
+            yield return new object[] { new[] { 0, 1, 2, 3, 4, 5 }, new[] { 0, 0, 0, 0, 0, 0 }, 0, new[] { 0, 1, 2, 3, 4, 5 } };
+            yield return new object[] { new[] { 0, 1, 2 }, new[] { 5, 4, 3, 2, 1, 0 }, 2, new[] { 5, 4, 0, 1, 2, 0 } };
+        }
+
+        [Theory]
+        [MemberData(nameof(CopyTo_Valid_Correct_TestData))]
+        public static void CopyTo_Valid_Correct<T>(IReadOnlyList<T> source, IList<T> destination, int index, IList<T> expected)
+        {
+            source.CopyTo(destination, index);
+            Assert.Equal(expected, destination);
+        }
+
+        public static IEnumerable<object[]> CopyTo_Invalid_ThrowsArgumentOutOfRangeException_TestData()
+        {
+            yield return new object[] { new[] { 0, 1, 2, 3, 4, 5 }, new[] { 0, 0, 0, 0, 0, 0 }, -1 };
+            yield return new object[] { new[] { 0, 1, 2 }, new[] { 5, 4, 3, 2, 1, 0 }, 6 };
+            yield return new object[] { new[] { 0, 1, 2 }, Array.Empty<int>(), 0 };
+            yield return new object[] { new[] { 0, 1, 2, 3, 4, 5 }, new[] { 0 }, 0 };
+            yield return new object[] { new[] { 0, 1, 2, 3, 4, 5 }, new[] { 0, 0, 0, 0, 0, 0 }, 1 };
+        }
+
+        [Theory]
+        [MemberData(nameof(CopyTo_Invalid_ThrowsArgumentOutOfRangeException_TestData))]
+        public static void CopyTo_Invalid_ThrowsArgumentOutOfRangeException<T>(IReadOnlyList<T> source, IList<T> destination, int index)
+        {
+            Assert.Throws<ArgumentOutOfRangeException>(() => source.CopyTo(destination, index));
+        }
+    }
+}
diff --git a/tests/Jellyfin.Extensions.Tests/Jellyfin.Extensions.Tests.csproj b/tests/Jellyfin.Extensions.Tests/Jellyfin.Extensions.Tests.csproj
new file mode 100644
index 000000000..72cd9aa45
--- /dev/null
+++ b/tests/Jellyfin.Extensions.Tests/Jellyfin.Extensions.Tests.csproj
@@ -0,0 +1,35 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+    <IsPackable>false</IsPackable>
+    <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.1.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="FsCheck.Xunit" Version="2.16.1" />
+  </ItemGroup>
+
+  <!-- Code Analyzers -->
+  <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <PackageReference Include="SerilogAnalyzer" Version="0.15.0" PrivateAssets="All" />
+    <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" PrivateAssets="All" />
+    <PackageReference Include="SmartAnalyzers.MultithreadingAnalyzer" Version="1.1.31" PrivateAssets="All" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../../MediaBrowser.Model/MediaBrowser.Model.csproj" />
+    <ProjectReference Include="../../src/Jellyfin.Extensions/Jellyfin.Extensions.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonBoolNumberTests.cs b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonBoolNumberTests.cs
new file mode 100644
index 000000000..d0e3e9456
--- /dev/null
+++ b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonBoolNumberTests.cs
@@ -0,0 +1,45 @@
+using System.Globalization;
+using System.Text.Json;
+using FsCheck;
+using FsCheck.Xunit;
+using Jellyfin.Extensions.Json.Converters;
+using Xunit;
+
+namespace Jellyfin.Extensions.Tests.Json.Converters
+{
+    public class JsonBoolNumberTests
+    {
+        private readonly JsonSerializerOptions _jsonOptions = new JsonSerializerOptions()
+        {
+            Converters =
+            {
+                new JsonBoolNumberConverter()
+            }
+        };
+
+        [Theory]
+        [InlineData("1", true)]
+        [InlineData("0", false)]
+        [InlineData("2", true)]
+        [InlineData("true", true)]
+        [InlineData("false", false)]
+        public void Deserialize_Number_Valid_Success(string input, bool? output)
+        {
+            var value = JsonSerializer.Deserialize<bool>(input, _jsonOptions);
+            Assert.Equal(value, output);
+        }
+
+        [Theory]
+        [InlineData(true, "true")]
+        [InlineData(false, "false")]
+        public void Serialize_Bool_Success(bool input, string output)
+        {
+            var value = JsonSerializer.Serialize(input, _jsonOptions);
+            Assert.Equal(value, output);
+        }
+
+        [Property]
+        public Property Deserialize_NonZeroInt_True(NonZeroInt input)
+            => JsonSerializer.Deserialize<bool>(input.ToString(), _jsonOptions).ToProperty();
+    }
+}
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonCommaDelimitedArrayTests.cs b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonCommaDelimitedArrayTests.cs
index ca300401d..f2ca2ff08 100644
--- a/tests/Jellyfin.Common.Tests/Json/JsonCommaDelimitedArrayTests.cs
+++ b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonCommaDelimitedArrayTests.cs
@@ -1,11 +1,11 @@
-using System;
+using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
-using Jellyfin.Common.Tests.Models;
+using Jellyfin.Extensions.Tests.Json.Models;
 using MediaBrowser.Model.Session;
 using Xunit;
 
-namespace Jellyfin.Common.Tests.Json
+namespace Jellyfin.Extensions.Tests.Json.Converters
 {
     public static class JsonCommaDelimitedArrayTests
     {
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonCommaDelimitedIReadOnlyListTests.cs b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonCommaDelimitedIReadOnlyListTests.cs
index 34ad9bac7..92886dcd2 100644
--- a/tests/Jellyfin.Common.Tests/Json/JsonCommaDelimitedIReadOnlyListTests.cs
+++ b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonCommaDelimitedIReadOnlyListTests.cs
@@ -1,10 +1,10 @@
-using System.Text.Json;
+using System.Text.Json;
 using System.Text.Json.Serialization;
-using Jellyfin.Common.Tests.Models;
+using Jellyfin.Extensions.Tests.Json.Models;
 using MediaBrowser.Model.Session;
 using Xunit;
 
-namespace Jellyfin.Common.Tests.Json
+namespace Jellyfin.Extensions.Tests.Json.Converters
 {
     public static class JsonCommaDelimitedIReadOnlyListTests
     {
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonGuidConverterTests.cs b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonGuidConverterTests.cs
index 1e1cde957..8465d465a 100644
--- a/tests/Jellyfin.Common.Tests/Json/JsonGuidConverterTests.cs
+++ b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonGuidConverterTests.cs
@@ -1,10 +1,9 @@
 using System;
-using System.Globalization;
 using System.Text.Json;
-using MediaBrowser.Common.Json.Converters;
+using Jellyfin.Extensions.Json.Converters;
 using Xunit;
 
-namespace Jellyfin.Common.Tests.Json
+namespace Jellyfin.Extensions.Tests.Json.Converters
 {
     public class JsonGuidConverterTests
     {
diff --git a/tests/Jellyfin.Model.Tests/Entities/JsonLowerCaseConverterTests.cs b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonLowerCaseConverterTests.cs
index 955d296cc..af9227de2 100644
--- a/tests/Jellyfin.Model.Tests/Entities/JsonLowerCaseConverterTests.cs
+++ b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonLowerCaseConverterTests.cs
@@ -1,9 +1,10 @@
 using System.Text.Json;
 using System.Text.Json.Serialization;
+using Jellyfin.Extensions.Json.Converters;
 using MediaBrowser.Model.Entities;
 using Xunit;
 
-namespace Jellyfin.Model.Tests.Entities
+namespace Jellyfin.Extensions.Tests.Json.Converters
 {
     public class JsonLowerCaseConverterTests
     {
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonNullableGuidConverterTests.cs b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonNullableGuidConverterTests.cs
index 22bc7afb9..b0dbc09e4 100644
--- a/tests/Jellyfin.Common.Tests/Json/JsonNullableGuidConverterTests.cs
+++ b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonNullableGuidConverterTests.cs
@@ -1,10 +1,9 @@
 using System;
-using System.Globalization;
 using System.Text.Json;
-using MediaBrowser.Common.Json.Converters;
+using Jellyfin.Extensions.Json.Converters;
 using Xunit;
 
-namespace Jellyfin.Common.Tests.Json
+namespace Jellyfin.Extensions.Tests.Json.Converters
 {
     public class JsonNullableGuidConverterTests
     {
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonStringConverterTests.cs b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonStringConverterTests.cs
index fd77694b3..655e07074 100644
--- a/tests/Jellyfin.Common.Tests/Json/JsonStringConverterTests.cs
+++ b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonStringConverterTests.cs
@@ -1,19 +1,18 @@
-using System.Text.Json;
-using MediaBrowser.Common.Json.Converters;
+using System.Text.Json;
+using Jellyfin.Extensions.Json.Converters;
 using Xunit;
 
-namespace Jellyfin.Common.Tests.Json
+namespace Jellyfin.Extensions.Tests.Json.Converters
 {
     public class JsonStringConverterTests
     {
-        private readonly JsonSerializerOptions _jsonSerializerOptions
-            = new ()
+        private readonly JsonSerializerOptions _jsonSerializerOptions = new ()
+        {
+            Converters =
             {
-                Converters =
-                {
-                    new JsonStringConverter()
-                }
-            };
+                new JsonStringConverter()
+            }
+        };
 
         [Theory]
         [InlineData("\"test\"", "test")]
@@ -36,4 +35,4 @@ namespace Jellyfin.Common.Tests.Json
             Assert.Equal(deserialized, output);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonVersionConverterTests.cs b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonVersionConverterTests.cs
index f2cefdbf8..5fbac7eab 100644
--- a/tests/Jellyfin.Common.Tests/Json/JsonVersionConverterTests.cs
+++ b/tests/Jellyfin.Extensions.Tests/Json/Converters/JsonVersionConverterTests.cs
@@ -1,9 +1,9 @@
-using System;
+using System;
 using System.Text.Json;
-using MediaBrowser.Common.Json.Converters;
+using Jellyfin.Extensions.Json.Converters;
 using Xunit;
 
-namespace Jellyfin.Common.Tests.Json
+namespace Jellyfin.Extensions.Tests.Json.Converters
 {
     public class JsonVersionConverterTests
     {
diff --git a/tests/Jellyfin.Common.Tests/Models/GenericBodyArrayModel.cs b/tests/Jellyfin.Extensions.Tests/Json/Models/GenericBodyArrayModel.cs
index 276e1bfbe..ef135278f 100644
--- a/tests/Jellyfin.Common.Tests/Models/GenericBodyArrayModel.cs
+++ b/tests/Jellyfin.Extensions.Tests/Json/Models/GenericBodyArrayModel.cs
@@ -1,8 +1,8 @@
-using System.Diagnostics.CodeAnalysis;
+using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
-using MediaBrowser.Common.Json.Converters;
+using Jellyfin.Extensions.Json.Converters;
 
-namespace Jellyfin.Common.Tests.Models
+namespace Jellyfin.Extensions.Tests.Json.Models
 {
     /// <summary>
     /// The generic body model.
diff --git a/tests/Jellyfin.Common.Tests/Models/GenericBodyIReadOnlyListModel.cs b/tests/Jellyfin.Extensions.Tests/Json/Models/GenericBodyIReadOnlyListModel.cs
index 627454b25..8e7b5a35b 100644
--- a/tests/Jellyfin.Common.Tests/Models/GenericBodyIReadOnlyListModel.cs
+++ b/tests/Jellyfin.Extensions.Tests/Json/Models/GenericBodyIReadOnlyListModel.cs
@@ -1,8 +1,8 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Text.Json.Serialization;
-using MediaBrowser.Common.Json.Converters;
+using Jellyfin.Extensions.Json.Converters;
 
-namespace Jellyfin.Common.Tests.Models
+namespace Jellyfin.Extensions.Tests.Json.Models
 {
     /// <summary>
     /// The generic body <c>IReadOnlyList</c> model.
diff --git a/tests/Jellyfin.Common.Tests/Extensions/ShuffleExtensionsTests.cs b/tests/Jellyfin.Extensions.Tests/ShuffleExtensionsTests.cs
index cbdbcf112..c72216d94 100644
--- a/tests/Jellyfin.Common.Tests/Extensions/ShuffleExtensionsTests.cs
+++ b/tests/Jellyfin.Extensions.Tests/ShuffleExtensionsTests.cs
@@ -1,8 +1,7 @@
 using System;
-using MediaBrowser.Common.Extensions;
 using Xunit;
 
-namespace Jellyfin.Common.Tests.Extensions
+namespace Jellyfin.Extensions.Tests
 {
     public static class ShuffleExtensionsTests
     {
diff --git a/tests/Jellyfin.Extensions.Tests/StringExtensionsTests.cs b/tests/Jellyfin.Extensions.Tests/StringExtensionsTests.cs
new file mode 100644
index 000000000..d1aa2e476
--- /dev/null
+++ b/tests/Jellyfin.Extensions.Tests/StringExtensionsTests.cs
@@ -0,0 +1,18 @@
+using System;
+using Xunit;
+
+namespace Jellyfin.Extensions.Tests
+{
+    public class StringExtensionsTests
+    {
+        [Theory]
+        [InlineData("", '_', 0)]
+        [InlineData("___", '_', 3)]
+        [InlineData("test\x00", '\x00', 1)]
+        [InlineData("Imdb=tt0119567|Tmdb=330|TmdbCollection=328", '|', 2)]
+        public void ReadOnlySpan_Count_Success(string str, char needle, int count)
+        {
+            Assert.Equal(count, str.AsSpan().Count(needle));
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs
index 39fd8afda..d1854a3c8 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs
@@ -9,15 +9,18 @@ namespace Jellyfin.MediaEncoding.Tests
 {
     public class EncoderValidatorTests
     {
+        private readonly EncoderValidator _encoderValidator = new EncoderValidator(new NullLogger<EncoderValidatorTests>(), "ffmpeg");
+
         [Theory]
         [ClassData(typeof(GetFFmpegVersionTestData))]
         public void GetFFmpegVersionTest(string versionOutput, Version? version)
         {
-            var val = new EncoderValidator(new NullLogger<EncoderValidatorTests>());
-            Assert.Equal(version, val.GetFFmpegVersion(versionOutput));
+            Assert.Equal(version, _encoderValidator.GetFFmpegVersionInternal(versionOutput));
         }
 
         [Theory]
+        [InlineData(EncoderValidatorTestsData.FFmpegV44Output, true)]
+        [InlineData(EncoderValidatorTestsData.FFmpegV432Output, true)]
         [InlineData(EncoderValidatorTestsData.FFmpegV431Output, true)]
         [InlineData(EncoderValidatorTestsData.FFmpegV43Output, true)]
         [InlineData(EncoderValidatorTestsData.FFmpegV421Output, true)]
@@ -28,14 +31,15 @@ namespace Jellyfin.MediaEncoding.Tests
         [InlineData(EncoderValidatorTestsData.FFmpegGitUnknownOutput, false)]
         public void ValidateVersionInternalTest(string versionOutput, bool valid)
         {
-            var val = new EncoderValidator(new NullLogger<EncoderValidatorTests>());
-            Assert.Equal(valid, val.ValidateVersionInternal(versionOutput));
+            Assert.Equal(valid, _encoderValidator.ValidateVersionInternal(versionOutput));
         }
 
         private class GetFFmpegVersionTestData : IEnumerable<object?[]>
         {
             public IEnumerator<object?[]> GetEnumerator()
             {
+                yield return new object?[] { EncoderValidatorTestsData.FFmpegV44Output, new Version(4, 4) };
+                yield return new object?[] { EncoderValidatorTestsData.FFmpegV432Output, new Version(4, 3, 2) };
                 yield return new object?[] { EncoderValidatorTestsData.FFmpegV431Output, new Version(4, 3, 1) };
                 yield return new object?[] { EncoderValidatorTestsData.FFmpegV43Output, new Version(4, 3) };
                 yield return new object?[] { EncoderValidatorTestsData.FFmpegV421Output, new Version(4, 2, 1) };
diff --git a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs
index 9f5bef9a8..02bf046ed 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs
@@ -2,6 +2,30 @@ namespace Jellyfin.MediaEncoding.Tests
 {
     internal static class EncoderValidatorTestsData
     {
+        public const string FFmpegV44Output = @"ffmpeg version 4.4-Jellyfin Copyright (c) 2000-2021 the FFmpeg developers
+built with gcc 10.3.0 (Rev5, Built by MSYS2 project)
+configuration:  --disable-static --enable-shared --extra-version=Jellyfin --disable-ffplay --disable-debug --enable-gpl --enable-version3 --enable-bzlib --enable-iconv --enable-lzma --enable-zlib --enable-sdl2 --enable-fontconfig --enable-gmp --enable-libass --enable-libzimg --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libwebp --enable-libvpx --enable-libx264 --enable-libx265 --enable-libdav1d --enable-opencl --enable-dxva2 --enable-d3d11va --enable-amf --enable-libmfx --enable-cuda --enable-cuda-llvm --enable-cuvid --enable-nvenc --enable-nvdec --enable-ffnvcodec --enable-gnutls
+libavutil      56. 70.100 / 56. 70.100
+libavcodec     58.134.100 / 58.134.100
+libavformat    58. 76.100 / 58. 76.100
+libavdevice    58. 13.100 / 58. 13.100
+libavfilter     7.110.100 /  7.110.100
+libswscale      5.  9.100 /  5.  9.100
+libswresample   3.  9.100 /  3.  9.100
+libpostproc    55.  9.100 / 55.  9.100";
+
+        public const string FFmpegV432Output = @"ffmpeg version n4.3.2-Jellyfin Copyright (c) 2000-2021 the FFmpeg developers
+built with gcc 10.2.0 (Rev9, Built by MSYS2 project)
+configuration:  --disable-static --enable-shared --cc='ccache gcc' --cxx='ccache g++' --extra-version=Jellyfin --disable-ffplay --disable-debug --enable-lto --enable-gpl --enable-version3 --enable-bzlib --enable-iconv --enable-lzma --enable-zlib --enable-sdl2 --enable-fontconfig --enable-gmp --enable-libass --enable-libzimg --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libwebp --enable-libvpx --enable-libx264 --enable-libx265 --enable-libdav1d --enable-opencl --enable-dxva2 --enable-d3d11va --enable-amf --enable-libmfx --enable-cuda --enable-cuda-llvm --enable-cuvid --enable-nvenc --enable-nvdec --enable-ffnvcodec --enable-gnutls
+libavutil      56. 51.100 / 56. 51.100
+libavcodec     58. 91.100 / 58. 91.100
+libavformat    58. 45.100 / 58. 45.100
+libavdevice    58. 10.100 / 58. 10.100
+libavfilter     7. 85.100 /  7. 85.100
+libswscale      5.  7.100 /  5.  7.100
+libswresample   3.  7.100 /  3.  7.100
+libpostproc    55.  7.100 / 55.  7.100";
+
         public const string FFmpegV431Output = @"ffmpeg version n4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 10.1.0 (GCC)
 configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libjack --enable-libmfx --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librav1e --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid --enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable-version3
diff --git a/tests/Jellyfin.MediaEncoding.Tests/FFprobeParserTests.cs b/tests/Jellyfin.MediaEncoding.Tests/FFprobeParserTests.cs
index 415682e85..2955104a2 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/FFprobeParserTests.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/FFprobeParserTests.cs
@@ -1,7 +1,7 @@
 using System.IO;
 using System.Text.Json;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.MediaEncoding.Probing;
 using Xunit;
 
@@ -14,9 +14,10 @@ namespace Jellyfin.MediaEncoding.Tests
         public async Task Test(string fileName)
         {
             var path = Path.Join("Test Data", fileName);
-            using (var stream = File.OpenRead(path))
+            await using (var stream = File.OpenRead(path))
             {
-                await JsonSerializer.DeserializeAsync<InternalMediaInfoResult>(stream, JsonDefaults.Options).ConfigureAwait(false);
+                var res = await JsonSerializer.DeserializeAsync<InternalMediaInfoResult>(stream, JsonDefaults.Options).ConfigureAwait(false);
+                Assert.NotNull(res);
             }
         }
     }
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Jellyfin.MediaEncoding.Tests.csproj b/tests/Jellyfin.MediaEncoding.Tests/Jellyfin.MediaEncoding.Tests.csproj
index 4cc1d37ee..7ea503913 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/Jellyfin.MediaEncoding.Tests.csproj
+++ b/tests/Jellyfin.MediaEncoding.Tests/Jellyfin.MediaEncoding.Tests.csproj
@@ -8,9 +8,6 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
@@ -21,10 +18,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
   </ItemGroup>
 
   <!-- Code Analyzers -->
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs b/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs
new file mode 100644
index 000000000..fcb85a3ac
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs
@@ -0,0 +1,129 @@
+using System;
+using System.Globalization;
+using System.IO;
+using System.Text.Json;
+using Jellyfin.Extensions.Json;
+using MediaBrowser.MediaEncoding.Probing;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.MediaInfo;
+using Microsoft.Extensions.Logging.Abstractions;
+using Xunit;
+
+namespace Jellyfin.MediaEncoding.Tests.Probing
+{
+    public class ProbeResultNormalizerTests
+    {
+        private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options;
+        private readonly ProbeResultNormalizer _probeResultNormalizer = new ProbeResultNormalizer(new NullLogger<EncoderValidatorTests>(), null);
+
+        [Fact]
+        public void GetMediaInfo_MetaData_Success()
+        {
+            var bytes = File.ReadAllBytes("Test Data/Probing/video_metadata.json");
+            var internalMediaInfoResult = JsonSerializer.Deserialize<InternalMediaInfoResult>(bytes, _jsonOptions);
+            MediaInfo res = _probeResultNormalizer.GetMediaInfo(internalMediaInfoResult, VideoType.VideoFile, false, "Test Data/Probing/video_metadata.mkv", MediaProtocol.File);
+
+            Assert.Single(res.MediaStreams);
+
+            Assert.NotNull(res.VideoStream);
+            Assert.Equal("4:3", res.VideoStream.AspectRatio);
+            Assert.Equal(25f, res.VideoStream.AverageFrameRate);
+            Assert.Equal(8, res.VideoStream.BitDepth);
+            Assert.Equal(69432, res.VideoStream.BitRate);
+            Assert.Equal("h264", res.VideoStream.Codec);
+            Assert.Equal("1/50", res.VideoStream.CodecTimeBase);
+            Assert.Equal(240, res.VideoStream.Height);
+            Assert.Equal(320, res.VideoStream.Width);
+            Assert.Equal(0, res.VideoStream.Index);
+            Assert.False(res.VideoStream.IsAnamorphic);
+            Assert.True(res.VideoStream.IsAVC);
+            Assert.True(res.VideoStream.IsDefault);
+            Assert.False(res.VideoStream.IsExternal);
+            Assert.False(res.VideoStream.IsForced);
+            Assert.False(res.VideoStream.IsInterlaced);
+            Assert.False(res.VideoStream.IsTextSubtitleStream);
+            Assert.Equal(13d, res.VideoStream.Level);
+            Assert.Equal("4", res.VideoStream.NalLengthSize);
+            Assert.Equal("yuv444p", res.VideoStream.PixelFormat);
+            Assert.Equal("High 4:4:4 Predictive", res.VideoStream.Profile);
+            Assert.Equal(25f, res.VideoStream.RealFrameRate);
+            Assert.Equal(1, res.VideoStream.RefFrames);
+            Assert.Equal("1/1000", res.VideoStream.TimeBase);
+            Assert.Equal(MediaStreamType.Video, res.VideoStream.Type);
+
+            Assert.Empty(res.Chapters);
+            Assert.Equal("Just color bars", res.Overview);
+        }
+
+        [Fact]
+        public void GetMediaInfo_MusicVideo_Success()
+        {
+            var bytes = File.ReadAllBytes("Test Data/Probing/music_video_metadata.json");
+            var internalMediaInfoResult = JsonSerializer.Deserialize<InternalMediaInfoResult>(bytes, _jsonOptions);
+            MediaInfo res = _probeResultNormalizer.GetMediaInfo(internalMediaInfoResult, VideoType.VideoFile, false, "Test Data/Probing/music_video.mkv", MediaProtocol.File);
+
+            Assert.Equal("The Title", res.Name);
+            Assert.Equal("Title, The", res.ForcedSortName);
+            Assert.Single(res.Artists);
+            Assert.Equal("The Artist", res.Artists[0]);
+            Assert.Equal("Album", res.Album);
+            Assert.Equal(2021, res.ProductionYear);
+            Assert.True(res.PremiereDate.HasValue);
+            Assert.Equal(DateTime.Parse("2021-01-01T00:00Z", DateTimeFormatInfo.CurrentInfo).ToUniversalTime(), res.PremiereDate);
+        }
+
+        [Fact]
+        public void GetMediaInfo_GivenOriginalDateContainsOnlyYear_Success()
+        {
+            var bytes = File.ReadAllBytes("Test Data/Probing/music_year_only_metadata.json");
+            var internalMediaInfoResult = JsonSerializer.Deserialize<InternalMediaInfoResult>(bytes, _jsonOptions);
+            MediaInfo res = _probeResultNormalizer.GetMediaInfo(internalMediaInfoResult, null, true, "Test Data/Probing/music.flac", MediaProtocol.File);
+
+            Assert.Equal("Baker Street", res.Name);
+            Assert.Single(res.Artists);
+            Assert.Equal("Gerry Rafferty", res.Artists[0]);
+            Assert.Equal("City to City", res.Album);
+            Assert.Equal(1978, res.ProductionYear);
+            Assert.True(res.PremiereDate.HasValue);
+            Assert.Equal(DateTime.Parse("1978-01-01T00:00Z", DateTimeFormatInfo.CurrentInfo).ToUniversalTime(), res.PremiereDate);
+            Assert.Contains("Electronic", res.Genres);
+            Assert.Contains("Ambient", res.Genres);
+            Assert.Contains("Pop", res.Genres);
+            Assert.Contains("Jazz", res.Genres);
+        }
+
+        [Fact]
+        public void GetMediaInfo_Music_Success()
+        {
+            var bytes = File.ReadAllBytes("Test Data/Probing/music_metadata.json");
+            var internalMediaInfoResult = JsonSerializer.Deserialize<InternalMediaInfoResult>(bytes, _jsonOptions);
+            MediaInfo res = _probeResultNormalizer.GetMediaInfo(internalMediaInfoResult, null, true, "Test Data/Probing/music.flac", MediaProtocol.File);
+
+            Assert.Equal("UP NO MORE", res.Name);
+            Assert.Single(res.Artists);
+            Assert.Equal("TWICE", res.Artists[0]);
+            Assert.Equal("Eyes wide open", res.Album);
+            Assert.Equal(2020, res.ProductionYear);
+            Assert.True(res.PremiereDate.HasValue);
+            Assert.Equal(DateTime.Parse("2020-10-26T00:00Z", DateTimeFormatInfo.CurrentInfo).ToUniversalTime(), res.PremiereDate);
+            Assert.Equal(22, res.People.Length);
+            Assert.Equal("Krysta Youngs", res.People[0].Name);
+            Assert.Equal(PersonType.Composer, res.People[0].Type);
+            Assert.Equal("Julia Ross", res.People[1].Name);
+            Assert.Equal(PersonType.Composer, res.People[1].Type);
+            Assert.Equal("Yiwoomin", res.People[2].Name);
+            Assert.Equal(PersonType.Composer, res.People[2].Type);
+            Assert.Equal("Ji-hyo Park", res.People[3].Name);
+            Assert.Equal(PersonType.Lyricist, res.People[3].Type);
+            Assert.Equal("Yiwoomin", res.People[4].Name);
+            Assert.Equal(PersonType.Actor, res.People[4].Type);
+            Assert.Equal("Electric Piano", res.People[4].Role);
+            Assert.Equal(4, res.Genres.Length);
+            Assert.Contains("Electronic", res.Genres);
+            Assert.Contains("Trance", res.Genres);
+            Assert.Contains("Dance", res.Genres);
+            Assert.Contains("Jazz", res.Genres);
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_metadata.json b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_metadata.json
new file mode 100644
index 000000000..6530629fe
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_metadata.json
@@ -0,0 +1,144 @@
+{
+    "streams": [
+        {
+            "index": 0,
+            "codec_name": "flac",
+            "codec_long_name": "FLAC (Free Lossless Audio Codec)",
+            "codec_type": "audio",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "sample_fmt": "s16",
+            "sample_rate": "44100",
+            "channels": 2,
+            "channel_layout": "stereo",
+            "bits_per_sample": 0,
+            "r_frame_rate": "0/0",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/44100",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "duration_ts": 9447984,
+            "duration": "214.240000",
+            "bits_per_raw_sample": "16",
+            "disposition": {
+                "default": 0,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            }
+        },
+        {
+            "index": 1,
+            "codec_name": "mjpeg",
+            "codec_long_name": "Motion JPEG",
+            "profile": "Baseline",
+            "codec_type": "video",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "width": 500,
+            "height": 500,
+            "coded_width": 500,
+            "coded_height": 500,
+            "closed_captions": 0,
+            "has_b_frames": 0,
+            "sample_aspect_ratio": "1:1",
+            "display_aspect_ratio": "1:1",
+            "pix_fmt": "yuvj420p",
+            "level": -99,
+            "color_range": "pc",
+            "color_space": "bt470bg",
+            "chroma_location": "center",
+            "refs": 1,
+            "r_frame_rate": "90000/1",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/90000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "duration_ts": 19281600,
+            "duration": "214.240000",
+            "bits_per_raw_sample": "8",
+            "disposition": {
+                "default": 0,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 1,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "comment": "Cover (front)"
+            }
+        }
+    ],
+    "format": {
+        "filename": "03 UP NO MORE.flac",
+        "nb_streams": 2,
+        "nb_programs": 0,
+        "format_name": "flac",
+        "format_long_name": "raw FLAC",
+        "start_time": "0.000000",
+        "duration": "214.240000",
+        "size": "28714641",
+        "bit_rate": "1072242",
+        "probe_score": 100,
+        "tags": {
+            "MUSICBRAINZ_RELEASEGROUPID": "aa05ff10-8589-4c9c-a0d4-6b024f4e4556",
+            "ORIGINALDATE": "2020-10-26",
+            "ORIGINALYEAR": "2020",
+            "RELEASETYPE": "album",
+            "MUSICBRAINZ_ALBUMID": "222e6610-75c9-400e-8dc3-bb61f9fc5ca7",
+            "SCRIPT": "Latn",
+            "ALBUM": "Eyes wide open",
+            "RELEASECOUNTRY": "JP",
+            "BARCODE": "190295105280",
+            "LABEL": "JYP Entertainment",
+            "RELEASESTATUS": "official",
+            "DATE": "2020-10-26",
+            "MUSICBRAINZ_ALBUMARTISTID": "8da127cc-c432-418f-b356-ef36210d82ac",
+            "album_artist": "TWICE",
+            "ALBUMARTISTSORT": "TWICE",
+            "TOTALDISCS": "1",
+            "TOTALTRACKS": "13",
+            "MEDIA": "Digital Media",
+            "disc": "1",
+            "MUSICBRAINZ_TRACKID": "7d1a1044-b564-480d-9df3-22f9656fdb97",
+            "TITLE": "UP NO MORE",
+            "ISRC": "US5TA2000136",
+            "PERFORMER": "Yiwoomin (electric piano);Yiwoomin (synthesizer);Yiwoomin (bass);Yiwoomin (guitar);TWICE;Tzu-yu Chou (vocals);Momo Hirai (vocals);Na-yeon Im (vocals);Da-hyun Kim (vocals);Sana Minatozaki (vocals);Mina Myoui (vocals);Ji-hyo Park (vocals);Chae-young Son (vocals);Jeong-yeon Yoo (vocals);Perrie (background vocals)",
+            "MIXER": "Bong Won Shin",
+            "ARRANGER": "Krysta Youngs;Julia Ross;Yiwoomin",
+            "MUSICBRAINZ_WORKID": "02b37083-0337-4721-9f17-bf31971043e8",
+            "LANGUAGE": "kor;eng",
+            "WORK": "Up No More",
+            "COMPOSER": "Krysta Youngs;Julia Ross;Yiwoomin",
+            "COMPOSERSORT": "Krysta Youngs;Ross, Julia;Yiwoomin",
+            "LYRICIST": "Ji-hyo Park",
+            "MUSICBRAINZ_ARTISTID": "8da127cc-c432-418f-b356-ef36210d82ac",
+            "ARTIST": "TWICE",
+            "ARTISTSORT": "TWICE",
+            "ARTISTS": "TWICE",
+            "MUSICBRAINZ_RELEASETRACKID": "ad49b840-da9e-4e7c-924b-29fdee187052",
+            "track": "3",
+            "GENRE": "Electronic;Trance;Dance;Jazz",
+            "WEBSITE": "http://twice.jype.com/;http://www.twicejapan.com/",
+            "ACOUSTID_ID": "aae2e972-108c-4d0c-8e31-9d078283e3dc",
+            "MOOD": "Not acoustic;Not aggressive;Electronic;Happy;Party;Not relaxed;Not sad",
+            "TRACKTOTAL": "13",
+            "DISCTOTAL": "1"
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_video_metadata.json b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_video_metadata.json
new file mode 100644
index 000000000..97d6600a4
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_video_metadata.json
@@ -0,0 +1,111 @@
+{
+    "streams": [
+        {
+            "index": 0,
+            "codec_name": "h264",
+            "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10",
+            "profile": "High",
+            "codec_type": "video",
+            "codec_time_base": "1001/48000",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "width": 1920,
+            "height": 1080,
+            "coded_width": 1920,
+            "coded_height": 1088,
+            "closed_captions": 0,
+            "has_b_frames": 0,
+            "sample_aspect_ratio": "1:1",
+            "display_aspect_ratio": "16:9",
+            "pix_fmt": "yuv420p",
+            "level": 42,
+            "chroma_location": "left",
+            "field_order": "progressive",
+            "refs": 1,
+            "is_avc": "true",
+            "nal_length_size": "4",
+            "r_frame_rate": "24000/1001",
+            "avg_frame_rate": "24000/1001",
+            "time_base": "1/1000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "bits_per_raw_sample": "8",
+            "disposition": {
+                "default": 1,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "language": "eng"
+            }
+        },
+        {
+            "index": 1,
+            "codec_name": "aac",
+            "codec_long_name": "AAC (Advanced Audio Coding)",
+            "profile": "LC",
+            "codec_type": "audio",
+            "codec_time_base": "1/48000",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "sample_fmt": "fltp",
+            "sample_rate": "48000",
+            "channels": 2,
+            "channel_layout": "stereo",
+            "bits_per_sample": 0,
+            "r_frame_rate": "0/0",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/1000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "disposition": {
+                "default": 1,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "language": "eng"
+            }
+        }
+    ],
+    "chapters": [
+    ],
+    "format": {
+        "filename": "music_video.mkv",
+        "nb_streams": 2,
+        "nb_programs": 0,
+        "format_name": "matroska,webm",
+        "format_long_name": "Matroska / WebM",
+        "start_time": "0.000000",
+        "duration": "180.000000",
+        "size": "500000000",
+        "bit_rate": "22222222",
+        "probe_score": 100,
+        "tags": {
+            "TITLE-eng": "The Title",
+            "TITLESORT": "Title, The",
+            "ARTIST": "The Artist",
+            "ARTISTSORT": "Artist, The",
+            "ALBUM": "Album",
+            "DATE_RELEASED": "2021-01-01"
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_year_only_metadata.json b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_year_only_metadata.json
new file mode 100644
index 000000000..ddf890c45
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_year_only_metadata.json
@@ -0,0 +1,147 @@
+{
+    "streams": [
+        {
+            "index": 0,
+            "codec_name": "flac",
+            "codec_long_name": "FLAC (Free Lossless Audio Codec)",
+            "codec_type": "audio",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "sample_fmt": "s16",
+            "sample_rate": "44100",
+            "channels": 2,
+            "channel_layout": "stereo",
+            "bits_per_sample": 0,
+            "r_frame_rate": "0/0",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/44100",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "duration_ts": 16394616,
+            "duration": "371.760000",
+            "bits_per_raw_sample": "16",
+            "disposition": {
+                "default": 0,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            }
+        },
+        {
+            "index": 1,
+            "codec_name": "mjpeg",
+            "codec_long_name": "Motion JPEG",
+            "profile": "Baseline",
+            "codec_type": "video",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "width": 500,
+            "height": 498,
+            "coded_width": 500,
+            "coded_height": 498,
+            "closed_captions": 0,
+            "has_b_frames": 0,
+            "sample_aspect_ratio": "1:1",
+            "display_aspect_ratio": "250:249",
+            "pix_fmt": "yuvj420p",
+            "level": -99,
+            "color_range": "pc",
+            "color_space": "bt470bg",
+            "chroma_location": "center",
+            "refs": 1,
+            "r_frame_rate": "90000/1",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/90000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "duration_ts": 33458400,
+            "duration": "371.760000",
+            "bits_per_raw_sample": "8",
+            "disposition": {
+                "default": 0,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 1,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "comment": "Cover (front)"
+            }
+        }
+    ],
+    "format": {
+        "filename": "02 Baker Street.flac",
+        "nb_streams": 2,
+        "nb_programs": 0,
+        "format_name": "flac",
+        "format_long_name": "raw FLAC",
+        "start_time": "0.000000",
+        "duration": "371.760000",
+        "size": "37072649",
+        "bit_rate": "797775",
+        "probe_score": 100,
+        "tags": {
+            "MUSICBRAINZ_RELEASEGROUPID": "238c3fb4-5792-342b-b217-02f66298b424",
+            "ORIGINALDATE": "1978",
+            "ORIGINALYEAR": "1978",
+            "RELEASETYPE": "album",
+            "MUSICBRAINZ_ALBUMID": "30156786-e511-3106-ac95-66f0e880b24b",
+            "ASIN": "B000007O5H",
+            "MUSICBRAINZ_ALBUMARTISTID": "563201cb-721c-4cfb-acca-c1ba69e3d1fb",
+            "album_artist": "Gerry Rafferty",
+            "ALBUMARTISTSORT": "Rafferty, Gerry",
+            "LABEL": "Liberty EMI Records UK",
+            "CATALOGNUMBER": "CDP 7 46049 2",
+            "DATE": "1989-07-26",
+            "RELEASECOUNTRY": "GB",
+            "BARCODE": "077774604925",
+            "ALBUM": "City to City",
+            "SCRIPT": "Latn",
+            "RELEASESTATUS": "official",
+            "TOTALDISCS": "1",
+            "disc": "1",
+            "MEDIA": "CD",
+            "TOTALTRACKS": "10",
+            "MUSICBRAINZ_TRACKID": "9235e22e-afbd-48f7-b329-21dae6da2810",
+            "ISRC": "GBAYE1100924;GBAYE7800619",
+            "PERFORMER": "Hugh Burns (electric guitar);Nigel Jenkins (electric guitar);Tommy Eyre (keyboard and Moog);Glen LeFleur (percussion);Raphael Ravenscroft (saxophone);Henry Spinetti (drums (drum set));Gary Taylor (bass);Gerry Rafferty (lead vocals)",
+            "ARRANGER": "Graham Preskett",
+            "MIXER": "Declan O’Doherty",
+            "PRODUCER": "Hugh Murphy;Gerry Rafferty",
+            "MUSICBRAINZ_WORKID": "a9eb3c45-784c-3c32-860c-4b406f03961b",
+            "LANGUAGE": "eng",
+            "WORK": "Baker Street",
+            "COMPOSER": "Gerry Rafferty",
+            "COMPOSERSORT": "Rafferty, Gerry",
+            "LYRICIST": "Gerry Rafferty",
+            "TITLE": "Baker Street",
+            "MUSICBRAINZ_ARTISTID": "563201cb-721c-4cfb-acca-c1ba69e3d1fb",
+            "ARTIST": "Gerry Rafferty",
+            "ARTISTSORT": "Rafferty, Gerry",
+            "ARTISTS": "Gerry Rafferty",
+            "MUSICBRAINZ_RELEASETRACKID": "407cf7f7-440d-3e76-8b89-8686198868ea",
+            "track": "2",
+            "GENRE": "Electronic;Ambient;Pop;Jazz",
+            "WEBSITE": "http://www.gerryrafferty.com/",
+            "ACOUSTID_ID": "68f8d979-a659-4aa0-a216-eb3721a951eb",
+            "MOOD": "Acoustic;Not aggressive;Not electronic;Not happy;Party;Relaxed;Not sad",
+            "TRACKTOTAL": "10",
+            "DISCTOTAL": "1"
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/video_metadata.json b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/video_metadata.json
new file mode 100644
index 000000000..720fc5c8f
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/video_metadata.json
@@ -0,0 +1,74 @@
+{
+    "streams": [
+        {
+            "index": 0,
+            "codec_name": "h264",
+            "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10",
+            "profile": "High 4:4:4 Predictive",
+            "codec_type": "video",
+            "codec_time_base": "1/50",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "width": 320,
+            "height": 240,
+            "coded_width": 320,
+            "coded_height": 240,
+            "closed_captions": 0,
+            "has_b_frames": 2,
+            "sample_aspect_ratio": "1:1",
+            "display_aspect_ratio": "4:3",
+            "pix_fmt": "yuv444p",
+            "level": 13,
+            "chroma_location": "left",
+            "field_order": "progressive",
+            "refs": 1,
+            "is_avc": "true",
+            "nal_length_size": "4",
+            "r_frame_rate": "25/1",
+            "avg_frame_rate": "25/1",
+            "time_base": "1/1000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "bits_per_raw_sample": "8",
+            "disposition": {
+                "default": 1,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "ENCODER": "Lavc57.107.100 libx264",
+                "DURATION": "00:00:01.000000000"
+            }
+        }
+    ],
+    "chapters": [
+
+    ],
+    "format": {
+        "filename": "some_metadata.mkv",
+        "nb_streams": 1,
+        "nb_programs": 0,
+        "format_name": "matroska,webm",
+        "format_long_name": "Matroska / WebM",
+        "start_time": "0.000000",
+        "duration": "1.000000",
+        "size": "8679",
+        "bit_rate": "69432",
+        "probe_score": 100,
+        "tags": {
+            "DESCRIPTION": "Just color bars",
+            "ARCHIVAL": "yes",
+            "PRESERVE_THIS": "okay",
+            "ENCODER": "Lavf57.83.100"
+        }
+    }
+}
diff --git a/tests/Jellyfin.Model.Tests/Dlna/ContainerProfileTests.cs b/tests/Jellyfin.Model.Tests/Dlna/ContainerProfileTests.cs
new file mode 100644
index 000000000..cca056c28
--- /dev/null
+++ b/tests/Jellyfin.Model.Tests/Dlna/ContainerProfileTests.cs
@@ -0,0 +1,19 @@
+using MediaBrowser.Model.Dlna;
+using Xunit;
+
+namespace Jellyfin.Model.Tests.Dlna
+{
+    public class ContainerProfileTests
+    {
+        private readonly ContainerProfile _emptyContainerProfile = new ContainerProfile();
+
+        [Theory]
+        [InlineData(null)]
+        [InlineData("")]
+        [InlineData("mp4")]
+        public void ContainsContainer_EmptyContainerProfile_True(string? containers)
+        {
+            Assert.True(_emptyContainerProfile.ContainsContainer(containers));
+        }
+    }
+}
diff --git a/tests/Jellyfin.Model.Tests/Entities/MediaStreamTests.cs b/tests/Jellyfin.Model.Tests/Entities/MediaStreamTests.cs
new file mode 100644
index 000000000..ce9ecea6a
--- /dev/null
+++ b/tests/Jellyfin.Model.Tests/Entities/MediaStreamTests.cs
@@ -0,0 +1,156 @@
+using System.Collections.Generic;
+using MediaBrowser.Model.Entities;
+using Xunit;
+
+namespace Jellyfin.Model.Tests.Entities
+{
+    public class MediaStreamTests
+    {
+        public static IEnumerable<object[]> Get_DisplayTitle_TestData()
+        {
+            return new List<object[]>
+            {
+                new object[]
+                {
+                    new MediaStream
+                    {
+                        Type = MediaStreamType.Subtitle,
+                        Title = "English",
+                        Language = string.Empty,
+                        IsForced = false,
+                        IsDefault = false,
+                        Codec = "ASS"
+                    },
+                    "English - Und - ASS"
+                },
+                new object[]
+                {
+                    new MediaStream
+                    {
+                        Type = MediaStreamType.Subtitle,
+                        Title = "English",
+                        Language = string.Empty,
+                        IsForced = false,
+                        IsDefault = false,
+                        Codec = string.Empty
+                    },
+                    "English - Und"
+                },
+                new object[]
+                {
+                    new MediaStream
+                    {
+                        Type = MediaStreamType.Subtitle,
+                        Title = "English",
+                        Language = "EN",
+                        IsForced = false,
+                        IsDefault = false,
+                        Codec = string.Empty
+                    },
+                    "English"
+                },
+                new object[]
+                {
+                    new MediaStream
+                    {
+                        Type = MediaStreamType.Subtitle,
+                        Title = "English",
+                        Language = "EN",
+                        IsForced = true,
+                        IsDefault = true,
+                        Codec = "SRT"
+                    },
+                    "English - Default - Forced - SRT"
+                },
+                new object[]
+                {
+                    new MediaStream
+                    {
+                        Type = MediaStreamType.Subtitle,
+                        Title = null,
+                        Language = null,
+                        IsForced = false,
+                        IsDefault = false,
+                        Codec = null
+                    },
+                    "Und"
+                }
+            };
+        }
+
+        [Theory]
+        [MemberData(nameof(Get_DisplayTitle_TestData))]
+        public void Get_DisplayTitle_should_return_valid_title(MediaStream mediaStream, string expected)
+        {
+            Assert.Equal(expected, mediaStream.DisplayTitle);
+        }
+
+        [Theory]
+        [InlineData(null, null, false, null)]
+        [InlineData(null, 0, false, null)]
+        [InlineData(0, null, false, null)]
+        [InlineData(640, 480, false, "480p")]
+        [InlineData(640, 480, true, "480i")]
+        [InlineData(720, 576, false, "576p")]
+        [InlineData(720, 576, true, "576i")]
+        [InlineData(960, 540, false, "540p")]
+        [InlineData(960, 540, true, "540i")]
+        [InlineData(1280, 720, false, "720p")]
+        [InlineData(1280, 720, true, "720i")]
+        [InlineData(1920, 1080, false, "1080p")]
+        [InlineData(1920, 1080, true, "1080i")]
+        [InlineData(4096, 3072, false, "4K")]
+        [InlineData(8192, 6144, false, "8K")]
+        [InlineData(512, 384, false, "480p")]
+        [InlineData(576, 336, false, "480p")]
+        [InlineData(624, 352, false, "480p")]
+        [InlineData(640, 352, false, "480p")]
+        [InlineData(704, 396, false, "480p")]
+        [InlineData(720, 404, false, "480p")]
+        [InlineData(720, 480, false, "480p")]
+        [InlineData(768, 576, false, "576p")]
+        [InlineData(960, 720, false, "720p")]
+        [InlineData(1280, 528, false, "720p")]
+        [InlineData(1280, 532, false, "720p")]
+        [InlineData(1280, 534, false, "720p")]
+        [InlineData(1280, 536, false, "720p")]
+        [InlineData(1280, 544, false, "720p")]
+        [InlineData(1280, 690, false, "720p")]
+        [InlineData(1280, 694, false, "720p")]
+        [InlineData(1280, 696, false, "720p")]
+        [InlineData(1280, 716, false, "720p")]
+        [InlineData(1280, 718, false, "720p")]
+        [InlineData(1912, 792, false, "1080p")]
+        [InlineData(1916, 1076, false, "1080p")]
+        [InlineData(1918, 1080, false, "1080p")]
+        [InlineData(1920, 796, false, "1080p")]
+        [InlineData(1920, 800, false, "1080p")]
+        [InlineData(1920, 802, false, "1080p")]
+        [InlineData(1920, 804, false, "1080p")]
+        [InlineData(1920, 808, false, "1080p")]
+        [InlineData(1920, 816, false, "1080p")]
+        [InlineData(1920, 856, false, "1080p")]
+        [InlineData(1920, 960, false, "1080p")]
+        [InlineData(1920, 1024, false, "1080p")]
+        [InlineData(1920, 1040, false, "1080p")]
+        [InlineData(1920, 1072, false, "1080p")]
+        [InlineData(1440, 1072, false, "1080p")]
+        [InlineData(1440, 1080, false, "1080p")]
+        [InlineData(3840, 1600, false, "4K")]
+        [InlineData(3840, 1606, false, "4K")]
+        [InlineData(3840, 1608, false, "4K")]
+        [InlineData(3840, 2160, false, "4K")]
+        [InlineData(7680, 4320, false, "8K")]
+        public void GetResolutionText_Valid(int? width, int? height, bool interlaced, string expected)
+        {
+            var mediaStream = new MediaStream()
+            {
+                Width = width,
+                Height = height,
+                IsInterlaced = interlaced
+            };
+
+            Assert.Equal(expected, mediaStream.GetResolutionText());
+        }
+    }
+}
diff --git a/tests/Jellyfin.Model.Tests/Extensions/StringHelperTests.cs b/tests/Jellyfin.Model.Tests/Extensions/StringHelperTests.cs
index 51633e157..0a4e060df 100644
--- a/tests/Jellyfin.Model.Tests/Extensions/StringHelperTests.cs
+++ b/tests/Jellyfin.Model.Tests/Extensions/StringHelperTests.cs
@@ -1,4 +1,6 @@
 using System;
+using FsCheck;
+using FsCheck.Xunit;
 using MediaBrowser.Model.Extensions;
 using Xunit;
 
@@ -11,9 +13,20 @@ namespace Jellyfin.Model.Tests.Extensions
         [InlineData("banana", "Banana")]
         [InlineData("Banana", "Banana")]
         [InlineData("ä", "Ä")]
+        [InlineData("\027", "\027")]
         public void StringHelper_ValidArgs_Success(string input, string expectedResult)
         {
             Assert.Equal(expectedResult, StringHelper.FirstToUpper(input));
         }
+
+        [Property]
+        public Property FirstToUpper_RandomArg_Correct(NonEmptyString input)
+        {
+            var result = StringHelper.FirstToUpper(input.Item);
+
+            // We check IsLower instead of IsUpper because both return false for non-letters
+            return (!char.IsLower(result[0])).Label("First char is uppercase")
+                .And(input.Item.Length == 1 || result[1..].Equals(input.Item[1..], StringComparison.Ordinal)).Label("Remaining chars are unmodified");
+        }
     }
 }
diff --git a/tests/Jellyfin.Model.Tests/Jellyfin.Model.Tests.csproj b/tests/Jellyfin.Model.Tests/Jellyfin.Model.Tests.csproj
index 0c7e262f5..e9b7b1850 100644
--- a/tests/Jellyfin.Model.Tests/Jellyfin.Model.Tests.csproj
+++ b/tests/Jellyfin.Model.Tests/Jellyfin.Model.Tests.csproj
@@ -3,17 +3,15 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
+    <PackageReference Include="FsCheck.Xunit" Version="2.16.1" />
   </ItemGroup>
 
   <!-- Code Analyzers -->
diff --git a/tests/Jellyfin.Naming.Tests/AudioBook/AudioBookListResolverTests.cs b/tests/Jellyfin.Naming.Tests/AudioBook/AudioBookListResolverTests.cs
index e5768b620..d9e77dd2e 100644
--- a/tests/Jellyfin.Naming.Tests/AudioBook/AudioBookListResolverTests.cs
+++ b/tests/Jellyfin.Naming.Tests/AudioBook/AudioBookListResolverTests.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using Emby.Naming.AudioBook;
 using Emby.Naming.Common;
diff --git a/tests/Jellyfin.Naming.Tests/AudioBook/AudioBookResolverTests.cs b/tests/Jellyfin.Naming.Tests/AudioBook/AudioBookResolverTests.cs
index ad63adadc..53b35c2d6 100644
--- a/tests/Jellyfin.Naming.Tests/AudioBook/AudioBookResolverTests.cs
+++ b/tests/Jellyfin.Naming.Tests/AudioBook/AudioBookResolverTests.cs
@@ -1,4 +1,3 @@
-using System;
 using System.Collections.Generic;
 using Emby.Naming.AudioBook;
 using Emby.Naming.Common;
diff --git a/tests/Jellyfin.Naming.Tests/Jellyfin.Naming.Tests.csproj b/tests/Jellyfin.Naming.Tests/Jellyfin.Naming.Tests.csproj
index cc12a99a6..a4ebab141 100644
--- a/tests/Jellyfin.Naming.Tests/Jellyfin.Naming.Tests.csproj
+++ b/tests/Jellyfin.Naming.Tests/Jellyfin.Naming.Tests.csproj
@@ -8,17 +8,14 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/Jellyfin.Naming.Tests/Subtitles/SubtitleParserTests.cs b/tests/Jellyfin.Naming.Tests/Subtitles/SubtitleParserTests.cs
index f3abacb4f..2446660f3 100644
--- a/tests/Jellyfin.Naming.Tests/Subtitles/SubtitleParserTests.cs
+++ b/tests/Jellyfin.Naming.Tests/Subtitles/SubtitleParserTests.cs
@@ -1,4 +1,3 @@
-using System;
 using Emby.Naming.Common;
 using Emby.Naming.Subtitles;
 using Xunit;
diff --git a/tests/Jellyfin.Naming.Tests/TV/EpisodeNumberTests.cs b/tests/Jellyfin.Naming.Tests/TV/EpisodeNumberTests.cs
index 921c2b1f5..2873f6161 100644
--- a/tests/Jellyfin.Naming.Tests/TV/EpisodeNumberTests.cs
+++ b/tests/Jellyfin.Naming.Tests/TV/EpisodeNumberTests.cs
@@ -70,7 +70,8 @@ namespace Jellyfin.Naming.Tests.TV
         [InlineData("Log Horizon 2/[HorribleSubs] Log Horizon 2 - 03 [720p].mkv", 3)] // digit in series name
         [InlineData("Season 1/seriesname 05.mkv", 5)] // no hyphen between series name and episode number
         [InlineData("[BBT-RMX] Ranma ½ - 154 [50AC421A].mkv", 154)] // hyphens in the pre-name info, triple digit episode number
-        // TODO: [InlineData("Case Closed (1996-2007)/Case Closed - 317.mkv", 317)] // triple digit episode number
+        [InlineData("Season 2/Episode 21 - 94 Meetings.mp4", 21)] // Title starts with a number
+        // [InlineData("Case Closed (1996-2007)/Case Closed - 317.mkv", 317)] // triple digit episode number
         // TODO: [InlineData("Season 2/16 12 Some Title.avi", 16)]
         // TODO: [InlineData("/The.Legend.of.Condor.Heroes.2017.V2.web-dl.1080p.h264.aac-hdctv/The.Legend.of.Condor.Heroes.2017.E07.V2.web-dl.1080p.h264.aac-hdctv.mkv", 7)]
         // TODO: [InlineData("Season 4/Uchuu.Senkan.Yamato.2199.E03.avi", 3)]
diff --git a/tests/Jellyfin.Naming.Tests/TV/SimpleEpisodeTests.cs b/tests/Jellyfin.Naming.Tests/TV/SimpleEpisodeTests.cs
index 89579c037..6d49ac832 100644
--- a/tests/Jellyfin.Naming.Tests/TV/SimpleEpisodeTests.cs
+++ b/tests/Jellyfin.Naming.Tests/TV/SimpleEpisodeTests.cs
@@ -21,7 +21,8 @@ namespace Jellyfin.Naming.Tests.TV
         [InlineData("[Baz-Bar]Foo - [1080p][Multiple Subtitle]/[Baz-Bar] Foo - 05 [1080p][Multiple Subtitle].mkv", "Foo", null, 5)]
         [InlineData(@"/Foo/The.Series.Name.S01E04.WEBRip.x264-Baz[Bar]/the.series.name.s01e04.webrip.x264-Baz[Bar].mkv", "The.Series.Name", 1, 4)]
         [InlineData(@"Love.Death.and.Robots.S01.1080p.NF.WEB-DL.DDP5.1.x264-NTG/Love.Death.and.Robots.S01E01.Sonnies.Edge.1080p.NF.WEB-DL.DDP5.1.x264-NTG.mkv", "Love.Death.and.Robots", 1, 1)]
-        // TODO: [InlineData("[Baz-Bar]Foo - 01 - 12[1080p][Multiple Subtitle]/[Baz-Bar] Foo - 05 [1080p][Multiple Subtitle].mkv", "Foo", null, 5)]
+        [InlineData("[YuiSubs] Tensura Nikki - Tensei Shitara Slime Datta Ken/[YuiSubs] Tensura Nikki - Tensei Shitara Slime Datta Ken - 12 (NVENC H.265 1080p).mkv", "Tensura Nikki - Tensei Shitara Slime Datta Ken", null, 12)]
+        [InlineData("[Baz-Bar]Foo - 01 - 12[1080p][Multiple Subtitle]/[Baz-Bar] Foo - 05 [1080p][Multiple Subtitle].mkv", "Foo", null, 5)]
         // TODO: [InlineData("E:\\Anime\\Yahari Ore no Seishun Love Comedy wa Machigatteiru\\Yahari Ore no Seishun Love Comedy wa Machigatteiru. Zoku\\Oregairu Zoku 11 - Hayama Hayato Always Renconds to Everyone's Expectations..mkv", "Yahari Ore no Seishun Love Comedy wa Machigatteiru", null, 11)]
         // TODO: [InlineData(@"/Library/Series/The Grand Tour (2016)/Season 1/S01E01 The Holy Trinity.mkv", "The Grand Tour", 1, 1)]
         public void TestSimple(string path, string seriesName, int? seasonNumber, int? episodeNumber)
diff --git a/tests/Jellyfin.Naming.Tests/Video/CleanDateTimeTests.cs b/tests/Jellyfin.Naming.Tests/Video/CleanDateTimeTests.cs
index 950899d7e..b1141df47 100644
--- a/tests/Jellyfin.Naming.Tests/Video/CleanDateTimeTests.cs
+++ b/tests/Jellyfin.Naming.Tests/Video/CleanDateTimeTests.cs
@@ -58,7 +58,7 @@ namespace Jellyfin.Naming.Tests.Video
         {
             input = Path.GetFileName(input);
 
-            var result = new VideoResolver(_namingOptions).CleanDateTime(input);
+            var result = VideoResolver.CleanDateTime(input, _namingOptions);
 
             Assert.Equal(expectedName, result.Name, true);
             Assert.Equal(expectedYear, result.Year);
diff --git a/tests/Jellyfin.Naming.Tests/Video/CleanStringTests.cs b/tests/Jellyfin.Naming.Tests/Video/CleanStringTests.cs
index a720bdade..fb050cf5a 100644
--- a/tests/Jellyfin.Naming.Tests/Video/CleanStringTests.cs
+++ b/tests/Jellyfin.Naming.Tests/Video/CleanStringTests.cs
@@ -7,7 +7,7 @@ namespace Jellyfin.Naming.Tests.Video
 {
     public sealed class CleanStringTests
     {
-        private readonly VideoResolver _videoResolver = new VideoResolver(new NamingOptions());
+        private readonly NamingOptions _namingOptions = new NamingOptions();
 
         [Theory]
         [InlineData("Super movie 480p.mp4", "Super movie")]
@@ -26,7 +26,7 @@ namespace Jellyfin.Naming.Tests.Video
         // FIXME: [InlineData("After The Sunset - [0004].mkv", "After The Sunset")]
         public void CleanStringTest_NeedsCleaning_Success(string input, string expectedName)
         {
-            Assert.True(_videoResolver.TryCleanString(input, out ReadOnlySpan<char> newName));
+            Assert.True(VideoResolver.TryCleanString(input, _namingOptions, out ReadOnlySpan<char> newName));
             // TODO: compare spans when XUnit supports it
             Assert.Equal(expectedName, newName.ToString());
         }
@@ -41,7 +41,7 @@ namespace Jellyfin.Naming.Tests.Video
         [InlineData("Run lola run (lola rennt) (2009).mp4")]
         public void CleanStringTest_DoesntNeedCleaning_False(string? input)
         {
-            Assert.False(_videoResolver.TryCleanString(input, out ReadOnlySpan<char> newName));
+            Assert.False(VideoResolver.TryCleanString(input, _namingOptions, out ReadOnlySpan<char> newName));
             Assert.True(newName.IsEmpty);
         }
     }
diff --git a/tests/Jellyfin.Naming.Tests/Video/ExtraTests.cs b/tests/Jellyfin.Naming.Tests/Video/ExtraTests.cs
index d34f65409..f872f94f8 100644
--- a/tests/Jellyfin.Naming.Tests/Video/ExtraTests.cs
+++ b/tests/Jellyfin.Naming.Tests/Video/ExtraTests.cs
@@ -1,4 +1,3 @@
-using System;
 using Emby.Naming.Common;
 using Emby.Naming.Video;
 using MediaBrowser.Model.Entities;
@@ -105,13 +104,6 @@ namespace Jellyfin.Naming.Tests.Video
             Assert.Equal(rule, res.Rule);
         }
 
-        [Fact]
-        public void TestFlagsParser()
-        {
-            var flags = new FlagParser(_videoOptions).GetFlags(string.Empty);
-            Assert.Empty(flags);
-        }
-
         private ExtraResolver GetExtraTypeParser(NamingOptions videoOptions)
         {
             return new ExtraResolver(videoOptions);
diff --git a/tests/Jellyfin.Naming.Tests/Video/Format3DTests.cs b/tests/Jellyfin.Naming.Tests/Video/Format3DTests.cs
index 69de96a47..1762b91b9 100644
--- a/tests/Jellyfin.Naming.Tests/Video/Format3DTests.cs
+++ b/tests/Jellyfin.Naming.Tests/Video/Format3DTests.cs
@@ -22,8 +22,7 @@ namespace Jellyfin.Naming.Tests.Video
         [Fact]
         public void Test3DName()
         {
-            var result =
-                new VideoResolver(_namingOptions).ResolveFile(@"C:/Users/media/Desktop/Video Test/Movies/Oblivion/Oblivion.3d.hsbs.mkv");
+            var result = VideoResolver.ResolveFile(@"C:/Users/media/Desktop/Video Test/Movies/Oblivion/Oblivion.3d.hsbs.mkv", _namingOptions);
 
             Assert.Equal("hsbs", result?.Format3D);
             Assert.Equal("Oblivion", result?.Name);
@@ -58,15 +57,13 @@ namespace Jellyfin.Naming.Tests.Video
 
         private void Test(string input, bool is3D, string? format3D)
         {
-            var parser = new Format3DParser(_namingOptions);
-
-            var result = parser.Parse(input);
+            var result = Format3DParser.Parse(input, _namingOptions);
 
             Assert.Equal(is3D, result.Is3D);
 
             if (format3D == null)
             {
-                Assert.Null(result.Format3D);
+                Assert.Null(result?.Format3D);
             }
             else
             {
diff --git a/tests/Jellyfin.Naming.Tests/Video/MultiVersionTests.cs b/tests/Jellyfin.Naming.Tests/Video/MultiVersionTests.cs
index 6e803593e..d02f8ae92 100644
--- a/tests/Jellyfin.Naming.Tests/Video/MultiVersionTests.cs
+++ b/tests/Jellyfin.Naming.Tests/Video/MultiVersionTests.cs
@@ -9,7 +9,7 @@ namespace Jellyfin.Naming.Tests.Video
 {
     public class MultiVersionTests
     {
-        private readonly VideoListResolver _videoListResolver = new VideoListResolver(new NamingOptions());
+        private readonly NamingOptions _namingOptions = new NamingOptions();
 
         [Fact]
         public void TestMultiEdition1()
@@ -22,11 +22,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/X-Men Days of Future Past/X-Men Days of Future Past [hsbs].mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
             Assert.Single(result[0].Extras);
@@ -43,11 +45,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/X-Men Days of Future Past/X-Men Days of Future Past [banana].mp4"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
             Assert.Single(result[0].Extras);
@@ -63,11 +67,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/The Phantom of the Opera (1925)/The Phantom of the Opera (1925) - 1929 version.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
             Assert.Single(result[0].AlternateVersions);
@@ -87,11 +93,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/M/Movie 7.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(7, result.Count);
             Assert.Empty(result[0].Extras);
@@ -113,11 +121,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Movie/Movie-8.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
             Assert.Empty(result[0].Extras);
@@ -140,11 +150,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Mo/Movie 9.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(9, result.Count);
             Assert.Empty(result[0].Extras);
@@ -163,11 +175,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Movie/Movie 5.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(5, result.Count);
             Assert.Empty(result[0].Extras);
@@ -188,11 +202,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Iron Man/Iron Man (2011).mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(5, result.Count);
             Assert.Empty(result[0].Extras);
@@ -214,11 +230,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Iron Man/Iron Man[test].mkv",
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
             Assert.Empty(result[0].Extras);
@@ -243,11 +261,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Iron Man/Iron Man [test].mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
             Assert.Empty(result[0].Extras);
@@ -266,11 +286,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Iron Man/Iron Man - C (2007).mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(2, result.Count);
         }
@@ -289,11 +311,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Iron Man/Iron Man_3d.hsbs.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(7, result.Count);
             Assert.Empty(result[0].Extras);
@@ -314,11 +338,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Iron Man/Iron Man (2011).mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(5, result.Count);
             Assert.Empty(result[0].Extras);
@@ -334,11 +360,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/Blade Runner (1982)/Blade Runner (1982) [EE by ADM] [480p HEVC AAC,AAC,AAC].mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
             Assert.Empty(result[0].Extras);
@@ -354,11 +382,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/X-Men Apocalypse (2016)/X-Men Apocalypse (2016) [2160p] Blu-ray.x265.AAC.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
             Assert.Empty(result[0].Extras);
@@ -374,11 +404,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/John Wick - Kapitel 3 (2019) [imdbid=tt6146586]/John Wick - Kapitel 3 (2019) [imdbid=tt6146586] - Version 2.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
             Assert.Empty(result[0].Extras);
@@ -394,11 +426,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/movies/John Wick - Chapter 3 (2019)/John Wick - Chapter 3 (2019) [Version 2.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(2, result.Count);
         }
@@ -406,7 +440,7 @@ namespace Jellyfin.Naming.Tests.Video
         [Fact]
         public void TestEmptyList()
         {
-            var result = _videoListResolver.Resolve(new List<FileSystemMetadata>()).ToList();
+            var result = VideoListResolver.Resolve(new List<FileSystemMetadata>(), _namingOptions).ToList();
 
             Assert.Empty(result);
         }
diff --git a/tests/Jellyfin.Naming.Tests/Video/StubTests.cs b/tests/Jellyfin.Naming.Tests/Video/StubTests.cs
index 6e759c6d6..1d50df7a6 100644
--- a/tests/Jellyfin.Naming.Tests/Video/StubTests.cs
+++ b/tests/Jellyfin.Naming.Tests/Video/StubTests.cs
@@ -29,8 +29,7 @@ namespace Jellyfin.Naming.Tests.Video
         [Fact]
         public void TestStubName()
         {
-            var result =
-                new VideoResolver(_namingOptions).ResolveFile(@"C:/Users/media/Desktop/Video Test/Movies/Oblivion/Oblivion.dvd.disc");
+            var result = VideoResolver.ResolveFile(@"C:/Users/media/Desktop/Video Test/Movies/Oblivion/Oblivion.dvd.disc", _namingOptions);
 
             Assert.Equal("Oblivion", result?.Name);
         }
diff --git a/tests/Jellyfin.Naming.Tests/Video/VideoListResolverTests.cs b/tests/Jellyfin.Naming.Tests/Video/VideoListResolverTests.cs
index 08af76669..9e0776c3c 100644
--- a/tests/Jellyfin.Naming.Tests/Video/VideoListResolverTests.cs
+++ b/tests/Jellyfin.Naming.Tests/Video/VideoListResolverTests.cs
@@ -9,7 +9,7 @@ namespace Jellyfin.Naming.Tests.Video
 {
     public class VideoListResolverTests
     {
-        private readonly VideoListResolver _videoListResolver = new VideoListResolver(new NamingOptions());
+        private readonly NamingOptions _namingOptions = new NamingOptions();
 
         [Fact]
         public void TestStackAndExtras()
@@ -40,11 +40,13 @@ namespace Jellyfin.Naming.Tests.Video
                 "WillyWonka-trailer.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(5, result.Count);
             var batman = result.FirstOrDefault(x => string.Equals(x.Name, "Batman", StringComparison.Ordinal));
@@ -67,11 +69,13 @@ namespace Jellyfin.Naming.Tests.Video
                 "300.nfo"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -85,11 +89,13 @@ namespace Jellyfin.Naming.Tests.Video
                 "300 trailer.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -103,11 +109,13 @@ namespace Jellyfin.Naming.Tests.Video
                 "X-Men Days of Future Past-trailer.mp4"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -122,11 +130,13 @@ namespace Jellyfin.Naming.Tests.Video
                 "X-Men Days of Future Past-trailer2.mp4"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -140,11 +150,13 @@ namespace Jellyfin.Naming.Tests.Video
                 "Looper.2012.bluray.720p.x264.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -162,11 +174,13 @@ namespace Jellyfin.Naming.Tests.Video
                 "My video 5.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(5, result.Count);
         }
@@ -180,11 +194,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"M:/Movies (DVD)/Movies (Musical)/Sound of Music (1965)/Sound of Music Disc 2"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = true,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = true,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -199,11 +215,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"My movie #2.mp4"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = true,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = true,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(2, result.Count);
         }
@@ -218,11 +236,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"No (2012) part1-trailer.mp4"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -237,11 +257,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"No (2012)-trailer.mp4"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -257,11 +279,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"trailer.mp4"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -277,11 +301,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/MCFAMILY-PC/Private3$/Heterosexual/Breast In Class 2 Counterfeit Racks (2011)/Breast In Class 2 Disc 2 cd2.avi"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(2, result.Count);
         }
@@ -294,11 +320,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/nas-markrobbo78/Videos/INDEX HTPC/Movies/Watched/3 - ACTION/Argo (2012)/movie.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -311,11 +339,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"The Colony.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -329,11 +359,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"Four Sisters and a Wedding - B.avi"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -347,11 +379,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"Four Rooms - A.mp4"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(2, result.Count);
         }
@@ -365,11 +399,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/Server/Despicable Me/movie-trailer.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
@@ -385,11 +421,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/Server/Despicable Me/Baywatch (2017) - Trailer.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Equal(4, result.Count);
         }
@@ -403,11 +441,13 @@ namespace Jellyfin.Naming.Tests.Video
                 @"/Movies/Despicable Me/trailers/trailer.mkv"
             };
 
-            var result = _videoListResolver.Resolve(files.Select(i => new FileSystemMetadata
-            {
-                IsDirectory = false,
-                FullName = i
-            }).ToList()).ToList();
+            var result = VideoListResolver.Resolve(
+                files.Select(i => new FileSystemMetadata
+                {
+                    IsDirectory = false,
+                    FullName = i
+                }).ToList(),
+                _namingOptions).ToList();
 
             Assert.Single(result);
         }
diff --git a/tests/Jellyfin.Naming.Tests/Video/VideoResolverTests.cs b/tests/Jellyfin.Naming.Tests/Video/VideoResolverTests.cs
index 9bbbe2970..ac5a7a21e 100644
--- a/tests/Jellyfin.Naming.Tests/Video/VideoResolverTests.cs
+++ b/tests/Jellyfin.Naming.Tests/Video/VideoResolverTests.cs
@@ -9,7 +9,7 @@ namespace Jellyfin.Naming.Tests.Video
 {
     public class VideoResolverTests
     {
-        private readonly VideoResolver _videoResolver = new VideoResolver(new NamingOptions());
+        private static NamingOptions _namingOptions = new NamingOptions();
 
         public static IEnumerable<object[]> ResolveFile_ValidFileNameTestData()
         {
@@ -148,7 +148,7 @@ namespace Jellyfin.Naming.Tests.Video
             yield return new object[]
             {
                 new VideoFileInfo(
-                    path: @"/server/Movies/Rain Man 1988 REMASTERED 1080p BluRay x264 AAC - Ozlem/Rain Man 1988 REMASTERED 1080p BluRay x264 AAC - Ozlem.mp4",
+                    path: @"/server/Movies/Rain Man 1988 REMASTERED 1080p BluRay x264 AAC - JEFF/Rain Man 1988 REMASTERED 1080p BluRay x264 AAC - JEFF.mp4",
                     container: "mp4",
                     name: "Rain Man",
                     year: 1988)
@@ -159,27 +159,27 @@ namespace Jellyfin.Naming.Tests.Video
         [MemberData(nameof(ResolveFile_ValidFileNameTestData))]
         public void ResolveFile_ValidFileName_Success(VideoFileInfo expectedResult)
         {
-            var result = _videoResolver.ResolveFile(expectedResult.Path);
+            var result = VideoResolver.ResolveFile(expectedResult.Path, _namingOptions);
 
             Assert.NotNull(result);
-            Assert.Equal(result?.Path, expectedResult.Path);
-            Assert.Equal(result?.Container, expectedResult.Container);
-            Assert.Equal(result?.Name, expectedResult.Name);
-            Assert.Equal(result?.Year, expectedResult.Year);
-            Assert.Equal(result?.ExtraType, expectedResult.ExtraType);
-            Assert.Equal(result?.Format3D, expectedResult.Format3D);
-            Assert.Equal(result?.Is3D, expectedResult.Is3D);
-            Assert.Equal(result?.IsStub, expectedResult.IsStub);
-            Assert.Equal(result?.StubType, expectedResult.StubType);
-            Assert.Equal(result?.IsDirectory, expectedResult.IsDirectory);
-            Assert.Equal(result?.FileNameWithoutExtension, expectedResult.FileNameWithoutExtension);
-            Assert.Equal(result?.ToString(), expectedResult.ToString());
+            Assert.Equal(result!.Path, expectedResult.Path);
+            Assert.Equal(result.Container, expectedResult.Container);
+            Assert.Equal(result.Name, expectedResult.Name);
+            Assert.Equal(result.Year, expectedResult.Year);
+            Assert.Equal(result.ExtraType, expectedResult.ExtraType);
+            Assert.Equal(result.Format3D, expectedResult.Format3D);
+            Assert.Equal(result.Is3D, expectedResult.Is3D);
+            Assert.Equal(result.IsStub, expectedResult.IsStub);
+            Assert.Equal(result.StubType, expectedResult.StubType);
+            Assert.Equal(result.IsDirectory, expectedResult.IsDirectory);
+            Assert.Equal(result.FileNameWithoutExtension.ToString(), expectedResult.FileNameWithoutExtension.ToString());
+            Assert.Equal(result.ToString(), expectedResult.ToString());
         }
 
         [Fact]
         public void ResolveFile_EmptyPath()
         {
-            var result = _videoResolver.ResolveFile(string.Empty);
+            var result = VideoResolver.ResolveFile(string.Empty, _namingOptions);
 
             Assert.Null(result);
         }
@@ -194,12 +194,16 @@ namespace Jellyfin.Naming.Tests.Video
                 string.Empty
             };
 
-            var results = paths.Select(path => _videoResolver.ResolveDirectory(path)).ToList();
+            var results = paths.Select(path => VideoResolver.ResolveDirectory(path, _namingOptions)).ToList();
 
             Assert.Equal(3, results.Count);
             Assert.NotNull(results[0]);
             Assert.NotNull(results[1]);
             Assert.Null(results[2]);
+            foreach (var result in results)
+            {
+                Assert.Null(result?.Container);
+            }
         }
     }
 }
diff --git a/tests/Jellyfin.Networking.Tests/IPHostTests.cs b/tests/Jellyfin.Networking.Tests/IPHostTests.cs
new file mode 100644
index 000000000..ec3a1300c
--- /dev/null
+++ b/tests/Jellyfin.Networking.Tests/IPHostTests.cs
@@ -0,0 +1,53 @@
+using FsCheck;
+using FsCheck.Xunit;
+using MediaBrowser.Common.Net;
+using Xunit;
+
+namespace Jellyfin.Networking.Tests
+{
+    public static class IPHostTests
+    {
+        /// <summary>
+        /// Checks IP address formats.
+        /// </summary>
+        /// <param name="address">IP Address.</param>
+        [Theory]
+        [InlineData("127.0.0.1")]
+        [InlineData("127.0.0.1:123")]
+        [InlineData("localhost")]
+        [InlineData("localhost:1345")]
+        [InlineData("www.google.co.uk")]
+        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517")]
+        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517/56")]
+        [InlineData("[fd23:184f:2029:0:3139:7386:67d7:d517]:124")]
+        [InlineData("fe80::7add:12ff:febb:c67b%16")]
+        [InlineData("[fe80::7add:12ff:febb:c67b%16]:123")]
+        [InlineData("fe80::7add:12ff:febb:c67b%16:123")]
+        [InlineData("[fe80::7add:12ff:febb:c67b%16]")]
+        [InlineData("192.168.1.2/255.255.255.0")]
+        [InlineData("192.168.1.2/24")]
+        public static void TryParse_ValidHostStrings_True(string address)
+            => Assert.True(IPHost.TryParse(address, out _));
+
+        [Property]
+        public static Property TryParse_IPv4Address_True(IPv4Address address)
+            => IPHost.TryParse(address.Item.ToString(), out _).ToProperty();
+
+        [Property]
+        public static Property TryParse_IPv6Address_True(IPv6Address address)
+            => IPHost.TryParse(address.Item.ToString(), out _).ToProperty();
+
+        /// <summary>
+        /// All should be invalid address strings.
+        /// </summary>
+        /// <param name="address">Invalid address strings.</param>
+        [Theory]
+        [InlineData("256.128.0.0.0.1")]
+        [InlineData("127.0.0.1#")]
+        [InlineData("localhost!")]
+        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517:1231")]
+        [InlineData("[fd23:184f:2029:0:3139:7386:67d7:d517:1231]")]
+        public static void TryParse_InvalidAddressString_False(string address)
+            => Assert.False(IPHost.TryParse(address, out _));
+    }
+}
diff --git a/tests/Jellyfin.Networking.Tests/IPNetAddressTests.cs b/tests/Jellyfin.Networking.Tests/IPNetAddressTests.cs
new file mode 100644
index 000000000..aa2dbc57a
--- /dev/null
+++ b/tests/Jellyfin.Networking.Tests/IPNetAddressTests.cs
@@ -0,0 +1,49 @@
+using FsCheck;
+using FsCheck.Xunit;
+using MediaBrowser.Common.Net;
+using Xunit;
+
+namespace Jellyfin.Networking.Tests
+{
+    public static class IPNetAddressTests
+    {
+        /// <summary>
+        /// Checks IP address formats.
+        /// </summary>
+        /// <param name="address">IP Address.</param>
+        [Theory]
+        [InlineData("127.0.0.1")]
+        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517")]
+        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517/56")]
+        [InlineData("[fd23:184f:2029:0:3139:7386:67d7:d517]")]
+        [InlineData("fe80::7add:12ff:febb:c67b%16")]
+        [InlineData("[fe80::7add:12ff:febb:c67b%16]:123")]
+        [InlineData("fe80::7add:12ff:febb:c67b%16:123")]
+        [InlineData("[fe80::7add:12ff:febb:c67b%16]")]
+        [InlineData("192.168.1.2/255.255.255.0")]
+        [InlineData("192.168.1.2/24")]
+        public static void TryParse_ValidIPStrings_True(string address)
+            => Assert.True(IPNetAddress.TryParse(address, out _));
+
+        [Property]
+        public static Property TryParse_IPv4Address_True(IPv4Address address)
+            => IPNetAddress.TryParse(address.Item.ToString(), out _).ToProperty();
+
+        [Property]
+        public static Property TryParse_IPv6Address_True(IPv6Address address)
+            => IPNetAddress.TryParse(address.Item.ToString(), out _).ToProperty();
+
+        /// <summary>
+        /// All should be invalid address strings.
+        /// </summary>
+        /// <param name="address">Invalid address strings.</param>
+        [Theory]
+        [InlineData("256.128.0.0.0.1")]
+        [InlineData("127.0.0.1#")]
+        [InlineData("localhost!")]
+        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517:1231")]
+        [InlineData("[fd23:184f:2029:0:3139:7386:67d7:d517:1231]")]
+        public static void TryParse_InvalidAddressString_False(string address)
+            => Assert.False(IPNetAddress.TryParse(address, out _));
+    }
+}
diff --git a/tests/Jellyfin.Networking.Tests/Jellyfin.Networking.Tests.csproj b/tests/Jellyfin.Networking.Tests/Jellyfin.Networking.Tests.csproj
index a76c0e9a0..dd593c9e7 100644
--- a/tests/Jellyfin.Networking.Tests/Jellyfin.Networking.Tests.csproj
+++ b/tests/Jellyfin.Networking.Tests/Jellyfin.Networking.Tests.csproj
@@ -8,17 +8,15 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
+    <PackageReference Include="FsCheck.Xunit" Version="2.16.1" />
     <PackageReference Include="Moq" Version="4.16.1" />
   </ItemGroup>
 
diff --git a/tests/Jellyfin.Networking.Tests/NetworkManagerTests.cs b/tests/Jellyfin.Networking.Tests/NetworkManagerTests.cs
new file mode 100644
index 000000000..1cad625b7
--- /dev/null
+++ b/tests/Jellyfin.Networking.Tests/NetworkManagerTests.cs
@@ -0,0 +1,63 @@
+using System.Net;
+using Jellyfin.Networking.Configuration;
+using Jellyfin.Networking.Manager;
+using Microsoft.Extensions.Logging.Abstractions;
+using Xunit;
+
+namespace Jellyfin.Networking.Tests
+{
+    public class NetworkManagerTests
+    {
+        /// <summary>
+        /// Checks that the given IP address is in the specified network(s).
+        /// </summary>
+        /// <param name="network">Network address(es).</param>
+        /// <param name="value">The IP to check.</param>
+        [Theory]
+        [InlineData("192.168.2.1/24", "192.168.2.123")]
+        [InlineData("192.168.2.1/24, !192.168.2.122/32", "192.168.2.123")]
+        [InlineData("fd23:184f:2029:0::/56", "fd23:184f:2029:0:3139:7386:67d7:d517")]
+        [InlineData("fd23:184f:2029:0::/56, !fd23:184f:2029:0:3139:7386:67d7:d518/128", "fd23:184f:2029:0:3139:7386:67d7:d517")]
+        public void InNetwork_True_Success(string network, string value)
+        {
+            var ip = IPAddress.Parse(value);
+            var conf = new NetworkConfiguration()
+            {
+                EnableIPV6 = true,
+                EnableIPV4 = true,
+                LocalNetworkSubnets = network.Split(',')
+            };
+
+            using var networkManager = new NetworkManager(NetworkParseTests.GetMockConfig(conf), new NullLogger<NetworkManager>());
+
+            Assert.True(networkManager.IsInLocalNetwork(ip));
+        }
+
+        /// <summary>
+        /// Checks that thge given IP address is not in the network provided.
+        /// </summary>
+        /// <param name="network">Network address(es).</param>
+        /// <param name="value">The IP to check.</param>
+        [Theory]
+        [InlineData("192.168.10.0/24", "192.168.11.1")]
+        [InlineData("192.168.10.0/24, !192.168.10.60/32", "192.168.10.60")]
+        [InlineData("192.168.10.0/24", "fd23:184f:2029:0:3139:7386:67d7:d517")]
+        [InlineData("fd23:184f:2029:0::/56", "fd24:184f:2029:0:3139:7386:67d7:d517")]
+        [InlineData("fd23:184f:2029:0::/56, !fd23:184f:2029:0:3139:7386:67d7:d500/120", "fd23:184f:2029:0:3139:7386:67d7:d517")]
+        [InlineData("fd23:184f:2029:0::/56", "192.168.10.60")]
+        public void InNetwork_False_Success(string network, string value)
+        {
+            var ip = IPAddress.Parse(value);
+            var conf = new NetworkConfiguration()
+            {
+                EnableIPV6 = true,
+                EnableIPV4 = true,
+                LocalNetworkSubnets = network.Split(',')
+            };
+
+            using var nm = new NetworkManager(NetworkParseTests.GetMockConfig(conf), new NullLogger<NetworkManager>());
+
+            Assert.False(nm.IsInLocalNetwork(ip));
+        }
+    }
+}
diff --git a/tests/Jellyfin.Networking.Tests/NetworkParseTests.cs b/tests/Jellyfin.Networking.Tests/NetworkParseTests.cs
index c3469035e..97c14d463 100644
--- a/tests/Jellyfin.Networking.Tests/NetworkParseTests.cs
+++ b/tests/Jellyfin.Networking.Tests/NetworkParseTests.cs
@@ -13,7 +13,7 @@ namespace Jellyfin.Networking.Tests
 {
     public class NetworkParseTests
     {
-        private static IConfigurationManager GetMockConfig(NetworkConfiguration conf)
+        internal static IConfigurationManager GetMockConfig(NetworkConfiguration conf)
         {
             var configManager = new Mock<IConfigurationManager>
             {
@@ -34,10 +34,12 @@ namespace Jellyfin.Networking.Tests
         [InlineData("192.168.1.208/24,-16,eth16|200.200.200.200/24,11,eth11", "192.168.1.0/24;200.200.200.0/24", "[192.168.1.208/24,200.200.200.200/24]")]
         // eth16 only
         [InlineData("192.168.1.208/24,-16,eth16|200.200.200.200/24,11,eth11", "192.168.1.0/24", "[192.168.1.208/24]")]
-        // All interfaces excluded.
-        [InlineData("192.168.1.208/24,-16,vEthernet1|192.168.2.208/24,-16,vEthernet212|200.200.200.200/24,11,eth11", "192.168.1.0/24", "[]")]
+        // All interfaces excluded. (including loopbacks)
+        [InlineData("192.168.1.208/24,-16,vEthernet1|192.168.2.208/24,-16,vEthernet212|200.200.200.200/24,11,eth11", "192.168.1.0/24", "[127.0.0.1/8,::1/128]")]
         // vEthernet1 and vEthernet212 should be excluded.
-        [InlineData("192.168.1.200/24,-20,vEthernet1|192.168.2.208/24,-16,vEthernet212|200.200.200.200/24,11,eth11", "192.168.1.0/24;200.200.200.200/24", "[200.200.200.200/24]")]
+        [InlineData("192.168.1.200/24,-20,vEthernet1|192.168.2.208/24,-16,vEthernet212|200.200.200.200/24,11,eth11", "192.168.1.0/24;200.200.200.200/24", "[200.200.200.200/24,127.0.0.1/8,::1/128]")]
+        // Overlapping interface,
+        [InlineData("192.168.1.110/24,-20,br0|192.168.1.10/24,-16,br0|200.200.200.200/24,11,eth11", "192.168.1.0/24", "[192.168.1.110/24,192.168.1.10/24]")]
         public void IgnoreVirtualInterfaces(string interfaces, string lan, string value)
         {
             var conf = new NetworkConfiguration()
@@ -55,92 +57,6 @@ namespace Jellyfin.Networking.Tests
         }
 
         /// <summary>
-        /// Check that the value given is in the network provided.
-        /// </summary>
-        /// <param name="network">Network address.</param>
-        /// <param name="value">Value to check.</param>
-        [Theory]
-        [InlineData("192.168.10.0/24, !192.168.10.60/32", "192.168.10.60")]
-        public void IsInNetwork(string network, string value)
-        {
-            if (network == null)
-            {
-                throw new ArgumentNullException(nameof(network));
-            }
-
-            var conf = new NetworkConfiguration()
-            {
-                EnableIPV6 = true,
-                EnableIPV4 = true,
-                LocalNetworkSubnets = network.Split(',')
-            };
-
-            using var nm = new NetworkManager(GetMockConfig(conf), new NullLogger<NetworkManager>());
-
-            Assert.False(nm.IsInLocalNetwork(value));
-        }
-
-        /// <summary>
-        /// Checks IP address formats.
-        /// </summary>
-        /// <param name="address"></param>
-        [Theory]
-        [InlineData("127.0.0.1")]
-        [InlineData("127.0.0.1:123")]
-        [InlineData("localhost")]
-        [InlineData("localhost:1345")]
-        [InlineData("www.google.co.uk")]
-        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517")]
-        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517/56")]
-        [InlineData("[fd23:184f:2029:0:3139:7386:67d7:d517]:124")]
-        [InlineData("fe80::7add:12ff:febb:c67b%16")]
-        [InlineData("[fe80::7add:12ff:febb:c67b%16]:123")]
-        [InlineData("fe80::7add:12ff:febb:c67b%16:123")]
-        [InlineData("[fe80::7add:12ff:febb:c67b%16]")]
-        [InlineData("192.168.1.2/255.255.255.0")]
-        [InlineData("192.168.1.2/24")]
-        public void ValidHostStrings(string address)
-        {
-            Assert.True(IPHost.TryParse(address, out _));
-        }
-
-        /// <summary>
-        /// Checks IP address formats.
-        /// </summary>
-        /// <param name="address"></param>
-        [Theory]
-        [InlineData("127.0.0.1")]
-        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517")]
-        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517/56")]
-        [InlineData("[fd23:184f:2029:0:3139:7386:67d7:d517]")]
-        [InlineData("fe80::7add:12ff:febb:c67b%16")]
-        [InlineData("[fe80::7add:12ff:febb:c67b%16]:123")]
-        [InlineData("fe80::7add:12ff:febb:c67b%16:123")]
-        [InlineData("[fe80::7add:12ff:febb:c67b%16]")]
-        [InlineData("192.168.1.2/255.255.255.0")]
-        [InlineData("192.168.1.2/24")]
-        public void ValidIPStrings(string address)
-        {
-            Assert.True(IPNetAddress.TryParse(address, out _));
-        }
-
-        /// <summary>
-        /// All should be invalid address strings.
-        /// </summary>
-        /// <param name="address">Invalid address strings.</param>
-        [Theory]
-        [InlineData("256.128.0.0.0.1")]
-        [InlineData("127.0.0.1#")]
-        [InlineData("localhost!")]
-        [InlineData("fd23:184f:2029:0:3139:7386:67d7:d517:1231")]
-        [InlineData("[fd23:184f:2029:0:3139:7386:67d7:d517:1231]")]
-        public void InvalidAddressString(string address)
-        {
-            Assert.False(IPNetAddress.TryParse(address, out _));
-            Assert.False(IPHost.TryParse(address, out _));
-        }
-
-        /// <summary>
         /// Test collection parsing.
         /// </summary>
         /// <param name="settings">Collection to parse.</param>
@@ -201,29 +117,29 @@ namespace Jellyfin.Networking.Tests
             using var nm = new NetworkManager(GetMockConfig(conf), new NullLogger<NetworkManager>());
 
             // Test included.
-            Collection<IPObject> nc = nm.CreateIPCollection(settings.Split(","), false);
+            Collection<IPObject> nc = nm.CreateIPCollection(settings.Split(','), false);
             Assert.Equal(nc.AsString(), result1);
 
             // Test excluded.
-            nc = nm.CreateIPCollection(settings.Split(","), true);
+            nc = nm.CreateIPCollection(settings.Split(','), true);
             Assert.Equal(nc.AsString(), result3);
 
             conf.EnableIPV6 = false;
             nm.UpdateSettings(conf);
 
             // Test IP4 included.
-            nc = nm.CreateIPCollection(settings.Split(","), false);
+            nc = nm.CreateIPCollection(settings.Split(','), false);
             Assert.Equal(nc.AsString(), result2);
 
             // Test IP4 excluded.
-            nc = nm.CreateIPCollection(settings.Split(","), true);
+            nc = nm.CreateIPCollection(settings.Split(','), true);
             Assert.Equal(nc.AsString(), result4);
 
             conf.EnableIPV6 = true;
             nm.UpdateSettings(conf);
 
             // Test network addresses of collection.
-            nc = nm.CreateIPCollection(settings.Split(","), false);
+            nc = nm.CreateIPCollection(settings.Split(','), false);
             nc = nc.AsNetworks();
             Assert.Equal(nc.AsString(), result5);
         }
@@ -262,10 +178,10 @@ namespace Jellyfin.Networking.Tests
 
             using var nm = new NetworkManager(GetMockConfig(conf), new NullLogger<NetworkManager>());
 
-            Collection<IPObject> nc1 = nm.CreateIPCollection(settings.Split(","), false);
-            Collection<IPObject> nc2 = nm.CreateIPCollection(compare.Split(","), false);
+            Collection<IPObject> nc1 = nm.CreateIPCollection(settings.Split(','), false);
+            Collection<IPObject> nc2 = nm.CreateIPCollection(compare.Split(','), false);
 
-            Assert.Equal(nc1.Union(nc2).AsString(), result);
+            Assert.Equal(nc1.ThatAreContainedInNetworks(nc2).AsString(), result);
         }
 
         [Theory]
@@ -372,10 +288,10 @@ namespace Jellyfin.Networking.Tests
             using var nm = new NetworkManager(GetMockConfig(conf), new NullLogger<NetworkManager>());
 
             // Test included, IP6.
-            Collection<IPObject> ncSource = nm.CreateIPCollection(source.Split(","));
-            Collection<IPObject> ncDest = nm.CreateIPCollection(dest.Split(","));
-            Collection<IPObject> ncResult = ncSource.Union(ncDest);
-            Collection<IPObject> resultCollection = nm.CreateIPCollection(result.Split(","));
+            Collection<IPObject> ncSource = nm.CreateIPCollection(source.Split(','));
+            Collection<IPObject> ncDest = nm.CreateIPCollection(dest.Split(','));
+            Collection<IPObject> ncResult = ncSource.ThatAreContainedInNetworks(ncDest);
+            Collection<IPObject> resultCollection = nm.CreateIPCollection(result.Split(','));
             Assert.True(ncResult.Compare(resultCollection));
         }
 
@@ -408,6 +324,9 @@ namespace Jellyfin.Networking.Tests
         [InlineData("jellyfin.org", "eth16", false, "eth16")]
         // User on external network, no binding - so result is the 1st external.
         [InlineData("jellyfin.org", "", false, "eth11")]
+        // Dns failure - should skip the test.
+        // https://en.wikipedia.org/wiki/.test
+        [InlineData("invalid.domain.test", "", false, "eth11")]
         // User assumed to be internal, no binding - so result is the 1st internal.
         [InlineData("", "", false, "eth16")]
         public void TestBindInterfaces(string source, string bindAddresses, bool ipv6enabled, string result)
@@ -440,10 +359,13 @@ namespace Jellyfin.Networking.Tests
 
             _ = nm.TryParseInterface(result, out Collection<IPObject>? resultObj);
 
-            if (resultObj != null)
+            // Check to see if dns resolution is working. If not, skip test.
+            _ = IPHost.TryParse(source, out var host);
+
+            if (resultObj != null && host?.HasAddress == true)
             {
                 result = ((IPNetAddress)resultObj[0]).ToString(true);
-                var intf = nm.GetBindInterface(source, out int? _);
+                var intf = nm.GetBindInterface(source, out _);
 
                 Assert.Equal(intf, result);
             }
@@ -514,5 +436,45 @@ namespace Jellyfin.Networking.Tests
 
             Assert.Equal(intf, result);
         }
+
+        [Theory]
+        [InlineData("185.10.10.10,200.200.200.200", "79.2.3.4", true)]
+        [InlineData("185.10.10.10", "185.10.10.10", false)]
+        [InlineData("", "100.100.100.100", false)]
+
+        public void HasRemoteAccess_GivenWhitelist_AllowsOnlyIpsInWhitelist(string addresses, string remoteIp, bool denied)
+        {
+            // Comma separated list of IP addresses or IP/netmask entries for networks that will be allowed to connect remotely.
+            // If left blank, all remote addresses will be allowed.
+            var conf = new NetworkConfiguration()
+            {
+                EnableIPV4 = true,
+                RemoteIPFilter = addresses.Split(','),
+                IsRemoteIPFilterBlacklist = false
+            };
+            using var nm = new NetworkManager(GetMockConfig(conf), new NullLogger<NetworkManager>());
+
+            Assert.NotEqual(nm.HasRemoteAccess(IPAddress.Parse(remoteIp)), denied);
+        }
+
+        [Theory]
+        [InlineData("185.10.10.10", "79.2.3.4", false)]
+        [InlineData("185.10.10.10", "185.10.10.10", true)]
+        [InlineData("", "100.100.100.100", false)]
+        public void HasRemoteAccess_GivenBlacklist_BlacklistTheIps(string addresses, string remoteIp, bool denied)
+        {
+            // Comma separated list of IP addresses or IP/netmask entries for networks that will be allowed to connect remotely.
+            // If left blank, all remote addresses will be allowed.
+            var conf = new NetworkConfiguration()
+            {
+                EnableIPV4 = true,
+                RemoteIPFilter = addresses.Split(','),
+                IsRemoteIPFilterBlacklist = true
+            };
+
+            using var nm = new NetworkManager(GetMockConfig(conf), new NullLogger<NetworkManager>());
+
+            Assert.NotEqual(nm.HasRemoteAccess(IPAddress.Parse(remoteIp)), denied);
+        }
     }
 }
diff --git a/tests/Jellyfin.Providers.Tests/Jellyfin.Providers.Tests.csproj b/tests/Jellyfin.Providers.Tests/Jellyfin.Providers.Tests.csproj
new file mode 100644
index 000000000..d9e33617b
--- /dev/null
+++ b/tests/Jellyfin.Providers.Tests/Jellyfin.Providers.Tests.csproj
@@ -0,0 +1,34 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+    <IsPackable>false</IsPackable>
+    <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
+    <PackageReference Include="Moq" Version="4.16.1" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.1.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <!-- Code Analyzers -->
+  <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <PackageReference Include="SerilogAnalyzer" Version="0.15.0" PrivateAssets="All" />
+    <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" PrivateAssets="All" />
+    <PackageReference Include="SmartAnalyzers.MultithreadingAnalyzer" Version="1.1.31" PrivateAssets="All" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../../MediaBrowser.Providers/MediaBrowser.Providers.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/tests/Jellyfin.Providers.Tests/MediaInfo/SubtitleResolverTests.cs b/tests/Jellyfin.Providers.Tests/MediaInfo/SubtitleResolverTests.cs
new file mode 100644
index 000000000..b160e676e
--- /dev/null
+++ b/tests/Jellyfin.Providers.Tests/MediaInfo/SubtitleResolverTests.cs
@@ -0,0 +1,96 @@
+#pragma warning disable CA1002 // Do not expose generic lists
+
+using System.Collections.Generic;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Globalization;
+using MediaBrowser.Providers.MediaInfo;
+using Moq;
+using Xunit;
+
+namespace Jellyfin.Providers.Tests.MediaInfo
+{
+    public class SubtitleResolverTests
+    {
+        public static IEnumerable<object[]> AddExternalSubtitleStreams_GivenMixedFilenames_ReturnsValidSubtitles_TestData()
+        {
+            var index = 0;
+            yield return new object[]
+            {
+                new List<MediaStream>(),
+                "/video/My.Video.mkv",
+                index,
+                new[]
+                {
+                    "/video/My.Video.mp3",
+                    "/video/My.Video.png",
+                    "/video/My.Video.srt",
+                    "/video/My.Video.txt",
+                    "/video/My.Video.vtt",
+                    "/video/My.Video.ass",
+                    "/video/My.Video.sub",
+                    "/video/My.Video.ssa",
+                    "/video/My.Video.smi",
+                    "/video/My.Video.sami",
+                    "/video/My.Video.en.srt",
+                    "/video/My.Video.default.en.srt",
+                    "/video/My.Video.default.forced.en.srt",
+                    "/video/My.Video.en.default.forced.srt",
+                    "/video/My.Video.With.Additional.Garbage.en.srt",
+                    "/video/My.Video With Additional Garbage.srt"
+                },
+                new[]
+                {
+                    CreateMediaStream("/video/My.Video.srt", "srt", null, index++),
+                    CreateMediaStream("/video/My.Video.vtt", "vtt", null, index++),
+                    CreateMediaStream("/video/My.Video.ass", "ass", null, index++),
+                    CreateMediaStream("/video/My.Video.sub", "sub", null, index++),
+                    CreateMediaStream("/video/My.Video.ssa", "ssa", null, index++),
+                    CreateMediaStream("/video/My.Video.smi", "smi", null, index++),
+                    CreateMediaStream("/video/My.Video.sami", "sami", null, index++),
+                    CreateMediaStream("/video/My.Video.en.srt", "srt", "en", index++),
+                    CreateMediaStream("/video/My.Video.default.en.srt", "srt", "en", index++, isDefault: true),
+                    CreateMediaStream("/video/My.Video.default.forced.en.srt", "srt", "en", index++, isForced: true, isDefault: true),
+                    CreateMediaStream("/video/My.Video.en.default.forced.srt", "srt", "en", index++, isForced: true, isDefault: true),
+                    CreateMediaStream("/video/My.Video.With.Additional.Garbage.en.srt", "srt", "en", index),
+                }
+            };
+        }
+
+        [Theory]
+        [MemberData(nameof(AddExternalSubtitleStreams_GivenMixedFilenames_ReturnsValidSubtitles_TestData))]
+        public void AddExternalSubtitleStreams_GivenMixedFilenames_ReturnsValidSubtitles(List<MediaStream> streams, string videoPath, int startIndex, string[] files, MediaStream[] expectedResult)
+        {
+            new SubtitleResolver(Mock.Of<ILocalizationManager>()).AddExternalSubtitleStreams(streams, videoPath, startIndex, files);
+
+            Assert.Equal(expectedResult.Length, streams.Count);
+            for (var i = 0; i < expectedResult.Length; i++)
+            {
+                var expected = expectedResult[i];
+                var actual = streams[i];
+
+                Assert.Equal(expected.Index, actual.Index);
+                Assert.Equal(expected.Type, actual.Type);
+                Assert.Equal(expected.IsExternal, actual.IsExternal);
+                Assert.Equal(expected.Path, actual.Path);
+                Assert.Equal(expected.IsDefault, actual.IsDefault);
+                Assert.Equal(expected.IsForced, actual.IsForced);
+                Assert.Equal(expected.Language, actual.Language);
+            }
+        }
+
+        private static MediaStream CreateMediaStream(string path, string codec, string? language, int index, bool isForced = false, bool isDefault = false)
+        {
+            return new ()
+            {
+                Index = index,
+                Codec = codec,
+                Type = MediaStreamType.Subtitle,
+                IsExternal = true,
+                Path = path,
+                IsDefault = isDefault,
+                IsForced = isForced,
+                Language = language
+            };
+        }
+    }
+}
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonOmdbConverterTests.cs b/tests/Jellyfin.Providers.Tests/Omdb/JsonOmdbConverterTests.cs
index efe8063a0..25900bc09 100644
--- a/tests/Jellyfin.Common.Tests/Json/JsonOmdbConverterTests.cs
+++ b/tests/Jellyfin.Providers.Tests/Omdb/JsonOmdbConverterTests.cs
@@ -1,10 +1,9 @@
 using System.Text.Json;
 using System.Text.Json.Serialization;
-using MediaBrowser.Common.Json.Converters;
 using MediaBrowser.Providers.Plugins.Omdb;
 using Xunit;
 
-namespace Jellyfin.Common.Tests.Json
+namespace Jellyfin.Providers.Tests.Omdb
 {
     public class JsonOmdbConverterTests
     {
diff --git a/tests/Jellyfin.Providers.Tests/Tmdb/TmdbUtilsTests.cs b/tests/Jellyfin.Providers.Tests/Tmdb/TmdbUtilsTests.cs
new file mode 100644
index 000000000..f6a7c676f
--- /dev/null
+++ b/tests/Jellyfin.Providers.Tests/Tmdb/TmdbUtilsTests.cs
@@ -0,0 +1,27 @@
+using MediaBrowser.Providers.Plugins.Tmdb;
+using Xunit;
+
+namespace Jellyfin.Providers.Tests.Tmdb
+{
+    public static class TmdbUtilsTests
+    {
+        [Theory]
+        [InlineData("de", "de")]
+        [InlineData("En", "En")]
+        [InlineData("de-de", "de-DE")]
+        [InlineData("en-US", "en-US")]
+        [InlineData("de-CH", "de")]
+        public static void NormalizeLanguage_Valid_Success(string input, string expected)
+        {
+            Assert.Equal(expected, TmdbUtils.NormalizeLanguage(input));
+        }
+
+        [Theory]
+        [InlineData(null, null)]
+        [InlineData("", "")]
+        public static void NormalizeLanguage_Invalid_Equal(string? input, string? expected)
+        {
+            Assert.Equal(expected, TmdbUtils.NormalizeLanguage(input!));
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Data/SqliteItemRepositoryTests.cs b/tests/Jellyfin.Server.Implementations.Tests/Data/SqliteItemRepositoryTests.cs
new file mode 100644
index 000000000..a6e1dfe8f
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/Data/SqliteItemRepositoryTests.cs
@@ -0,0 +1,302 @@
+using System;
+using System.Collections.Generic;
+using AutoFixture;
+using AutoFixture.AutoMoq;
+using Emby.Server.Implementations.Data;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Entities;
+using Moq;
+using Xunit;
+
+namespace Jellyfin.Server.Implementations.Tests.Data
+{
+    public class SqliteItemRepositoryTests
+    {
+        public const string VirtualMetaDataPath = "%MetadataPath%";
+        public const string MetaDataPath = "/meta/data/path";
+
+        private readonly IFixture _fixture;
+        private readonly SqliteItemRepository _sqliteItemRepository;
+
+        public SqliteItemRepositoryTests()
+        {
+            var appHost = new Mock<IServerApplicationHost>();
+            appHost.Setup(x => x.ExpandVirtualPath(It.IsAny<string>()))
+                .Returns((string x) => x.Replace(VirtualMetaDataPath, MetaDataPath, StringComparison.Ordinal));
+            appHost.Setup(x => x.ReverseVirtualPath(It.IsAny<string>()))
+                .Returns((string x) => x.Replace(MetaDataPath, VirtualMetaDataPath, StringComparison.Ordinal));
+
+            _fixture = new Fixture().Customize(new AutoMoqCustomization { ConfigureMembers = true });
+            _fixture.Inject(appHost);
+            _sqliteItemRepository = _fixture.Create<SqliteItemRepository>();
+        }
+
+        public static IEnumerable<object[]> ItemImageInfoFromValueString_Valid_TestData()
+        {
+            yield return new object[]
+            {
+                "/mnt/series/Family Guy/Season 1/Family Guy - S01E01-thumb.jpg*637452096478512963*Primary*1920*1080*WjQbtJtSO8nhNZ%L_Io#R/oaS6o}-;adXAoIn7j[%hW9s:WGw[nN",
+                new ItemImageInfo
+                {
+                    Path = "/mnt/series/Family Guy/Season 1/Family Guy - S01E01-thumb.jpg",
+                    Type = ImageType.Primary,
+                    DateModified = new DateTime(637452096478512963, DateTimeKind.Utc),
+                    Width = 1920,
+                    Height = 1080,
+                    BlurHash = "WjQbtJtSO8nhNZ%L_Io#R*oaS6o}-;adXAoIn7j[%hW9s:WGw[nN"
+                }
+            };
+
+            yield return new object[]
+            {
+                "https://image.tmdb.org/t/p/original/zhB5CHEgqqh4wnEqDNJLfWXJlcL.jpg*0*Primary*0*0",
+                new ItemImageInfo
+                {
+                    Path = "https://image.tmdb.org/t/p/original/zhB5CHEgqqh4wnEqDNJLfWXJlcL.jpg",
+                    Type = ImageType.Primary,
+                }
+            };
+
+            yield return new object[]
+            {
+                "https://image.tmdb.org/t/p/original/zhB5CHEgqqh4wnEqDNJLfWXJlcL.jpg*0*Primary",
+                new ItemImageInfo
+                {
+                    Path = "https://image.tmdb.org/t/p/original/zhB5CHEgqqh4wnEqDNJLfWXJlcL.jpg",
+                    Type = ImageType.Primary,
+                }
+            };
+
+            yield return new object[]
+            {
+                "https://image.tmdb.org/t/p/original/zhB5CHEgqqh4wnEqDNJLfWXJlcL.jpg*0*Primary*600",
+                new ItemImageInfo
+                {
+                    Path = "https://image.tmdb.org/t/p/original/zhB5CHEgqqh4wnEqDNJLfWXJlcL.jpg",
+                    Type = ImageType.Primary,
+                }
+            };
+
+            yield return new object[]
+            {
+                "%MetadataPath%/library/68/68578562b96c80a7ebd530848801f645/poster.jpg*637264380567586027*Primary*600*336",
+                new ItemImageInfo
+                {
+                    Path = "/meta/data/path/library/68/68578562b96c80a7ebd530848801f645/poster.jpg",
+                    Type = ImageType.Primary,
+                    DateModified = new DateTime(637264380567586027, DateTimeKind.Utc),
+                    Width = 600,
+                    Height = 336
+                }
+            };
+        }
+
+        [Theory]
+        [MemberData(nameof(ItemImageInfoFromValueString_Valid_TestData))]
+        public void ItemImageInfoFromValueString_Valid_Success(string value, ItemImageInfo expected)
+        {
+            var result = _sqliteItemRepository.ItemImageInfoFromValueString(value);
+            Assert.Equal(expected.Path, result.Path);
+            Assert.Equal(expected.Type, result.Type);
+            Assert.Equal(expected.DateModified, result.DateModified);
+            Assert.Equal(expected.Width, result.Width);
+            Assert.Equal(expected.Height, result.Height);
+            Assert.Equal(expected.BlurHash, result.BlurHash);
+        }
+
+        [Theory]
+        [InlineData("")]
+        [InlineData("*")]
+        [InlineData("https://image.tmdb.org/t/p/original/zhB5CHEgqqh4wnEqDNJLfWXJlcL.jpg*0")]
+        [InlineData("/mnt/series/Family Guy/Season 1/Family Guy - S01E01-thumb.jpg*6374520964785129080*WjQbtJtSO8nhNZ%L_Io#R/oaS<o}-;adXAoIn7j[%hW9s:WGw[nN")] // Invalid modified date
+        [InlineData("/mnt/series/Family Guy/Season 1/Family Guy - S01E01-thumb.jpg*-637452096478512963*WjQbtJtSO8nhNZ%L_Io#R/oaS<o}-;adXAoIn7j[%hW9s:WGw[nN")] // Negative modified date
+        [InlineData("/mnt/series/Family Guy/Season 1/Family Guy - S01E01-thumb.jpg*637452096478512963*Invalid*1920*1080*WjQbtJtSO8nhNZ%L_Io#R/oaS6o}-;adXAoIn7j[%hW9s:WGw[nN")] // Invalid type
+        public void ItemImageInfoFromValueString_Invalid_Null(string value)
+        {
+            Assert.Null(_sqliteItemRepository.ItemImageInfoFromValueString(value));
+        }
+
+        public static IEnumerable<object[]> DeserializeImages_Valid_TestData()
+        {
+            yield return new object[]
+            {
+                "/mnt/series/Family Guy/Season 1/Family Guy - S01E01-thumb.jpg*637452096478512963*Primary*1920*1080*WjQbtJtSO8nhNZ%L_Io#R/oaS6o}-;adXAoIn7j[%hW9s:WGw[nN",
+                new ItemImageInfo[]
+                {
+                    new ItemImageInfo()
+                    {
+                        Path = "/mnt/series/Family Guy/Season 1/Family Guy - S01E01-thumb.jpg",
+                        Type = ImageType.Primary,
+                        DateModified = new DateTime(637452096478512963, DateTimeKind.Utc),
+                        Width = 1920,
+                        Height = 1080,
+                        BlurHash = "WjQbtJtSO8nhNZ%L_Io#R*oaS6o}-;adXAoIn7j[%hW9s:WGw[nN"
+                    }
+                }
+            };
+
+            yield return new object[]
+            {
+                "%MetadataPath%/library/2a/2a27372f1e9bc757b1db99721bbeae1e/poster.jpg*637261226720645297*Primary*0*0|%MetadataPath%/library/2a/2a27372f1e9bc757b1db99721bbeae1e/logo.png*637261226720805297*Logo*0*0|%MetadataPath%/library/2a/2a27372f1e9bc757b1db99721bbeae1e/landscape.jpg*637261226721285297*Thumb*0*0|%MetadataPath%/library/2a/2a27372f1e9bc757b1db99721bbeae1e/backdrop.jpg*637261226721685297*Backdrop*0*0",
+                new ItemImageInfo[]
+                {
+                    new ItemImageInfo()
+                    {
+                        Path = "/meta/data/path/library/2a/2a27372f1e9bc757b1db99721bbeae1e/poster.jpg",
+                        Type = ImageType.Primary,
+                        DateModified = new DateTime(637261226720645297, DateTimeKind.Utc),
+                    },
+                    new ItemImageInfo()
+                    {
+                        Path = "/meta/data/path/library/2a/2a27372f1e9bc757b1db99721bbeae1e/logo.png",
+                        Type = ImageType.Logo,
+                        DateModified = new DateTime(637261226720805297, DateTimeKind.Utc),
+                    },
+                    new ItemImageInfo()
+                    {
+                        Path = "/meta/data/path/library/2a/2a27372f1e9bc757b1db99721bbeae1e/landscape.jpg",
+                        Type = ImageType.Thumb,
+                        DateModified = new DateTime(637261226721285297, DateTimeKind.Utc),
+                    },
+                    new ItemImageInfo()
+                    {
+                        Path = "/meta/data/path/library/2a/2a27372f1e9bc757b1db99721bbeae1e/backdrop.jpg",
+                        Type = ImageType.Backdrop,
+                        DateModified = new DateTime(637261226721685297, DateTimeKind.Utc),
+                    }
+                }
+            };
+        }
+
+        public static IEnumerable<object[]> DeserializeImages_ValidAndInvalid_TestData()
+        {
+            yield return new object[]
+            {
+                string.Empty,
+                Array.Empty<ItemImageInfo>()
+            };
+
+            yield return new object[]
+            {
+                "/mnt/series/Family Guy/Season 1/Family Guy - S01E01-thumb.jpg*637452096478512963*Primary*1920*1080*WjQbtJtSO8nhNZ%L_Io#R/oaS6o}-;adXAoIn7j[%hW9s:WGw[nN|test|1234||ss",
+                new ItemImageInfo[]
+                {
+                    new ()
+                    {
+                        Path = "/mnt/series/Family Guy/Season 1/Family Guy - S01E01-thumb.jpg",
+                        Type = ImageType.Primary,
+                        DateModified = new DateTime(637452096478512963, DateTimeKind.Utc),
+                        Width = 1920,
+                        Height = 1080,
+                        BlurHash = "WjQbtJtSO8nhNZ%L_Io#R*oaS6o}-;adXAoIn7j[%hW9s:WGw[nN"
+                    }
+                }
+            };
+
+            yield return new object[]
+            {
+                "|",
+                Array.Empty<ItemImageInfo>()
+            };
+        }
+
+        [Theory]
+        [MemberData(nameof(DeserializeImages_Valid_TestData))]
+        public void DeserializeImages_Valid_Success(string value, ItemImageInfo[] expected)
+        {
+            var result = _sqliteItemRepository.DeserializeImages(value);
+            Assert.Equal(expected.Length, result.Length);
+            for (int i = 0; i < expected.Length; i++)
+            {
+                Assert.Equal(expected[i].Path, result[i].Path);
+                Assert.Equal(expected[i].Type, result[i].Type);
+                Assert.Equal(expected[i].DateModified, result[i].DateModified);
+                Assert.Equal(expected[i].Width, result[i].Width);
+                Assert.Equal(expected[i].Height, result[i].Height);
+                Assert.Equal(expected[i].BlurHash, result[i].BlurHash);
+            }
+        }
+
+        [Theory]
+        [MemberData(nameof(DeserializeImages_ValidAndInvalid_TestData))]
+        public void DeserializeImages_ValidAndInvalid_Success(string value, ItemImageInfo[] expected)
+        {
+            var result = _sqliteItemRepository.DeserializeImages(value);
+            Assert.Equal(expected.Length, result.Length);
+            for (int i = 0; i < expected.Length; i++)
+            {
+                Assert.Equal(expected[i].Path, result[i].Path);
+                Assert.Equal(expected[i].Type, result[i].Type);
+                Assert.Equal(expected[i].DateModified, result[i].DateModified);
+                Assert.Equal(expected[i].Width, result[i].Width);
+                Assert.Equal(expected[i].Height, result[i].Height);
+                Assert.Equal(expected[i].BlurHash, result[i].BlurHash);
+            }
+        }
+
+        [Theory]
+        [MemberData(nameof(DeserializeImages_Valid_TestData))]
+        public void SerializeImages_Valid_Success(string expected, ItemImageInfo[] value)
+        {
+            Assert.Equal(expected, _sqliteItemRepository.SerializeImages(value));
+        }
+
+        public static IEnumerable<object[]> DeserializeProviderIds_Valid_TestData()
+        {
+            yield return new object[]
+            {
+                "Imdb=tt0119567",
+                new Dictionary<string, string>()
+                {
+                    { "Imdb", "tt0119567" },
+                }
+            };
+
+            yield return new object[]
+            {
+                "Imdb=tt0119567|Tmdb=330|TmdbCollection=328",
+                new Dictionary<string, string>()
+                {
+                    { "Imdb", "tt0119567" },
+                    { "Tmdb", "330" },
+                    { "TmdbCollection", "328" },
+                }
+            };
+
+            yield return new object[]
+            {
+                "MusicBrainzAlbum=9d363e43-f24f-4b39-bc5a-7ef305c677c7|MusicBrainzReleaseGroup=63eba062-847c-3b73-8b0f-6baf27bba6fa|AudioDbArtist=111352|AudioDbAlbum=2116560|MusicBrainzAlbumArtist=20244d07-534f-4eff-b4d4-930878889970",
+                new Dictionary<string, string>()
+                {
+                    { "MusicBrainzAlbum", "9d363e43-f24f-4b39-bc5a-7ef305c677c7" },
+                    { "MusicBrainzReleaseGroup", "63eba062-847c-3b73-8b0f-6baf27bba6fa" },
+                    { "AudioDbArtist", "111352" },
+                    { "AudioDbAlbum", "2116560" },
+                    { "MusicBrainzAlbumArtist", "20244d07-534f-4eff-b4d4-930878889970" },
+                }
+            };
+        }
+
+        [Theory]
+        [MemberData(nameof(DeserializeProviderIds_Valid_TestData))]
+        public void DeserializeProviderIds_Valid_Success(string value, Dictionary<string, string> expected)
+        {
+            var result = new ProviderIdsExtensionsTestsObject();
+            SqliteItemRepository.DeserializeProviderIds(value, result);
+            Assert.Equal(expected, result.ProviderIds);
+        }
+
+        [Theory]
+        [MemberData(nameof(DeserializeProviderIds_Valid_TestData))]
+        public void SerializeProviderIds_Valid_Success(string expected, Dictionary<string, string> values)
+        {
+            Assert.Equal(expected, SqliteItemRepository.SerializeProviderIds(values));
+        }
+
+        private class ProviderIdsExtensionsTestsObject : IHasProviderIds
+        {
+            public Dictionary<string, string> ProviderIds { get; set; } = new Dictionary<string, string>();
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/IO/ManagedFileSystemTests.cs b/tests/Jellyfin.Server.Implementations.Tests/IO/ManagedFileSystemTests.cs
index 671c59b2e..d991f5574 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/IO/ManagedFileSystemTests.cs
+++ b/tests/Jellyfin.Server.Implementations.Tests/IO/ManagedFileSystemTests.cs
@@ -1,7 +1,10 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
+using System.Runtime.InteropServices;
 using AutoFixture;
 using AutoFixture.AutoMoq;
 using Emby.Server.Implementations.IO;
-using MediaBrowser.Model.System;
 using Xunit;
 
 namespace Jellyfin.Server.Implementations.Tests.IO
@@ -28,7 +31,7 @@ namespace Jellyfin.Server.Implementations.Tests.IO
         {
             var generatedPath = _sut.MakeAbsolutePath(folderPath, filePath);
 
-            if (MediaBrowser.Common.System.OperatingSystem.Id == OperatingSystemId.Windows)
+            if (OperatingSystem.IsWindows())
             {
                 var expectedWindowsPath = expectedAbsolutePath.Replace('/', '\\');
                 Assert.Equal(expectedWindowsPath, generatedPath.Split(':')[1]);
@@ -38,5 +41,36 @@ namespace Jellyfin.Server.Implementations.Tests.IO
                 Assert.Equal(expectedAbsolutePath, generatedPath);
             }
         }
+
+        [Theory]
+        [InlineData("ValidFileName", "ValidFileName")]
+        [InlineData("AC/DC", "AC DC")]
+        [InlineData("Invalid\0", "Invalid ")]
+        [InlineData("AC/DC\0KD/A", "AC DC KD A")]
+        public void GetValidFilename_ReturnsValidFilename(string filename, string expectedFileName)
+        {
+            Assert.Equal(expectedFileName, _sut.GetValidFilename(filename));
+        }
+
+        [SkippableFact]
+        public void GetFileInfo_DanglingSymlink_ExistsFalse()
+        {
+            Skip.If(OperatingSystem.IsWindows());
+
+            string testFileDir = Path.Combine(Path.GetTempPath(), "jellyfin-test-data");
+            string testFileName = Path.Combine(testFileDir, Path.GetRandomFileName() + "-danglingsym.link");
+
+            Directory.CreateDirectory(testFileDir);
+            Assert.Equal(0, symlink("thispathdoesntexist", testFileName));
+            Assert.True(File.Exists(testFileName));
+
+            var metadata = _sut.GetFileInfo(testFileName);
+            Assert.False(metadata.Exists);
+        }
+
+        [SuppressMessage("Naming Rules", "SA1300:ElementMustBeginWithUpperCaseLetter", Justification = "Have to")]
+        [DllImport("libc", SetLastError = true, CharSet = CharSet.Ansi)]
+        [DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
+        private static extern int symlink(string target, string linkpath);
     }
 }
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Jellyfin.Server.Implementations.Tests.csproj b/tests/Jellyfin.Server.Implementations.Tests/Jellyfin.Server.Implementations.Tests.csproj
index c3c258b68..9b6ab7bdf 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/Jellyfin.Server.Implementations.Tests.csproj
+++ b/tests/Jellyfin.Server.Implementations.Tests/Jellyfin.Server.Implementations.Tests.csproj
@@ -8,9 +8,6 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
     <RootNamespace>Jellyfin.Server.Implementations.Tests</RootNamespace>
   </PropertyGroup>
@@ -22,13 +19,14 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoFixture" Version="4.15.0" />
-    <PackageReference Include="AutoFixture.AutoMoq" Version="4.15.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="AutoFixture" Version="4.17.0" />
+    <PackageReference Include="AutoFixture.AutoMoq" Version="4.17.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="Moq" Version="4.16.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="Xunit.SkippableFact" Version="1.4.13" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
   </ItemGroup>
 
   <!-- Code Analyzers -->
@@ -41,6 +39,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\Emby.Server.Implementations\Emby.Server.Implementations.csproj" />
     <ProjectReference Include="..\..\Jellyfin.Server.Implementations\Jellyfin.Server.Implementations.csproj" />
+    <ProjectReference Include="..\Jellyfin.Server.Integration.Tests\Jellyfin.Server.Integration.Tests.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Library/EpisodeResolverTest.cs b/tests/Jellyfin.Server.Implementations.Tests/Library/EpisodeResolverTest.cs
new file mode 100644
index 000000000..c393742eb
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/Library/EpisodeResolverTest.cs
@@ -0,0 +1,72 @@
+using System;
+using Emby.Server.Implementations.Library.Resolvers.TV;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.IO;
+using Moq;
+using Xunit;
+
+namespace Jellyfin.Server.Implementations.Tests.Library
+{
+    public class EpisodeResolverTest
+    {
+        [Fact]
+        public void Resolve_GivenVideoInExtrasFolder_DoesNotResolveToEpisode()
+        {
+            var season = new Season { Name = "Season 1" };
+            var parent = new Folder { Name = "extras" };
+            var libraryManagerMock = new Mock<ILibraryManager>();
+            libraryManagerMock.Setup(x => x.GetItemById(It.IsAny<Guid>())).Returns(season);
+
+            var episodeResolver = new EpisodeResolver(libraryManagerMock.Object);
+            var itemResolveArgs = new ItemResolveArgs(
+                Mock.Of<IServerApplicationPaths>(),
+                Mock.Of<IDirectoryService>())
+            {
+                Parent = parent,
+                CollectionType = CollectionType.TvShows,
+                FileInfo = new FileSystemMetadata()
+                {
+                    FullName = "All My Children/Season 01/Extras/All My Children S01E01 - Behind The Scenes.mkv"
+                }
+            };
+
+            Assert.Null(episodeResolver.Resolve(itemResolveArgs));
+        }
+
+        [Fact]
+        public void Resolve_GivenVideoInExtrasSeriesFolder_ResolvesToEpisode()
+        {
+            var series = new Series { Name = "Extras" };
+
+            // Have to create a mock because of moq proxies not being castable to a concrete implementation
+            // https://github.com/jellyfin/jellyfin/blob/ab0cff8556403e123642dc9717ba778329554634/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs#L48
+            var episodeResolver = new EpisodeResolverMock(Mock.Of<ILibraryManager>());
+            var itemResolveArgs = new ItemResolveArgs(
+                Mock.Of<IServerApplicationPaths>(),
+                Mock.Of<IDirectoryService>())
+            {
+                Parent = series,
+                CollectionType = CollectionType.TvShows,
+                FileInfo = new FileSystemMetadata()
+                {
+                    FullName = "Extras/Extras S01E01.mkv"
+                }
+            };
+            Assert.NotNull(episodeResolver.Resolve(itemResolveArgs));
+        }
+
+        private class EpisodeResolverMock : EpisodeResolver
+        {
+            public EpisodeResolverMock(ILibraryManager libraryManager) : base(libraryManager)
+            {
+            }
+
+            protected override TVideoType ResolveVideo<TVideoType>(ItemResolveArgs args, bool parseName) => new ();
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs b/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs
index e5508243f..c5cc056f5 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs
+++ b/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs
@@ -33,6 +33,7 @@ namespace Jellyfin.Server.Implementations.Tests.Library
         [InlineData("C:\\Users\\jeff\\myfile.mkv", "C:\\Users/jeff", "/home/jeff/", "/home/jeff/myfile.mkv")]
         [InlineData("C:\\Users\\jeff\\myfile.mkv", "C:\\Users/jeff/", "/home/jeff/", "/home/jeff/myfile.mkv")]
         [InlineData("C:\\Users\\jeff\\myfile.mkv", "C:\\Users/jeff/", "/", "/myfile.mkv")]
+        [InlineData("/o", "/o", "/s", "/s")] // regression test for #5977
         public void TryReplaceSubPath_ValidArgs_Correct(string path, string subPath, string newSubPath, string? expectedResult)
         {
             Assert.True(PathExtensions.TryReplaceSubPath(path, subPath, newSubPath, out var result));
diff --git a/tests/Jellyfin.Server.Implementations.Tests/LiveTv/HdHomerunHostTests.cs b/tests/Jellyfin.Server.Implementations.Tests/LiveTv/HdHomerunHostTests.cs
index 8847239d9..c859d11c6 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/LiveTv/HdHomerunHostTests.cs
+++ b/tests/Jellyfin.Server.Implementations.Tests/LiveTv/HdHomerunHostTests.cs
@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using System.Net.Http;
+using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using AutoFixture;
@@ -15,8 +16,6 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
 {
     public class HdHomerunHostTests
     {
-        private const string TestIp = "http://192.168.1.182";
-
         private readonly Fixture _fixture;
         private readonly HdHomerunHost _hdHomerunHost;
 
@@ -30,7 +29,7 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
                     {
                         return Task.FromResult(new HttpResponseMessage()
                         {
-                            Content = new StreamContent(File.OpenRead("Test Data/LiveTv/" + m.RequestUri?.Segments[^1]))
+                            Content = new StreamContent(File.OpenRead(Path.Combine("Test Data/LiveTv", m.RequestUri!.Host, m.RequestUri.Segments[^1])))
                         });
                     });
 
@@ -50,7 +49,7 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
         {
             var host = new TunerHostInfo()
             {
-                Url = TestIp
+                Url = "192.168.1.182"
             };
 
             var modelInfo = await _hdHomerunHost.GetModelInfo(host, true, CancellationToken.None).ConfigureAwait(false);
@@ -66,6 +65,26 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
         }
 
         [Fact]
+        public async Task GetModelInfo_Legacy_Success()
+        {
+            var host = new TunerHostInfo()
+            {
+                Url = "10.10.10.100"
+            };
+
+            var modelInfo = await _hdHomerunHost.GetModelInfo(host, true, CancellationToken.None).ConfigureAwait(false);
+            Assert.Equal("HDHomeRun DUAL", modelInfo.FriendlyName);
+            Assert.Equal("HDHR3-US", modelInfo.ModelNumber);
+            Assert.Equal("hdhomerun3_atsc", modelInfo.FirmwareName);
+            Assert.Equal("20200225", modelInfo.FirmwareVersion);
+            Assert.Equal("10xxxxx5", modelInfo.DeviceID);
+            Assert.Null(modelInfo.DeviceAuth);
+            Assert.Equal(2, modelInfo.TunerCount);
+            Assert.Equal("http://10.10.10.100:80", modelInfo.BaseURL);
+            Assert.Null(modelInfo.LineupURL);
+        }
+
+        [Fact]
         public async Task GetModelInfo_EmptyUrl_ArgumentException()
         {
             var host = new TunerHostInfo()
@@ -81,7 +100,7 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
         {
             var host = new TunerHostInfo()
             {
-                Url = TestIp
+                Url = "192.168.1.182"
             };
 
             var channels = await _hdHomerunHost.GetLineup(host, CancellationToken.None).ConfigureAwait(false);
@@ -94,11 +113,23 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
         }
 
         [Fact]
+        public async Task GetLineup_Legacy_Success()
+        {
+            var host = new TunerHostInfo()
+            {
+                Url = "10.10.10.100"
+            };
+
+            // Placeholder json is invalid, just need to make sure we can reach it
+            await Assert.ThrowsAsync<JsonException>(() => _hdHomerunHost.GetLineup(host, CancellationToken.None));
+        }
+
+        [Fact]
         public async Task GetLineup_ImportFavoritesOnly_Success()
         {
             var host = new TunerHostInfo()
             {
-                Url = TestIp,
+                Url = "192.168.1.182",
                 ImportFavoritesOnly = true
             };
 
@@ -114,9 +145,9 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
         [Fact]
         public async Task TryGetTunerHostInfo_Valid_Success()
         {
-            var host = await _hdHomerunHost.TryGetTunerHostInfo(TestIp, CancellationToken.None).ConfigureAwait(false);
+            var host = await _hdHomerunHost.TryGetTunerHostInfo("192.168.1.182", CancellationToken.None).ConfigureAwait(false);
             Assert.Equal(_hdHomerunHost.Type, host.Type);
-            Assert.Equal(TestIp, host.Url);
+            Assert.Equal("192.168.1.182", host.Url);
             Assert.Equal("HDHomeRun PRIME", host.FriendlyName);
             Assert.Equal("FFFFFFFF", host.DeviceId);
             Assert.Equal(3, host.TunerCount);
diff --git a/tests/Jellyfin.Server.Implementations.Tests/LiveTv/HdHomerunManagerTests.cs b/tests/Jellyfin.Server.Implementations.Tests/LiveTv/HdHomerunManagerTests.cs
index 7e04a1ec1..fd499d9cf 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/LiveTv/HdHomerunManagerTests.cs
+++ b/tests/Jellyfin.Server.Implementations.Tests/LiveTv/HdHomerunManagerTests.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Text;
 using Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun;
 using Xunit;
 
@@ -17,8 +18,9 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
             Span<byte> buffer = stackalloc byte[128];
             int len = HdHomerunManager.WriteNullTerminatedString(buffer, string.Empty);
 
-            Assert.Equal(expected.Length, len);
-            Assert.True(expected.SequenceEqual(buffer.Slice(0, len)));
+            Assert.Equal(
+                Convert.ToHexString(expected),
+                Convert.ToHexString(buffer.Slice(0, len)));
         }
 
         [Fact]
@@ -32,8 +34,9 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
             Span<byte> buffer = stackalloc byte[128];
             int len = HdHomerunManager.WriteNullTerminatedString(buffer, "The quick");
 
-            Assert.Equal(expected.Length, len);
-            Assert.True(expected.SequenceEqual(buffer.Slice(0, len)));
+            Assert.Equal(
+                Convert.ToHexString(expected),
+                Convert.ToHexString(buffer.Slice(0, len)));
         }
 
         [Fact]
@@ -51,8 +54,273 @@ namespace Jellyfin.Server.Implementations.Tests.LiveTv
             Span<byte> buffer = stackalloc byte[128];
             int len = HdHomerunManager.WriteGetMessage(buffer, 0, "N");
 
-            Assert.Equal(expected.Length, len);
-            Assert.True(expected.SequenceEqual(buffer.Slice(0, len)));
+            Assert.Equal(
+                Convert.ToHexString(expected),
+                Convert.ToHexString(buffer.Slice(0, len)));
+        }
+
+        [Fact]
+        public void WriteSetMessage_NoLockKey_Success()
+        {
+            ReadOnlySpan<byte> expected = stackalloc byte[]
+            {
+                0, 4,
+                0, 20,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0xa9, 0x49, 0xd0, 0x68
+            };
+
+            Span<byte> buffer = stackalloc byte[128];
+            int len = HdHomerunManager.WriteSetMessage(buffer, 0, "N", "value", null);
+
+            Assert.Equal(
+                Convert.ToHexString(expected),
+                Convert.ToHexString(buffer.Slice(0, len)));
+        }
+
+        [Fact]
+        public void WriteSetMessage_LockKey_Success()
+        {
+            ReadOnlySpan<byte> expected = stackalloc byte[]
+            {
+                0, 4,
+                0, 26,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                21,
+                4, 0x00, 0x01, 0x38, 0xd5,
+                0x8e, 0xb6, 0x06, 0x82
+            };
+
+            Span<byte> buffer = stackalloc byte[128];
+            int len = HdHomerunManager.WriteSetMessage(buffer, 0, "N", "value", 80085);
+
+            Assert.Equal(
+                Convert.ToHexString(expected),
+                Convert.ToHexString(buffer.Slice(0, len)));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_Valid_Success()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 20,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0x7d, 0xa3, 0xa3, 0xf3
+            };
+
+            Assert.True(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out var value));
+            Assert.Equal("value", Encoding.UTF8.GetString(value));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_InvalidCrc_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 20,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0x7d, 0xa3, 0xa3, 0xf4
+            };
+
+            Assert.False(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out _));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_InvalidPacketType_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 4,
+                0, 20,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0xa9, 0x49, 0xd0, 0x68
+            };
+
+            Assert.False(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out _));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_InvalidPacket_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 20,
+                0x7d, 0xa3, 0xa3
+            };
+
+            Assert.False(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out _));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_TooSmallMessageLength_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 19,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0x25, 0x25, 0x44, 0x9a
+            };
+
+            Assert.False(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out _));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_TooLargeMessageLength_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 21,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0xe3, 0x20, 0x79, 0x6c
+            };
+
+            Assert.False(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out _));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_TooLargeNameLength_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 20,
+                3,
+                20, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0xe1, 0x8e, 0x9c, 0x74
+            };
+
+            Assert.False(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out _));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_InvalidGetSetNameTag_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 20,
+                4,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0xee, 0x05, 0xe7, 0x12
+            };
+
+            Assert.False(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out _));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_InvalidGetSetValueTag_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 20,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                3,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0x64, 0xaa, 0x66, 0xf9
+            };
+
+            Assert.False(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out _));
+        }
+
+        [Fact]
+        public void TryGetReturnValueOfGetSet_TooLargeValueLength_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 20,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                7, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0xc9, 0xa8, 0xd4, 0x55
+            };
+
+            Assert.False(HdHomerunManager.TryGetReturnValueOfGetSet(packet, out _));
+        }
+
+        [Fact]
+        public void VerifyReturnValueOfGetSet_Valid_True()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 20,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0x7d, 0xa3, 0xa3, 0xf3
+            };
+
+            Assert.True(HdHomerunManager.VerifyReturnValueOfGetSet(packet, "value"));
+        }
+
+        [Fact]
+        public void VerifyReturnValueOfGetSet_WrongValue_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 5,
+                0, 20,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0x7d, 0xa3, 0xa3, 0xf3
+            };
+
+            Assert.False(HdHomerunManager.VerifyReturnValueOfGetSet(packet, "none"));
+        }
+
+        [Fact]
+        public void VerifyReturnValueOfGetSet_InvalidPacket_False()
+        {
+            ReadOnlySpan<byte> packet = new byte[]
+            {
+                0, 4,
+                0, 20,
+                3,
+                10, (byte)'/', (byte)'t', (byte)'u', (byte)'n', (byte)'e', (byte)'r', (byte)'0', (byte)'/', (byte)'N', 0,
+                4,
+                6, (byte)'v', (byte)'a', (byte)'l', (byte)'u', (byte)'e', 0,
+                0x7d, 0xa3, 0xa3, 0xf3
+            };
+
+            Assert.False(HdHomerunManager.VerifyReturnValueOfGetSet(packet, "value"));
         }
     }
 }
diff --git a/tests/Jellyfin.Server.Implementations.Tests/LiveTv/RecordingHelperTests.cs b/tests/Jellyfin.Server.Implementations.Tests/LiveTv/RecordingHelperTests.cs
new file mode 100644
index 000000000..e8b93b437
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/LiveTv/RecordingHelperTests.cs
@@ -0,0 +1,115 @@
+using System;
+using System.Collections.Generic;
+using Emby.Server.Implementations.LiveTv.EmbyTV;
+using MediaBrowser.Controller.LiveTv;
+using Xunit;
+
+namespace Jellyfin.Server.Implementations.Tests.LiveTv
+{
+    public static class RecordingHelperTests
+    {
+        public static IEnumerable<object[]> GetRecordingName_Success_TestData()
+        {
+            yield return new object[]
+            {
+                "The Incredibles 2020_04_20_21_06_00",
+                new TimerInfo
+                {
+                    Name = "The Incredibles",
+                    StartDate = new DateTime(2020, 4, 20, 21, 6, 0, DateTimeKind.Local),
+                    IsMovie = true
+                }
+            };
+
+            yield return new object[]
+            {
+                "The Incredibles (2004)",
+                new TimerInfo
+                {
+                    Name = "The Incredibles",
+                    IsMovie = true,
+                    ProductionYear = 2004
+                }
+            };
+
+            yield return new object[]
+            {
+                "The Big Bang Theory 2020_04_20_21_06_00",
+                new TimerInfo
+                {
+                    Name = "The Big Bang Theory",
+                    StartDate = new DateTime(2020, 4, 20, 21, 6, 0, DateTimeKind.Local),
+                    IsProgramSeries = true,
+                }
+            };
+
+            yield return new object[]
+            {
+                "The Big Bang Theory S12E10",
+                new TimerInfo
+                {
+                    Name = "The Big Bang Theory",
+                    IsProgramSeries = true,
+                    SeasonNumber = 12,
+                    EpisodeNumber = 10
+                }
+            };
+
+            yield return new object[]
+            {
+                "The Big Bang Theory S12E10 The VCR Illumination",
+                new TimerInfo
+                {
+                    Name = "The Big Bang Theory",
+                    IsProgramSeries = true,
+                    SeasonNumber = 12,
+                    EpisodeNumber = 10,
+                    EpisodeTitle = "The VCR Illumination"
+                }
+            };
+
+            yield return new object[]
+            {
+                "The Big Bang Theory 2018-12-06",
+                new TimerInfo
+                {
+                    Name = "The Big Bang Theory",
+                    IsProgramSeries = true,
+                    OriginalAirDate = new DateTime(2018, 12, 6)
+                }
+            };
+
+            yield return new object[]
+            {
+                "The Big Bang Theory 2018-12-06 - The VCR Illumination",
+                new TimerInfo
+                {
+                    Name = "The Big Bang Theory",
+                    IsProgramSeries = true,
+                    OriginalAirDate = new DateTime(2018, 12, 6),
+                    EpisodeTitle = "The VCR Illumination"
+                }
+            };
+
+            yield return new object[]
+            {
+                "The Big Bang Theory 2018_12_06_21_06_00 - The VCR Illumination",
+                new TimerInfo
+                {
+                    Name = "The Big Bang Theory",
+                    StartDate = new DateTime(2018, 12, 6, 21, 6, 0, DateTimeKind.Local),
+                    IsProgramSeries = true,
+                    OriginalAirDate = new DateTime(2018, 12, 6),
+                    EpisodeTitle = "The VCR Illumination"
+                }
+            };
+        }
+
+        [Theory]
+        [MemberData(nameof(GetRecordingName_Success_TestData))]
+        public static void GetRecordingName_Success(string expected, TimerInfo timerInfo)
+        {
+            Assert.Equal(expected, RecordingHelper.GetRecordingName(timerInfo));
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Localization/LocalizationManagerTests.cs b/tests/Jellyfin.Server.Implementations.Tests/Localization/LocalizationManagerTests.cs
new file mode 100644
index 000000000..143020d43
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/Localization/LocalizationManagerTests.cs
@@ -0,0 +1,179 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using Emby.Server.Implementations.Localization;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Model.Configuration;
+using Microsoft.Extensions.Logging.Abstractions;
+using Moq;
+using Xunit;
+
+namespace Jellyfin.Server.Implementations.Tests.Localization
+{
+    public class LocalizationManagerTests
+    {
+        [Fact]
+        public void GetCountries_All_Success()
+        {
+            var localizationManager = Setup(new ServerConfiguration
+            {
+                UICulture = "de-DE"
+            });
+            var countries = localizationManager.GetCountries().ToList();
+
+            Assert.Equal(139, countries.Count);
+
+            var germany = countries.FirstOrDefault(x => x.Name.Equals("DE", StringComparison.Ordinal));
+            Assert.NotNull(germany);
+            Assert.Equal("Germany", germany!.DisplayName);
+            Assert.Equal("DEU", germany.ThreeLetterISORegionName);
+            Assert.Equal("DE", germany.TwoLetterISORegionName);
+        }
+
+        [Fact]
+        public async Task GetCultures_All_Success()
+        {
+            var localizationManager = Setup(new ServerConfiguration
+            {
+                UICulture = "de-DE"
+            });
+            await localizationManager.LoadAll();
+            var cultures = localizationManager.GetCultures().ToList();
+
+            Assert.Equal(189, cultures.Count);
+
+            var germany = cultures.FirstOrDefault(x => x.TwoLetterISOLanguageName.Equals("de", StringComparison.Ordinal));
+            Assert.NotNull(germany);
+            Assert.Equal("ger", germany!.ThreeLetterISOLanguageName);
+            Assert.Equal("German", germany.DisplayName);
+            Assert.Equal("German", germany.Name);
+            Assert.Contains("deu", germany.ThreeLetterISOLanguageNames);
+            Assert.Contains("ger", germany.ThreeLetterISOLanguageNames);
+        }
+
+        [Theory]
+        [InlineData("de")]
+        [InlineData("ger")]
+        [InlineData("german")]
+        public async Task FindLanguageInfo_Valid_Success(string identifier)
+        {
+            var localizationManager = Setup(new ServerConfiguration
+            {
+                UICulture = "de-DE"
+            });
+            await localizationManager.LoadAll();
+
+            var germany = localizationManager.FindLanguageInfo(identifier);
+            Assert.NotNull(germany);
+
+            Assert.Equal("ger", germany!.ThreeLetterISOLanguageName);
+            Assert.Equal("German", germany.DisplayName);
+            Assert.Equal("German", germany.Name);
+            Assert.Contains("deu", germany.ThreeLetterISOLanguageNames);
+            Assert.Contains("ger", germany.ThreeLetterISOLanguageNames);
+        }
+
+        [Fact]
+        public async Task GetParentalRatings_Default_Success()
+        {
+            var localizationManager = Setup(new ServerConfiguration
+            {
+                UICulture = "de-DE"
+            });
+            await localizationManager.LoadAll();
+            var ratings = localizationManager.GetParentalRatings().ToList();
+
+            Assert.Equal(23, ratings.Count);
+
+            var tvma = ratings.FirstOrDefault(x => x.Name.Equals("TV-MA", StringComparison.Ordinal));
+            Assert.NotNull(tvma);
+            Assert.Equal(9, tvma!.Value);
+        }
+
+        [Fact]
+        public async Task GetParentalRatings_ConfiguredCountryCode_Success()
+        {
+            var localizationManager = Setup(new ServerConfiguration()
+            {
+                MetadataCountryCode = "DE"
+            });
+            await localizationManager.LoadAll();
+            var ratings = localizationManager.GetParentalRatings().ToList();
+
+            Assert.Equal(10, ratings.Count);
+
+            var fsk = ratings.FirstOrDefault(x => x.Name.Equals("FSK-12", StringComparison.Ordinal));
+            Assert.NotNull(fsk);
+            Assert.Equal(7, fsk!.Value);
+        }
+
+        [Theory]
+        [InlineData("CA-R", "CA", 10)]
+        [InlineData("FSK-16", "DE", 8)]
+        [InlineData("FSK-18", "DE", 9)]
+        [InlineData("FSK-18", "US", 9)]
+        [InlineData("TV-MA", "US", 9)]
+        [InlineData("XXX", "asdf", 100)]
+        [InlineData("Germany: FSK-18", "DE", 9)]
+        public async Task GetRatingLevel_GivenValidString_Success(string value, string countryCode, int expectedLevel)
+        {
+            var localizationManager = Setup(new ServerConfiguration()
+            {
+                MetadataCountryCode = countryCode
+            });
+            await localizationManager.LoadAll();
+            var level = localizationManager.GetRatingLevel(value);
+            Assert.NotNull(level);
+            Assert.Equal(expectedLevel, level!);
+        }
+
+        [Fact]
+        public async Task GetRatingLevel_GivenUnratedString_Success()
+        {
+            var localizationManager = Setup(new ServerConfiguration()
+            {
+                UICulture = "de-DE"
+            });
+            await localizationManager.LoadAll();
+            Assert.Null(localizationManager.GetRatingLevel("n/a"));
+        }
+
+        [Theory]
+        [InlineData("Default", "Default")]
+        [InlineData("HeaderLiveTV", "Live TV")]
+        public void GetLocalizedString_Valid_Success(string key, string expected)
+        {
+            var localizationManager = Setup(new ServerConfiguration()
+            {
+                UICulture = "en-US"
+            });
+
+            var translated = localizationManager.GetLocalizedString(key);
+            Assert.NotNull(translated);
+            Assert.Equal(expected, translated);
+        }
+
+        [Fact]
+        public void GetLocalizedString_Invalid_Success()
+        {
+            var localizationManager = Setup(new ServerConfiguration()
+            {
+                UICulture = "en-US"
+            });
+
+            var key = "SuperInvalidTranslationKeyThatWillNeverBeAdded";
+
+            var translated = localizationManager.GetLocalizedString(key);
+            Assert.NotNull(translated);
+            Assert.Equal(key, translated);
+        }
+
+        private LocalizationManager Setup(ServerConfiguration config)
+        {
+            var mockConfiguration = new Mock<IServerConfigurationManager>();
+            mockConfiguration.SetupGet(x => x.Configuration).Returns(config);
+
+            return new LocalizationManager(mockConfiguration.Object, new NullLogger<LocalizationManager>());
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/QuickConnect/QuickConnectManagerTests.cs b/tests/Jellyfin.Server.Implementations.Tests/QuickConnect/QuickConnectManagerTests.cs
new file mode 100644
index 000000000..043363ae3
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/QuickConnect/QuickConnectManagerTests.cs
@@ -0,0 +1,90 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using AutoFixture;
+using AutoFixture.AutoMoq;
+using Emby.Server.Implementations.QuickConnect;
+using MediaBrowser.Controller.Authentication;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Net;
+using MediaBrowser.Model.Configuration;
+using Moq;
+using Xunit;
+
+namespace Jellyfin.Server.Implementations.Tests.QuickConnect
+{
+    public class QuickConnectManagerTests
+    {
+        private static readonly AuthorizationInfo _quickConnectAuthInfo = new AuthorizationInfo
+        {
+            Device = "Device",
+            DeviceId = "DeviceId",
+            Client = "Client",
+            Version = "1.0.0"
+        };
+
+        private readonly Fixture _fixture;
+        private readonly ServerConfiguration _config;
+        private readonly QuickConnectManager _quickConnectManager;
+
+        public QuickConnectManagerTests()
+        {
+            _config = new ServerConfiguration();
+            var configManager = new Mock<IServerConfigurationManager>();
+            configManager.Setup(x => x.Configuration).Returns(_config);
+
+            _fixture = new Fixture();
+            _fixture.Customize(new AutoMoqCustomization
+            {
+                ConfigureMembers = true
+            }).Inject(configManager.Object);
+
+            // User object contains circular references.
+            _fixture.Behaviors.OfType<ThrowingRecursionBehavior>().ToList()
+                .ForEach(b => _fixture.Behaviors.Remove(b));
+            _fixture.Behaviors.Add(new OmitOnRecursionBehavior());
+
+            _quickConnectManager = _fixture.Create<QuickConnectManager>();
+        }
+
+        [Fact]
+        public void IsEnabled_QuickConnectUnavailable_False()
+            => Assert.False(_quickConnectManager.IsEnabled);
+
+        [Fact]
+        public void TryConnect_QuickConnectUnavailable_ThrowsAuthenticationException()
+            => Assert.Throws<AuthenticationException>(() => _quickConnectManager.TryConnect(_quickConnectAuthInfo));
+
+        [Fact]
+        public void CheckRequestStatus_QuickConnectUnavailable_ThrowsAuthenticationException()
+            => Assert.Throws<AuthenticationException>(() => _quickConnectManager.CheckRequestStatus(string.Empty));
+
+        [Fact]
+        public void AuthorizeRequest_QuickConnectUnavailable_ThrowsAuthenticationException()
+            => Assert.ThrowsAsync<AuthenticationException>(() => _quickConnectManager.AuthorizeRequest(Guid.Empty, string.Empty));
+
+        [Fact]
+        public void IsEnabled_QuickConnectAvailable_True()
+        {
+            _config.QuickConnectAvailable = true;
+            Assert.True(_quickConnectManager.IsEnabled);
+        }
+
+        [Fact]
+        public void CheckRequestStatus_QuickConnectAvailable_Success()
+        {
+            _config.QuickConnectAvailable = true;
+            var res1 = _quickConnectManager.TryConnect(_quickConnectAuthInfo);
+            var res2 = _quickConnectManager.CheckRequestStatus(res1.Secret);
+            Assert.Equal(res1, res2);
+        }
+
+        [Fact]
+        public async Task AuthorizeRequest_QuickConnectAvailable_Success()
+        {
+            _config.QuickConnectAvailable = true;
+            var res = _quickConnectManager.TryConnect(_quickConnectAuthInfo);
+            Assert.True(await _quickConnectManager.AuthorizeRequest(Guid.Empty, res.Code));
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Sorting/AiredEpisodeOrderComparerTests.cs b/tests/Jellyfin.Server.Implementations.Tests/Sorting/AiredEpisodeOrderComparerTests.cs
new file mode 100644
index 000000000..d9b206f66
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/Sorting/AiredEpisodeOrderComparerTests.cs
@@ -0,0 +1,180 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using Emby.Server.Implementations.Sorting;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Movies;
+using MediaBrowser.Controller.Entities.TV;
+using Xunit;
+
+namespace Jellyfin.Server.Implementations.Tests.Sorting
+{
+    public class AiredEpisodeOrderComparerTests
+    {
+        [Theory]
+        [ClassData(typeof(EpisodeBadData))]
+        public void Compare_GivenNull_ThrowsArgumentNullException(BaseItem x, BaseItem y)
+        {
+            var cmp = new AiredEpisodeOrderComparer();
+            Assert.Throws<ArgumentNullException>(() => cmp.Compare(x, y));
+        }
+
+        [Theory]
+        [ClassData(typeof(EpisodeTestData))]
+        public void AiredEpisodeOrderCompareTest(BaseItem x, BaseItem y, int expected)
+        {
+            var cmp = new AiredEpisodeOrderComparer();
+
+            Assert.Equal(expected, cmp.Compare(x, y));
+            Assert.Equal(-expected, cmp.Compare(y, x));
+        }
+
+        private class EpisodeBadData : IEnumerable<object?[]>
+        {
+            public IEnumerator<object?[]> GetEnumerator()
+            {
+                yield return new object?[] { null, new Episode() };
+                yield return new object?[] { new Episode(), null };
+            }
+
+            IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+        }
+
+        private class EpisodeTestData : IEnumerable<object?[]>
+        {
+            public IEnumerator<object?[]> GetEnumerator()
+            {
+                yield return new object?[]
+                {
+                    new Movie(),
+                    new Movie(),
+                    0
+                };
+                yield return new object?[]
+                {
+                    new Movie(),
+                    new Episode(),
+                    1
+                };
+                // Good cases
+                yield return new object?[]
+                {
+                    new Episode(),
+                    new Episode(),
+                    0
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 1 },
+                    0
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 2 },
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 1 },
+                    1
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 2, IndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 1 },
+                    1
+                };
+                // Good Specials
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1 },
+                    0
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 2 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1 },
+                    1
+                };
+
+                // Specials to Episodes
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1 },
+                    1
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 2 },
+                    1
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 2 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1 },
+                    1
+                };
+
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 2 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1 },
+                    1
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 2 },
+                    1
+                };
+
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsAfterSeasonNumber = 1 },
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 1 },
+                    1
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 3, IndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsAfterSeasonNumber = 1 },
+                    1
+                };
+
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 3, IndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsAfterSeasonNumber = 1, AirsBeforeEpisodeNumber = 2 },
+                    1
+                };
+
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsBeforeSeasonNumber = 1 },
+                    1
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 2 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsBeforeSeasonNumber = 1, AirsBeforeEpisodeNumber = 2 },
+                    1
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsBeforeSeasonNumber = 1, AirsBeforeEpisodeNumber = 2 },
+                    0
+                };
+                yield return new object?[]
+                {
+                    new Episode { ParentIndexNumber = 1, IndexNumber = 3 },
+                    new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsBeforeSeasonNumber = 1, AirsBeforeEpisodeNumber = 2 },
+                    1
+                };
+            }
+
+            IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/10.10.10.100/discover.json b/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/10.10.10.100/discover.json
new file mode 100644
index 000000000..a4ad4ed44
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/10.10.10.100/discover.json
@@ -0,0 +1 @@
+{"FriendlyName":"HDHomeRun DUAL","ModelNumber":"HDHR3-US","Legacy":1,"FirmwareName":"hdhomerun3_atsc","FirmwareVersion":"20200225","DeviceID":"10xxxxx5","TunerCount":2,"BaseURL":"http://10.10.10.100:80"}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/10.10.10.100/lineup.json b/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/10.10.10.100/lineup.json
new file mode 100644
index 000000000..0967ef424
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/10.10.10.100/lineup.json
@@ -0,0 +1 @@
+{}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/discover.json b/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/192.168.1.182/discover.json
index 851f17bb2..851f17bb2 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/discover.json
+++ b/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/192.168.1.182/discover.json
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/lineup.json b/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/192.168.1.182/lineup.json
index 4cb5ebc8e..4cb5ebc8e 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/lineup.json
+++ b/tests/Jellyfin.Server.Implementations.Tests/Test Data/LiveTv/192.168.1.182/lineup.json
diff --git a/tests/Jellyfin.Server.Implementations.Tests/TypedBaseItem/BaseItemKindTests.cs b/tests/Jellyfin.Server.Implementations.Tests/TypedBaseItem/BaseItemKindTests.cs
new file mode 100644
index 000000000..31f33c682
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/TypedBaseItem/BaseItemKindTests.cs
@@ -0,0 +1,63 @@
+using System;
+using System.Linq;
+using Jellyfin.Data.Enums;
+using Xunit;
+
+namespace Jellyfin.Server.Implementations.Tests.TypedBaseItem
+{
+    public class BaseItemKindTests
+    {
+        public static TheoryData<Type> BaseItemKind_TestData()
+        {
+            var data = new TheoryData<Type>();
+
+            var loadedAssemblies = AppDomain.CurrentDomain.GetAssemblies();
+            foreach (var assembly in loadedAssemblies)
+            {
+                if (IsProjectAssemblyName(assembly.FullName))
+                {
+                    var baseItemTypes = assembly.GetTypes()
+                        .Where(targetType => targetType.IsClass
+                                             && !targetType.IsAbstract
+                                             && targetType.IsSubclassOf(typeof(MediaBrowser.Controller.Entities.BaseItem)));
+                    foreach (var baseItemType in baseItemTypes)
+                    {
+                        data.Add(baseItemType);
+                    }
+                }
+            }
+
+            return data;
+        }
+
+        [Theory]
+        [MemberData(nameof(BaseItemKind_TestData))]
+        public void EnumParse_GivenValidBaseItemType_ReturnsEnumValue(Type baseItemDescendantType)
+        {
+            var enumValue = Enum.Parse<BaseItemKind>(baseItemDescendantType.Name);
+            Assert.True(Enum.IsDefined(typeof(BaseItemKind), enumValue));
+        }
+
+        [Theory]
+        [MemberData(nameof(BaseItemKind_TestData))]
+        public void GetBaseItemKind_WhenCalledAfterDefaultCtor_DoesNotThrow(Type baseItemDescendantType)
+        {
+            var defaultConstructor = baseItemDescendantType.GetConstructor(Type.EmptyTypes);
+            var instance = (MediaBrowser.Controller.Entities.BaseItem)defaultConstructor!.Invoke(null);
+            var exception = Record.Exception(() => instance.GetBaseItemKind());
+            Assert.Null(exception);
+        }
+
+        private static bool IsProjectAssemblyName(string? name)
+        {
+            if (name == null)
+            {
+                return false;
+            }
+
+            return name.StartsWith("Jellyfin", StringComparison.OrdinalIgnoreCase)
+                   || name.StartsWith("Emby", StringComparison.OrdinalIgnoreCase)
+                   || name.StartsWith("MediaBrowser", StringComparison.OrdinalIgnoreCase);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Updates/InstallationManagerTests.cs b/tests/Jellyfin.Server.Implementations.Tests/Updates/InstallationManagerTests.cs
index 4fa64d8a2..70acbfc40 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/Updates/InstallationManagerTests.cs
+++ b/tests/Jellyfin.Server.Implementations.Tests/Updates/InstallationManagerTests.cs
@@ -1,5 +1,6 @@
-using System.Collections.Generic;
+using System;
 using System.IO;
+using System.Linq;
 using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
@@ -46,12 +47,36 @@ namespace Jellyfin.Server.Implementations.Tests.Updates
         [Fact]
         public async Task GetPackages_Valid_Success()
         {
-            IList<PackageInfo> packages = await _installationManager.GetPackages(
+            PackageInfo[] packages = await _installationManager.GetPackages(
                 "Jellyfin Stable",
                 "https://repo.jellyfin.org/releases/plugin/manifest-stable.json",
                 false);
 
-            Assert.Equal(25, packages.Count);
+            Assert.Equal(25, packages.Length);
+        }
+
+        [Fact]
+        public async Task FilterPackages_NameOnly_Success()
+        {
+            PackageInfo[] packages = await _installationManager.GetPackages(
+                "Jellyfin Stable",
+                "https://repo.jellyfin.org/releases/plugin/manifest-stable.json",
+                false);
+
+            packages = _installationManager.FilterPackages(packages, "Anime").ToArray();
+            Assert.Single(packages);
+        }
+
+        [Fact]
+        public async Task FilterPackages_GuidOnly_Success()
+        {
+            PackageInfo[] packages = await _installationManager.GetPackages(
+                "Jellyfin Stable",
+                "https://repo.jellyfin.org/releases/plugin/manifest-stable.json",
+                false);
+
+            packages = _installationManager.FilterPackages(packages, id: new Guid("a4df60c5-6ab4-412a-8f79-2cab93fb2bc5")).ToArray();
+            Assert.Single(packages);
         }
     }
 }
diff --git a/tests/Jellyfin.Server.Integration.Tests/AuthHelper.cs b/tests/Jellyfin.Server.Integration.Tests/AuthHelper.cs
new file mode 100644
index 000000000..4ea05397d
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/AuthHelper.cs
@@ -0,0 +1,59 @@
+using System;
+using System.Net;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Net.Mime;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Jellyfin.Api.Models.StartupDtos;
+using Jellyfin.Api.Models.UserDtos;
+using Jellyfin.Extensions.Json;
+using Xunit;
+
+namespace Jellyfin.Server.Integration.Tests
+{
+    public static class AuthHelper
+    {
+        public const string AuthHeaderName = "X-Emby-Authorization";
+        public const string DummyAuthHeader = "MediaBrowser Client=\"Jellyfin.Server Integration Tests\", DeviceId=\"69420\", Device=\"Apple II\", Version=\"10.8.0\"";
+
+        public static async Task<string> CompleteStartupAsync(HttpClient client)
+        {
+            var jsonOptions = JsonDefaults.Options;
+            var userResponse = await client.GetByteArrayAsync("/Startup/User").ConfigureAwait(false);
+            var user = JsonSerializer.Deserialize<StartupUserDto>(userResponse, jsonOptions);
+
+            using var completeResponse = await client.PostAsync("/Startup/Complete", new ByteArrayContent(Array.Empty<byte>())).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.NoContent, completeResponse.StatusCode);
+
+            using var content = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(
+                new AuthenticateUserByName()
+                {
+                    Username = user!.Name,
+                    Pw = user.Password,
+                },
+                jsonOptions));
+            content.Headers.ContentType = MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json);
+            content.Headers.Add("X-Emby-Authorization", DummyAuthHeader);
+
+            using var authResponse = await client.PostAsync("/Users/AuthenticateByName", content).ConfigureAwait(false);
+            var auth = await JsonSerializer.DeserializeAsync<AuthenticationResultDto>(
+                await authResponse.Content.ReadAsStreamAsync().ConfigureAwait(false),
+                jsonOptions).ConfigureAwait(false);
+
+            return auth!.AccessToken;
+        }
+
+        public static void AddAuthHeader(this HttpHeaders headers, string accessToken)
+        {
+            headers.Add(AuthHeaderName, DummyAuthHeader + $", Token={accessToken}");
+        }
+
+        private class AuthenticationResultDto
+        {
+            public string AccessToken { get; set; } = string.Empty;
+
+            public string ServerId { get; set; } = string.Empty;
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/ActivityLogControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/ActivityLogControllerTests.cs
new file mode 100644
index 000000000..be89fbc9a
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/ActivityLogControllerTests.cs
@@ -0,0 +1,30 @@
+using System.Net;
+using System.Net.Mime;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Jellyfin.Server.Integration.Tests.Controllers
+{
+    public sealed class ActivityLogControllerTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+        private static string? _accessToken;
+
+        public ActivityLogControllerTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Fact]
+        public async Task ActivityLog_GetEntries_Ok()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            var response = await client.GetAsync("System/ActivityLog/Entries").ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            Assert.Equal(MediaTypeNames.Application.Json, response.Content.Headers.ContentType?.MediaType);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/BaseJellyfinTestController.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/BaseJellyfinTestController.cs
new file mode 100644
index 000000000..9db8689a7
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/BaseJellyfinTestController.cs
@@ -0,0 +1,14 @@
+using Jellyfin.Api;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Jellyfin.Server.Integration.Tests.Controllers
+{
+    /// <summary>
+    /// Base controller for testing infrastructure.
+    /// Automatically ignored in generated openapi spec.
+    /// </summary>
+    [ApiExplorerSettings(IgnoreApi = true)]
+    public class BaseJellyfinTestController : BaseJellyfinApiController
+    {
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/DashboardControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/DashboardControllerTests.cs
index f5411dcb8..827365363 100644
--- a/tests/Jellyfin.Server.Integration.Tests/Controllers/DashboardControllerTests.cs
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/DashboardControllerTests.cs
@@ -5,7 +5,7 @@ using System.Text;
 using System.Text.Json;
 using System.Threading.Tasks;
 using Jellyfin.Api.Models;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using Xunit;
 
 namespace Jellyfin.Server.Integration.Tests.Controllers
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/EncoderController.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/EncoderController.cs
new file mode 100644
index 000000000..1a720c2f6
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/EncoderController.cs
@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Jellyfin.Server.Integration.Tests.Controllers
+{
+    /// <summary>
+    /// Controller for testing the encoded url.
+    /// </summary>
+    public class EncoderController : BaseJellyfinTestController
+    {
+        /// <summary>
+        /// Tests the url decoding.
+        /// </summary>
+        /// <param name="params">Parameters to echo back in the response.</param>
+        /// <returns>An <see cref="OkResult"/>.</returns>
+        /// <response code="200">Information retrieved.</response>
+        [HttpGet("UrlDecode")]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        public ContentResult TestUrlDecoding([FromQuery] Dictionary<string, string>? @params = null)
+        {
+            return new ContentResult()
+            {
+                Content = (@params != null && @params.Count > 0)
+                    ? string.Join("&", @params.Select(x => x.Key + "=" + x.Value))
+                    : string.Empty,
+                ContentType = "text/plain; charset=utf-8",
+                StatusCode = 200
+            };
+        }
+
+        /// <summary>
+        /// Tests the url decoding.
+        /// </summary>
+        /// <param name="params">Parameters to echo back in the response.</param>
+        /// <returns>An <see cref="OkResult"/>.</returns>
+        /// <response code="200">Information retrieved.</response>
+        [HttpGet("UrlArrayDecode")]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        public ContentResult TestUrlArrayDecoding([FromQuery] Dictionary<string, string[]>? @params = null)
+        {
+            return new ContentResult()
+            {
+                Content = (@params != null && @params.Count > 0)
+                    ? string.Join("&", @params.Select(x => x.Key + "=" + string.Join(',', x.Value)))
+                    : string.Empty,
+                ContentType = "text/plain; charset=utf-8",
+                StatusCode = 200
+            };
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaInfoControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaInfoControllerTests.cs
new file mode 100644
index 000000000..34d26680a
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaInfoControllerTests.cs
@@ -0,0 +1,61 @@
+using System.Globalization;
+using System.Net;
+using System.Net.Mime;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Jellyfin.Server.Integration.Tests.Controllers
+{
+    public sealed class MediaInfoControllerTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+        private static string? _accessToken;
+
+        public MediaInfoControllerTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Fact]
+        public async Task BitrateTest_Default_Ok()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            var response = await client.GetAsync("Playback/BitrateTest").ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            Assert.Equal(MediaTypeNames.Application.Octet, response.Content.Headers.ContentType?.MediaType);
+            Assert.NotNull(response.Content.Headers.ContentLength);
+        }
+
+        [Theory]
+        [InlineData(102400)]
+        public async Task BitrateTest_WithValidParam_Ok(int size)
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            var response = await client.GetAsync("Playback/BitrateTest?size=" + size.ToString(CultureInfo.InvariantCulture)).ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            Assert.Equal(MediaTypeNames.Application.Octet, response.Content.Headers.ContentType?.MediaType);
+            Assert.NotNull(response.Content.Headers.ContentLength);
+            Assert.InRange(response.Content.Headers.ContentLength!.Value, size, long.MaxValue);
+        }
+
+        [Theory]
+        [InlineData(0)] // Zero
+        [InlineData(-102400)] // Negative value
+        [InlineData(1000000000)] // Too large
+        public async Task BitrateTest_InvalidValue_BadRequest(int size)
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            var response = await client.GetAsync("Playback/BitrateTest?size=" + size.ToString(CultureInfo.InvariantCulture)).ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaStructureControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaStructureControllerTests.cs
new file mode 100644
index 000000000..19d8381ea
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/MediaStructureControllerTests.cs
@@ -0,0 +1,122 @@
+using System;
+using System.Net;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Net.Mime;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Jellyfin.Api.Models.LibraryStructureDto;
+using Jellyfin.Extensions.Json;
+using MediaBrowser.Model.Configuration;
+using Xunit;
+
+namespace Jellyfin.Server.Integration.Tests.Controllers
+{
+    public sealed class MediaStructureControllerTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+        private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options;
+        private static string? _accessToken;
+
+        public MediaStructureControllerTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Fact]
+        public async Task RenameVirtualFolder_WhiteSpaceName_ReturnsBadRequest()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            using var postContent = new ByteArrayContent(Array.Empty<byte>());
+            var response = await client.PostAsync("Library/VirtualFolders/Name?name=+&newName=test", postContent).ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+        }
+
+        [Fact]
+        public async Task RenameVirtualFolder_WhiteSpaceNewName_ReturnsBadRequest()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            using var postContent = new ByteArrayContent(Array.Empty<byte>());
+            var response = await client.PostAsync("Library/VirtualFolders/Name?name=test&newName=+", postContent).ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+        }
+
+        [Fact]
+        public async Task RenameVirtualFolder_NameDoesntExist_ReturnsNotFound()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            using var postContent = new ByteArrayContent(Array.Empty<byte>());
+            var response = await client.PostAsync("Library/VirtualFolders/Name?name=doesnt+exist&newName=test", postContent).ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
+        }
+
+        [Fact]
+        public async Task AddMediaPath_PathDoesntExist_ReturnsNotFound()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            var data = new MediaPathDto()
+            {
+                Name = "Test",
+                Path = "/this/path/doesnt/exist"
+            };
+
+            using var postContent = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(data, _jsonOptions));
+            postContent.Headers.ContentType = MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json);
+            var response = await client.PostAsync("Library/VirtualFolders/Paths", postContent).ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
+        }
+
+        [Fact]
+        public async Task UpdateMediaPath_WhiteSpaceName_ReturnsBadRequest()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            var data = new UpdateMediaPathRequestDto()
+            {
+                Name = " ",
+                PathInfo = new MediaPathInfo("test")
+            };
+
+            using var postContent = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(data, _jsonOptions));
+            postContent.Headers.ContentType = MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json);
+            var response = await client.PostAsync("Library/VirtualFolders/Paths/Update", postContent).ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+        }
+
+        [Fact]
+        public async Task RemoveMediaPath_WhiteSpaceName_ReturnsBadRequest()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            var response = await client.DeleteAsync("Library/VirtualFolders/Paths?name=+").ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+        }
+
+        [Fact]
+        public async Task RemoveMediaPath_PathDoesntExist_ReturnsNotFound()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            var response = await client.DeleteAsync("Library/VirtualFolders/Paths?name=none&path=%2Fthis%2Fpath%2Fdoesnt%2Fexist").ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs
new file mode 100644
index 000000000..9c0fc72f6
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs
@@ -0,0 +1,119 @@
+using System;
+using System.Net;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Net.Mime;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Jellyfin.Api.Models.StartupDtos;
+using Jellyfin.Extensions.Json;
+using Xunit;
+using Xunit.Priority;
+
+namespace Jellyfin.Server.Integration.Tests.Controllers
+{
+    [TestCaseOrderer(PriorityOrderer.Name, PriorityOrderer.Assembly)]
+    public sealed class StartupControllerTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+        private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options;
+
+        public StartupControllerTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Fact]
+        [Priority(-2)]
+        public async Task Configuration_EditConfig_Success()
+        {
+            var client = _factory.CreateClient();
+
+            var config = new StartupConfigurationDto()
+            {
+                UICulture = "NewCulture",
+                MetadataCountryCode = "be",
+                PreferredMetadataLanguage = "nl"
+            };
+
+            using var postContent = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(config, _jsonOptions));
+            postContent.Headers.ContentType = MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json);
+            using var postResponse = await client.PostAsync("/Startup/Configuration", postContent).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.NoContent, postResponse.StatusCode);
+
+            using var getResponse = await client.GetAsync("/Startup/Configuration").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, getResponse.StatusCode);
+            Assert.Equal(MediaTypeNames.Application.Json, getResponse.Content.Headers.ContentType?.MediaType);
+
+            using var responseStream = await getResponse.Content.ReadAsStreamAsync().ConfigureAwait(false);
+            var newConfig = await JsonSerializer.DeserializeAsync<StartupConfigurationDto>(responseStream, _jsonOptions).ConfigureAwait(false);
+            Assert.Equal(config.UICulture, newConfig!.UICulture);
+            Assert.Equal(config.MetadataCountryCode, newConfig.MetadataCountryCode);
+            Assert.Equal(config.PreferredMetadataLanguage, newConfig.PreferredMetadataLanguage);
+        }
+
+        [Fact]
+        [Priority(-2)]
+        public async Task User_DefaultUser_NameWithoutPassword()
+        {
+            var client = _factory.CreateClient();
+
+            using var response = await client.GetAsync("/Startup/User").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            Assert.Equal(MediaTypeNames.Application.Json, response.Content.Headers.ContentType?.MediaType);
+
+            using var contentStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
+            var user = await JsonSerializer.DeserializeAsync<StartupUserDto>(contentStream, _jsonOptions).ConfigureAwait(false);
+            Assert.NotEmpty(user!.Name);
+            Assert.Null(user.Password);
+        }
+
+        [Fact]
+        [Priority(-1)]
+        public async Task User_EditUser_Success()
+        {
+            var client = _factory.CreateClient();
+
+            var user = new StartupUserDto()
+            {
+                Name = "NewName",
+                Password = "NewPassword"
+            };
+
+            using var postContent = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(user, _jsonOptions));
+            postContent.Headers.ContentType = MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json);
+            var postResponse = await client.PostAsync("/Startup/User", postContent).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.NoContent, postResponse.StatusCode);
+
+            var getResponse = await client.GetAsync("/Startup/User").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, getResponse.StatusCode);
+            Assert.Equal(MediaTypeNames.Application.Json, getResponse.Content.Headers.ContentType?.MediaType);
+
+            var contentStream = await getResponse.Content.ReadAsStreamAsync().ConfigureAwait(false);
+            var newUser = await JsonSerializer.DeserializeAsync<StartupUserDto>(contentStream, _jsonOptions).ConfigureAwait(false);
+            Assert.Equal(user.Name, newUser!.Name);
+            Assert.NotEmpty(newUser.Password);
+            Assert.NotEqual(user.Password, newUser.Password);
+        }
+
+        [Fact]
+        [Priority(0)]
+        public async Task CompleteWizard_Success()
+        {
+            var client = _factory.CreateClient();
+
+            var response = await client.PostAsync("/Startup/Complete", new ByteArrayContent(Array.Empty<byte>())).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.NoContent, response.StatusCode);
+        }
+
+        [Fact]
+        [Priority(1)]
+        public async Task GetFirstUser_CompleteWizard_Unauthorized()
+        {
+            var client = _factory.CreateClient();
+
+            using var response = await client.GetAsync("/Startup/User").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.Unauthorized, response.StatusCode);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/UserControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/UserControllerTests.cs
new file mode 100644
index 000000000..8866ab53c
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/UserControllerTests.cs
@@ -0,0 +1,170 @@
+using System;
+using System.Globalization;
+using System.Linq;
+using System.Net;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Net.Mime;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Jellyfin.Api.Models.UserDtos;
+using Jellyfin.Extensions.Json;
+using MediaBrowser.Model.Dto;
+using Xunit;
+using Xunit.Priority;
+
+namespace Jellyfin.Server.Integration.Tests.Controllers
+{
+    [TestCaseOrderer(PriorityOrderer.Name, PriorityOrderer.Assembly)]
+    public sealed class UserControllerTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private const string TestUsername = "testUser01";
+
+        private readonly JellyfinApplicationFactory _factory;
+        private readonly JsonSerializerOptions _jsonOpions = JsonDefaults.Options;
+        private static string? _accessToken;
+        private static Guid _testUserId = Guid.Empty;
+
+        public UserControllerTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        private Task<HttpResponseMessage> CreateUserByName(HttpClient httpClient, CreateUserByName request)
+        {
+            using var postContent = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(request, _jsonOpions));
+            postContent.Headers.ContentType = MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json);
+            return httpClient.PostAsync("Users/New", postContent);
+        }
+
+        private Task<HttpResponseMessage> UpdateUserPassword(HttpClient httpClient, Guid userId, UpdateUserPassword request)
+        {
+            using var postContent = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(request, _jsonOpions));
+            postContent.Headers.ContentType = MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json);
+            return httpClient.PostAsync("Users/" + userId.ToString("N", CultureInfo.InvariantCulture) + "/Password", postContent);
+        }
+
+        [Fact]
+        [Priority(-1)]
+        public async Task GetPublicUsers_Valid_Success()
+        {
+            var client = _factory.CreateClient();
+
+            using var response = await client.GetAsync("Users/Public").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            var users = await JsonSerializer.DeserializeAsync<UserDto[]>(
+                await response.Content.ReadAsStreamAsync().ConfigureAwait(false), _jsonOpions).ConfigureAwait(false);
+            // User are hidden by default
+            Assert.Empty(users);
+        }
+
+        [Fact]
+        [Priority(-1)]
+        public async Task GetUsers_Valid_Success()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken ??= await AuthHelper.CompleteStartupAsync(client).ConfigureAwait(false));
+
+            using var response = await client.GetAsync("Users").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            var users = await JsonSerializer.DeserializeAsync<UserDto[]>(
+                await response.Content.ReadAsStreamAsync().ConfigureAwait(false), _jsonOpions).ConfigureAwait(false);
+            Assert.Single(users);
+            Assert.False(users![0].HasConfiguredPassword);
+        }
+
+        [Fact]
+        [Priority(0)]
+        public async Task New_Valid_Success()
+        {
+            var client = _factory.CreateClient();
+
+            // access token can't be null here as the previous test populated it
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken!);
+
+            var createRequest = new CreateUserByName()
+            {
+                Name = TestUsername
+            };
+
+            using var response = await CreateUserByName(client, createRequest).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            var user = await JsonSerializer.DeserializeAsync<UserDto>(
+                await response.Content.ReadAsStreamAsync().ConfigureAwait(false), _jsonOpions).ConfigureAwait(false);
+            Assert.Equal(TestUsername, user!.Name);
+            Assert.False(user.HasPassword);
+            Assert.False(user.HasConfiguredPassword);
+
+            _testUserId = user.Id;
+
+            Console.WriteLine(user.Id.ToString("N", CultureInfo.InvariantCulture));
+        }
+
+        [Theory]
+        [InlineData(null)]
+        [InlineData("")]
+        [InlineData("   ")]
+        [InlineData("‼️")]
+        [Priority(0)]
+        public async Task New_Invalid_Fail(string? username)
+        {
+            var client = _factory.CreateClient();
+
+            // access token can't be null here as the previous test populated it
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken!);
+
+            var createRequest = new CreateUserByName()
+            {
+                Name = username
+            };
+
+            using var response = await CreateUserByName(client, createRequest).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+        }
+
+        [Fact]
+        [Priority(1)]
+        public async Task UpdateUserPassword_Valid_Success()
+        {
+            var client = _factory.CreateClient();
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken!);
+
+            var createRequest = new UpdateUserPassword()
+            {
+                NewPw = "4randomPa$$word"
+            };
+
+            using var response = await UpdateUserPassword(client, _testUserId, createRequest).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.NoContent, response.StatusCode);
+
+            var users = await JsonSerializer.DeserializeAsync<UserDto[]>(
+                await client.GetStreamAsync("Users").ConfigureAwait(false), _jsonOpions).ConfigureAwait(false);
+            var user = users!.First(x => x.Id == _testUserId);
+            Assert.True(user.HasPassword);
+            Assert.True(user.HasConfiguredPassword);
+        }
+
+        [Fact]
+        [Priority(2)]
+        public async Task UpdateUserPassword_Empty_RemoveSetPassword()
+        {
+            var client = _factory.CreateClient();
+
+            client.DefaultRequestHeaders.AddAuthHeader(_accessToken!);
+
+            var createRequest = new UpdateUserPassword()
+            {
+                CurrentPw = "4randomPa$$word",
+            };
+
+            using var response = await UpdateUserPassword(client, _testUserId, createRequest).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.NoContent, response.StatusCode);
+
+            var users = await JsonSerializer.DeserializeAsync<UserDto[]>(
+                await client.GetStreamAsync("Users").ConfigureAwait(false), _jsonOpions).ConfigureAwait(false);
+            var user = users!.First(x => x.Id == _testUserId);
+            Assert.False(user.HasPassword);
+            Assert.False(user.HasConfiguredPassword);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/EncodedQueryStringTest.cs b/tests/Jellyfin.Server.Integration.Tests/EncodedQueryStringTest.cs
new file mode 100644
index 000000000..732b4f050
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/EncodedQueryStringTest.cs
@@ -0,0 +1,48 @@
+using System.Net;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Jellyfin.Server.Integration.Tests
+{
+    /// <summary>
+    /// Defines the test for encoded querystrings in the url.
+    /// </summary>
+    public class EncodedQueryStringTest : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+
+        public EncodedQueryStringTest(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Theory]
+        [InlineData("a=1&b=2&c=3", "a=1&b=2&c=3")] // won't be processed as there is more than 1.
+        [InlineData("a=1", "a=1")] // won't be processed as it has a value
+        [InlineData("a%3D1%26b%3D2%26c%3D3", "a=1&b=2&c=3")] // will be processed.
+        [InlineData("a=b&a=c", "a=b")]
+        [InlineData("a%3Db%26a%3Dc", "a=b")]
+        public async Task Ensure_Decoding_Of_Urls_Is_Working(string sourceUrl, string unencodedUrl)
+        {
+            var client = _factory.CreateClient();
+
+            var response = await client.GetAsync("Encoder/UrlDecode?" + sourceUrl).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            string reply = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
+            Assert.Equal(unencodedUrl, reply);
+        }
+
+        [Theory]
+        [InlineData("a=b&a=c", "a=b,c")]
+        [InlineData("a%3Db%26a%3Dc", "a=b,c")]
+        public async Task Ensure_Array_Decoding_Of_Urls_Is_Working(string sourceUrl, string unencodedUrl)
+        {
+            var client = _factory.CreateClient();
+
+            var response = await client.GetAsync("Encoder/UrlArrayDecode?" + sourceUrl).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            string reply = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
+            Assert.Equal(unencodedUrl, reply);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/Jellyfin.Server.Integration.Tests.csproj b/tests/Jellyfin.Server.Integration.Tests/Jellyfin.Server.Integration.Tests.csproj
index b0a38736a..592b444c9 100644
--- a/tests/Jellyfin.Server.Integration.Tests/Jellyfin.Server.Integration.Tests.csproj
+++ b/tests/Jellyfin.Server.Integration.Tests/Jellyfin.Server.Integration.Tests.csproj
@@ -2,25 +2,30 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoFixture" Version="4.15.0" />
-    <PackageReference Include="AutoFixture.AutoMoq" Version="4.15.0" />
-    <PackageReference Include="AutoFixture.Xunit2" Version="4.15.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="5.0.3" />
+    <PackageReference Include="AutoFixture" Version="4.17.0" />
+    <PackageReference Include="AutoFixture.AutoMoq" Version="4.17.0" />
+    <PackageReference Include="AutoFixture.Xunit2" Version="4.17.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="5.0.9" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="5.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="Xunit.Priority" Version="1.1.6" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
     <PackageReference Include="Moq" Version="4.16.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <!-- Don't run tests in parallel -->
+    <None Update="xunit.runner.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
   <!-- Code Analyzers -->
   <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
     <PackageReference Include="SerilogAnalyzer" Version="0.15.0" PrivateAssets="All" />
diff --git a/tests/Jellyfin.Server.Integration.Tests/JellyfinApplicationFactory.cs b/tests/Jellyfin.Server.Integration.Tests/JellyfinApplicationFactory.cs
index d9ec81a27..976e19d46 100644
--- a/tests/Jellyfin.Server.Integration.Tests/JellyfinApplicationFactory.cs
+++ b/tests/Jellyfin.Server.Integration.Tests/JellyfinApplicationFactory.cs
@@ -44,10 +44,7 @@ namespace Jellyfin.Server.Integration.Tests
         protected override void ConfigureWebHost(IWebHostBuilder builder)
         {
             // Specify the startup command line options
-            var commandLineOpts = new StartupOptions
-            {
-                NoWebClient = true
-            };
+            var commandLineOpts = new StartupOptions();
 
             // Use a temporary directory for the application paths
             var webHostPathRoot = Path.Combine(_testPathRoot, "test-host-" + Path.GetFileNameWithoutExtension(Path.GetRandomFileName()));
diff --git a/tests/Jellyfin.Server.Integration.Tests/Middleware/RobotsRedirectionMiddlewareTests.cs b/tests/Jellyfin.Server.Integration.Tests/Middleware/RobotsRedirectionMiddlewareTests.cs
new file mode 100644
index 000000000..8c49a2e2b
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/Middleware/RobotsRedirectionMiddlewareTests.cs
@@ -0,0 +1,32 @@
+using System.Net;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Xunit;
+
+namespace Jellyfin.Server.Integration.Tests.Middleware
+{
+    public sealed class RobotsRedirectionMiddlewareTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+
+        public RobotsRedirectionMiddlewareTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Fact]
+        public async Task RobotsDotTxtRedirects()
+        {
+            var client = _factory.CreateClient(
+                new WebApplicationFactoryClientOptions()
+                {
+                    AllowAutoRedirect = false
+                });
+
+            var response = await client.GetAsync("robots.txt").ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.Redirect, response.StatusCode);
+            Assert.Equal("web/robots.txt", response.Headers.Location?.ToString());
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/OpenApiSpecTests.cs b/tests/Jellyfin.Server.Integration.Tests/OpenApiSpecTests.cs
index 3cbd638f9..0ade345a1 100644
--- a/tests/Jellyfin.Server.Integration.Tests/OpenApiSpecTests.cs
+++ b/tests/Jellyfin.Server.Integration.Tests/OpenApiSpecTests.cs
@@ -1,8 +1,6 @@
 using System.IO;
 using System.Reflection;
-using System.Text.Json;
 using System.Threading.Tasks;
-using MediaBrowser.Model.Branding;
 using Xunit;
 using Xunit.Abstractions;
 
diff --git a/tests/Jellyfin.Server.Integration.Tests/TestAppHost.cs b/tests/Jellyfin.Server.Integration.Tests/TestAppHost.cs
index 4e5d0fcb6..0a463cfa3 100644
--- a/tests/Jellyfin.Server.Integration.Tests/TestAppHost.cs
+++ b/tests/Jellyfin.Server.Integration.Tests/TestAppHost.cs
@@ -1,7 +1,6 @@
 using System.Collections.Generic;
 using System.Reflection;
 using Emby.Server.Implementations;
-using Jellyfin.Server;
 using MediaBrowser.Controller;
 using MediaBrowser.Model.IO;
 using Microsoft.Extensions.Configuration;
diff --git a/tests/Jellyfin.Server.Integration.Tests/WebSocketTests.cs b/tests/Jellyfin.Server.Integration.Tests/WebSocketTests.cs
new file mode 100644
index 000000000..ffdc04eba
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/WebSocketTests.cs
@@ -0,0 +1,32 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Jellyfin.Server.Integration.Tests
+{
+    public sealed class WebSocketTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+
+        public WebSocketTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Fact]
+        public async Task WebSocket_Unauthenticated_ThrowsInvalidOperationException()
+        {
+            var server = _factory.Server;
+            var client = server.CreateWebSocketClient();
+
+            await Assert.ThrowsAsync<InvalidOperationException>(
+                () => client.ConnectAsync(
+                    new UriBuilder(server.BaseAddress)
+                    {
+                        Scheme = "ws",
+                        Path = "websocket"
+                    }.Uri, CancellationToken.None));
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/xunit.runner.json b/tests/Jellyfin.Server.Integration.Tests/xunit.runner.json
new file mode 100644
index 000000000..809e880c7
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/xunit.runner.json
@@ -0,0 +1,4 @@
+{
+    "parallelizeAssembly": false,
+    "parallelizeTestCollections": false
+}
diff --git a/tests/Jellyfin.Server.Tests/Jellyfin.Server.Tests.csproj b/tests/Jellyfin.Server.Tests/Jellyfin.Server.Tests.csproj
index a310b0ea9..f249be674 100644
--- a/tests/Jellyfin.Server.Tests/Jellyfin.Server.Tests.csproj
+++ b/tests/Jellyfin.Server.Tests/Jellyfin.Server.Tests.csproj
@@ -3,22 +3,19 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoFixture" Version="4.15.0" />
-    <PackageReference Include="AutoFixture.AutoMoq" Version="4.15.0" />
-    <PackageReference Include="AutoFixture.Xunit2" Version="4.15.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="5.0.3" />
+    <PackageReference Include="AutoFixture" Version="4.17.0" />
+    <PackageReference Include="AutoFixture.AutoMoq" Version="4.17.0" />
+    <PackageReference Include="AutoFixture.Xunit2" Version="4.17.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="5.0.9" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="5.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
     <PackageReference Include="Moq" Version="4.16.0" />
   </ItemGroup>
 
diff --git a/tests/Jellyfin.Server.Tests/ParseNetworkTests.cs b/tests/Jellyfin.Server.Tests/ParseNetworkTests.cs
index 0b714e80a..b92cb165c 100644
--- a/tests/Jellyfin.Server.Tests/ParseNetworkTests.cs
+++ b/tests/Jellyfin.Server.Tests/ParseNetworkTests.cs
@@ -1,11 +1,15 @@
 using System;
+using System.Collections.Generic;
 using System.Globalization;
+using System.Linq;
+using System.Net;
 using System.Text;
 using Jellyfin.Networking.Configuration;
 using Jellyfin.Networking.Manager;
 using Jellyfin.Server.Extensions;
 using MediaBrowser.Common.Configuration;
 using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.HttpOverrides;
 using Microsoft.Extensions.Logging.Abstractions;
 using Moq;
 using Xunit;
@@ -14,20 +18,63 @@ namespace Jellyfin.Server.Tests
 {
     public class ParseNetworkTests
     {
-        /// <summary>
-        /// Order of the result has always got to be hosts, then networks.
-        /// </summary>
-        /// <param name="ip4">IP4 enabled.</param>
-        /// <param name="ip6">IP6 enabled.</param>
-        /// <param name="hostList">List to parse.</param>
-        /// <param name="match">What it should match.</param>
+        public static TheoryData<bool, bool, string[], IPAddress[], IPNetwork[]> TestNetworks_TestData()
+        {
+            var data = new TheoryData<bool, bool, string[], IPAddress[], IPNetwork[]>();
+            data.Add(
+                true,
+                true,
+                new string[] { "192.168.t", "127.0.0.1", "1234.1232.12.1234" },
+                new IPAddress[] { IPAddress.Loopback.MapToIPv6() },
+                Array.Empty<IPNetwork>());
+
+            data.Add(
+                true,
+                false,
+                new string[] { "192.168.x", "127.0.0.1", "1234.1232.12.1234" },
+                new IPAddress[] { IPAddress.Loopback },
+                Array.Empty<IPNetwork>());
+
+            data.Add(
+                true,
+                true,
+                new string[] { "::1" },
+                Array.Empty<IPAddress>(),
+                new IPNetwork[] { new IPNetwork(IPAddress.IPv6Loopback, 128) });
+
+            data.Add(
+                false,
+                false,
+                new string[] { "localhost" },
+                Array.Empty<IPAddress>(),
+                Array.Empty<IPNetwork>());
+
+            data.Add(
+                true,
+                false,
+                new string[] { "localhost" },
+                new IPAddress[] { IPAddress.Loopback },
+                Array.Empty<IPNetwork>());
+
+            data.Add(
+                false,
+                true,
+                new string[] { "localhost" },
+                Array.Empty<IPAddress>(),
+                new IPNetwork[] { new IPNetwork(IPAddress.IPv6Loopback, 128) });
+
+            data.Add(
+                true,
+                true,
+                new string[] { "localhost" },
+                new IPAddress[] { IPAddress.Loopback.MapToIPv6() },
+                new IPNetwork[] { new IPNetwork(IPAddress.IPv6Loopback, 128) });
+            return data;
+        }
+
         [Theory]
-        // [InlineData(true, true, "192.168.0.0/16,www.yahoo.co.uk", "::ffff:212.82.100.150,::ffff:192.168.0.0/16")]  <- fails on Max. www.yahoo.co.uk resolves to a different ip address.
-        // [InlineData(true, false, "192.168.0.0/16,www.yahoo.co.uk", "212.82.100.150,192.168.0.0/16")]
-        [InlineData(true, true, "192.168.t,127.0.0.1,1234.1232.12.1234", "::ffff:127.0.0.1")]
-        [InlineData(true, false, "192.168.x,127.0.0.1,1234.1232.12.1234", "127.0.0.1")]
-        [InlineData(true, true, "::1", "::1/128")]
-        public void TestNetworks(bool ip4, bool ip6, string hostList, string match)
+        [MemberData(nameof(TestNetworks_TestData))]
+        public void TestNetworks(bool ip4, bool ip6, string[] hostList, IPAddress[] knownProxies, IPNetwork[] knownNetworks)
         {
             using var nm = CreateNetworkManager();
 
@@ -37,31 +84,25 @@ namespace Jellyfin.Server.Tests
                 EnableIPV6 = ip6
             };
 
-            var result = match + ",";
             ForwardedHeadersOptions options = new ForwardedHeadersOptions();
 
             // Need this here as ::1 and 127.0.0.1 are in them by default.
             options.KnownProxies.Clear();
             options.KnownNetworks.Clear();
 
-            ApiServiceCollectionExtensions.AddProxyAddresses(settings, hostList.Split(','), options);
+            ApiServiceCollectionExtensions.AddProxyAddresses(settings, hostList, options);
 
-            var sb = new StringBuilder();
-            foreach (var item in options.KnownProxies)
+            Assert.Equal(knownProxies.Length, options.KnownProxies.Count);
+            foreach (var item in knownProxies)
             {
-                sb.Append(item)
-                    .Append(',');
+                Assert.True(options.KnownProxies.Contains(item));
             }
 
-            foreach (var item in options.KnownNetworks)
+            Assert.Equal(knownNetworks.Length, options.KnownNetworks.Count);
+            foreach (var item in knownNetworks)
             {
-                sb.Append(item.Prefix)
-                    .Append('/')
-                    .Append(item.PrefixLength.ToString(CultureInfo.InvariantCulture))
-                    .Append(',');
+                Assert.NotNull(options.KnownNetworks.FirstOrDefault(x => x.Prefix.Equals(item.Prefix) && x.PrefixLength == item.PrefixLength));
             }
-
-            Assert.Equal(sb.ToString(), result);
         }
 
         private static IConfigurationManager GetMockConfig(NetworkConfiguration conf)
diff --git a/tests/Jellyfin.Server.Tests/UrlDecodeQueryFeatureTests.cs b/tests/Jellyfin.Server.Tests/UrlDecodeQueryFeatureTests.cs
new file mode 100644
index 000000000..419afb2dc
--- /dev/null
+++ b/tests/Jellyfin.Server.Tests/UrlDecodeQueryFeatureTests.cs
@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+using System.Linq;
+using Jellyfin.Server.Middleware;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Features;
+using Microsoft.Extensions.Primitives;
+using Xunit;
+
+namespace Jellyfin.Server.Tests
+{
+    public static class UrlDecodeQueryFeatureTests
+    {
+        [Theory]
+        [InlineData("e0a72cb2a2c7", "e0a72cb2a2c7")] // isn't encoded
+        [InlineData("random+test", "random test")] // encoded
+        [InlineData("random%20test", "random test")] // encoded
+        [InlineData("++", "  ")] // encoded
+        public static void EmptyValueTest(string query, string key)
+        {
+            var dict = new Dictionary<string, StringValues>
+            {
+                { query, StringValues.Empty }
+            };
+            var test = new UrlDecodeQueryFeature(new QueryFeature(new QueryCollection(dict)));
+            Assert.Single(test.Query);
+            var (k, v) = test.Query.First();
+            Assert.Equal(key, k);
+            Assert.Empty(v);
+        }
+    }
+}
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Jellyfin.XbmcMetadata.Tests.csproj b/tests/Jellyfin.XbmcMetadata.Tests/Jellyfin.XbmcMetadata.Tests.csproj
index 9380fe2af..e08590758 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Jellyfin.XbmcMetadata.Tests.csproj
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Jellyfin.XbmcMetadata.Tests.csproj
@@ -3,9 +3,6 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
-    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
@@ -16,11 +13,11 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="Moq" Version="4.16.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.3" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
   </ItemGroup>
 
   <!-- Code Analyzers -->
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Location/MovieNfoLocationTests.cs b/tests/Jellyfin.XbmcMetadata.Tests/Location/MovieNfoLocationTests.cs
index 357d61c0b..8019e0ab3 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Location/MovieNfoLocationTests.cs
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Location/MovieNfoLocationTests.cs
@@ -1,8 +1,8 @@
-using System.Linq;
+using System;
+using System.Linq;
 using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.System;
 using MediaBrowser.XbmcMetadata.Savers;
 using Xunit;
 
@@ -28,7 +28,7 @@ namespace Jellyfin.XbmcMetadata.Tests.Location
             var path2 = "/media/movies/Avengers Endgame/movie.nfo";
 
             // uses ContainingFolderPath which uses Operating system specific paths
-            if (MediaBrowser.Common.System.OperatingSystem.Id == OperatingSystemId.Windows)
+            if (OperatingSystem.IsWindows())
             {
                 movie.Path = movie.Path.Replace('/', '\\');
                 path1 = path1.Replace('/', '\\');
@@ -49,7 +49,7 @@ namespace Jellyfin.XbmcMetadata.Tests.Location
             var path2 = "/media/movies/Avengers Endgame/VIDEO_TS/VIDEO_TS.nfo";
 
             // uses ContainingFolderPath which uses Operating system specific paths
-            if (MediaBrowser.Common.System.OperatingSystem.Id == OperatingSystemId.Windows)
+            if (OperatingSystem.IsWindows())
             {
                 movie.Path = movie.Path.Replace('/', '\\');
                 path1 = path1.Replace('/', '\\');
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/EpisodeNfoProviderTests.cs b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/EpisodeNfoProviderTests.cs
index 053e0a89e..3e726f23d 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/EpisodeNfoProviderTests.cs
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/EpisodeNfoProviderTests.cs
@@ -14,8 +14,6 @@ using Microsoft.Extensions.Logging.Abstractions;
 using Moq;
 using Xunit;
 
-#pragma warning disable CA5369
-
 namespace Jellyfin.XbmcMetadata.Tests.Parsers
 {
     public class EpisodeNfoProviderTests
@@ -37,8 +35,15 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
                 .Returns(new XbmcMetadataOptions());
             var user = new Mock<IUserManager>();
             var userData = new Mock<IUserDataManager>();
-
-            _parser = new EpisodeNfoParser(new NullLogger<EpisodeNfoParser>(), config.Object, providerManager.Object, user.Object, userData.Object);
+            var directoryService = new Mock<IDirectoryService>();
+
+            _parser = new EpisodeNfoParser(
+                new NullLogger<EpisodeNfoParser>(),
+                config.Object,
+                providerManager.Object,
+                user.Object,
+                userData.Object,
+                directoryService.Object);
         }
 
         [Fact]
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MovieNfoParserTests.cs b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MovieNfoParserTests.cs
index ff4795569..ef3ca15d5 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MovieNfoParserTests.cs
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MovieNfoParserTests.cs
@@ -9,7 +9,9 @@ using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Providers;
+using MediaBrowser.Model.System;
 using MediaBrowser.Providers.Plugins.Tmdb.Movies;
 using MediaBrowser.XbmcMetadata.Parsers;
 using Microsoft.Extensions.Logging.Abstractions;
@@ -23,6 +25,7 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
         private readonly MovieNfoParser _parser;
         private readonly IUserDataManager _userDataManager;
         private readonly User _testUser;
+        private readonly FileSystemMetadata _localImageFileMetadata;
 
         public MovieNfoParserTests()
         {
@@ -52,8 +55,25 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
             userData.Setup(x => x.GetUserData(_testUser, It.IsAny<BaseItem>()))
                 .Returns(new UserItemData());
 
+            var directoryService = new Mock<IDirectoryService>();
+            _localImageFileMetadata = new FileSystemMetadata()
+            {
+                Exists = true,
+                FullName = OperatingSystem.IsWindows() ?
+                    "C:\\media\\movies\\Justice League (2017).jpg"
+                    : "/media/movies/Justice League (2017).jpg"
+            };
+            directoryService.Setup(x => x.GetFile(_localImageFileMetadata.FullName))
+                .Returns(_localImageFileMetadata);
+
             _userDataManager = userData.Object;
-            _parser = new MovieNfoParser(new NullLogger<MovieNfoParser>(), configManager.Object, providerManager.Object, user.Object, userData.Object);
+            _parser = new MovieNfoParser(
+                new NullLogger<MovieNfoParser>(),
+                configManager.Object,
+                providerManager.Object,
+                user.Object,
+                userData.Object,
+                directoryService.Object);
         }
 
         [Fact]
@@ -134,6 +154,41 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
             // Movie set
             Assert.Equal("702342", item.ProviderIds[MetadataProvider.TmdbCollection.ToString()]);
             Assert.Equal("Justice League Collection", item.CollectionName);
+
+            // Images
+            Assert.Equal(7, result.RemoteImages.Count);
+
+            var posters = result.RemoteImages.Where(x => x.type == ImageType.Primary).ToList();
+            Assert.Single(posters);
+            Assert.Equal("http://image.tmdb.org/t/p/original/9rtrRGeRnL0JKtu9IMBWsmlmmZz.jpg", posters[0].url);
+
+            var logos = result.RemoteImages.Where(x => x.type == ImageType.Logo).ToList();
+            Assert.Single(logos);
+            Assert.Equal("https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-5865bf95cbadb.png", logos[0].url);
+
+            var banners = result.RemoteImages.Where(x => x.type == ImageType.Banner).ToList();
+            Assert.Single(banners);
+            Assert.Equal("https://assets.fanart.tv/fanart/movies/141052/moviebanner/justice-league-586017e95adbd.jpg", banners[0].url);
+
+            var thumbs = result.RemoteImages.Where(x => x.type == ImageType.Thumb).ToList();
+            Assert.Single(thumbs);
+            Assert.Equal("https://assets.fanart.tv/fanart/movies/141052/moviethumb/justice-league-585fb155c3743.jpg", thumbs[0].url);
+
+            var art = result.RemoteImages.Where(x => x.type == ImageType.Art).ToList();
+            Assert.Single(art);
+            Assert.Equal("https://assets.fanart.tv/fanart/movies/141052/hdmovieclearart/justice-league-5865c23193041.png", art[0].url);
+
+            var discArt = result.RemoteImages.Where(x => x.type == ImageType.Disc).ToList();
+            Assert.Single(discArt);
+            Assert.Equal("https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-5a3af26360617.png", discArt[0].url);
+
+            var backdrop = result.RemoteImages.Where(x => x.type == ImageType.Backdrop).ToList();
+            Assert.Single(backdrop);
+            Assert.Equal("https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5793f518c6d6e.jpg", backdrop[0].url);
+
+            // Local Image - contains only one item depending on operating system
+            Assert.Single(result.Images);
+            Assert.Equal(_localImageFileMetadata.Name, result.Images[0].FileInfo.Name);
         }
 
         [Theory]
@@ -153,6 +208,35 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
         }
 
         [Fact]
+        public void Parse_GivenFileWithFanartTag_Success()
+        {
+            var result = new MetadataResult<Video>()
+            {
+                Item = new Movie()
+            };
+
+            _parser.Fetch(result, "Test Data/Fanart.nfo", CancellationToken.None);
+
+            Assert.Single(result.RemoteImages.Where(x => x.type == ImageType.Backdrop));
+            Assert.Equal("https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5a5332c7b5e77.jpg", result.RemoteImages.First(x => x.type == ImageType.Backdrop).url);
+        }
+
+        [Fact]
+        public void Parse_RadarrUrlFile_Success()
+        {
+            var result = new MetadataResult<Video>()
+            {
+                Item = new Movie()
+            };
+
+            _parser.Fetch(result, "Test Data/Radarr.nfo", CancellationToken.None);
+            var item = (Movie)result.Item;
+
+            Assert.Equal("583689", item.ProviderIds[MetadataProvider.Tmdb.ToString()]);
+            Assert.Equal("tt4154796", item.ProviderIds[MetadataProvider.Imdb.ToString()]);
+        }
+
+        [Fact]
         public void Fetch_WithNullItem_ThrowsArgumentException()
         {
             var result = new MetadataResult<Video>();
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicAlbumNfoProviderTests.cs b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicAlbumNfoProviderTests.cs
index 63f6dfce8..eea8cb50a 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicAlbumNfoProviderTests.cs
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicAlbumNfoProviderTests.cs
@@ -1,7 +1,4 @@
-#pragma warning disable CA5369
-
-using System;
-using System.Linq;
+using System;
 using System.Threading;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Entities.Audio;
@@ -11,7 +8,6 @@ using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Providers;
 using MediaBrowser.Providers.Music;
-using MediaBrowser.Providers.Plugins.MusicBrainz;
 using MediaBrowser.XbmcMetadata.Parsers;
 using Microsoft.Extensions.Logging.Abstractions;
 using Moq;
@@ -38,8 +34,15 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
                 .Returns(new XbmcMetadataOptions());
             var user = new Mock<IUserManager>();
             var userData = new Mock<IUserDataManager>();
+            var directoryService = new Mock<IDirectoryService>();
 
-            _parser = new BaseNfoParser<MusicAlbum>(new NullLogger<BaseNfoParser<MusicAlbum>>(), config.Object, providerManager.Object, user.Object, userData.Object);
+            _parser = new BaseNfoParser<MusicAlbum>(
+                new NullLogger<BaseNfoParser<MusicAlbum>>(),
+                config.Object,
+                providerManager.Object,
+                user.Object,
+                userData.Object,
+                directoryService.Object);
         }
 
         [Fact]
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicArtistNfoParserTests.cs b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicArtistNfoParserTests.cs
index 438d47cac..8ca3dd96e 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicArtistNfoParserTests.cs
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicArtistNfoParserTests.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Linq;
 using System.Threading;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Entities.Audio;
@@ -35,8 +34,15 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
                 .Returns(new XbmcMetadataOptions());
             var user = new Mock<IUserManager>();
             var userData = new Mock<IUserDataManager>();
+            var directoryService = new Mock<IDirectoryService>();
 
-            _parser = new BaseNfoParser<MusicArtist>(new NullLogger<BaseNfoParser<MusicArtist>>(), config.Object, providerManager.Object, user.Object, userData.Object);
+            _parser = new BaseNfoParser<MusicArtist>(
+                new NullLogger<BaseNfoParser<MusicArtist>>(),
+                config.Object,
+                providerManager.Object,
+                user.Object,
+                userData.Object,
+                directoryService.Object);
         }
 
         [Fact]
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicVideoNfoParserTests.cs b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicVideoNfoParserTests.cs
index 898554936..bf887cab1 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicVideoNfoParserTests.cs
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/MusicVideoNfoParserTests.cs
@@ -30,8 +30,15 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
 
             var user = new Mock<IUserManager>();
             var userData = new Mock<IUserDataManager>();
+            var directoryService = new Mock<IDirectoryService>();
 
-            _parser = new MovieNfoParser(new NullLogger<BaseNfoParser<MusicVideo>>(), config.Object, providerManager.Object, user.Object, userData.Object);
+            _parser = new MovieNfoParser(
+                new NullLogger<BaseNfoParser<MusicVideo>>(),
+                config.Object,
+                providerManager.Object,
+                user.Object,
+                userData.Object,
+                directoryService.Object);
         }
 
         [Fact]
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/SeasonNfoProviderTests.cs b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/SeasonNfoProviderTests.cs
index a677cd724..31110dbd7 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/SeasonNfoProviderTests.cs
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/SeasonNfoProviderTests.cs
@@ -1,6 +1,4 @@
-#pragma warning disable CA5369
-
-using System;
+using System;
 using System.Linq;
 using System.Threading;
 using MediaBrowser.Common.Configuration;
@@ -31,8 +29,15 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
                 .Returns(new XbmcMetadataOptions());
             var user = new Mock<IUserManager>();
             var userData = new Mock<IUserDataManager>();
+            var directoryService = new Mock<IDirectoryService>();
 
-            _parser = new SeasonNfoParser(new NullLogger<SeasonNfoParser>(), config.Object, providerManager.Object, user.Object, userData.Object);
+            _parser = new SeasonNfoParser(
+                new NullLogger<SeasonNfoParser>(),
+                config.Object,
+                providerManager.Object,
+                user.Object,
+                userData.Object,
+                directoryService.Object);
         }
 
         [Fact]
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/SeriesNfoParserTests.cs b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/SeriesNfoParserTests.cs
index 80923957d..bdedae205 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Parsers/SeriesNfoParserTests.cs
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Parsers/SeriesNfoParserTests.cs
@@ -29,8 +29,9 @@ namespace Jellyfin.XbmcMetadata.Tests.Parsers
                 .Returns(new XbmcMetadataOptions());
             var user = new Mock<IUserManager>();
             var userData = new Mock<IUserDataManager>();
+            var directoryService = new Mock<IDirectoryService>();
 
-            _parser = new SeriesNfoParser(new NullLogger<SeriesNfoParser>(), config.Object, providerManager.Object, user.Object, userData.Object);
+            _parser = new SeriesNfoParser(new NullLogger<SeriesNfoParser>(), config.Object, providerManager.Object, user.Object, userData.Object, directoryService.Object);
         }
 
         [Fact]
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Fanart.nfo b/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Fanart.nfo
new file mode 100644
index 000000000..0b129bd8c
--- /dev/null
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Fanart.nfo
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<movie>
+    <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-5865bf95cbadb.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-5865bf95cbadb.png</thumb>
+    <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-585e9ca3bcf6a.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-585e9ca3bcf6a.png</thumb>
+    <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-57b476a831d74.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-57b476a831d74.png</thumb>
+    <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-57947e28cf10b.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-57947e28cf10b.png</thumb>
+    <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-5863d5c0cf0c9.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-5863d5c0cf0c9.png</thumb>
+    <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-5a801747e5545.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-5a801747e5545.png</thumb>
+    <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-5cd75683df92b.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-5cd75683df92b.png</thumb>
+    <thumb aspect="banner" preview="https://assets.fanart.tv/preview/movies/141052/moviebanner/justice-league-586017e95adbd.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebanner/justice-league-586017e95adbd.jpg</thumb>
+    <thumb aspect="banner" preview="https://assets.fanart.tv/preview/movies/141052/moviebanner/justice-league-5934d45bc6592.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebanner/justice-league-5934d45bc6592.jpg</thumb>
+    <thumb aspect="banner" preview="https://assets.fanart.tv/preview/movies/141052/moviebanner/justice-league-5aa9289a379fa.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebanner/justice-league-5aa9289a379fa.jpg</thumb>
+    <thumb aspect="landscape" preview="https://assets.fanart.tv/preview/movies/141052/moviethumb/justice-league-585fb155c3743.jpg">https://assets.fanart.tv/fanart/movies/141052/moviethumb/justice-league-585fb155c3743.jpg</thumb>
+    <thumb aspect="landscape" preview="https://assets.fanart.tv/preview/movies/141052/moviethumb/justice-league-585edbda91d82.jpg">https://assets.fanart.tv/fanart/movies/141052/moviethumb/justice-league-585edbda91d82.jpg</thumb>
+    <thumb aspect="landscape" preview="https://assets.fanart.tv/preview/movies/141052/moviethumb/justice-league-5b86588882c12.jpg">https://assets.fanart.tv/fanart/movies/141052/moviethumb/justice-league-5b86588882c12.jpg</thumb>
+    <thumb aspect="landscape" preview="https://assets.fanart.tv/preview/movies/141052/moviethumb/justice-league-5bbb9babe600c.jpg">https://assets.fanart.tv/fanart/movies/141052/moviethumb/justice-league-5bbb9babe600c.jpg</thumb>
+    <thumb aspect="clearart" preview="https://assets.fanart.tv/preview/movies/141052/hdmovieclearart/justice-league-5865c23193041.png">https://assets.fanart.tv/fanart/movies/141052/hdmovieclearart/justice-league-5865c23193041.png</thumb>
+    <thumb aspect="discart" preview="https://assets.fanart.tv/preview/movies/141052/moviedisc/justice-league-5a3af26360617.png">https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-5a3af26360617.png</thumb>
+    <thumb aspect="discart" preview="https://assets.fanart.tv/preview/movies/141052/moviedisc/justice-league-58690967b9765.png">https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-58690967b9765.png</thumb>
+    <thumb aspect="discart" preview="https://assets.fanart.tv/preview/movies/141052/moviedisc/justice-league-5a953ca4db6a6.png">https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-5a953ca4db6a6.png</thumb>
+    <thumb aspect="discart" preview="https://assets.fanart.tv/preview/movies/141052/moviedisc/justice-league-5a0b913c233be.png">https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-5a0b913c233be.png</thumb>
+    <thumb aspect="discart" preview="https://assets.fanart.tv/preview/movies/141052/moviedisc/justice-league-5a87e0cdb1209.png">https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-5a87e0cdb1209.png</thumb>
+    <thumb aspect="discart" preview="https://assets.fanart.tv/preview/movies/141052/moviedisc/justice-league-59dc595362ef1.png">https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-59dc595362ef1.png</thumb>
+    <fanart>
+        <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-5a5332c7b5e77.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5a5332c7b5e77.jpg</thumb>
+        <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-5a53cf2dac1c8.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5a53cf2dac1c8.jpg</thumb>
+        <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-5976ba93eb5d3.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5976ba93eb5d3.jpg</thumb>
+        <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-58fa1f1932897.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-58fa1f1932897.jpg</thumb>
+        <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-5a14f5fd8dd16.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5a14f5fd8dd16.jpg</thumb>
+        <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-5a119394ea362.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5a119394ea362.jpg</thumb>
+    </fanart>
+    <thumb aspect="fanart">This-should-not-be-saved-as-a-fanart-image.jpg</thumb>
+</movie>
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Justice League.nfo b/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Justice League.nfo
index 72e27fe50..4e8c79dca 100644
--- a/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Justice League.nfo
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Justice League.nfo
@@ -59,6 +59,8 @@
     <thumb aspect="poster" preview="http://image.tmdb.org/t/p/w500/exLtrlI7JjKcfQVTccI7XdQRFMz.jpg">http://image.tmdb.org/t/p/original/exLtrlI7JjKcfQVTccI7XdQRFMz.jpg</thumb>
     <thumb aspect="poster" preview="http://image.tmdb.org/t/p/w500/paLcue01KpfQftorfjKqqD4qvlL.jpg">http://image.tmdb.org/t/p/original/paLcue01KpfQftorfjKqqD4qvlL.jpg</thumb>
     <thumb aspect="poster" preview="http://image.tmdb.org/t/p/w500/yVDIfiKIsCbdFcgLXW34bAsnQvy.jpg">http://image.tmdb.org/t/p/original/yVDIfiKIsCbdFcgLXW34bAsnQvy.jpg</thumb>
+    <thumb aspect="poster">C:\media\movies\Justice League (2017).jpg</thumb>
+    <thumb aspect="poster">/media/movies/Justice League (2017).jpg</thumb>
     <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-5865bf95cbadb.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-5865bf95cbadb.png</thumb>
     <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-585e9ca3bcf6a.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-585e9ca3bcf6a.png</thumb>
     <thumb aspect="clearlogo" preview="https://assets.fanart.tv/preview/movies/141052/hdmovielogo/justice-league-57b476a831d74.png">https://assets.fanart.tv/fanart/movies/141052/hdmovielogo/justice-league-57b476a831d74.png</thumb>
@@ -80,8 +82,8 @@
     <thumb aspect="discart" preview="https://assets.fanart.tv/preview/movies/141052/moviedisc/justice-league-5a0b913c233be.png">https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-5a0b913c233be.png</thumb>
     <thumb aspect="discart" preview="https://assets.fanart.tv/preview/movies/141052/moviedisc/justice-league-5a87e0cdb1209.png">https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-5a87e0cdb1209.png</thumb>
     <thumb aspect="discart" preview="https://assets.fanart.tv/preview/movies/141052/moviedisc/justice-league-59dc595362ef1.png">https://assets.fanart.tv/fanart/movies/141052/moviedisc/justice-league-59dc595362ef1.png</thumb>
+    <thumb aspect="fanart">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5793f518c6d6e.jpg</thumb>
     <fanart>
-        <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-5793f518c6d6e.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5793f518c6d6e.jpg</thumb>
         <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-5a5332c7b5e77.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5a5332c7b5e77.jpg</thumb>
         <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-5a53cf2dac1c8.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5a53cf2dac1c8.jpg</thumb>
         <thumb preview="https://assets.fanart.tv/preview/movies/141052/moviebackground/justice-league-5976ba93eb5d3.jpg">https://assets.fanart.tv/fanart/movies/141052/moviebackground/justice-league-5976ba93eb5d3.jpg</thumb>
@@ -91,7 +93,8 @@
     </fanart>
     <mpaa>Australia:M</mpaa>
     <id>tt0974015</id>
-    <uniqueid type="imdb" default="true">tt0974015</uniqueid>
+    <uniqueid type="imdb">tt0974015</uniqueid>
+    <uniqueid type="tmdb">141052</uniqueid>
     <genre>Action</genre>
     <genre>Adventure</genre>
     <genre>Fantasy</genre>
diff --git a/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Radarr.nfo b/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Radarr.nfo
new file mode 100644
index 000000000..43da4881c
--- /dev/null
+++ b/tests/Jellyfin.XbmcMetadata.Tests/Test Data/Radarr.nfo
@@ -0,0 +1,2 @@
+https://www.themoviedb.org/movie/583689
+https://www.imdb.com/title/tt4154796