Adding tests for AiredEpisodeOrderComparer.

2 files changed, 101 insertions, 0 deletions

diff --git a/tests/Emby.Server.Implementations.Tests/AiredEpisodeOrderComparerTests.cs b/tests/Emby.Server.Implementations.Tests/AiredEpisodeOrderComparerTests.cs
new file mode 100644
index 000000000..a13c8a544
--- /dev/null
+++ b/tests/Emby.Server.Implementations.Tests/AiredEpisodeOrderComparerTests.cs
@@ -0,0 +1,74 @@
+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 Emby.Server.Implementations.Tests
+{
+    public class AiredEpisodeOrderComparerTests
+    {
+        [Theory]
+        [ClassData(typeof(EpisodeTestData))]
+        public void Test1(BaseItem x, BaseItem y, int expected, bool err)
+        {
+            var cmp = new AiredEpisodeOrderComparer();
+            if (err == true)
+            {
+                Assert.Throws<ArgumentNullException>(() => cmp.Compare(x, y));
+            }
+            else
+            {
+                Assert.Equal(expected, cmp.Compare(x, y));
+                if (expected == 1)
+                {
+                    Assert.Equal(expected * -1, cmp.Compare(y, x));
+                }
+            }
+        }
+
+        private class EpisodeTestData : IEnumerable<object?[]>
+        {
+            public IEnumerator<object?[]> GetEnumerator()
+            {
+                // Some Error or "bad" cases
+                yield return new object?[] { null, new Episode(), 0, true };
+                yield return new object?[] { new Episode(), null, 0, true };
+
+                yield return new object?[] { new Movie(), new Movie(), 0, false };
+                yield return new object?[] { new Movie(), new Episode(), 1, false };
+                // Good cases
+                yield return new object?[] { new Episode(), new Episode(), 0, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 1 }, new Episode { ParentIndexNumber = 1, IndexNumber = 1 }, 0, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 2 }, new Episode { ParentIndexNumber = 1, IndexNumber = 1 }, 1, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 2, IndexNumber = 1 }, new Episode { ParentIndexNumber = 1, IndexNumber = 1 }, 1, false };
+                // Good Specials
+                yield return new object?[] { new Episode { ParentIndexNumber = 0, IndexNumber = 1 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1 }, 0, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 0, IndexNumber = 2 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1 }, 1, false };
+
+                // Specials to Episodes
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 1 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1 }, 1, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 1 }, new Episode { ParentIndexNumber = 0, IndexNumber = 2 }, 1, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 2 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1 }, 1, false };
+
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 2 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1 }, 1, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 1 }, new Episode { ParentIndexNumber = 0, IndexNumber = 2 }, 1, false };
+
+                yield return new object?[] { new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsAfterSeasonNumber = 1 }, new Episode { ParentIndexNumber = 1, IndexNumber = 1 }, 1, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 3, IndexNumber = 1 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsAfterSeasonNumber = 1 }, 1, false };
+
+                yield return new object?[] { new Episode { ParentIndexNumber = 3, IndexNumber = 1 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsAfterSeasonNumber = 1, AirsBeforeEpisodeNumber = 2 }, 1, false };
+
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 1 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsBeforeSeasonNumber = 1 }, 1, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 2 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsBeforeSeasonNumber = 1, AirsBeforeEpisodeNumber = 2 }, 1, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 1 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsBeforeSeasonNumber = 1, AirsBeforeEpisodeNumber = 2 }, 0, false };
+                yield return new object?[] { new Episode { ParentIndexNumber = 1, IndexNumber = 3 }, new Episode { ParentIndexNumber = 0, IndexNumber = 1, AirsBeforeSeasonNumber = 1, AirsBeforeEpisodeNumber = 2 }, 1, false };
+            }
+
+            IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+        }
+    }
+}
diff --git a/tests/Emby.Server.Implementations.Tests/Emby.Server.Implementations.Tests.csproj b/tests/Emby.Server.Implementations.Tests/Emby.Server.Implementations.Tests.csproj
new file mode 100644
index 000000000..aa5d4bff4
--- /dev/null
+++ b/tests/Emby.Server.Implementations.Tests/Emby.Server.Implementations.Tests.csproj
@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+    <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="1.3.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\Emby.Server.Implementations\Emby.Server.Implementations.csproj" />
+    <ProjectReference Include="..\..\MediaBrowser.Controller\MediaBrowser.Controller.csproj" />
+  </ItemGroup>
+
+</Project>