1 files changed, 69 insertions, 0 deletions
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonNullableGuidConverterTests.cs b/tests/Jellyfin.Common.Tests/Json/JsonNullableGuidConverterTests.cs
new file mode 100644
index 000000000..efc0c4af9
--- /dev/null
+++ b/tests/Jellyfin.Common.Tests/Json/JsonNullableGuidConverterTests.cs
@@ -0,0 +1,69 @@
+using System;
+using System.Globalization;
+using System.Text.Json;
+using MediaBrowser.Common.Json.Converters;
+using Xunit;
+
+namespace Jellyfin.Common.Tests.Json
+{
+    public class JsonNullableGuidConverterTests
+    {
+        private readonly JsonSerializerOptions _options;
+
+        public JsonNullableGuidConverterTests()
+        {
+            _options = new JsonSerializerOptions();
+            _options.Converters.Add(new JsonNullableGuidConverter());
+        }
+
+        [Fact]
+        public void Deserialize_Valid_Success()
+        {
+            Guid? value = JsonSerializer.Deserialize<Guid?>(@"""a852a27afe324084ae66db579ee3ee18""", _options);
+            Assert.Equal(new Guid("a852a27afe324084ae66db579ee3ee18"), value);
+        }
+
+        [Fact]
+        public void Deserialize_ValidDashed_Success()
+        {
+            Guid? value = JsonSerializer.Deserialize<Guid?>(@"""e9b2dcaa-529c-426e-9433-5e9981f27f2e""", _options);
+            Assert.Equal(new Guid("e9b2dcaa-529c-426e-9433-5e9981f27f2e"), value);
+        }
+
+        [Fact]
+        public void Roundtrip_Valid_Success()
+        {
+            Guid guid = new Guid("a852a27afe324084ae66db579ee3ee18");
+            string value = JsonSerializer.Serialize(guid, _options);
+            Assert.Equal(guid, JsonSerializer.Deserialize<Guid?>(value, _options));
+        }
+
+        [Fact]
+        public void Deserialize_Null_EmptyGuid()
+        {
+            Assert.Null(JsonSerializer.Deserialize<Guid?>("null", _options));
+        }
+
+        [Fact]
+        public void Serialize_EmptyGuid_EmptyGuid()
+        {
+            Assert.Equal("null", JsonSerializer.Serialize((Guid?)Guid.Empty, _options));
+        }
+
+        [Fact]
+        public void Serialize_Valid_NoDash_Success()
+        {
+            var guid = (Guid?)new Guid("531797E9-9457-40E0-88BC-B1D6D38752FA");
+            var str = JsonSerializer.Serialize(guid, _options);
+            Assert.Equal($"\"{guid:N}\"", str);
+        }
+
+        [Fact]
+        public void Serialize_Nullable_Success()
+        {
+            Guid? guid = new Guid("531797E9-9457-40E0-88BC-B1D6D38752FA");
+            var str = JsonSerializer.Serialize(guid, _options);
+            Assert.Equal($"\"{guid:N}\"", str);
+        }
+    }
+}