Merge pull request #6763 from 1337joe/tmdb-image-provider-dedup

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/Jellyfin.Providers.Tests/Tmdb/TmdbUtilsTests.cs b/tests/Jellyfin.Providers.Tests/Tmdb/TmdbUtilsTests.cs
index f6a7c676f..efd2d9553 100644
--- a/tests/Jellyfin.Providers.Tests/Tmdb/TmdbUtilsTests.cs
+++ b/tests/Jellyfin.Providers.Tests/Tmdb/TmdbUtilsTests.cs
@@ -23,5 +23,18 @@ namespace Jellyfin.Providers.Tests.Tmdb
         {
             Assert.Equal(expected, TmdbUtils.NormalizeLanguage(input!));
         }
+
+        [Theory]
+        [InlineData(null, null, null)]
+        [InlineData(null, "en-US", null)]
+        [InlineData("en", null, "en")]
+        [InlineData("en", "en-US", "en-US")]
+        [InlineData("fr-CA", "fr-BE", "fr-CA")]
+        [InlineData("fr-CA", "fr", "fr-CA")]
+        [InlineData("de", "en-US", "de")]
+        public static void AdjustImageLanguage_Valid_Success(string imageLanguage, string requestLanguage, string expected)
+        {
+            Assert.Equal(expected, TmdbUtils.AdjustImageLanguage(imageLanguage, requestLanguage));
+        }
     }
 }