1 files changed, 59 insertions, 0 deletions
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs b/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs
new file mode 100644
index 000000000..c5cc056f5
--- /dev/null
+++ b/tests/Jellyfin.Server.Implementations.Tests/Library/PathExtensionsTests.cs
@@ -0,0 +1,59 @@
+using System;
+using Emby.Server.Implementations.Library;
+using Xunit;
+
+namespace Jellyfin.Server.Implementations.Tests.Library
+{
+    public class PathExtensionsTests
+    {
+        [Theory]
+        [InlineData("Superman: Red Son [imdbid=tt10985510]", "imdbid", "tt10985510")]
+        [InlineData("Superman: Red Son - tt10985510", "imdbid", "tt10985510")]
+        [InlineData("Superman: Red Son", "imdbid", null)]
+        [InlineData("Superman: Red Son", "something", null)]
+        public void GetAttributeValue_ValidArgs_Correct(string input, string attribute, string? expectedResult)
+        {
+            Assert.Equal(expectedResult, PathExtensions.GetAttributeValue(input, attribute));
+        }
+
+        [Theory]
+        [InlineData("", "")]
+        [InlineData("Superman: Red Son [imdbid=tt10985510]", "")]
+        [InlineData("", "imdbid")]
+        public void GetAttributeValue_EmptyString_ThrowsArgumentException(string input, string attribute)
+        {
+            Assert.Throws<ArgumentException>(() => PathExtensions.GetAttributeValue(input, attribute));
+        }
+
+        [Theory]
+        [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("/home/jeff/music/jeff's band/consistently inconsistent.mp3", "/home/jeff/music/jeff's band", "/home/not jeff", "/home/not jeff/consistently inconsistent.mp3")]
+        [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/", "/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));
+            Assert.Equal(expectedResult, result);
+        }
+
+        [Theory]
+        [InlineData(null, null, null)]
+        [InlineData(null, "/my/path", "/another/path")]
+        [InlineData("/my/path", null, "/another/path")]
+        [InlineData("/my/path", "/another/path", null)]
+        [InlineData("", "", "")]
+        [InlineData("/my/path", "", "")]
+        [InlineData("", "/another/path", "")]
+        [InlineData("", "", "/new/subpath")]
+        [InlineData("/home/jeff/music/jeff's band/consistently inconsistent.mp3", "/home/jeff/music/not jeff's band", "/home/not jeff")]
+        public void TryReplaceSubPath_InvalidInput_ReturnsFalseAndNull(string? path, string? subPath, string? newSubPath)
+        {
+            Assert.False(PathExtensions.TryReplaceSubPath(path, subPath, newSubPath, out var result));
+            Assert.Null(result);
+        }
+    }
+}