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test(mocks): stabilize generated snapshot ordering
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thomhurst committed May 2, 2026
commit d25da85b375f0517171b07023068d42723b2851d
12 changes: 11 additions & 1 deletion TUnit.Mocks.SourceGenerator.Tests/SnapshotTestBase.cs
Original file line number Diff line number Diff line change
Expand Up @@ -68,11 +68,21 @@ protected static string[] RunGenerator(
}

return runResult.GeneratedTrees
.OrderBy(t => t.FilePath, StringComparer.Ordinal)
.OrderBy(t => GetGeneratedTreeSortKey(t.FilePath), StringComparer.Ordinal)
.Select(t => t.GetText().ToString())
.ToArray();
}

private static string GetGeneratedTreeSortKey(string filePath)
{
var normalizedPath = filePath.Replace('\\', '/');
var fileNameStart = normalizedPath.LastIndexOf('/');

return fileNameStart >= 0
? normalizedPath[(fileNameStart + 1)..]
: normalizedPath;
}

/// <summary>
/// Compiles the given source into an in-memory assembly and returns it as a MetadataReference.
/// Useful for simulating external assemblies in tests.
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