40 lines
1.4 KiB
C#
40 lines
1.4 KiB
C#
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namespace SongTidy.Tests.TestUtilities;
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/// <summary>
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/// Creates a unique temporary directory per test instance and removes it on disposal.
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/// </summary>
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public sealed class TempDirectory : IDisposable {
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/// <summary>
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/// Gets the unique directory path managed by this instance.
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/// </summary>
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public string FullPath { get; }
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/// <summary>
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/// Creates a unique temporary directory.
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/// </summary>
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public TempDirectory() {
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FullPath = Path.Combine(Path.GetTempPath(), "songtidy-tests-" + Guid.NewGuid().ToString("N"));
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Directory.CreateDirectory(FullPath);
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}
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/// <summary>
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/// Deletes the directory tree, retrying once after a short delay.
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/// </summary>
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public void Dispose() {
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try {
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// SAFETY: Recursive deletion is confined to the GUID-named directory
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// created by this instance under the OS temp folder.
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Directory.Delete(FullPath, recursive: true);
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} catch (IOException) {
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// A file handle may still be closing; retry once before giving up.
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Thread.Sleep(100);
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try {
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// SAFETY: The retry targets the same instance-owned temp directory.
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Directory.Delete(FullPath, recursive: true);
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} catch (IOException) {
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// Leftovers in the OS temp folder are harmless; never fail a test over cleanup.
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}
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}
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}
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}
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