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….5.6 Signed-off-by: Andy Gerlicher <angerlic@microsoft.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| // Copyright (c) Microsoft Corporation. All rights reserved. | ||
| // | ||
| // Licensed under the MIT license. | ||
|
|
||
| using Microsoft.Build.Framework; | ||
| using Microsoft.Build.Tasks; | ||
| using Microsoft.Build.UnitTests.Common; | ||
| using Microsoft.Build.Utilities; | ||
| using System; | ||
| using System.IO; | ||
| using Xunit; | ||
| using Xunit.Abstractions; | ||
|
|
||
| namespace Microsoft.Build.CopyOnWrite.UnitTests; | ||
|
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| // These tests rely on Microsoft.Build.Framework which has only a net472 and current-framework target. | ||
| // Don't compile these tests for .NET versions in between as Microsoft.Build.Framework.dll will not be | ||
| // propagated to the output dir. | ||
| #if !NET6_0 && !NET7_0 | ||
|
|
||
| public class CopyUpToDateTests : MSBuildSdkTestBase | ||
| { | ||
| // If the developer has specified this environment variable (also used in the base CoW library unit tests), | ||
| // also run tests under ReFS locally even if the current drive volume is NTFS. | ||
| private static readonly string? ReFsTestDriveRoot = Environment.GetEnvironmentVariable("CoW_Test_ReFS_Drive"); | ||
|
|
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| private readonly ITestOutputHelper _output; | ||
|
|
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| public CopyUpToDateTests(ITestOutputHelper output) | ||
| { | ||
| _output = output; | ||
| } | ||
|
|
||
| [Theory] | ||
| [InlineData(false, false)] | ||
| [InlineData(false, true)] | ||
| [InlineData(true, false)] | ||
| [InlineData(true, true)] | ||
| public void CopyFileMultipleTimes(bool skipUnchangedFiles, bool runUnderReFsIfAvailable) | ||
| { | ||
| if (runUnderReFsIfAvailable && ReFsTestDriveRoot is null) | ||
| { | ||
| return; | ||
| } | ||
|
|
||
| DisposableTempDirectory tempDir; | ||
| if (runUnderReFsIfAvailable) | ||
| { | ||
| _output.WriteLine($"Running ReFS test under {ReFsTestDriveRoot}"); | ||
| tempDir = new DisposableTempDirectory(basePath: Path.Combine(ReFsTestDriveRoot!, "CoWTests")); | ||
| } | ||
| else | ||
| { | ||
| tempDir = new DisposableTempDirectory(); | ||
| } | ||
|
|
||
| using (tempDir) | ||
| { | ||
| string file1Path = Path.Combine(tempDir.Path, "file1.txt"); | ||
| File.WriteAllBytes(file1Path, new byte[] { 0x00, 0x01, 0x02 }); | ||
| var originalFileInfo = new FileInfo(file1Path); | ||
| string destDir = Path.Combine(tempDir.Path, "dest"); | ||
|
|
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| var engine = new MockEngine(logToConsole: true); | ||
|
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| Copy copy = CreateFreshCopyTask(); | ||
|
|
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| copy.Execute(); | ||
| engine.MockLogger.AssertNoErrors(); | ||
| engine.MockLogger.AssertNoWarnings(); | ||
| var file1Info = new FileInfo(file1Path); | ||
| AssertExistenceAndEqualTimes(); | ||
|
|
||
| // Update the original file with different contents at the same size, and reset its last write time to the original. | ||
| // This allows determining a rewritten file for skipUnchangedFiles=false. | ||
| File.WriteAllBytes(file1Path, new byte[] { 0x04, 0x05, 0x06 }); | ||
| File.SetLastWriteTimeUtc(file1Path, originalFileInfo.LastWriteTimeUtc); | ||
|
|
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| string destFilePath = Path.Combine(destDir, "file1.txt"); | ||
|
|
||
| for (int i = 0; i < 2; i++) | ||
| { | ||
| copy = CreateFreshCopyTask(); | ||
| copy.Execute(); | ||
| engine.MockLogger.AssertNoErrors(); | ||
| engine.MockLogger.AssertNoWarnings(); | ||
|
|
||
| file1Info = new FileInfo(file1Path); | ||
| AssertExistenceAndEqualTimes(); | ||
|
|
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| byte[] contents = File.ReadAllBytes(destFilePath); | ||
| Assert.Equal(3, contents.Length); | ||
| if (skipUnchangedFiles) | ||
| { | ||
| Assert.Equal(0x00, contents[0]); | ||
| Assert.Equal(0x01, contents[1]); | ||
| Assert.Equal(0x02, contents[2]); | ||
| } | ||
| else | ||
| { | ||
| Assert.Equal(0x04, contents[0]); | ||
| Assert.Equal(0x05, contents[1]); | ||
| Assert.Equal(0x06, contents[2]); | ||
| } | ||
| } | ||
|
|
||
| void AssertExistenceAndEqualTimes() | ||
| { | ||
| Assert.True(file1Info.Exists); | ||
|
|
||
| // Copy or clone should uphold file time propagation semantics to ensure up-to-date checks work in the future. | ||
| Assert.Equal(originalFileInfo.CreationTimeUtc, file1Info.CreationTimeUtc); | ||
| Assert.Equal(originalFileInfo.LastWriteTimeUtc, file1Info.LastWriteTimeUtc); | ||
| } | ||
|
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||
| Copy CreateFreshCopyTask() | ||
| { | ||
| return new Copy | ||
| { | ||
| BuildEngine = engine, | ||
| DestinationFolder = new TaskItem(destDir), | ||
| RetryDelayMilliseconds = 1, | ||
| SourceFiles = new ITaskItem[] { new TaskItem(file1Path) }, | ||
| SkipUnchangedFiles = skipUnchangedFiles, | ||
| }; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #endif |
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