From 1c9f1d26afc54f5d9fe834345042ae75c835cf2d Mon Sep 17 00:00:00 2001
From: Hao Kung <HaoK@users.noreply.github.com>
Date: Wed, 11 Aug 2021 16:45:26 -0700
Subject: [PATCH] Add a new shadowcopy test (#35249)
---
.../IIS.FunctionalTests/ShadowCopyTests.cs | 85 +++++++++++++++++++
1 file changed, 85 insertions(+)
diff --git a/src/Servers/IIS/IIS/test/IIS.FunctionalTests/ShadowCopyTests.cs b/src/Servers/IIS/IIS/test/IIS.FunctionalTests/ShadowCopyTests.cs
index 1a449c9bf99..375bf607eae 100644
--- a/src/Servers/IIS/IIS/test/IIS.FunctionalTests/ShadowCopyTests.cs
+++ b/src/Servers/IIS/IIS/test/IIS.FunctionalTests/ShadowCopyTests.cs
@@ -172,6 +172,91 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests
Assert.True(response.IsSuccessStatusCode);
}
+ [ConditionalFact]
+ public async Task ShadowCopyE2EWorksWithOldFoldersPresent()
+ {
+ using var directory = TempDirectory.Create();
+ var deploymentParameters = Fixture.GetBaseDeploymentParameters();
+ deploymentParameters.HandlerSettings["experimentalEnableShadowCopy"] = "true";
+ deploymentParameters.HandlerSettings["shadowCopyDirectory"] = directory.DirectoryPath;
+ var deploymentResult = await DeployAsync(deploymentParameters);
+
+ // Start with 1 to exercise the incremental logic
+ DirectoryCopy(deploymentResult.ContentRoot, Path.Combine(directory.DirectoryPath, "1"), copySubDirs: true);
+
+ var response = await deploymentResult.HttpClient.GetAsync("Wow!");
+ Assert.True(response.IsSuccessStatusCode);
+
+ using var secondTempDir = TempDirectory.Create();
+
+ // copy back and forth to cause file change notifications.
+ DirectoryCopy(deploymentResult.ContentRoot, secondTempDir.DirectoryPath, copySubDirs: true);
+ DirectoryCopy(secondTempDir.DirectoryPath, deploymentResult.ContentRoot, copySubDirs: true);
+
+ response = await deploymentResult.HttpClient.GetAsync("Wow!");
+ Assert.False(Directory.Exists(Path.Combine(directory.DirectoryPath, "0")), "Expected 0 shadow copy directory to be skipped");
+
+ // Depending on timing, this could result in a shutdown failure, but sometimes it succeeds, handle both situations
+ if (!response.IsSuccessStatusCode)
+ {
+ Assert.Equal("Application Shutting Down", response.ReasonPhrase);
+ }
+
+ // This shutdown should trigger a copy to the next highest directory, which will be 2
+ await deploymentResult.AssertRecycledAsync();
+
+ Assert.True(Directory.Exists(Path.Combine(directory.DirectoryPath, "2")), "Expected 2 shadow copy directory");
+
+ response = await deploymentResult.HttpClient.GetAsync("Wow!");
+ Assert.True(response.IsSuccessStatusCode);
+ }
+
+ [ConditionalFact]
+ public async Task ShadowCopyCleansUpOlderFolders()
+ {
+ using var directory = TempDirectory.Create();
+ var deploymentParameters = Fixture.GetBaseDeploymentParameters();
+ deploymentParameters.HandlerSettings["experimentalEnableShadowCopy"] = "true";
+ deploymentParameters.HandlerSettings["shadowCopyDirectory"] = directory.DirectoryPath;
+ var deploymentResult = await DeployAsync(deploymentParameters);
+
+ // Start with a bunch of junk
+ DirectoryCopy(deploymentResult.ContentRoot, Path.Combine(directory.DirectoryPath, "1"), copySubDirs: true);
+ DirectoryCopy(deploymentResult.ContentRoot, Path.Combine(directory.DirectoryPath, "3"), copySubDirs: true);
+ DirectoryCopy(deploymentResult.ContentRoot, Path.Combine(directory.DirectoryPath, "10"), copySubDirs: true);
+
+ var response = await deploymentResult.HttpClient.GetAsync("Wow!");
+ Assert.True(response.IsSuccessStatusCode);
+
+ using var secondTempDir = TempDirectory.Create();
+
+ // copy back and forth to cause file change notifications.
+ DirectoryCopy(deploymentResult.ContentRoot, secondTempDir.DirectoryPath, copySubDirs: true);
+ DirectoryCopy(secondTempDir.DirectoryPath, deploymentResult.ContentRoot, copySubDirs: true);
+
+ response = await deploymentResult.HttpClient.GetAsync("Wow!");
+ Assert.False(Directory.Exists(Path.Combine(directory.DirectoryPath, "0")), "Expected 0 shadow copy directory to be skipped");
+
+ // Depending on timing, this could result in a shutdown failure, but sometimes it succeeds, handle both situations
+ if (!response.IsSuccessStatusCode)
+ {
+ Assert.Equal("Application Shutting Down", response.ReasonPhrase);
+ }
+
+ // This shutdown should trigger a copy to the next highest directory, which will be 11
+ await deploymentResult.AssertRecycledAsync();
+
+ Assert.True(Directory.Exists(Path.Combine(directory.DirectoryPath, "11")), "Expected 11 shadow copy directory");
+
+ response = await deploymentResult.HttpClient.GetAsync("Wow!");
+ Assert.True(response.IsSuccessStatusCode);
+
+ // Verify old directories were cleaned up
+ Assert.False(Directory.Exists(Path.Combine(directory.DirectoryPath, "1")), "Expected 1 shadow copy directory to be deleted");
+ Assert.False(Directory.Exists(Path.Combine(directory.DirectoryPath, "3")), "Expected 3 shadow copy directory to be deleted");
+ }
+
+
[ConditionalFact]
[MaximumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10_20H2, SkipReason = "Shutdown hangs https://github.com/dotnet/aspnetcore/issues/25107")]
public async Task ShadowCopyIgnoresItsOwnDirectoryWithRelativePathSegmentWhenCopying()
--
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