public void DeleteFile()
{
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
{
const string DeleteTestFileName = "deleteMe.txt";
UpdateFailureReason failureReason = UpdateFailureReason.NoFailure;
mockVirtualization.DeleteFileResult = Result.Success;
mockVirtualization.DeleteFileUpdateFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.DeleteFile(DeleteTestFileName, UpdatePlaceholderType.AllowReadOnly, out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.Ok, (int)mockVirtualization.DeleteFileResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.DeleteFileUpdateFailureCause);
mockVirtualization.DeleteFileResult = Result.EFileNotFound;
mockVirtualization.DeleteFileUpdateFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.DeleteFile(DeleteTestFileName, UpdatePlaceholderType.AllowReadOnly, out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.FileOrPathNotFound, (int)mockVirtualization.DeleteFileResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.DeleteFileUpdateFailureCause);
// TODO: What will the result be when the UpdateFailureCause is DirtyData
mockVirtualization.DeleteFileResult = Result.EInvalidOperation;
// TODO: The result should probably be VirtualizationInvalidOperation but for now it's IOError
mockVirtualization.DeleteFileUpdateFailureCause = UpdateFailureCause.DirtyData;
virtualizer
.DeleteFile(DeleteTestFileName, UpdatePlaceholderType.AllowReadOnly, out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.IOError, (int)mockVirtualization.DeleteFileResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.DeleteFileUpdateFailureCause);
}
}
public void OnEnumerateDirectorySetsFileModes()
{
using (MockBackgroundFileSystemTaskRunner backgroundTaskRunner = new MockBackgroundFileSystemTaskRunner())
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test644.txt", "test664.txt", "test755.txt" }))
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
using (FileSystemCallbacks fileSystemCallbacks = new FileSystemCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gitIndexProjection,
backgroundFileSystemTaskRunner: backgroundTaskRunner,
fileSystemVirtualizer: virtualizer))
{
gitIndexProjection.MockFileModes.TryAdd("test" + Path.DirectorySeparatorChar + "test644.txt", FileMode644);
gitIndexProjection.MockFileModes.TryAdd("test" + Path.DirectorySeparatorChar + "test664.txt", FileMode664);
gitIndexProjection.MockFileModes.TryAdd("test" + Path.DirectorySeparatorChar + "test755.txt", FileMode755);
string error;
fileSystemCallbacks.TryStart(out error).ShouldEqual(true);
Guid enumerationGuid = Guid.NewGuid();
gitIndexProjection.EnumerationInMemory = true;
mockVirtualization.OnEnumerateDirectory(1, "test", triggeringProcessId: 1, triggeringProcessName: "UnitTests").ShouldEqual(Result.Success);
mockVirtualization.CreatedPlaceholders.ShouldContain(
kvp => kvp.Key.Equals(Path.Combine("test", "test644.txt"), StringComparison.OrdinalIgnoreCase) && kvp.Value == FileMode644);
mockVirtualization.CreatedPlaceholders.ShouldContain(
kvp => kvp.Key.Equals(Path.Combine("test", "test664.txt"), StringComparison.OrdinalIgnoreCase) && kvp.Value == FileMode664);
mockVirtualization.CreatedPlaceholders.ShouldContain(
kvp => kvp.Key.Equals(Path.Combine("test", "test755.txt"), StringComparison.OrdinalIgnoreCase) && kvp.Value == FileMode755);
fileSystemCallbacks.Stop();
}
}
public void DeleteFile()
{
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (WindowsFileSystemVirtualizer virtualizer = new WindowsFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization, numWorkThreads))
{
UpdateFailureReason failureReason = UpdateFailureReason.NoFailure;
mockVirtualization.DeleteFileResult = HResult.Ok;
mockVirtualization.DeleteFileUpdateFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.DeleteFile("test.txt", UpdatePlaceholderType.AllowReadOnly, out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.Ok, (int)mockVirtualization.DeleteFileResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.DeleteFileUpdateFailureCause);
mockVirtualization.DeleteFileResult = HResult.FileNotFound;
mockVirtualization.DeleteFileUpdateFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.DeleteFile("test.txt", UpdatePlaceholderType.AllowReadOnly, out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.FileOrPathNotFound, (int)mockVirtualization.DeleteFileResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.DeleteFileUpdateFailureCause);
mockVirtualization.DeleteFileResult = HResult.VirtualizationInvalidOp;
mockVirtualization.DeleteFileUpdateFailureCause = UpdateFailureCause.DirtyData;
virtualizer
.DeleteFile("test.txt", UpdatePlaceholderType.AllowReadOnly, out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.VirtualizationInvalidOperation, (int)mockVirtualization.DeleteFileResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.DeleteFileUpdateFailureCause);
}
}
public void GetPlaceholderInformationHandlerCancelledDuringAsyncCallback()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
gitIndexProjection.BlockGetProjectedFileInfo(willWaitForRequest: true);
mockGvFlt.OnGetPlaceholderInformation(1, "test.txt", 0, 0, 0, 0, 1, "UnitTests").ShouldEqual(HResult.Pending);
gitIndexProjection.WaitForGetProjectedFileInfo();
mockGvFlt.OnCancelCommand(1);
gitIndexProjection.UnblockGetProjectedFileInfo();
// Cancelling in the middle of GetPlaceholderInformation still allows it to create placeholders when the cancellation does not
// interrupt network requests
mockGvFlt.WaitForPlaceholderCreate();
gitIndexProjection.WaitForPlaceholderCreate();
mockGvFlt.CreatedPlaceholders.ShouldContain(entry => entry == "test.txt");
gitIndexProjection.PlaceholdersCreated.ShouldContain(entry => entry == "test.txt");
callbacks.Stop();
}
}
public void GetPlaceholderInformationHandlerCancelledDuringNetworkRequest()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
MockTracer mockTracker = this.Repo.Context.Tracer as MockTracer;
mockTracker.WaitRelatedEventName = "GVFltGetPlaceholderInformationAsyncHandler_GetProjectedGVFltFileInfoAndShaCancelled";
gitIndexProjection.ThrowOperationCanceledExceptionOnProjectionRequest = true;
mockGvFlt.OnGetPlaceholderInformation(1, "test.txt", 0, 0, 0, 0, 1, "UnitTests").ShouldEqual(HResult.Pending);
// Cancelling in the middle of GetPlaceholderInformation in the middle of a network request should not result in placeholder
// getting created
mockTracker.WaitForRelatedEvent();
mockGvFlt.CreatedPlaceholders.ShouldNotContain(entry => entry == "test.txt");
gitIndexProjection.PlaceholdersCreated.ShouldNotContain(entry => entry == "test.txt");
callbacks.Stop();
}
}
public void OnStartDirectoryEnumerationReturnsPendingWhenResultsNotInMemory()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
Guid enumerationGuid = Guid.NewGuid();
gitIndexProjection.EnumerationInMemory = false;
mockGvFlt.OnStartDirectoryEnumeration(1, enumerationGuid, "test").ShouldEqual(HResult.Pending);
mockGvFlt.WaitForCompletionStatus().ShouldEqual(HResult.Ok);
mockGvFlt.OnEndDirectoryEnumeration(enumerationGuid).ShouldEqual(HResult.Ok);
callbacks.Stop();
}
}
public void OnEnumerateDirectorySetsFileModes()
{
const string TestFile644Name = "test644.txt";
const string TestFile664Name = "test664.txt";
const string TestFile755Name = "test755.txt";
const string TestFolderName = "testFolder";
string testFile644Path = Path.Combine(TestFolderName, TestFile644Name);
string testFile664Path = Path.Combine(TestFolderName, TestFile664Name);
string testFile755Path = Path.Combine(TestFolderName, TestFile755Name);
Mock <IPlaceholderCollection> mockPlaceholderDb = new Mock <IPlaceholderCollection>(MockBehavior.Strict);
mockPlaceholderDb.Setup(x => x.GetCount()).Returns(1);
Mock <ISparseCollection> mockSparseDb = new Mock <ISparseCollection>(MockBehavior.Strict);
using (MockBackgroundFileSystemTaskRunner backgroundTaskRunner = new MockBackgroundFileSystemTaskRunner())
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
// Don't include TestFolderName as MockGitIndexProjection returns the same list of files regardless of what folder name
// it is passed
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { TestFile644Name, TestFile664Name, TestFile755Name }))
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
using (FileSystemCallbacks fileSystemCallbacks = new FileSystemCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gitIndexProjection,
backgroundTaskRunner,
virtualizer,
mockPlaceholderDb.Object,
mockSparseDb.Object))
{
gitIndexProjection.MockFileTypesAndModes.TryAdd(
testFile644Path,
ConvertFileTypeAndModeToIndexFormat(GitIndexProjection.FileType.Regular, GitIndexProjection.FileMode644));
gitIndexProjection.MockFileTypesAndModes.TryAdd(
testFile664Path,
ConvertFileTypeAndModeToIndexFormat(GitIndexProjection.FileType.Regular, GitIndexProjection.FileMode664));
gitIndexProjection.MockFileTypesAndModes.TryAdd(
testFile755Path,
ConvertFileTypeAndModeToIndexFormat(GitIndexProjection.FileType.Regular, GitIndexProjection.FileMode755));
string error;
fileSystemCallbacks.TryStart(out error).ShouldEqual(true);
Guid enumerationGuid = Guid.NewGuid();
gitIndexProjection.EnumerationInMemory = true;
mockVirtualization.OnEnumerateDirectory(1, TestFolderName, triggeringProcessId: 1, triggeringProcessName: "UnitTests").ShouldEqual(Result.Success);
mockVirtualization.CreatedPlaceholders.ShouldContain(
kvp => kvp.Key.Equals(testFile644Path, StringComparison.OrdinalIgnoreCase) && kvp.Value == GitIndexProjection.FileMode644);
mockVirtualization.CreatedPlaceholders.ShouldContain(
kvp => kvp.Key.Equals(testFile664Path, StringComparison.OrdinalIgnoreCase) && kvp.Value == GitIndexProjection.FileMode664);
mockVirtualization.CreatedPlaceholders.ShouldContain(
kvp => kvp.Key.Equals(testFile755Path, StringComparison.OrdinalIgnoreCase) && kvp.Value == GitIndexProjection.FileMode755);
fileSystemCallbacks.Stop();
}
mockPlaceholderDb.VerifyAll();
mockSparseDb.VerifyAll();
}
public void OnGetFileStreamReturnsInternalErrorWhenPlaceholderVersionDoesNotMatchExpected()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
blobSizes: null,
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
Guid enumerationGuid = Guid.NewGuid();
byte[] contentId = GVFltCallbacks.ConvertShaToContentId("0123456789012345678901234567890123456789");
byte[] epochId = new byte[] { GVFltCallbacks.PlaceholderVersion + 1 };
mockGvFlt.OnGetFileStream(
commandId: 1,
relativePath: "test.txt",
byteOffset: 0,
length: 100,
streamGuid: Guid.NewGuid(),
contentId: contentId,
epochId: epochId,
triggeringProcessId: 2,
triggeringProcessImageFileName: "UnitTest").ShouldEqual(NtStatus.InternalError);
}
}
public void GetPlaceholderInformationHandlerPathProjected()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
mockGvFlt.OnGetPlaceholderInformation(1, "test.txt", 0, 0, 0, 0, 1, "UnitTests").ShouldEqual(HResult.Pending);
mockGvFlt.WaitForCompletionStatus().ShouldEqual(HResult.Ok);
mockGvFlt.CreatedPlaceholders.ShouldContain(entry => entry == "test.txt");
gitIndexProjection.PlaceholdersCreated.ShouldContain(entry => entry == "test.txt");
callbacks.Stop();
}
}
public void UpdatePlaceholderToSymLink()
{
const string PlaceholderToLinkFileName = "testUpdatePlaceholderToLink.txt";
Mock <IPlaceholderCollection> mockPlaceholderDb = new Mock <IPlaceholderCollection>(MockBehavior.Strict);
mockPlaceholderDb.Setup(x => x.GetCount()).Returns(1);
using (MockBackgroundFileSystemTaskRunner backgroundTaskRunner = new MockBackgroundFileSystemTaskRunner())
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { PlaceholderToLinkFileName }))
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
using (FileSystemCallbacks fileSystemCallbacks = new FileSystemCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gitIndexProjection,
backgroundTaskRunner,
virtualizer,
mockPlaceholderDb.Object))
{
gitIndexProjection.MockFileTypesAndModes.TryAdd(
PlaceholderToLinkFileName,
ConvertFileTypeAndModeToIndexFormat(GitIndexProjection.FileType.SymLink, fileMode: 0));
string error;
fileSystemCallbacks.TryStart(out error).ShouldEqual(true);
UpdateFailureReason failureReason = UpdateFailureReason.NoFailure;
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.Success;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.UpdatePlaceholderIfNeeded(
PlaceholderToLinkFileName,
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.Ok, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
mockVirtualization.UpdatedPlaceholders.Count.ShouldEqual(0, "UpdatePlaceholderIfNeeded should not be called when converting a placeholder to a link");
mockVirtualization.CreatedSymLinks.Count.ShouldEqual(1);
mockVirtualization.CreatedSymLinks.ShouldContain(entry => entry.Equals(PlaceholderToLinkFileName));
// Creating a symlink should schedule a background task
backgroundTaskRunner.Count.ShouldEqual(1);
backgroundTaskRunner.BackgroundTasks[0].Operation.ShouldEqual(GVFS.Virtualization.Background.FileSystemTask.OperationType.OnFileSymLinkCreated);
backgroundTaskRunner.BackgroundTasks[0].VirtualPath.ShouldEqual(PlaceholderToLinkFileName);
fileSystemCallbacks.Stop();
}
mockPlaceholderDb.VerifyAll();
}
public void ClearNegativePathCacheIsNoOp()
{
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
{
uint totalEntryCount = 0;
virtualizer.ClearNegativePathCache(out totalEntryCount).ShouldEqual(new FileSystemResult(FSResult.Ok, (int)Result.Success));
totalEntryCount.ShouldEqual(0U);
}
}
public void OnGetFileStreamReturnsSuccessWhenFileStreamAvailable()
{
const string TestFileName = "test.txt";
Mock <IPlaceholderCollection> mockPlaceholderDb = new Mock <IPlaceholderCollection>(MockBehavior.Strict);
mockPlaceholderDb.Setup(x => x.GetCount()).Returns(1);
Mock <ISparseCollection> mockSparseDb = new Mock <ISparseCollection>(MockBehavior.Strict);
using (MockBackgroundFileSystemTaskRunner backgroundTaskRunner = new MockBackgroundFileSystemTaskRunner())
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { TestFileName }))
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
using (FileSystemCallbacks fileSystemCallbacks = new FileSystemCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gitIndexProjection,
backgroundTaskRunner,
virtualizer,
mockPlaceholderDb.Object,
mockSparseDb.Object))
{
string error;
fileSystemCallbacks.TryStart(out error).ShouldEqual(true);
byte[] contentId = FileSystemVirtualizer.ConvertShaToContentId("0123456789012345678901234567890123456789");
byte[] placeholderVersion = MacFileSystemVirtualizer.PlaceholderVersionId;
uint fileLength = 100;
MockGVFSGitObjects mockGVFSGitObjects = this.Repo.GitObjects as MockGVFSGitObjects;
mockGVFSGitObjects.FileLength = fileLength;
mockVirtualization.WriteFileReturnResult = Result.Success;
mockVirtualization.OnGetFileStream(
commandId: 1,
relativePath: TestFileName,
providerId: placeholderVersion,
contentId: contentId,
triggeringProcessId: 2,
triggeringProcessName: "UnitTest",
fileHandle: IntPtr.Zero).ShouldEqual(Result.Success);
mockVirtualization.BytesWritten.ShouldEqual(fileLength);
fileSystemCallbacks.Stop();
}
mockPlaceholderDb.VerifyAll();
mockSparseDb.VerifyAll();
}
public void ClearNegativePathCache()
{
const uint InitialNegativePathCacheCount = 7;
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (WindowsFileSystemVirtualizer virtualizer = new WindowsFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization, numWorkThreads))
{
mockVirtualization.NegativePathCacheCount = InitialNegativePathCacheCount;
uint totalEntryCount;
virtualizer.ClearNegativePathCache(out totalEntryCount).ShouldEqual(new FileSystemResult(FSResult.Ok, (int)HResult.Ok));
totalEntryCount.ShouldEqual(InitialNegativePathCacheCount);
}
}
public void WritePlaceholderForSymLink()
{
const string WriteSymLinkFileName = "testWriteSymLink.txt";
Mock <IPlaceholderCollection> mockPlaceholderDb = new Mock <IPlaceholderCollection>(MockBehavior.Strict);
mockPlaceholderDb.Setup(x => x.GetCount()).Returns(1);
Mock <ISparseCollection> mockSparseDb = new Mock <ISparseCollection>(MockBehavior.Strict);
using (MockBackgroundFileSystemTaskRunner backgroundTaskRunner = new MockBackgroundFileSystemTaskRunner())
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { WriteSymLinkFileName }))
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
using (FileSystemCallbacks fileSystemCallbacks = new FileSystemCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gitIndexProjection,
backgroundTaskRunner,
virtualizer,
mockPlaceholderDb.Object,
mockSparseDb.Object))
{
gitIndexProjection.MockFileTypesAndModes.TryAdd(
WriteSymLinkFileName,
ConvertFileTypeAndModeToIndexFormat(GitIndexProjection.FileType.SymLink, fileMode: 0));
string error;
fileSystemCallbacks.TryStart(out error).ShouldEqual(true);
virtualizer.WritePlaceholderFile(
WriteSymLinkFileName,
endOfFile: 0,
sha: string.Empty).ShouldEqual(new FileSystemResult(FSResult.Ok, (int)Result.Success));
mockVirtualization.CreatedPlaceholders.ShouldBeEmpty();
mockVirtualization.CreatedSymLinks.Count.ShouldEqual(1);
mockVirtualization.CreatedSymLinks.ShouldContain(entry => entry.Equals(WriteSymLinkFileName));
// Creating a symlink should schedule a background task
backgroundTaskRunner.Count.ShouldEqual(1);
backgroundTaskRunner.BackgroundTasks[0].Operation.ShouldEqual(GVFS.Virtualization.Background.FileSystemTask.OperationType.OnFileSymLinkCreated);
backgroundTaskRunner.BackgroundTasks[0].VirtualPath.ShouldEqual(WriteSymLinkFileName);
fileSystemCallbacks.Stop();
}
mockPlaceholderDb.VerifyAll();
mockSparseDb.VerifyAll();
}
public void OnGetFileStreamHandlesCancellationDuringWriteAction()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
Guid enumerationGuid = Guid.NewGuid();
byte[] contentId = GVFltCallbacks.ConvertShaToContentId("0123456789012345678901234567890123456789");
byte[] placeholderVersion = GVFltCallbacks.GetPlaceholderVersionId();
uint fileLength = 100;
MockGVFSGitObjects mockGVFSGitObjects = this.Repo.GitObjects as MockGVFSGitObjects;
mockGVFSGitObjects.FileLength = fileLength;
MockTracer mockTracker = this.Repo.Context.Tracer as MockTracer;
mockTracker.WaitRelatedEventName = "GVFltGetFileStreamHandlerAsyncHandler_OperationCancelled";
mockGvFlt.BlockCreateWriteBuffer(willWaitForRequest: true);
mockGvFlt.OnGetFileStream(
commandId: 1,
relativePath: "test.txt",
byteOffset: 0,
length: fileLength,
streamGuid: Guid.NewGuid(),
contentId: contentId,
providerId: placeholderVersion,
triggeringProcessId: 2,
triggeringProcessImageFileName: "UnitTest").ShouldEqual(HResult.Pending);
mockGvFlt.WaitForCreateWriteBuffer();
mockGvFlt.OnCancelCommand(1);
mockGvFlt.UnblockCreateWriteBuffer();
mockTracker.WaitForRelatedEvent();
callbacks.Stop();
}
}
public void OnGetFileStreamHandlesGvWriteFailure()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
blobSizes: null,
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
Guid enumerationGuid = Guid.NewGuid();
byte[] contentId = GVFltCallbacks.ConvertShaToContentId("0123456789012345678901234567890123456789");
byte[] epochId = GVFltCallbacks.GetEpochId();
uint fileLength = 100;
MockGVFSGitObjects mockGVFSGitObjects = this.Repo.GitObjects as MockGVFSGitObjects;
mockGVFSGitObjects.FileLength = fileLength;
MockTracer mockTracker = this.Repo.Context.Tracer as MockTracer;
mockTracker.WaitRelatedEventName = "GVFltGetFileStreamHandlerAsyncHandler_OperationCancelled";
mockGvFlt.WriteFileReturnStatus = NtStatus.InternalError;
mockGvFlt.OnGetFileStream(
commandId: 1,
relativePath: "test.txt",
byteOffset: 0,
length: fileLength,
streamGuid: Guid.NewGuid(),
contentId: contentId,
epochId: epochId,
triggeringProcessId: 2,
triggeringProcessImageFileName: "UnitTest").ShouldEqual(NtStatus.Pending);
mockGvFlt.WaitForCompletionStatus().ShouldEqual(mockGvFlt.WriteFileReturnStatus);
callbacks.Stop();
}
}
public void OnGetFileStreamReturnsPendingAndCompletesWithSuccessWhenNoFailures()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
Guid enumerationGuid = Guid.NewGuid();
byte[] contentId = GVFltCallbacks.ConvertShaToContentId("0123456789012345678901234567890123456789");
byte[] placeholderVersion = GVFltCallbacks.GetPlaceholderVersionId();
uint fileLength = 100;
MockGVFSGitObjects mockGVFSGitObjects = this.Repo.GitObjects as MockGVFSGitObjects;
mockGVFSGitObjects.FileLength = fileLength;
mockGvFlt.WriteFileReturnResult = HResult.Ok;
mockGvFlt.OnGetFileStream(
commandId: 1,
relativePath: "test.txt",
byteOffset: 0,
length: fileLength,
streamGuid: Guid.NewGuid(),
contentId: contentId,
providerId: placeholderVersion,
triggeringProcessId: 2,
triggeringProcessImageFileName: "UnitTest").ShouldEqual(HResult.Pending);
mockGvFlt.WaitForCompletionStatus().ShouldEqual(HResult.Ok);
callbacks.Stop();
}
}
public void GetPlaceholderInformationHandlerPathNotProjected()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
blobSizes: null,
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
mockGvFlt.OnGetPlaceholderInformation(1, "doesNotExist", 0, 0, 0, 0, 1, "UnitTests").ShouldEqual(NtStatus.ObjectNameNotFound);
}
}
public void OnGetFileStreamReturnsErrorWhenWriteFileContentsFails()
{
const string TestFileName = "test.txt";
using (MockBackgroundFileSystemTaskRunner backgroundTaskRunner = new MockBackgroundFileSystemTaskRunner())
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { TestFileName }))
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
using (FileSystemCallbacks fileSystemCallbacks = new FileSystemCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gitIndexProjection,
backgroundFileSystemTaskRunner: backgroundTaskRunner,
fileSystemVirtualizer: virtualizer))
{
string error;
fileSystemCallbacks.TryStart(out error).ShouldEqual(true);
byte[] contentId = FileSystemVirtualizer.ConvertShaToContentId("0123456789012345678901234567890123456789");
byte[] placeholderVersion = MacFileSystemVirtualizer.PlaceholderVersionId;
uint fileLength = 100;
MockGVFSGitObjects mockGVFSGitObjects = this.Repo.GitObjects as MockGVFSGitObjects;
mockGVFSGitObjects.FileLength = fileLength;
mockVirtualization.WriteFileReturnResult = Result.EIOError;
mockVirtualization.OnGetFileStream(
commandId: 1,
relativePath: TestFileName,
providerId: placeholderVersion,
contentId: contentId,
triggeringProcessId: 2,
triggeringProcessName: "UnitTest",
fileHandle: IntPtr.Zero).ShouldEqual(Result.EIOError);
fileSystemCallbacks.Stop();
}
}
public void GetPlaceholderInformationHandlerCancelledBeforeSchedulingAsync()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
gitIndexProjection.BlockIsPathProjected(willWaitForRequest: true);
Task.Run(() =>
{
// Wait for OnGetPlaceholderInformation to call IsPathProjected and then while it's blocked there
// call OnCancelCommand
gitIndexProjection.WaitForIsPathProjected();
mockGvFlt.OnCancelCommand(1);
gitIndexProjection.UnblockIsPathProjected();
});
mockGvFlt.OnGetPlaceholderInformation(1, "test.txt", 0, 0, 0, 0, 1, "UnitTests").ShouldEqual(HResult.Pending);
// Cancelling before GetPlaceholderInformation has registered the command results in placeholders being created
mockGvFlt.WaitForPlaceholderCreate();
gitIndexProjection.WaitForPlaceholderCreate();
mockGvFlt.CreatedPlaceholders.ShouldContain(entry => entry == "test.txt");
gitIndexProjection.PlaceholdersCreated.ShouldContain(entry => entry == "test.txt");
callbacks.Stop();
}
}
public void OnEnumerateDirectoryReturnsSuccessWhenResultsInMemory()
{
const string TestFileName = "test.txt";
const string TestFolderName = "testFolder";
string testFilePath = Path.Combine(TestFolderName, TestFileName);
using (MockBackgroundFileSystemTaskRunner backgroundTaskRunner = new MockBackgroundFileSystemTaskRunner())
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
// Don't include TestFolderName as MockGitIndexProjection returns the same list of files regardless of what folder name
// it is passed
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { TestFileName }))
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
using (FileSystemCallbacks fileSystemCallbacks = new FileSystemCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gitIndexProjection,
backgroundFileSystemTaskRunner: backgroundTaskRunner,
fileSystemVirtualizer: virtualizer))
{
gitIndexProjection.MockFileTypesAndModes.TryAdd(
testFilePath,
ConvertFileTypeAndModeToIndexFormat(GitIndexProjection.FileType.Regular, GitIndexProjection.FileMode644));
string error;
fileSystemCallbacks.TryStart(out error).ShouldEqual(true);
Guid enumerationGuid = Guid.NewGuid();
gitIndexProjection.EnumerationInMemory = true;
mockVirtualization.OnEnumerateDirectory(1, TestFolderName, triggeringProcessId: 1, triggeringProcessName: "UnitTests").ShouldEqual(Result.Success);
mockVirtualization.CreatedPlaceholders.ShouldContain(
kvp => kvp.Key.Equals(testFilePath, StringComparison.OrdinalIgnoreCase) && kvp.Value == GitIndexProjection.FileMode644);
gitIndexProjection.ExpandedFolders.ShouldMatchInOrder(TestFolderName);
fileSystemCallbacks.Stop();
}
}
public void OnStartDirectoryEnumerationReturnsSuccessWhenResultsInMemory()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
blobSizes: null,
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
Guid enumerationGuid = Guid.NewGuid();
gitIndexProjection.EnumerationInMemory = true;
mockGvFlt.OnStartDirectoryEnumeration(1, enumerationGuid, "test").ShouldEqual(NtStatus.Success);
mockGvFlt.OnEndDirectoryEnumeration(enumerationGuid).ShouldEqual(NtStatus.Success);
}
}
public void UpdatePlaceholderIfNeeded()
{
const string UpdatePlaceholderFileName = "testUpdatePlaceholder.txt";
using (MockBackgroundFileSystemTaskRunner backgroundTaskRunner = new MockBackgroundFileSystemTaskRunner())
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { UpdatePlaceholderFileName }))
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
using (FileSystemCallbacks fileSystemCallbacks = new FileSystemCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gitIndexProjection,
backgroundTaskRunner,
virtualizer))
{
gitIndexProjection.MockFileTypesAndModes.TryAdd(
UpdatePlaceholderFileName,
ConvertFileTypeAndModeToIndexFormat(GitIndexProjection.FileType.Regular, GitIndexProjection.FileMode644));
string error;
fileSystemCallbacks.TryStart(out error).ShouldEqual(true);
UpdateFailureReason failureReason = UpdateFailureReason.NoFailure;
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.Success;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.UpdatePlaceholderIfNeeded(
UpdatePlaceholderFileName,
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.Ok, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
mockVirtualization.UpdatedPlaceholders.ShouldContain(path => path.Key.Equals(UpdatePlaceholderFileName) && path.Value == GitIndexProjection.FileMode644);
mockVirtualization.UpdatedPlaceholders.Clear();
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.EFileNotFound;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.UpdatePlaceholderIfNeeded(
UpdatePlaceholderFileName,
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.FileOrPathNotFound, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
// TODO: What will the result be when the UpdateFailureCause is DirtyData
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.EInvalidOperation;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.DirtyData;
// TODO: The result should probably be VirtualizationInvalidOperation but for now it's IOError
virtualizer
.UpdatePlaceholderIfNeeded(
UpdatePlaceholderFileName,
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.IOError, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
fileSystemCallbacks.Stop();
}
}
public void UpdatePlaceholderIfNeeded()
{
using (MockBackgroundFileSystemTaskRunner backgroundTaskRunner = new MockBackgroundFileSystemTaskRunner())
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
using (FileSystemCallbacks fileSystemCallbacks = new FileSystemCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gitIndexProjection,
backgroundTaskRunner,
virtualizer))
{
gitIndexProjection.MockFileModes.TryAdd("test" + Path.DirectorySeparatorChar + "test.txt", FileMode644);
string error;
fileSystemCallbacks.TryStart(out error).ShouldEqual(true);
UpdateFailureReason failureReason = UpdateFailureReason.NoFailure;
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.Success;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.UpdatePlaceholderIfNeeded(
"test.txt",
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.Ok, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.EFileNotFound;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.UpdatePlaceholderIfNeeded(
"test.txt",
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.FileOrPathNotFound, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
// TODO: What will the result be when the UpdateFailureCause is DirtyData
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.EInvalidOperation;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.DirtyData;
// TODO: The result should probably be VirtualizationInvalidOperation but for now it's IOError
virtualizer
.UpdatePlaceholderIfNeeded(
"test.txt",
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.IOError, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
fileSystemCallbacks.Stop();
}
}
public void UpdatePlaceholderIfNeeded()
{
using (MockVirtualizationInstance mockVirtualization = new MockVirtualizationInstance())
using (MacFileSystemVirtualizer virtualizer = new MacFileSystemVirtualizer(this.Repo.Context, this.Repo.GitObjects, mockVirtualization))
{
UpdateFailureReason failureReason = UpdateFailureReason.NoFailure;
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.Success;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.UpdatePlaceholderIfNeeded(
"test.txt",
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.Ok, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.EFileNotFound;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.NoFailure;
virtualizer
.UpdatePlaceholderIfNeeded(
"test.txt",
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.FileOrPathNotFound, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
// TODO: What will the result be when the UpdateFailureCause is DirtyData
mockVirtualization.UpdatePlaceholderIfNeededResult = Result.EInvalidOperation;
mockVirtualization.UpdatePlaceholderIfNeededFailureCause = UpdateFailureCause.DirtyData;
// TODO: The result should probably be VirtualizationInvalidOperation but for now it's IOError
virtualizer
.UpdatePlaceholderIfNeeded(
"test.txt",
DateTime.Now,
DateTime.Now,
DateTime.Now,
DateTime.Now,
0,
15,
string.Empty,
UpdatePlaceholderType.AllowReadOnly,
out failureReason)
.ShouldEqual(new FileSystemResult(FSResult.IOError, (int)mockVirtualization.UpdatePlaceholderIfNeededResult));
failureReason.ShouldEqual((UpdateFailureReason)mockVirtualization.UpdatePlaceholderIfNeededFailureCause);
}
}