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 OnGetFileStreamHandlesTryCopyBlobContentStreamThrowingOperationCanceled()
{
using (WindowsFileSystemVirtualizerTester tester = new WindowsFileSystemVirtualizerTester(this.Repo))
{
MockTracer mockTracker = this.Repo.Context.Tracer as MockTracer;
mockTracker.WaitRelatedEventName = "GetFileStreamHandlerAsyncHandler_OperationCancelled";
MockGVFSGitObjects mockGVFSGitObjects = this.Repo.GitObjects as MockGVFSGitObjects;
mockGVFSGitObjects.CancelTryCopyBlobContentStream = true;
tester.InvokeGetFileDataCallback(expectedResult: HResult.Pending);
mockTracker.WaitForRelatedEvent();
}
}
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 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();
}
}
