public void FilesChanged_WithSpecificFlags_InvokesChangedHandler_WithExpectedArguments(uint fileChangeFlag, int expectedKind)
{
// Arrange
var filePath = TestProjectData.SomeProjectImportFile.FilePath;
uint cookie;
var fileChangeService = new Mock <IVsFileChangeEx>();
fileChangeService
.Setup(f => f.AdviseFileChange(It.IsAny <string>(), It.IsAny <uint>(), It.IsAny <IVsFileChangeEvents>(), out cookie))
.Returns(VSConstants.S_OK);
var tracker = new VisualStudioFileChangeTracker(filePath, Dispatcher, ErrorReporter, fileChangeService.Object);
var called = false;
tracker.Changed += (sender, args) =>
{
called = true;
Assert.Same(sender, tracker);
Assert.Equal(filePath, args.FilePath);
Assert.Equal((FileChangeKind)expectedKind, args.Kind);
};
// Act
tracker.FilesChanged(fileCount: 1, filePaths: new[] { filePath }, fileChangeFlags: new[] { fileChangeFlag });
// Assert
Assert.True(called);
}
public override FileChangeTracker Create(string filePath)
{
if (string.IsNullOrEmpty(filePath))
{
throw new ArgumentException(Resources.ArgumentCannotBeNullOrEmpty, nameof(filePath));
}
var fileChangeTracker = new VisualStudioFileChangeTracker(filePath, _foregroundDispatcher, _errorReporter, _fileChangeService, _joinableTaskContext.Factory);
return(fileChangeTracker);
}
public void StopListening_NotListening_DoesNothing()
{
// Arrange
uint cookie = VSConstants.VSCOOKIE_NIL;
var fileChangeService = new Mock <IVsFileChangeEx>(MockBehavior.Strict);
fileChangeService
.Setup(f => f.UnadviseFileChange(cookie))
.Throws(new InvalidOperationException());
var tracker = new VisualStudioFileChangeTracker(TestProjectData.SomeProjectImportFile.FilePath, Dispatcher, ErrorReporter, fileChangeService.Object);
// Act & Assert
tracker.StopListening();
}
public void StopListening_NotListening_DoesNothing()
{
// Arrange
var fileChangeService = new Mock <IVsAsyncFileChangeEx>(MockBehavior.Strict);
fileChangeService
.Setup(f => f.UnadviseFileChangeAsync(123, It.IsAny <CancellationToken>()))
.Throws(new InvalidOperationException());
var tracker = new VisualStudioFileChangeTracker(TestProjectData.SomeProjectImportFile.FilePath, ErrorReporter, fileChangeService.Object, Dispatcher, JoinableTaskFactory.Context);
// Act
tracker.StopListening();
// Assert
Assert.Null(tracker._fileChangeUnadviseTask);
}
public async Task StartListening_AdvisesForFileChange()
{
// Arrange
var fileChangeService = new Mock <IVsAsyncFileChangeEx>(MockBehavior.Strict);
fileChangeService
.Setup(f => f.AdviseFileChangeAsync(It.IsAny <string>(), It.IsAny <_VSFILECHANGEFLAGS>(), It.IsAny <IVsFreeThreadedFileChangeEvents2>(), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult <uint>(123))
.Verifiable();
var tracker = new VisualStudioFileChangeTracker(TestProjectData.SomeProjectImportFile.FilePath, ErrorReporter, fileChangeService.Object, Dispatcher, JoinableTaskFactory.Context);
// Act
tracker.StartListening();
await tracker._fileChangeAdviseTask;
// Assert
fileChangeService.Verify();
}
public void StartListening_AdvisesForFileChange()
{
// Arrange
uint cookie;
var fileChangeService = new Mock <IVsFileChangeEx>();
fileChangeService
.Setup(f => f.AdviseFileChange(It.IsAny <string>(), It.IsAny <uint>(), It.IsAny <IVsFileChangeEvents>(), out cookie))
.Returns(VSConstants.S_OK)
.Verifiable();
var tracker = new VisualStudioFileChangeTracker(TestProjectData.SomeProjectImportFile.FilePath, Dispatcher, ErrorReporter, fileChangeService.Object);
// Act
tracker.StartListening();
// Assert
fileChangeService.Verify();
}
public async Task StartListening_AlreadyListening_DoesNothing()
{
// Arrange
var callCount = 0;
var fileChangeService = new Mock <IVsAsyncFileChangeEx>(MockBehavior.Strict);
fileChangeService
.Setup(f => f.AdviseFileChangeAsync(It.IsAny <string>(), It.IsAny <_VSFILECHANGEFLAGS>(), It.IsAny <IVsFreeThreadedFileChangeEvents2>(), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult <uint>(123))
.Callback(() => callCount++);
var tracker = new VisualStudioFileChangeTracker(TestProjectData.SomeProjectImportFile.FilePath, Dispatcher, ErrorReporter, fileChangeService.Object, JoinableTaskFactory);
tracker.StartListening();
// Act
tracker.StartListening();
await tracker._fileChangeAdviseTask;
// Assert
Assert.Equal(1, callCount);
}
public void StartListening_AlreadyListening_DoesNothing()
{
// Arrange
uint cookie = 100;
var callCount = 0;
var fileChangeService = new Mock <IVsFileChangeEx>();
fileChangeService
.Setup(f => f.AdviseFileChange(It.IsAny <string>(), It.IsAny <uint>(), It.IsAny <IVsFileChangeEvents>(), out cookie))
.Returns(VSConstants.S_OK)
.Callback(() => callCount++);
var tracker = new VisualStudioFileChangeTracker(TestProjectData.SomeProjectImportFile.FilePath, Dispatcher, ErrorReporter, fileChangeService.Object);
tracker.StartListening();
// Act
tracker.StartListening();
// Assert
Assert.Equal(1, callCount);
}
public async Task FilesChanged_WithSpecificFlags_InvokesChangedHandler_WithExpectedArguments(uint fileChangeFlag, int expectedKind)
{
// Arrange
var filePath = TestProjectData.SomeProjectImportFile.FilePath;
var fileChangeService = Mock.Of <IVsAsyncFileChangeEx>(MockBehavior.Strict);
var tracker = new VisualStudioFileChangeTracker(filePath, ErrorReporter, fileChangeService, Dispatcher, JoinableTaskFactory.Context);
var called = false;
tracker.Changed += (sender, args) =>
{
called = true;
Assert.Same(sender, tracker);
Assert.Equal(filePath, args.FilePath);
Assert.Equal((FileChangeKind)expectedKind, args.Kind);
};
// Act
tracker.FilesChanged(fileCount: 1, filePaths: new[] { filePath }, fileChangeFlags: new[] { fileChangeFlag });
await tracker._fileChangedTask;
// Assert
Assert.True(called);
}
public void StopListening_UnadvisesForFileChange()
{
// Arrange
uint cookie = 100;
var fileChangeService = new Mock <IVsFileChangeEx>(MockBehavior.Strict);
fileChangeService
.Setup(f => f.AdviseFileChange(It.IsAny <string>(), It.IsAny <uint>(), It.IsAny <IVsFileChangeEvents>(), out cookie))
.Returns(VSConstants.S_OK)
.Verifiable();
fileChangeService
.Setup(f => f.UnadviseFileChange(cookie))
.Returns(VSConstants.S_OK)
.Verifiable();
var tracker = new VisualStudioFileChangeTracker("C:/_ViewImports.cshtml", Dispatcher, ErrorReporter, fileChangeService.Object);
tracker.StartListening(); // Start listening for changes.
// Act
tracker.StopListening();
// Assert
fileChangeService.Verify();
}
