public async Task FileSystemWatcher_RazorFileEvent_Background_NotifiesChange()
{
// Arrange
var filePath = "C:/path/to/file.razor";
var changeKind = RazorFileChangeKind.Added;
var listener = new Mock <IRazorFileChangeListener>(MockBehavior.Strict);
listener.Setup(l => l.RazorFileChanged(filePath, changeKind)).Verifiable();
var fileChangeDetector = new RazorFileChangeDetector(Dispatcher, FilePathNormalizer, new[] { listener.Object })
{
EnqueueDelay = 50,
BlockNotificationWorkStart = new ManualResetEventSlim(initialState: false),
};
// Act
fileChangeDetector.FileSystemWatcher_RazorFileEvent_Background(filePath, changeKind);
// Assert
// We acquire the notification prior to unblocking notification work because once we allow that work to proceed the notification will be removed.
var notification = Assert.Single(fileChangeDetector._pendingNotifications);
fileChangeDetector.BlockNotificationWorkStart.Set();
await notification.Value.NotifyTask;
listener.VerifyAll();
}
public void FileSystemWatcher_RazorFileEvent_Background_AddRemoveDoesNotNotify()
{
// Arrange
var filePath = "C:/path/to/file.razor";
var listenerCalled = false;
var listener = new Mock <IRazorFileChangeListener>(MockBehavior.Strict);
listener.Setup(l => l.RazorFileChanged(filePath, It.IsAny <RazorFileChangeKind>())).Callback(() => listenerCalled = true);
var fileChangeDetector = new RazorFileChangeDetector(Dispatcher, FilePathNormalizer, new[] { listener.Object })
{
EnqueueDelay = 50,
NotifyNotificationNoop = new ManualResetEventSlim(initialState: false),
BlockNotificationWorkStart = new ManualResetEventSlim(initialState: false)
};
// Act
fileChangeDetector.FileSystemWatcher_RazorFileEvent_Background(filePath, RazorFileChangeKind.Added);
fileChangeDetector.FileSystemWatcher_RazorFileEvent_Background(filePath, RazorFileChangeKind.Removed);
// Assert
fileChangeDetector.BlockNotificationWorkStart.Set();
Assert.True(fileChangeDetector.NotifyNotificationNoop.Wait(TimeSpan.FromSeconds(10)));
Assert.False(listenerCalled);
}
