public void when_monitoring_observable_then_gets_last_change()
{
var watcher = new ObservableFileSystem(targetDir);
var file = Guid.NewGuid().ToString() + ".txt";
var changed = "";
var changedCount = 0;
watcher.Changes.Subscribe(s => { changed = s; changedCount++; });
watcher.Start();
new[] { file }
// Generate file name once, repeat for each 65k chars chunk we'll generate.
.SelectMany(x => Enumerable.Range(0, 50).Select(chunk => x))
.ForEach(x => File.AppendAllText(Path.Combine(targetDir, x), new string('a', 65000)));
var maxWait = DateTime.UtcNow.AddSeconds(10);
while (string.IsNullOrEmpty(changed))
{
Thread.Sleep(50);
if (DateTime.UtcNow > maxWait)
break;
}
Assert.Equal(Path.GetFileName(changed), file);
Assert.Equal(1, changedCount);
watcher.Dispose();
}
public SlidingNotification(ObservableFileSystem observable, FileSystemEventArgs change)
{
this.observable = observable;
this.change = change;
}