public async Task DeleteMonitoredDirectory_StreamsError()
{
using (var watcher = new ObservableFileSystemWatcher(c => { c.Path = TempPath; }))
{
var firstError = watcher.Errors.FirstAsync().ToTask();
watcher.Start();
Directory.Delete(TempPath);
var error = await firstError;
Expect(error.GetException().Message, Is.EqualTo("Access is denied"));
}
}
public async Task WriteToFile_StreamsChanged()
{
using (var watcher = new ObservableFileSystemWatcher(c => { c.Path = TempPath; }))
{
var firstChanged = watcher.Changed.FirstAsync().ToTask();
watcher.Start();
File.WriteAllText(Path.Combine(TempPath, "Changed.Txt"), "foo");
var changed = await firstChanged;
Expect(changed.ChangeType, Is.EqualTo(WatcherChangeTypes.Changed));
Expect(changed.Name, Is.EqualTo("Changed.Txt"));
}
}
public async Task DeleteFile_StreamsDeleted()
{
using (var watcher = new ObservableFileSystemWatcher(c => { c.Path = TempPath; }))
{
var firstDeleted = watcher.Deleted.FirstAsync().ToTask();
var filePath = Path.Combine(TempPath, "ToDelete.Txt");
File.WriteAllText(filePath, "foo");
watcher.Start();
File.Delete(filePath);
var deleted = await firstDeleted;
Expect(deleted.ChangeType, Is.EqualTo(WatcherChangeTypes.Deleted));
Expect(deleted.Name, Is.EqualTo("ToDelete.Txt"));
}
}
public FileDropWatcher(string path, string filter)
{
_Path = path;
_Filter = filter;
_Watcher = new ObservableFileSystemWatcher(w =>
{
w.Path = path;
w.Filter = filter;
// note: filtering on changes can help reduce excessive notifications, make sure to verify any changes with integration tests
w.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName;
});
var renames = _Watcher.Renamed.Select(r => new FileDropped(r));
var creates = _Watcher.Created.Select(c => new FileDropped(c));
var changed = _Watcher.Changed.Select(c => new FileDropped(c));
Dropped = creates
.Merge(renames)
.Merge(changed)
.Merge(_PollResults);
}
public FileDropWatcher(string path, string filter)
{
_Path = path;
_Filter = filter;
_Watcher = new ObservableFileSystemWatcher(w =>
{
w.Path = path;
w.Filter = filter;
// note: filtering on changes can help reduce excessive notifications, make sure to verify any changes with integration tests
w.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName;
});
var renames = _Watcher.Renamed.Select(r => new FileDropped(r));
var creates = _Watcher.Created.Select(c => new FileDropped(c));
var changed = _Watcher.Changed.Select(c => new FileDropped(c));
Dropped = creates
.Merge(renames)
.Merge(changed)
.Merge(_PollResults);
}
public async Task RenameFile_StreamsRenamed()
{
using (var watcher = new ObservableFileSystemWatcher(c => { c.Path = TempPath; }))
{
var firstRenamed = watcher.Renamed.FirstAsync().ToTask();
var originalPath = Path.Combine(TempPath, "Changed.Txt");
File.WriteAllText(originalPath, "foo");
watcher.Start();
var renamedPath = Path.Combine(TempPath, "Renamed.Txt");
File.Move(originalPath, renamedPath);
var renamed = await firstRenamed;
Expect(renamed.OldFullPath, Is.EqualTo(originalPath));
Expect(renamed.FullPath, Is.EqualTo(renamedPath));
}
}
