public async Task TestCanExecute()
{
Assert.IsTrue(_command.CanExecute(null), "CanExecute gibt nicht true zurück!");
// Command ausführen, sollte SLEEPTIME ms laufen, währenddessen muss CanExecute false zurückgeben
_command.Execute(null);
await Task.Run(() => Thread.Sleep(100));
Assert.IsFalse(_command.CanExecute(null), "CanExecute sollte während der Ausführung false sein!");
await Task.Run(() => Thread.Sleep(SLEEPTIME));
// CanExecute sollte wieder true zurückgeben, da sicher fertig
Assert.IsTrue(_command.CanExecute(null), "CanExecute gibt nicht true zurück!");
}
public DirectorySelectionViewModel()
{
_musicConverter = new MusicLibraryConverter();
//TODO: MUST include directory validation in all these "CanExecute" commands.
//For now, we enable/disable buttons based on whether the conversion command is executing or not.
StartConversionCommand = new AwaitableDelegateCommand(StartConversion_Async);
CancelConversionCommand = new DelegateCommand(CancelConversion, () => !StartConversionCommand.CanExecute(null));
ChooseSourceCommand = new DelegateCommand(ChooseSource, () => StartConversionCommand.CanExecute(null));
ChooseTargetCommand = new DelegateCommand(ChooseTarget, () => StartConversionCommand.CanExecute(null));
CloseApplicationCommand = new DelegateCommand(() => Application.Current.MainWindow.Close());
StartOverCommand = new DelegateCommand(StartApplicationOver);
CurrentApplicationState = ApplicationState.Starting;
}
