public void HandleBusyMessageShouldNotUpdateMessageIfModeNone()
{
const string busyMessageString = "busy...";
var viewModel = GetViewModelBase();
viewModel.Settings.HandleBusyMessageMode = HandleMode.None;
var busyMessage = new BeginBusyMessage(Guid.NewGuid(), busyMessageString);
IHandler <BeginBusyMessage> beginBusyHandler = viewModel;
beginBusyHandler.Handle(this, busyMessage);
viewModel.IsBusy.ShouldBeFalse();
viewModel.BusyMessage.ShouldBeNull();
}
private void NotifyBeginBusy(IViewModel viewModel)
{
lock (_busyCollection)
{
if (_busyCollection.Count == 0)
{
return;
}
var isVmb = viewModel is ViewModelBase;
foreach (var o in _busyCollection)
{
var message = new BeginBusyMessage(o.Key, o.Value);
if (isVmb)
{
((IHandler <object>)viewModel).Handle(this, message);
}
else
{
EventAggregator.Publish(viewModel, this, message);
}
}
}
}
public void HandleBusyMessageShouldUpdateMessageAndNotifyListinersIfModeHandleAndNotifyListeners()
{
const string busyMessageString = "busy...";
var viewModel = GetViewModelBase();
var childViewModel = viewModel.GetViewModel <TestViewModelBase>(observationMode: ObservationMode.None);
viewModel.Subscribe(childViewModel);
viewModel.Settings.HandleBusyMessageMode = HandleMode.HandleAndNotifyObservers;
var busyMessage = new BeginBusyMessage(Guid.NewGuid(), busyMessageString);
IHandler <BeginBusyMessage> beginBusyHandler = viewModel;
IHandler <EndBusyMessage> endBusyHandler = viewModel;
beginBusyHandler.Handle(this, busyMessage);
viewModel.IsBusy.ShouldBeTrue();
viewModel.BusyMessage.ShouldEqual(busyMessageString);
childViewModel.IsBusy.ShouldBeTrue();
childViewModel.BusyMessage.ShouldEqual(busyMessageString);
endBusyHandler.Handle(this, busyMessage.ToEndBusyMessage());
viewModel.IsBusy.ShouldBeFalse();
viewModel.BusyMessage.ShouldBeNull();
childViewModel.IsBusy.ShouldBeFalse();
childViewModel.BusyMessage.ShouldBeNull();
}
