public void EventObservableFactoryTest_SingleEvent()
{
String eventMessage = "Hey, do something";
String retrievedMessage = "";
EventMock eventMock = new EventMock();
// TestA is the event name we mocked out in EventMock
IObservable <EventPattern <EventArgs> > evtSource =
EventHandlerFactory.GetEventObservable <EventMock>(eventMock, "TestA");
// Select the Message passed to the event from the event source observable
IObservable <String> source = evtSource.Select(x => ((TestAEventArgs)x.EventArgs).Message);
// Observer to subscribe to the event observable
// and retrieve message
IObserver <String> observer = Observer.Create <String>(x => retrievedMessage = x);
// Wire up the source Event to the observer
source.Subscribe(observer);
// Trigger Event
eventMock.OnTestA(new TestAEventArgs(eventMessage));
Assert.That(eventMessage, Is.EqualTo(retrievedMessage));
}
public void EventObservableFactoryTest_NonExistingEvent()
{
String retrievedMessage = "";
String noEvent = "No Event, So no message";
EventMock eventMock = new EventMock();
// TestNullEvent does not exist
IObservable <EventPattern <EventArgs> > evtSource =
EventHandlerFactory.GetEventObservable <EventMock>(eventMock, "TestNullEvent");
// Select the Message passed to the event from the event source observable
IObservable <String> source = evtSource.Select(x => ((TestAEventArgs)x.EventArgs).Message);
// Wire up the source Event to the observer
source.Subscribe(
x => Assert.Fail("Unexpected subscription event"),
ex => Assert.Fail("Error subscribing to source"),
() => retrievedMessage = noEvent
);
// Trigger Event
eventMock.OnTestA(new TestAEventArgs("We are not listening to this event"));
Assert.That(noEvent, Is.EqualTo(retrievedMessage));
}
public void EventObservableFactoryTest_EventList()
{
List <String> eventNames = new List <String>()
{
"TestA", "TestB"
};
List <String> eventMessages = new List <String>()
{
"Hey, do something", "Now do something else"
};
List <String> retrievedMessages = new List <String>();
EventMock eventMock = new EventMock();
// TestA is the event name we mocked out in EventMock
List <IObservable <EventPattern <EventArgs> > > evtSources =
EventHandlerFactory.GetEventObservable <EventMock>(eventMock, eventNames);
// Select the Message passed to the event from the event source observable
IObservable <String> sourceA = evtSources[0].Select(x => ((TestAEventArgs)x.EventArgs).Message);
IObservable <String> sourceB = evtSources[1].Select(x => ((TestBEventArgs)x.EventArgs).Message);
// Observer to subscribe to the event observable
// and retrieve message
// Note that the order of events determines the order of retrieved messages
IObserver <String> observer = Observer.Create <String>(x => retrievedMessages.Add(x));
// Wire up the source Event to the observer
sourceA.Subscribe(observer);
sourceB.Subscribe(observer);
// Trigger EventA then Event B
eventMock.OnTestA(new TestAEventArgs(eventMessages[0]));
eventMock.OnTestB(new TestBEventArgs(eventMessages[1]));
Assert.That(eventMessages[0], Is.EqualTo(retrievedMessages[0]));
Assert.That(eventMessages[1], Is.EqualTo(retrievedMessages[1]));
}
private IObservable <String> observableFromRenameEvent(String eventName)
{
return(EventHandlerFactory
.GetEventObservable(watcher, eventName)
.Select(o => ((RenamedEventArgs)o.EventArgs).FullPath));
}
