public void RaiseSafelyDoesntThrowExceptionFromEventHandler()
{
var eventBus = new EventBus();
var handler = new EvilEventHandler();
eventBus.Register <EventB>(handler.HandleEvent);
eventBus.RaiseSafely(new EventB());
}
public void RaiseSafelyProtectsAgainstExceptionsThrownByExceptionHandler()
{
var eventBus = new EventBus();
var handler = new EvilEventHandler();
var exceptionHandler = new EvilExeptionEventHandler();
eventBus.Register <EventB>(handler.HandleEvent);
eventBus.Register <ExceptionEvent>(exceptionHandler.HandleEvent);
eventBus.RaiseSafely(new EventB());
// No exceptions thrown.
}
public void RegisteredExceptionHandlerCatchesExceptionWhenEventRaisedSafely()
{
var eventBus = new EventBus();
var handler = new EvilEventHandler();
var exceptionHandler = new ExceptionHandler();
eventBus.Register <EventB>(handler.HandleEvent);
eventBus.Register <ExceptionEvent>(exceptionHandler.HandleEvent);
eventBus.RaiseSafely(new EventB());
Assert.IsNotNull(exceptionHandler.ExceptionMessages.First(message => message == "Boo!"));
}
