public void When_A_Message_Is_Dispatched_It_Should_Reach_A_Handler()
{
_messagePump.Run();
//_should_dispatch_the_message_to_a_handler
Assert.True(MyEventHandler.ShouldReceive(_event));
}
public void When_Publishing_An_Event_To_The_Processor()
{
_commandProcessor.Publish(_myEvent);
//_should_publish_the_command_to_the_event_handlers
Assert.True(MyEventHandler.ShouldReceive(_myEvent));
}
public void When_There_Are_Multiple_Subscribers()
{
_exception = Catch.Exception(() => _commandProcessor.Publish(_myEvent));
//_should_not_throw_an_exception
Assert.Null(_exception);
//_should_publish_the_command_to_the_first_event_handler
Assert.True(MyEventHandler.ShouldReceive(_myEvent));
//_should_publish_the_command_to_the_second_event_handler
Assert.True(MyOtherEventHandler.Shouldreceive(_myEvent));
}
public void When_Publishing_To_Multiple_Subscribers_Should_Aggregate_Exceptions()
{
_exception = Catch.Exception(() => _commandProcessor.Publish(_myEvent));
//_should_throw_an_aggregate_exception
Assert.IsInstanceOf(typeof(AggregateException), _exception);
//_should_have_an_inner_exception_from_the_handler
Assert.IsInstanceOf(typeof(InvalidOperationException), ((AggregateException)_exception).InnerException);
//_should_publish_the_command_to_the_first_event_handler
Assert.True(MyEventHandler.ShouldReceive(_myEvent));
//_should_publish_the_command_to_the_second_event_handler
Assert.True(MyOtherEventHandler.Shouldreceive(_myEvent));
}