public void A_component_should_be_subscribed_to_the_pipeline()
{
TestMessageConsumer <PingMessage> consumer = MockRepository.GenerateMock <TestMessageConsumer <PingMessage> >();
_builder.Expect(x => x.GetInstance <TestMessageConsumer <PingMessage> >()).Return(consumer).Repeat.Once();
_pipeline.Subscribe <TestMessageConsumer <PingMessage> >();
PipelineViewer.Trace(_pipeline);
PingMessage message = new PingMessage();
consumer.Expect(x => x.Consume(message));
_pipeline.Dispatch(message);
consumer.VerifyAllExpectations();
_builder.VerifyAllExpectations();
}