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();
        }