In this chapter, you learned about unit and integration testing RabbitMQ applications, thus increasing your confidence and capacity to refactor and helping you maintain them in the long run. You've also discovered two powerful tracing tools to peek deeper under the hood of the AMQP protocol and the RabbitMQ broker.

Armed with this knowledge and everything else you learned throughout this book, you're now fully equipped to build production-grade distributed RabbitMQ applications that will scale and last.

RabbitMQ is a solid, stable, and dependable messaging broker. Now go and build something great with it.