In this chapter, we learned how to test asynchronous code written using Reactor 3 or any Reactive Streams-based libraries. In turn, we covered the essential points of testing reactive Spring applications, based on the WebFlux module and the Spring Test module. Then, using WebTestClient, we learned a way to verify a single controller in isolation, or the whole application with mocked external interaction. Furthermore, we learned knowing how to test Reactor 3 helps us in testing the whole system in integration. Along with everyday business logic checking, we learned a few tips for working with mocked security, which is also a crucial part of modern web applications. Finally, this chapter ended with some tips and tricks for WebSocket testing. Here, we saw some of the limitations of the 5.0.x Spring Test module. Nevertheless, by adopting WebSocketClient...
Hands-On Reactive Programming in Spring 5
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Hands-On Reactive Programming in Spring 5
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Overview of this book
These days, businesses need a new type of system that can remain responsive at all times. This is achievable with reactive programming; however, the development of these kinds of systems is a complex task, requiring a deep understanding of the domain. In order to develop highly responsive systems, the developers of the Spring Framework came up with Project Reactor.
Hands-On Reactive Programming in Spring 5 begins with the fundamentals of Spring Reactive programming. You’ll explore the endless possibilities of building efficient reactive systems with the Spring 5 Framework along with other tools such as WebFlux and Spring Boot. Further on, you’ll study reactive programming techniques and apply them to databases and cross-server communication. You will advance your skills in scaling up Spring Cloud Streams and run independent, high-performant reactive microservices.
By the end of the book, you will be able to put your skills to use and get on board with the reactive revolution in Spring 5.1!
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Current Title:
Hands-On Reactive Programming in Spring 5
Table of Contents (12 chapters)
Preface
Free Chapter
Why Reactive Spring?
Reactive Programming in Spring - Basic Concepts
Reactive Streams - the New Streams' Standard
Project Reactor - the Foundation for Reactive Apps
Going Reactive with Spring Boot 2
WebFlux Async Non-Blocking Communication
Reactive Database Access
Scaling Up with Cloud Streams
Testing the Reactive Application
And, Finally, Release It!
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