Microservice applications present special testing challenges. Even simple services need to handle unpredictable loads, and distributed message-based designs pose unique security and performance concerns. These challenges increase when you throw in asynchronous communication and containers.

About the Book

Testing Java Microservices

teaches you to implement unit and integration tests for microservice systems running on the JVM. You'll work with a microservice environment built using Java EE, WildFly Swarm, and Docker. You'll advance from writing simple unit tests for individual services to more-advanced practices like chaos or integration tests. As you move towards a continuous-delivery pipeline, you'll also master live system testing using technologies like the Arquillian, Wiremock, and Mockito frameworks, along with techniques like contract testing and over-the-wire service virtualization. Master these microservice-specific practices and tools and you'll greatly increase your test coverage and productivity, and gain confidence that your system will work as you expect.

What's Inside

Test automation

Integration testing microservice systems

Testing container-centric systems

Service virtualization

About the Reader

Written for Java developers familiar with Java EE, EE4J, Spring, or Spring Boot.

About the Authors

Alex Soto Bueno

and

Jason Porter

are Arquillian team members.

Andy Gumbrecht

is an Apache TomEE developer and PMC. They all have extensive enterprise-testing experience.

Table of Contents

An introduction to microservices

Application under test

Unit-testing microservices

Component-testing microservices

Integration-testing microservices

Contract tests

End-to-end testing

Docker and testing

Service virtualization

Continuous delivery in microservices

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