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Mastering Software Testing with JUnit 5

Mastering Software Testing with JUnit 5

By : Boni Garcia
4.3 (8)
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Mastering Software Testing with JUnit 5

Mastering Software Testing with JUnit 5

4.3 (8)
By: Boni Garcia

Overview of this book

When building an application it is of utmost importance to have clean code, a productive environment and efficient systems in place. Having automated unit testing in place helps developers to achieve these goals. The JUnit testing framework is a popular choice among Java developers and has recently released a major version update with JUnit 5. This book shows you how to make use of the power of JUnit 5 to write better software. The book begins with an introduction to software quality and software testing. After that, you will see an in-depth analysis of all the features of Jupiter, the new programming and extension model provided by JUnit 5. You will learn how to integrate JUnit 5 with other frameworks such as Mockito, Spring, Selenium, Cucumber, and Docker. After the technical features of JUnit 5, the final part of this book will train you for the daily work of a software tester. You will learn best practices for writing meaningful tests. Finally, you will learn how software testing fits into the overall software development process, and sits alongside continuous integration, defect tracking, and test reporting.
Table of Contents (8 chapters)
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Simplifying Testing With Advanced JUnit Features

Simplicity is the ultimate sophistication.
- Leonardo da Vinci

So far, we have discovered the basics of Jupiter, the brand-new programming model provided by the JUnit 5 framework. Moreover, Jupiter provides a rich range of possibilities which allows to create different types of test cases. In this chapter, we review these advanced features. To that aim, this chapter is structured as follows:

  • Dependency injection: This section first takes a look at dependency injection for constructors and methods in test classes. Then, it reviews the three parameter resolvers provided out of the box in Jupiter. These resolvers allow to inject objects of TestInfo, RepetitionInfo, and TestReporter inside tests.
  • Dynamic tests: This section discusses how dynamic tests are implemented in JUnit 5, using the methods dynamicTest and stream.
  • Test interfaces...

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