Book Image

Mastering Software Testing with JUnit 5

By : Boni Garcia
Book Image

Mastering Software Testing with JUnit 5

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)

Parameterized tests

Parameterized tests are a special kinds of tests in which the data input is injected in the test in order to reuse the same test logic. This concept was already addressed in JUnit 4, as explained in Chapter 1, Retrospective On Software Quality And Java Testing. As we would expect, parameterized tests are also implemented in JUnit 5.

First of all, in order to implement a parameterized test in Jupiter, we need to add the junit-jupiter-params to our project. When using Maven, that means adding the following dependency:

As usual, as a general rule, it is recommended to use the latest version of the artifacts. To find out...