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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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Retrospective On Software Quality And Java Testing

In order to make an apple pie from scratch, you must first invent the universe.
- Carl Sagan

The well-known testing framework JUnit has come a long way since its inception in 1995. On September 10, 2017, an important milestone in the project life cycle took place, i.e. the release of JUnit 5.0.0. Before going deep into the details of JUnit 5, it is worth reviewing the status quo of software testing, in order to understand from where we have come, and where we are going. To that aim, this chapter provides a high-level review of the background of software quality, software testing, and testing for Java. Concretely, the chapter is composed of three sections:

  • Software quality: The first section reviews the status quo in quality engineering: Quality assurance, ISO/IEC-2500, Verification & Validation (V&V), and software defects (bugs).
  • Software testing: This is the most commonly performed activity to guarantee software quality and reduce the number of software defects. This section provides a theoretical background of software testing levels (unit, integration, system, and acceptance), methods (black-box, white-box, and non-functional),  automated and manual software testing.
  • Testing frameworks for the Java Virtual Machine (JVM): This section provides a summary of the main features of the legacy versions of the JUnit framework (that is, versions 3 and 4). Finally, a brief description of alternative testing frameworks and enhancers to JUnit is depicted.
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