https://github.com/bonigarcia/mastering-junit5

Examples of the Packt book " Mastering Software Testing with JUnit 5: Comprehensive guide to develop high quality Java applications"
https://github.com/bonigarcia/mastering-junit5

android appium docker java junit junit5 mockito rest selenium spring spring-boot

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Examples of the Packt book " Mastering Software Testing with JUnit 5: Comprehensive guide to develop high quality Java applications"

• Host: GitHub
• URL: https://github.com/bonigarcia/mastering-junit5
• Owner: bonigarcia
• License: apache-2.0
• Created: 2017-02-23T08:30:46.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2025-04-14T06:52:00.000Z (about 1 month ago)
• Last Synced: 2025-04-15T02:12:45.215Z (about 1 month ago)
• Topics: android, appium, docker, java, junit, junit5, mockito, rest, selenium, spring, spring-boot
• Language: Java
• Homepage:
• Size: 3.74 MB
• Stars: 414
• Watchers: 17
• Forks: 236
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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This repository contains the code examples of [JUnit 5] for the book [Mastering Software Testing with JUnit 5: Comprehensive guide to develop high quality Java applications], authored by [Boni García] and published by [Packt].

[![][Cover]][Packt]

These examples cover the main features of JUnit 5, such as:

* JUnit 5 tests lifecycle.

* Assertions.

* Tagging and filtering tests.

* Conditional test execution.

* Nested and repeated tests.

* Migration from JUnit 4.

* Dependency injection.

* Dynamic tests.

* Test interfaces.

* Test templates.

* Parameterized tests.

* Parallel execution.

* Ordered tests.

Moreover, the integration with third-party technologies is also illustrated with examples, concretely:

* Mockito (popular mock framework).

* Spring (Java framework aimed to created enterprise applications based on dependency injection).

* Docker (container platform technology).

* Selenium WebDriver (test automation library for web applications).

* Appium (test automation library for mobile devices).

* Android (open source mobile operating system based on Linux).

* REST services (using REST Assured, Retrofit2, or WireMock).

# JUnit 5 versions

This repository has different tags, one per minor version of JUnit 5. Currently, the available tags are the following:

* `5.0`: Examples using JUnit 5.0.3. The examples of the book [Mastering Software Testing with JUnit 5] are based on this version.

* `5.1`: Examples using JUnit 5.1.1.

* `5.2`: Examples using JUnit 5.2.0.

* `5.3`: Examples using JUnit 5.3.2.

* `5.4`: Examples using JUnit 5.4.2.

* `5.5`: Examples using JUnit 5.5.2.

* `5.6`: Examples using JUnit 5.6.3.

* `5.7`: Examples using JUnit 5.7.2.

* `5.8`: Examples using JUnit 5.8.2.

* `5.9`: Examples using JUnit 5.9.3.

* `5.10`: Examples using JUnit 5.10.0.

* `5.11`: Examples using JUnit 5.11.0.

* `5.12`: Examples using JUnit 5.12.0.

# Complete example

The project [Rate my cat!] contains a sample web application based on Spring Boot (Spring MVC, Thymeleaf, and Spring Data JPA)

with a complete set of JUnit 5 tests (unit with Mockito, integration with Spring, and end-to-end tests with Selenium).  

# About

Mastering JUnit 5 (Copyright © 2017-2025) is a project created and maintained by [Boni García] and licensed under the terms of the [Apache 2.0 License].

[JUnit 5]: https://junit.org/junit5/

[Boni García]: https://bonigarcia.dev/

[Logo]: https://bonigarcia.github.io/img/mastering_junit5_logo.png

[GitHub Repository]: https://github.com/bonigarcia/mastering-junit5

[Mastering Software Testing with JUnit 5: Comprehensive guide to develop high quality Java applications]: https://www.amazon.com/Mastering-Software-Testing-JUnit-Comprehensive-ebook/dp/B076ZQCK5Q

[Packt]: https://www.packtpub.com/product/mastering-software-testing-with-junit-5/9781787285736

[Rate my cat!]: https://github.com/bonigarcia/rate-my-cat

[Cover]: https://bonigarcia.dev/img/mastering-software-testing-with-junit-5.png

[Apache 2.0 License]: https://www.apache.org/licenses/LICENSE-2.0