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.

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Table of Contents (8 chapters)
Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
Retrospective On Software Quality And Java Testing
Retrospective On Software Quality And Java Testing
Software quality
Software testing
Testing frameworks for the JVM
Summary
2
What’s New In JUnit 5
What’s New In JUnit 5
Road to JUnit 5
JUnit 5 architecture
Running tests in JUnit 5
The extension model of JUnit 5
Summary
3
JUnit 5 Standard Tests
JUnit 5 Standard Tests
Test lifecycle
Assertions
Tagging and filtering tests
Conditional test execution
Nested tests
Repeated tests
Migration from JUnit 4 to JUnit 5
Summary
4
Simplifying Testing With Advanced JUnit Features
Simplifying Testing With Advanced JUnit Features
Dependency injection
Dynamic tests
Test interfaces
Test templates
Parameterized tests
Java 9
Beyond JUnit 5.0
Summary
5
Integration Of JUnit 5 With External Frameworks
Integration Of JUnit 5 With External Frameworks
Mockito
Spring
Selenium
Cucumber
Docker
Android
REST
Summary
6
From Requirements To Test Cases
From Requirements To Test Cases
The importance of requirements
Test planning
Test design
Software testing principles
Test anti-patterns
Summary
7
Testing Management
Testing Management
Software development processes
Continuous Integration
Test reporting
Defect-tracking systems
Static analysis
Putting all pieces together
Summary

Beyond JUnit 5.0

JUnit 5.0 GA (General Availability) was released on September 10, 2017. Furthermore, JUnit is a living project, and new features are planned for the next release, that is, 5.1 (with no release agenda scheduled at the time of writing). The backlog for the next release of JUnit 5 can be seen on GitHub: https://github.com/junit-team/junit5/milestone/3. Among other, the following features are planned for JUnit 5.1:

  • Scenario tests: This feature has to do with the capability of ordering different test methods within a class. To do that, the following annotations are planned:
    • @ScenarioTest: A class-level annotation used to denote that a test class contains steps that make up a single scenario test.
    • @Step: A method-level annotation used to denote that a test method is a single step within the scenario test.
    • Support for parallel tests execution: Concurrency is one of...
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