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Welcome to JUnit Examples, a collection of example applications and extensions
using JUnit Jupiter, JUnit Vintage, and the JUnit Platform on various build systems.
CI builds for example projects are performed by GitHub Actions. Using JDK 24+'s
java multi-file source-code launcher feature, you may build all examples by running
java src/Builder.java in the main directory of this project.
Jupiter Starter Examples
Basic setups showing how to get started with JUnit Jupiter.
Jupiter on Ant
The junit-jupiter-starter-ant example demonstrates the bare minimum configuration for
getting started with JUnit Jupiter using the Ant build system.
Jupiter on Gradle
The junit-jupiter-starter-gradle example demonstrates the bare minimum configuration for
getting started with JUnit Jupiter using the Gradle build system.
Jupiter on Gradle using Kotlin
The junit-jupiter-starter-gradle-kotlin example demonstrates the bare minimum
configuration for getting started with JUnit Jupiter using the Gradle build system and the
Kotlin programming language.
Jupiter on Gradle using Groovy
The junit-jupiter-starter-gradle-groovy example demonstrates the bare minimum
configuration for getting started with JUnit Jupiter using the Gradle build system and the
Groovy programming language.
Jupiter on Maven
The junit-jupiter-starter-maven example demonstrates the bare minimum configuration for
getting started with JUnit Jupiter using the Maven build system.
Jupiter on Maven using Kotlin
The junit-jupiter-starter-maven-kotlin example demonstrates the bare minimum configuration for
getting started with JUnit Jupiter project using Maven build system and Kotlin programming language.
Jupiter on Bazel
The junit-jupiter-starter-bazel example demonstrates the bare minimum configuration for
getting started with JUnit Jupiter using the Bazel build system.
Jupiter on sbt
The junit-jupiter-starter-sbt example demonstrates the bare minimum configuration for
getting started with JUnit Jupiter using sbt and the Scala programming language.
Jupiter Feature Examples
Extending JUnit Jupiter using its Extension API.
Sample Extensions
The junit-jupiter-extensions example demonstrates how one can implement custom
JUnit Jupiter extensions and use them in tests.
Migration Examples
More complex setups how to integrate various parts of "JUnit 5" including a
possible migration path for JUnit 3 or 4 based projects.
Gradle Migration
The junit-migration-gradle example demonstrates how to set up a Gradle project
using the JUnit Platform, JUnit Jupiter, and JUnit Vintage.
Maven Migration
The junit-migration-maven example demonstrates how to set up a Maven project
using the JUnit Platform, JUnit Jupiter, and JUnit Vintage.
Platform Samples
Showing basic features of the JUnit Platform.
Multiple Engines ...
The junit-multiple-engines example demonstrates how to set up a Gradle project
using the JUnit Platform with various TestEngine implementations.
Living in the Modular World
The junit-modular-world example demonstrates how to test code organized in modules.
This example also demonstrates how to implement a custom TestEngine
for the JUnit Platform using the Java Platform Module System.