Junit 5 Architecture

Modules in JUnit 5 :

•         junit-jupiter-api:

This module defines the API that you need to write your tests.

•         junit-platform-launcher:

This module defines the launcher API that external tool use. Launchers can be used to discover, filter, and execute tests.

•         junit-platform-engine:

This provides the API that you can use to write your own TestEngine. TestEngine is responsible for the discovery and execution of tests.

•         junit-jupiter-engine:

It is the implementation of junit-platform-engine API for JUnit 5.

•         junit-vintage-engine:

It is the implementation of junit-platform-engine API for JUnit 3 and JUnit 4.

•         junit-platform-commons:

It contains all the utilities which are used across different modules.

•         junit-platform-console:

This provides an implementation of a launcher called ConsoleLauncher. ConsoleLauncher is a stand-alone application used to launch JUnit platform from the console.

•         junit-platform-gradle-plugin:

This is a Gradle plug-in that can be used to run JUnit 5 tests.

•         junit-platform-surefire-provider: 

This module provides Maven integration for JUnit 5.