Java Testing frameworks are platform for Testing software applications.  Testing is necessary because we all make mistakes. Some of those mistakes are unimportant, but some of them are expensive or dangerous. We need to check everything and anything we produce because things can always go wrong.

Java testing frameworks

Here are 5 most useful 5 best Java testing frameworks that will help Programmers to test software more efficiently.


1. Junit4

Unit is a simple framework to write repeatable tests. It is an instance of the xUnit architecture for unit testing framework. junit4 recommends  to use a build tool for building your software and running the tests.

Github stats

A programmer-oriented testing framework for Java.
Forks: 3087
Stars: 8118
Open issues: 127
Latest tag: r4.13.2
git clone

2. Mockito

Mockito is a framework that you specifically use to efficiently write certain kind of tests. The framework allows the creation of test double objects  in automated unit tests for the purpose of test-driven development (TDD) or behavior-driven development (BDD).

Github stats

Most popular Mocking framework for unit tests written in Java
Forks: 2096
Stars: 11798
Open issues: 300
Latest tag: vrbranch
git clone

3. Robolectric

Robolectric is the industry-standard unit testing framework for Android. With Robolectric, your tests run in a simulated Android environment inside a JVM, without the overhead of an emulator.

Github stats

Android Unit Testing Framework
Forks: 1261
Stars: 5241
Open issues: 658
git clone

4. Rest-assured

Testing and validation of REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.

Github stats

Java DSL for easy testing of REST services
Forks: 1500
Stars: 5319
Open issues: 409
Latest tag: rest-assured-4.3.3
git clone


PowerMock is a framework that extends other mock libraries such as EasyMock with more powerful capabilities. PowerMock uses a custom classloader and bytecode manipulation to enable mocking of static methods, constructors, final classes and methods, private methods, removal of static initializers and more.

Github stats

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
Forks: 537
Stars: 3500
Open issues: 410
Latest tag: powermock-2.0.9
git clone



Testing a Java software cannot ensure software is bug-free, but it CAN increase software quality. this article highlights  5 best Java testing frameworks based on the Github popularity. If you Know any other Best java testing Framework? share with us!


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