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JUnit

A programmer-oriented testing framework for Java
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What is JUnit?

JUnit is a simple framework to write repeatable tests. It is an instance of the xUnit architecture for unit testing frameworks.
JUnit is a tool in the Testing Frameworks category of a tech stack.
JUnit is an open source tool with 8K GitHub stars and 3K GitHub forks. Here’s a link to JUnit's open source repository on GitHub

Who uses JUnit?

Companies
155 companies reportedly use JUnit in their tech stacks, including ViaVarejo, Craftbase, and HENNGE K.K..

Developers
448 developers on StackShare have stated that they use JUnit.

JUnit Integrations

Java, Karate DSL, Testcontainers, ScalaTest, and Robolectric are some of the popular tools that integrate with JUnit. Here's a list of all 8 tools that integrate with JUnit.
Public Decisions about JUnit

Here are some stack decisions, common use cases and reviews by companies and developers who chose JUnit in their tech stack.

Joshua Dean KĂĽpper
CEO at Scrayos UG (haftungsbeschränkt) · | 1 upvotes · 89.3K views

We use JUnit for our Java Unit and Integration tests in Version 5. Combined with @JMockit2 and @truth (from Google) we perform all kinds of tests on our minecraft, standalone and microservice architecture.

We prefer JUnit over TestNG because of the bigger community, better support and the generally more agile development. JUnit integrates nicely with most software, while TestNG support is a little more limited.

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JUnit Alternatives & Comparisons

What are some alternatives to JUnit?
NUnit
An evolving, open source framework designed for writing and running tests in Microsoft .NET programming languages.It is an aspect of test-driven development , which is part of a larger software design paradigm known as Extreme Programming
TestNG
It is a testing framework designed to simplify a broad range of testing needs, it covers all categories of tests: unit, functional, end-to-end, integration, etc.Run your tests in arbitrarily big thread pools with various policies available (all methods in their own thread, one thread per test class, etc.
Mockito
It is a mocking framework that tastes really good. It lets you write beautiful tests with a clean & simple API. It doesn’t give you hangover because the tests are very readable and they produce clean verification errors.
Arquillian
It is an integration and functional testing platform that can be used for Java middleware testing. With the main goal of making integration (and functional) tests as simple to write as unit tests, it brings the tests to the runtime environment, freeing developers from managing the runtime from within the test.
Selenium
Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that. Boring web-based administration tasks can (and should!) also be automated as well.
See all alternatives

JUnit's Followers
355 developers follow JUnit to keep up with related blogs and decisions.