Editing JUnit (section)

{{Short description|Java testing framework}}
{{Redirect|Junit|the Egyptian goddess|Iunit}}
{{Infobox software
| name = JUnit
| logo = 
| screenshot = 
| caption = 
| developer = [[Kent Beck]], [[Erich Gamma]], David Saff
| latest release version = 5.10.0
| latest release date = {{release date and age|2023|07|23}}<ref name="github">{{cite web|url=https://github.com/junit-team/junit5/releases|website=github.com|title=JUnit Releases |access-date=2023-07-23}}</ref>
| operating system = [[Cross-platform]]
| programming language = [[Java programming language|Java]]
| genre = [[Unit testing]] tool
| license = [[Eclipse Public License 2.0]]<ref>{{cite web | url=https://github.com/junit-team/junit5/issues/1045 | title=Change license to EPL v2.0 | website=github.com | date=7 September 2017 | access-date=2021-02-04}}</ref> ([[Software relicensing|relicensed]] previously)
| website = {{URL|https://junit.org}}
}}

'''JUnit''' is a [[test automation]] [[Software framework|framework]] for the [[Java (programming language)|Java programming language]]. JUnit is often used for [[unit testing]], and is one of the [[xUnit]] frameworks.

JUnit is linked as a [[JAR (file format)|JAR]] at compile-time. The latest version of the framework, JUnit 5, resides under package {{code|org.junit.jupiter}}.{{sfn|Gulati|Sharma|2017|loc=§Chapter 8 Dynamic Tests and Migration from Junit 4|p=144}} Previous versions JUnit 4{{sfn|Gulati|Sharma|2017|loc=§Chapter 8 Dynamic Tests and Migration from Junit 4|p=144}} and JUnit 3 were under packages {{code|org.junit}} and {{code|junit.framework}}, respectively.

A research survey performed in 2013 across 10,000 Java projects hosted on GitHub found that JUnit (in a tie with [[SLF4J|slf4j-api]]) was the most commonly included external library. Each library was used by 30.7% of projects.<ref>{{cite web |url=http://www.takipiblog.com/2013/11/20/we-analyzed-30000-github-projects-here-are-the-top-100-libraries-in-java-js-and-ruby/ |title=We Analyzed 30,000 GitHub Projects – Here Are The Top 100 Libraries in Java, JS and Ruby |access-date=2014-02-09 |archive-date=2014-07-09 |archive-url=https://web.archive.org/web/20140709221250/http://www.takipiblog.com/2013/11/20/we-analyzed-30000-github-projects-here-are-the-top-100-libraries-in-java-js-and-ruby/ |url-status=dead }}</ref>