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https://github.com/junit-pioneer/junit-pioneer

JUnit 5 Extension Pack
https://github.com/junit-pioneer/junit-pioneer

java junit5 testing

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JUnit 5 Extension Pack

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= JUnit Pioneer

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A melting pot for all kinds of extensions to

https://github.com/junit-team/junit5[JUnit 5], particular to its Jupiter API.



Check out https://junit-pioneer.org/[junit-pioneer.org], particularly https://junit-pioneer.org/docs/[the documentation section].



== A Pioneer's Mission



JUnit Pioneer provides extensions for https://github.com/junit-team/junit5/[JUnit 5] and its Jupiter API.

It does not limit itself to proven ideas with wide application but is purposely open to experimentation.

It aims to spin off successful and cohesive portions into sibling projects or back into the JUnit 5 code base.



To enable easy exchange of code with JUnit 5, JUnit Pioneer copies most of its infrastructure, from code style to build tool and configuration to continuous integration.



== Getting on Board



JUnit Pioneer is released on https://github.com/junit-pioneer/junit-pioneer/releases[GitHub] and https://search.maven.org/artifact/org.junit-pioneer/junit-pioneer[Maven Central]. Coordinates:



* group ID: `org.junit-pioneer`

* artifact ID: `junit-pioneer`

* version: `...`



For Maven:



[source,xml]

----



	org.junit-pioneer

	junit-pioneer

	

	test



----



For Gradle:



[source,groovy]

----

testCompile group: 'org.junit-pioneer', name: 'junit-pioneer', version: /*...*/

----



[#dependencies]

== Dependencies



Starting with release 2.0, JUnit Pioneer is compiled against **Java 11** and comes as a module (i.e. with a `module-info.class`) named _org.junitpioneer_.

That means it can be used on all Java versions 11 and higher on class path and module path.



Pioneer does not only use JUnit 5's API, but also other artifacts from its ecosystem such as https://mvnrepository.com/artifact/org.junit.platform/junit-platform-commons[`junit-platform-commons`].

To avoid dependency issues (e.g. in https://github.com/junit-pioneer/junit-pioneer/issues/343[junit-pioneer#343]), you should add the JUnit 5 BOM (https://mvnrepository.com/artifact/org.junit/junit-bom[`junit-bom`]) to your project instead of defining all dependency versions manually.



To not add to user's https://nipafx.dev/jar-hell/[JAR hell], JUnit Pioneer is not taking on any runtime dependencies besides JUnit 5.

Pioneer always depends on the lowest JUnit 5 version that supports its feature set, but that should not keep you from using 5's latest and greatest.



Since 1.7.0 we also have an **optional** runtime dependency on https://github.com/FasterXML/jackson[Jackson], for our JSON-based extensions.

You can read a bit more about our approach to dependencies in the link:CONTRIBUTING.adoc#others[contribution guide].



For our own infrastructure, we rely on the following compile and test dependencies:



* AssertJ (assertions for our tests)

* Mockito (mocking for our tests)

* Jimfs (as an in-memory file system for our test)

* Equalsverifier (for easier assertion of simple things)



== Contributing



We welcome contributions of all shapes and forms! ?



* If you have an idea for an extension, https://github.com/junit-pioneer/junit-pioneer/issues/new[open an issue] and let's discuss.

* If you want to help but don't know how, have a look at https://github.com/junit-pioneer/junit-pioneer/issues[the existing issues], particularly those marked https://github.com/junit-pioneer/junit-pioneer/labels/%F0%9F%93%A2%20up%20for%20grabs[_up for grabs_] or https://github.com/junit-pioneer/junit-pioneer/labels/good%20first%20issue[_good first issue_].

* If you want to chat about JUnit Pioneer, https://discord.gg/rHfJeCF[join our discord] - we have a _#junit-pioneer_ channel. ?



Before contributing, please read the link:CONTRIBUTING.adoc[contribution guide] as well as link:CODE_OF_CONDUCT.adoc[the code of conduct].



=== Maintainers



JUnit Pioneer is maintained by a small team of people who work on it in their free time - see link:CONTRIBUTING.adoc[`CONTRIBUTING.adoc`] for details on how they do that.

In lexicographic order, these are:



Daniel Kraus aka https://github.com/beatngu13[beatngu13]::

Banking software by day, OSS by night.

Punk rock enthusiast and passionate hiker.

Into Java, software testing, and web services.

https://twitter.com/beatngu1101[Tweets] occasionally.



Matthias Bünger aka https://github.com/Bukama[Bukama]::

(Always tries to become a better) Java developer, loves testing and reads https://twitter.com/bukamabish[tweets].

Became a maintainer in April 2020 after he "caused" (authored) too many https://github.com/junit-pioneer/junit-pioneer/issues[bishues]



Mihály Verhás aka https://github.com/Michael1993[Michael1993]::

Not so witty, not so pretty, not really mean, not really cool bean.

A Hungarian Java developer who spends more time on Twitch than recommended by his doctors and used creative and diligent contributions to fool everyone into believing he is a decent enough guy to get promoted to maintainer (in November 2020).



Nicolai Parlog aka https://github.com/nipafx[nipafx]::

Java enthusiast with a passion for learning and sharing, best known for his head decor.

He's a Java Developer Advocate at Oracle, organizer of https://accento.dev[Accento], occasional streamer, and more - check https://nipafx.dev[nipafx.dev] for the full list.

He co-founded JUnit Pioneer in November 2016 and has maintained it ever since (although often very negligently).



Simon Schrottner aka https://github.com/aepfli[aepfli]::

Bearded guy in Lederhosen, who loves to code, and loves to explore code quality, testing, and other tools that can improve the life of a software craftsman.

https://www.couchsurfing.com/people/simmens[Passionated couchsurfer] and https://www.facebook.com/togtrama[hobby event planner].

Maintainer since April 2020.



=== Contributors



JUnit Pioneer, as small as it is, would be much smaller without kind souls contributing their time, energy, and skills.

Thank you for your efforts! ?



The least we can do is to thank them and list some of their accomplishments here (in lexicographic order).



==== 2024



* https://github.com/FanJups[Fanon Jupkwo (FanJups)] added a new display name generator extending `org.junit.jupiter.api.DisplayNameGenerator.Standard` to support CamelCase, underscores, and numbers: https://junit-pioneer.org/docs/replace-camelcase-and-underscore-and-number/[ReplaceCamelCaseAndUnderscoreAndNumber] (#793 / #819)

* https://github.com/TWiStErRob[Papp Róbert (TWiStErRob)] updated Gradle and GitHub Actions tooling to latest. (#803 / #804 / #805)

* https://github.com/boris-faniuk-n26[Boris Faniuk] contributed to `@RetryingTest` extension (#821)

* https://github.com/ccudennec-otto[Christopher Cudennec] contributed to `CONTRIBUTING.adoc` and added the pre-commit hook for code formatting (#588)



==== 2023



* https://github.com/eeverman[Eric Everman] added `@RestoreSystemProperties` and `@RestoreEnvironmentVariables` annotations to the https://junit-pioneer.org/docs/system-properties/[System Properties] and https://junit-pioneer.org/docs/environment-variables/[Environment Variables] extensions (#574 / #700)

* https://github.com/meredrica[Florian Westreicher] contributed to the JSON argument source extension (#704 / #724)

* https://github.com/IlyasYOY[Ilya Ilyinykh] found unused demo tests (#791)

* https://github.com/knutwannheden[Knut Wannheden] contributed the `withExceptions` attribute of the https://junit-pioneer.org/docs/expected-to-fail-tests/[`@ExpectedToFail` extension] (#769 / #774)

* https://github.com/petrandreev[Pёtr Andreev] added back support for NULL values to `@CartesianTestExtension` (#764 / #765)



==== 2022



* https://github.com/filiphr[Filip Hrisafov] contributed the https://junit-pioneer.org/docs/json-argument-source/[JSON Argument Source] support (#101 / #492)

* https://github.com/Marcono1234[Marcono1234] contributed the https://junit-pioneer.org/docs/expected-to-fail-tests/[`@ExpectedToFail` extension] (#551 / #676)

* https://github.com/mathieufortin01[Mathieu Fortin] contributed the `suspendForMs` attribute in https://junit-pioneer.org/docs/retrying-test/[retrying tests] (#407 / #604)

* https://github.com/p1729[Pankaj Kumar] contributed towards improving GitHub actions (#587 / #611)

* https://github.com/robtimus[Rob Spoor] enabled non-static factory methods for `@CartesianTest.MethodFactory` (#628)

* https://github.com/marcwrobel[Marc Wrobel] improved the documentation (#692)



==== 2021



* https://github.com/dump247[Cory Thomas] contributed the `minSuccess` attribute in https://junit-pioneer.org/docs/retrying-test/[retrying tests] (#408 / #430)

* https://github.com/beatngu13[Daniel Kraus] fixed bugs in the environment variable and system property extensions (#432 / #433, #448 / #449, and more), revamped their annotation handling (#460 / #485), and improved the build process (#482 / #483) before becoming a maintainer

* https://github.com/gdiegel[Gabriel Diegel] contributed the `@DisabledUntil` extension in https://junit-pioneer.org/docs/disabled-until/[Temporarily disable a test] (#366)

* https://github.com/johnlehne[John Lehne] resolved an issue with the latest build status not showing correctly in README.md (#530)

* https://github.com/jbduncan[Jonathan Bluett-Duncan] contributed a fix to `buildSrc/build.gradle` which was failing when a `.idea` directory did not contain a `vcs.xml` file (#532)

* https://github.com/sleberknight[Scott Leberknight] resolved a javadoc issue (#547 / #548)

* https://github.com/slawekjaranowski[Slawomir Jaranowski] Migrate to new Shipkit plugins (#410 / #419)

* https://github.com/scordio[Stefano Cordio] contributed https://junit-pioneer.org/docs/cartesian-product/#cartesianenumsource[the Cartesian Enum source] (#379 / #409 and #414 / #453)



==== 2020



* https://github.com/mureinik[Allon Murienik] contributed https://junit-pioneer.org/docs/range-sources/[the range sources] (#44 / #123)

* https://github.com/hovinen[Bradford Hovinen] improved the execution of the EnvironmentVariableUtils on different OS (#287 / #288)

* https://github.com/beatngu13[Daniel Kraus] contributed https://junit-pioneer.org/docs/system-properties/[the system property extension] (#129 / #133) and further improved it, also worked on the environment variable extension (#180 / #248), the Cartesian product extension (#358 / #372), and helped with build infrastructure (e.g. #269)

* https://github.com/dwalluck[David Walluck] introduced JUnit 5 BOM (#343 / #346)

* https://github.com/NPException[Dirk Witzel] improved the documentation (#149 / #271)

* https://github.com/simonenkoi[Ignat Simonenko] fixed a noteworthy bug in the default locale extension (#146 / #161)

* https://github.com/Hancho2009[Mark Rösler] contributed the https://junit-pioneer.org/docs/environment-variables/[environment variable extension] (#167 / #174 and #241 / #242)

* https://github.com/Bukama[Matthias Bünger] opened, vetted, and groomed countless issues and PRs and contributed multiple refactorings (e.g. #165 / #168) and fixes (e.g. #190 / #200) before getting promoted to maintainer

* https://github.com/Michael1993[Mihály Verhás] contributed https://junit-pioneer.org/docs/standard-input-output/[the StdIO extension] (#34 / #227), https://junit-pioneer.org/docs/report-entries/[the ReportEntryExtension] (#134, #179 / #183, #216, #294), https://junit-pioneer.org/docs/cartesian-product/[the CartesianProductTestExtension] (#321, #362 / #68, #354), https://junit-pioneer.org/docs/disable-parameterized-tests/[the DisableIfParameterExtension] (#313, #368) added tests to other extensions (#164 / #272), the Pioneer assertions and contributed to multiple issues (e.g. #217 / #298) and PRs (e.g. #253, #307)

* https://github.com/nishantvas[Nishant Vashisth] contributed an https://junit-pioneer.org/docs/disable-if-display-name/[extension to disable parameterized tests] by display name (#163 / #175)

* https://github.com/aepfli[Simon Schrottner] contributed to multiple issues and PRs and almost single-handedly revamped the build and QA process (e.g. #192 / #185) before getting promoted to maintainer

* https://github.com/sullis[Sullis] improved GitHub Actions with Gradle Wrapper Validation check (#302)



==== 2019



* https://github.com/panchenko[Alex Panchenko] fixed a noteworthy bug in the `TempDirectory` extension (#140)

* https://github.com/sormuras[Christian Stein] helped get the project back on track (yes, again, I told you Nicolai was negligent)

* https://github.com/beatngu13[Daniel Kraus] improved Shipkit integration (#148 / #151)

* https://github.com/marcphilipp[Marc Philipp] helped get the project back on track and converted `build.gradle` to Kotlin (#145)



==== 2018



* https://github.com/britter[Benedikt Ritter] contributed https://junit-pioneer.org/docs/default-locale-timezone/[the default locale and time zone extensions] (#103 / #104)

* https://github.com/sormuras[Christian Stein] introduced Shipkit-based continuous delivery (#87) and build scans (#124 / #132)

* https://github.com/marcphilipp[Marc Philipp] helped get the project back on track and contributed https://junit-pioneer.org/docs/temp-directory/[the `TempDirectory` extension] (#39 / #69)