How to run only specific tests with Gradle and JUnit 5?

Question

Using Gradle and its JUnit 4 support, I can choose a specific test using the --tests option like this:

$ ./gradlew test --tests de.mp.BarMT

This option is ineffective when using the JUnit 5 Gradle task. It is ignored silently when using the test tasks from the command line. The true work is done by junitPlatformTest anyway, and it does not support the option:

$ ./gradlew clean junitPlatformTest --tests de.mp.BarMT … Problem configuring task :junitPlatformTest from command line. > Unknown command-line option '--tests'.

Does the JUnit 5 plugin support choosing specific tests?

That’s true. Almost a duplicate, I would say (only that I have real tests, I promise). Weird it did not show up in the search while creating the question. — Michael Piefel
– Michael Piefel, Commented Feb 9, 2018 at 15:01
Native Gradle support is almost here. The current plan is to include it in Gradle 4.6 (cf. github.com/gradle/gradle/pull/4116) — Marc Philipp
– Marc Philipp, Commented Feb 10, 2018 at 5:36

Michael Piefel · Accepted Answer · 2019-07-17 07:22:03Z

Answering myself… A lot of time has passed, new versions came, and I can confirm that with Gradle 5.4.1 and JUnit Jupiter Platform 1.4.2, the simple configuration:

test { useJUnitPlatform() }

will allow running single tests as seen in https://stackoverflow.com/a/31468902/2621917, even when using weird names (from Kotlin):

gradle test --tests 'HtmlForwardInterceptorTest.should forward requests'

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