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Two extensions to Gradle Test tasks:

  • Unconditionally run all tests (i.e. also cached tests)
  • Repeated Test executor invocations (does not work with Gradle Enterprise Distributed Testing)

By default, Gradle only runs tests for sources (test-class inputs), that have changed. Sometimes you want to rerun some or all tests, e.g. when investigating/fixing flaky tests. Running Gradle with the project property testRerun (e.g. ./gradlew test -PtestRerun) marks the test as "not up-to-date" and all tests matched tests will be run.

In addition to the above, specifying -PtestRepetitions=N repeats Test tasks N times, which can also be quite handy when investigating/fixing flaky tests. NOTE Repeating tests does not work with Gradle Enterprise Distributed Testing, as both the distributed-testing plugin and this plugin use the same (undocumented) approach to update the testExecutor field by making the package-protected method org.gradle.api.tasks.testing.Test.setTestExecuter accessible. If you're interested in this functionality in GE's dist-testing, please ping Gradle.

Usage:

plugins {
    id("org.caffinitas.gradle.testrerun") version "0.1"
}