android - Running a specific instrumentation unit test with Gradle

Question

Is there a way to run a specific Android instrumentation unit test using Gradle? I've tried

gradle -Dtest.single=UnitTestName connectedInstrumentTest

but it seems to run all the tests in the package.

Answer 1

Using test.single appears to be deprecated. The new correct way to do this is

./gradlew :<module>:test --tests <pattern>

where <pattern> could be something like:

• com.example.MyTest to run all test methods in com.example.MyTest
• *MyTest to match every method in every class whose name ends with MyTest
• *.MyTest.myMethod to run a specific test method in class MyTest in any package

If you have a multi-project build, make sure to give the module path before the test task; otherwise you'll get a misleading error message when it searches for your test pattern in every subproject.

None of this is documented on the Gradle site anywhere I could find it.