How to run single test class in Android using Gradle command?

Question

In my Android application I have several test classes. If I run following command ./gradlew connectedAndroidTest it runs all the test cases inside the android test folder and generate test report for all test classes but I need to test a specific test class and generate report for the test class I tried with the following command:

./gradlew test --tests com.login.user.UserLoginTest

The above command throws following exception

FAILURE: Build failed with an exception.

* What went wrong:
Problem configuring task :app:test from command line.
> Unknown command-line option '--tests'.

* Try:
Run gradlew help --task :app:test to get task usage details. Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org


My app gradle version is 3.3

Does this answer your question? Running a specific instrumentation unit test with Gradle — tir38
– tir38, Commented Feb 6, 2020 at 0:09

Juanvi Martinez · Accepted Answer · 2018-09-18 09:29:13Z

26

It's possible that you are getting this error if you have multiple flavours in your project. Instead of using just test, try a specific test task:

./gradlew testDebugUnitTest --tests com.login.user.UserLoginTest

answered Sep 18, 2018 at 9:29

Juanvi Martinez

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4 Comments

Merk Over a year ago

Generally you will also need to specify the module the test is in, e.g., ./gradlew :app:testDebugUnitTest --tests com.login.user.UserLoginTest for the app module.

eastwater Over a year ago

tried version 3.6.0, not working. option --tests is not recognized.

fejd Over a year ago

The command in this answer works for me, using Gradle 6.5 and AGP 4.1.2. Also see developer.android.com/studio/test/command-line#RunTestsGradle. It's possible to omit the package name and just use the class name.

Evan Citulsky Over a year ago

This does not seem to work for instrumented tests.

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