How to run only one unit test class using Gradle

Question

I am new to Gradle  I use Gradle 1 10 and Ubuntu 13  I want to know if there s any command to execute only one unit test class  similar to testOnly in SBT

User · Answer

In my case  my eclipse java compiler warnings were set too high  and eclipse was not recognizing my class as valid for execution  Updating my compiler settings fixed the problem  You can read more about it here  annotation-nonnull-cannot-be-resolved

User · Answer

To run a single test class Airborn s answer is good   With using some command line options  which found here  you can simply do something like this   gradle test --tests org gradle SomeTest someSpecificFeature gradle test --tests  SomeTest someSpecificFeature gradle test --tests  SomeSpecificTest gradle test --tests all in specific package  gradle test --tests  IntegTest gradle test --tests  IntegTest ui  gradle test --tests  IntegTest singleMethod gradle someTestTask --tests  UiTest someOtherTestTask --tests  WebTest ui   From version 1 10 of gradle it supports selecting tests  using a test filter  For example   apply plugin   java   test     filter         specific test method       includeTestsMatching  org gradle SomeTest someSpecificFeature          specific test method  use wildcard for packages      includeTestsMatching   SomeTest someSpecificFeature          specific test class      includeTestsMatching  org gradle SomeTest          specific test class  wildcard for packages      includeTestsMatching    SomeTest          all classes in package  recursively      includeTestsMatching  com gradle tooling            all integration tests  by naming convention       includeTestsMatching   IntegTest          only ui tests from integration tests  by some naming convention      includeTestsMatching   IntegTest ui           For multi-flavor environments  a common use-case for Android   check this answer  as the --tests argument will be unsupported and you ll get an error

User · Answer

In case you have a multi-module project    let us say your module structure is  root-module  - gt  a-module  - gt  b-module   and the test testToRun  you are looking to run is in b-module  with full path   com xyz b module TestClass testToRun  As here you are interested to run the test in b-module  so you should see the tasks available for b-module     gradlew  b-module tasks   The above command will list all tasks in b-module with description   And in ideal case  you will have a task named test to run the unit tests in that module     gradlew  b-module test   Now  you have reached the point for running all the tests in b-module  finally you can pass a parameter to the above task to run tests which matches the certain path pattern    gradlew  b-module test --tests  com xyz b module TestClass testToRun    Now  instead of this if you run    gradlew test --tests  com xyz b module TestClass testToRun   It will run the test task for both module a and b  which might result in failure as there is nothing matching the above pattern in a-module

User · Answer

You should try to add asteriks     to the end      gradle test --tests  com a b c

User · Answer

Please note that --tests option may not work if you have different build types flavors  fails with Unknown command-line option  --tests    In this case  it s necessary to specify the particular test task  e g  testProdReleaseUnitTest instead of just test

User · Answer

After much figuring out  the following worked for me   gradle test --tests  a b c MyTestFile mySingleTest

User · Answer

Run a single test called MyTest     gradlew app testDebug --tests com example MyTest

User · Answer

In versions of Gradle prior to 5  the test single system property can be used to specify a single test  You can do gradle -Dtest single ClassUnderTestTest test if you want to test single class or use regexp like gradle -Dtest single ClassName Test test you can find more examples of filtering classes for tests under this link  Gradle 5 removed this option  as it was superseded by test filtering using the --tests command line option

User · Answer

Below is the command to run a single test class using gradlew command line option   gradlew bat Connected  your bundleVariant  AndroidTest -Pandroid testInstrumentationRunnerArguments class com example TestClass   Below example to run class com example TestClass with variant Variant 1   gradlew bat ConnectedVariant 1AndroidTest -Pandroid testInstrumentationRunnerArguments class com example TestClass

[unit-testing] How to run only one unit test class using Gradle

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