How to add build.gradle dependency for both local and instrumented tests in a single line?

Question

To add a library as a dependecy for both local and instrumented unit tests I need to add two lines of code to build.gradle :

testCompile "org.mockito:mockito-core:${mockitoVersion}"
androidTestCompile "org.mockito:mockito-core:${mockitoVersion}"

Is it possible to do this in a single line?

I'm looking for something like:

bothTestCompile "org.mockito:mockito-core:${mockitoVersion}"

Answer 1

You can let configurations extend from other configurations. The code below creates a new configuration, that testCompile and androidTestCompile extend from. This way, each dependency of the new configuration will also be a dependency of these configurations.

configurations {
    // Create new configuration
    bothTestCompile
    // Let both configurations extend from 'bothTestCompile'
    testCompile.extendsFrom(bothTestCompile)
    androidTestCompile.extendsFrom(bothTestCompile)
}

Now you can use the new configuration in your dependencies closure just like you did in your example.