NullPointerException on reflection during Robolectric startup - any hints?

Question

I am developing an Android project on Eclipse, and I\'m trying to switch from running tests on the emulator/device (which is very slow) to Robolectric.

I re

Answer 1

We have had the same problems in the past. What works for us is extending RoboletricTestRunner and providing it a RoboletricConfig instance that is aware of our Project's location. This way I don't have to tinker with any run configurations with eclipse, it just works.

    package ...;

    import java.io.File;

    import org.junit.runners.model.InitializationError;

    import com.xtremelabs.robolectric.RobolectricConfig;
    import com.xtremelabs.robolectric.RobolectricTestRunner;

    public class TestRunner extends RobolectricTestRunner {

        public static final string MAIN_PROJECT_PATH = "../path_to_android_project";

        public TestRunner(Class testClass) throws InitializationError {
             super(testClass, new RobolectricConfig(new File(MAIN_PROJECT_PATH)));
        }
    }