Mockito_problem

build.gradle

  androidTestCompile 'junit:junit:4.12'
  androidTestCompile 'org.mockito:mockito-core:1.10.19'

  androidTestCompile 'com.crittercism.dexmaker:dexmaker:1.4'
  androidTestCompile 'com.crittercism.dexmaker:dexmaker-mockito:1.4'
  androidTestCompile 'com.crittercism.dexmaker:dexmaker-dx:1.4'

ClassWithInnerObject.java

import android.util.Log;

public class ClassWithInnerObject {

  private final InnerObject innerObject;

  public ClassWithInnerObject() {
    innerObject = new InnerObject();
  }

  public void callInnerObjectMethod() {
    innerObject.outerFunc();
  }

  public void outerFunc() {
    innerFunc();
  }

  public void innerFunc() {
    Log.d("XXX", "innerFunc: called");
  }

  public class InnerObject {
    public void outerFunc() {
      innerFunc();
    }
  }
}

SpyVerifyTest.java

import android.support.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

/**
 * Instrumentation test, which will execute on an Android device.
 *
 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
 */
@RunWith(AndroidJUnit4.class) public class SpyVerifyTest {

  @Test public void myInnerTestWorking() {
    ClassWithInnerObject p = new ClassWithInnerObject();
    ClassWithInnerObject spy = Mockito.spy(p);
    spy.outerFunc();
    verify(spy, times(1)).innerFunc();
  }

  @Test public void myInnerTestNotWorking() {
    ClassWithInnerObject p = new ClassWithInnerObject();
    ClassWithInnerObject spy = Mockito.spy(p);
    spy.callInnerObjectMethod();
    verify(spy, times(1)).innerFunc();
  }

}