TestTapCameraButtonAndCancel.java

@Test
public void testTapCameraButtonAndCancel() {
    // Uri needed to launch the Camera intent.
    Uri uri = Uri.parse("uri_string");
    stub(fileUtilities.getOutputMediaFileUri()).toReturn(uri);
        
    // Build a result to return when the activity is launched.
    Intent resultData = new Intent();
    Instrumentation.ActivityResult result =
            new Instrumentation.ActivityResult(Activity.RESULT_CANCELED, resultData);

    // Stub result for camera intent.
    intending(toPackage("com.android.camera")).respondWith(result);

    onView(withId(R.id.home_camera_button)).check(matches(withText("Camera")));
    onView(withId(R.id.home_camera_button)).perform(click());

    // Check image processor is not reset.
    verify(imageProcessor, never()).resetOriginalImage();
}