ProfileFrameLayoutTest.java

@RunWith(RobolectricGradleTestRunner.class)
@Config(constants = BuildConfig.class)
public class ProfileFrameLayoutTest {
    private ProfileFrameLayout profileView;
    @Mock
    ProfilePresenter presenter;

    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
        profileView = new ProfileFrameLayout(RuntimeEnvironment.application);
        profileView.setPresenter(presenter);
    }
    
    @Test
    public void testEmpty() throws Exception {
        verify(presenter).attachView(profileView);
        asserThat(profileView.textUsername.getText().toString()).isEmpty();
    }
    
    @Test
    public void testLeaveView() throws Exception {
        profileView.onDetachedFromWindow();
        verify(presenter).detachView();
    }
    
    @Test
    public void testReturnToView() throws Exception {
        reset(presenter);
        profileView.onAttachedToWindow();
        verify(presenter).attachView(profileView);
    }
    
    @Test
    public void testDisplay() throws Exception {
        UserProfile user = new UserProfile(USER);
        profileView.display(user);
        asserThat(profileView.textUsername.getText().toString()).isEqualTo(USER);
    }
}