org.robolectric.shadows.support.v4.SupportFragmentTestUtil Java Examples

private void setupFragment(int environment) {
    List<EnvironmentModel> environments = Lists.newArrayList(
        newEnvironmentModel(123, "A-environment"),
        newEnvironmentModel(environment, "B-environment"),
        newEnvironmentModel(10, "C-environment"),
        newEnvironmentModel(789, "D-environment"));

    when(environmentService.findAll()).thenReturn(Observable.just(environments));

    DeviceListFragment fragment = new DeviceListFragment();
    Bundle args = new Bundle();
    args.putInt(ARG_ENVIRONMENT, environment);
    fragment.setArguments(args);
    SupportFragmentTestUtil.startFragment(fragment);
    assertNotNull("should not be null", fragment);
}
 

@Test
public void testRemoveOnPropertyChangedCallbacksOnActivityDestroy() {
    final Observable.OnPropertyChangedCallback firstCallback = mock(Observable.OnPropertyChangedCallback.class);
    final Observable.OnPropertyChangedCallback secondCallback = mock(Observable.OnPropertyChangedCallback.class);
    fragment.setViewModel(fragment.createViewModel());
    fragment.addOnPropertyChangedCallback(firstCallback);
    fragment.addOnPropertyChangedCallback(secondCallback);

    SupportFragmentTestUtil.startFragment(fragment);
    fragment.onDestroy();
    verify(fragment.getViewModel()).removeOnPropertyChangedCallback(firstCallback);
    verify(fragment.getViewModel()).removeOnPropertyChangedCallback(secondCallback);
}
 

/**
 * Testing initialization
 */
@Test
public void initializeTest() {
    CourseTabsDashboardFragment fragment = CourseTabsDashboardFragment.newInstance(getCourseData(), "testsCourseId", Screen.COURSE_DASHBOARD);
    SupportFragmentTestUtil.startVisibleFragment(fragment, RoboFragmentActivity.class, android.R.id.content);
    View view = fragment.getView();
    assertNotNull(view);

    View viewPager = view.findViewById(R.id.viewPager);
    assertNotNull(viewPager);
    assertThat(viewPager).isInstanceOf(ViewPager.class);
}
 

/**
 * Testing orientation changes
 */
@Test
public void orientationChangeTest() {
    final BaseCourseUnitVideoFragment fragment = getCourseUnitPlayerFragmentInstance();
    SupportFragmentTestUtil.startVisibleFragment(fragment, FragmentUtilActivity.class, 1);
    assertNotEquals(Configuration.ORIENTATION_LANDSCAPE,
            fragment.getResources().getConfiguration().orientation);

    testOrientationChange(fragment, Configuration.ORIENTATION_LANDSCAPE);
    testOrientationChange(fragment, Configuration.ORIENTATION_PORTRAIT);
}
 

/**
 * Testing initialization
 */
@Test
public void initializeTest() {
    final BaseCourseUnitVideoFragment fragment = CourseUnitVideoPlayerFragment.newInstance(getVideoUnit(), false, false);
    SupportFragmentTestUtil.startVisibleFragment(fragment, FragmentUtilActivity.class, 1);
    assertTrue(fragment.getRetainInstance());

    final View view = fragment.getView();
    assertNotNull(view);
    final View messageContainer = view.findViewById(R.id.message_container);
    assertNotNull(messageContainer);
}
 

protected void startFragment(@NonNull final FragmentT fragment) {
    this.presenter = mock(getPresenterType());
    fragment.presenter = presenter;
    SupportFragmentTestUtil.startVisibleFragment(fragment, HostActivity.class, android.R.id.content);
    this.fragment = fragment;
    this.view = fragment.view;
}
 

/**
 * Testing initialization
 */
@Test
public void initializeTest() throws CourseContentNotValidException {
    CourseUnitWebViewFragment fragment = CourseUnitWebViewFragment.newInstance(getHtmlUnit());
    SupportFragmentTestUtil.startVisibleFragment(fragment, PreLoadingListenerActivity.class, android.R.id.content);
    View view = fragment.getView();
    assertNotNull(view);

    View courseUnitWebView = view.findViewById(R.id.webview);
    assertNotNull(courseUnitWebView);
    assertThat(courseUnitWebView).isInstanceOf(WebView.class);
    WebView webView = (WebView) courseUnitWebView;
    assertTrue(webView.getSettings().getJavaScriptEnabled());
}
 

@Test() public void uiLessShouldFail() {
  try {
    SupportFragmentTestUtil.startVisibleFragment(new UiLessFragment());
    Assert.fail("Exception expected");
  } catch (IllegalStateException e) {
    Assert.assertEquals(
        "It seems that you are using "+UiLessFragment.class.getCanonicalName()+" as headless (UI less) fragment (because onViewCreated() has not been called or maybe delegation misses that part). Having a Presenter without a View (UI) doesn't make sense. Simply use an usual fragment instead of an MvpFragment if you want to use a UI less Fragment",
        e.getMessage());
  }
}
 

@Test
public void testOnSaveInstanceStateDelegated() {
    SupportFragmentTestUtil.startFragment(fragment);
    final Bundle testBundle = new Bundle();
    fragment.onSaveInstanceState(testBundle);
    verify(fragment.getMvvmDelegate()).onSaveInstanceState(testBundle);
}
 

@Test
public void testRemoveOnPropertyChangedCallbacksOnActivityDestroy() {
    final Observable.OnPropertyChangedCallback firstCallback = mock(Observable.OnPropertyChangedCallback.class);
    final Observable.OnPropertyChangedCallback secondCallback = mock(Observable.OnPropertyChangedCallback.class);
    fragment.setViewModel(fragment.createViewModel());
    fragment.addOnPropertyChangedCallback(firstCallback);
    fragment.addOnPropertyChangedCallback(secondCallback);

    SupportFragmentTestUtil.startFragment(fragment);
    fragment.onDestroy();
    verify(fragment.getViewModel()).removeOnPropertyChangedCallback(firstCallback);
    verify(fragment.getViewModel()).removeOnPropertyChangedCallback(secondCallback);
}
 

@Test
public void testOnSaveInstanceStateDelegated() {
    SupportFragmentTestUtil.startFragment(fragment);
    final Bundle testBundle = new Bundle();
    fragment.onSaveInstanceState(testBundle);
    verify(fragment.getMvvmDelegate()).onSaveInstanceState(testBundle);
}
 

@Test
public void testOnDestroyDelegated() {
    SupportFragmentTestUtil.startFragment(fragment);
    fragment.onDestroy();
    verify(fragment.getMvvmDelegate()).onDestroy();
}
 

@Test
public void testOnPauseDelegated() {
    SupportFragmentTestUtil.startFragment(fragment);
    fragment.onPause();
    verify(fragment.getMvvmDelegate()).onPause();
}
 

@Test public void correctUi() {
  SupportFragmentTestUtil.startVisibleFragment(new CorrectUiFragment());
}
 

@Test
public void testStartMethodsDelegated() {
    SupportFragmentTestUtil.startFragment(fragment);
    verify(fragment.getMvvmDelegate()).onCreate(null);
    verify(fragment.getMvvmDelegate()).onResume();
}
 

@Test
public void testOnDestroyDelegated() {
    SupportFragmentTestUtil.startFragment(fragment);
    fragment.onDestroy();
    verify(fragment.getMvvmDelegate()).onDestroy();
}
 

@Test
public void testOnPauseDelegated() {
    SupportFragmentTestUtil.startFragment(fragment);
    fragment.onPause();
    verify(fragment.getMvvmDelegate()).onPause();
}
 

@Test
public void testStartMethodsDelegated() {
    SupportFragmentTestUtil.startFragment(fragment);
    verify(fragment.getMvvmDelegate()).onCreate(null);
    verify(fragment.getMvvmDelegate()).onResume();
}