我正在使用Android Jetpack Navigation组件和fragment-testing库尝试测试片段交互。我的应用程序使用java + Dagger2作为DI。
为了测试导航,我创建了一个JUnit测试:
@Test
public void testNavigationToLoginFragment() {
// Create a mock NavController
NavController mockNavController = mock(NavController.class);
// Create a graphical FragmentScenario for the Intro Fragment
FragmentScenario<IntroFragment> introFragmentScenario = FragmentScenario.launchInContainer(IntroFragment.class);
// Set the NavController property on the fragment
introFragmentScenario.onFragment(fragment ->
Navigation.setViewNavController(fragment.requireView(), mockNavController)
);
// Verify that performing a click prompts the correct Navigation action
onView(withId(R.id.button_login)).perform(click());
verify(mockNavController).navigate(R.id.action_intro_fragment_to_login_fragment);
}
每当我运行测试时,就会收到以下错误:
java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: No injector factory bound for Class<XXX>
我怎样才能将我的片段注入到那里?可以使用DaggerFragments和FragmentScenario
吗?
IntroFragment
public class IntroFragment extends DaggerFragment{
@Inject
CreateQuoteRecyclerViewAdapter createQuoteRecyclerViewAdapter;
@Inject
public ViewModelProvider.Factory factory;
@inject
public MyViewModel viewModel;
.....
}
MyViewModel.java
class CreateOrSignInViewModel extends BaseViewModel() {
@Inject
public CreateOrSignInBindingState state;
......
}