hongbeomi

ConcatAdapterController(
    ConcatAdapter concatAdapter,
    ConcatAdapter.Config config
) {
    ...
    if (config.isolateViewTypes) {
        mViewTypeStorage = new ViewTypeStorage.IsolatedViewTypeStorage();
    } else {
        mViewTypeStorage = new ViewTypeStorage.SharedIdRangeViewTypeStorage();
    }

hongbeomi

class ConcatAdapterController implements NestedAdapterWrapper.Callback {

    ...
    private final ViewTypeStorage mViewTypeStorage;
    ...

}

hongbeomi

class NestedAdapterWrapper {
    @NonNull
    private final ViewTypeStorage.ViewTypeLookup mViewTypeLookup;
    @NonNull
    private final StableIdStorage.StableIdLookup mStableIdLookup;
    public final Adapter<ViewHolder> adapter;

    final Callback mCallback;

    int mCachedItemCount;

hongbeomi

class ConcatAdapterController implements NestedAdapterWrapper.Callback

hongbeomi

public static final class Config {

    public final boolean isolateViewTypes;
    @NonNull
    public final StableIdMode stableIdMode;

    @NonNull
    public static final Config DEFAULT = new Config(true, NO_STABLE_IDS);

}

hongbeomi

@Test
fun fetchData_loading() {
  // 메인 디스패처를 게으르게 시작하는 디스패처로 교체
  Dispatchers.setMain(StandardTestDispatcher())
  // 데이터 가져오기
  viewModel.fetch()
  // 로딩 상태 체크
  assertEquals(true, viewModel.loading.getOrAwaitValue())
  // 예약되어 있던 작업 실행
  advanceUntilIdle()

hongbeomi

@Test
fun fetchData_loading() {
  // 메인 디스패처 정지를 위해 pause
  mainCoroutineRule.pauseDispatcher()
  // 데이터 가져오기
  viewModel.fetch()
  // 로딩 상태 체크
  assertEquals(true, viewModel.loading.getOrAwaitValue())
  // 메인 디스패처 다시 시작을 위해 resume
  mainCoroutineRule.resumeDispatcher()

hongbeomi

class MainDispatcherRule(
  val testDispatcher: TestDispatcher = UnconfinedTestDispatcher()
): TestWatcher() {
	
  override fun starting(description: Description) {
    super.starting(description)
    Dispatchers.setMain(testDispatcher)
  }
	
  override fun finished(description: Description) {

hongbeomi

class MainDispatcherRule(
  val dispatcher = TestCoroutineDispatcher()
) : TestWatcher() {

  override fun starting(description: Description?) {
    super.starting(description)
    Dispatchers.setMain(dispatcher)
  }

  override fun finished(description: Description?) {

hongbeomi

@Test
// fun test() = coroutineRule.runBlockingTest {
//  // Test
// }
fun test() = runTest {
  // Test
}