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public class UseCaseTest {
private UseCaseTestClass useCase;
@Mock private ThreadExecutor mockThreadExecutor;
@Mock private PostExecutionThread mockPostExecutionThread;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
this.useCase = new UseCaseTestClass(mockThreadExecutor, mockPostExecutionThread);
}
@Test
@SuppressWarnings("unchecked")
public void testBuildUseCaseObservableReturnCorrectResult() {
TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
TestScheduler testScheduler = new TestScheduler();
given(mockPostExecutionThread.getScheduler()).willReturn(testScheduler);
useCase.execute(testSubscriber);
assertThat(testSubscriber.getOnNextEvents().size(), is(0));
}
@Test
public void testSubscriptionWhenExecutingUseCase() {
TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
useCase.execute(testSubscriber);
useCase.unsubscribe();
assertThat(testSubscriber.isUnsubscribed(), is(true));
}
private static class UseCaseTestClass extends UseCase {
protected UseCaseTestClass(
ThreadExecutor threadExecutor,
PostExecutionThread postExecutionThread) {
super(threadExecutor, postExecutionThread);
}
@Override protected Observable buildUseCaseObservable() {
return Observable.empty();
}
@Override public void execute(Subscriber UseCaseSubscriber) {
super.execute(UseCaseSubscriber);
}
}
}