@Test
public void loadRepoWithNEvent() {
when(repo.getModificationId()).thenReturn("modif id");
IEvent first = mock(IEvent.class);
IEvent second = mock(IEvent.class);
IEvent third = mock(IEvent.class);
// stub sorting order
when(first.compareTo(second)).thenReturn(-1);
when(first.compareTo(third)).thenReturn(-1);
when(second.compareTo(first)).thenReturn(1);
when(second.compareTo(third)).thenReturn(-1);
when(third.compareTo(first)).thenReturn(1);
when(third.compareTo(second)).thenReturn(1);
// pass the events not sorted:
List<IEvent> events = Arrays.asList(second, first, third);
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.from(events));
sut.loadEvents(false, callback);
// verify we received them in order
List<IEvent> sortedEvents = Arrays.asList(first, second, third);
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingFinished(sortedEvents, "modif id");
}
@Test
public void loadRepoEventsObservableThrowsError() {
when(repo.getModificationId()).thenReturn("modif id");
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.error(new Throwable()));
sut.loadEvents(false, callback);
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingCancelled("modif id");
}
@Test
public void loadEmptyRepo() {
when(repo.getModificationId()).thenReturn("modif id");
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.empty());
sut.loadEvents(false, callback);
List<IEvent> emptyList = new ArrayList<>();
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingFinished(emptyList, "modif id");
}
@Test
public void secondLoadRepoIsNotCachedForceUpdateIsTrue() {
when(repo.getModificationId()).thenReturn("modif id");
List<IEvent> events = Arrays.asList(mock(IEvent.class));
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.from(events));
sut.loadEvents(false, callback);
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingFinished(events, "modif id");
reset(callback, repo);
when(repo.getModificationId()).thenReturn("modif id");
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.from(events));
sut.loadEvents(true, callback);
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingFinished(events, "modif id");
verify(repo).getEventsSubscribedOnProperScheduler();
}
@Test
public void loadRepoWithOneEvent() {
when(repo.getModificationId()).thenReturn("modif id");
List<IEvent> events = Arrays.asList(mock(IEvent.class));
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.from(events));
sut.loadEvents(false, callback);
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingFinished(events, "modif id");
}
@Test
public void secondLoadRepoIsCachedIfNotModified() {
when(repo.getModificationId()).thenReturn("modif id");
List<IEvent> events = Arrays.asList(mock(IEvent.class));
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.from(events));
sut.loadEvents(false, callback);
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingFinished(events, "modif id");
reset(callback, repo);
when(repo.getModificationId()).thenReturn("modif id");
// second loadEvents should not touch the repo to retrieve events
sut.loadEvents(false, callback);
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingFinished(events, "modif id");
verify(repo, never()).getEventsSubscribedOnProperScheduler();
verify(repo, never()).getEvents();
}
@Test
public void cancelLoadingEvents() {
when(repo.getModificationId()).thenReturn("modif id");
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.never());
sut.loadEvents(false, callback);
sut.cancelLoadingEvents();
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingCancelled("modif id");
}
@Test
public void ongoingLoadEventsShouldBeCancelledOnNextLoadEvents() {
when(repo.getModificationId()).thenReturn("first modif id");
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.never());
sut.loadEvents(false, callback);
verify(callback).onEventsLoadingStarted("first modif id");
verify(callback, never()).onEventsLoadingFinished(anyList(), eq("first modif id"));
reset(callback, repo);
// now we do a second loadEvents (the first one should now be cancelled)
List<IEvent> events = Arrays.asList(mock(IEvent.class));
when(repo.getModificationId()).thenReturn("second modif id");
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.from(events));
sut.loadEvents(true, callback);
verify(callback).onEventsLoadingCancelled("first modif id");
verify(callback).onEventsLoadingStarted("second modif id");
verify(callback).onEventsLoadingFinished(events, "second modif id");
verify(repo).getEventsSubscribedOnProperScheduler();
}