@Test
public void test() {
TestSubscriber<Object> tester = new TestSubscriber<>();
TestScheduler scheduler = Schedulers.test();
Observable<Long> left = Observable.interval(100, TimeUnit.MILLISECONDS, scheduler).take(6);
Observable<Long> right = Observable.interval(200, TimeUnit.MILLISECONDS, scheduler).take(3);
left.groupJoin(
right,
i -> Observable.never(),
i -> Observable.timer(0, TimeUnit.MILLISECONDS, scheduler),
(l, rs) -> rs.toList().map(rl -> Tuple.create(l, rl)))
.flatMap(i -> i)
.subscribe(tester);
scheduler.advanceTimeTo(600, TimeUnit.MILLISECONDS);
tester.assertReceivedOnNext(
Arrays.asList(
Tuple.create(0L, Arrays.asList(0L, 1L, 2L)),
Tuple.create(1L, Arrays.asList(0L, 1L, 2L)),
Tuple.create(2L, Arrays.asList(1L, 2L)),
Tuple.create(3L, Arrays.asList(1L, 2L)),
Tuple.create(4L, Arrays.asList(2L)),
Tuple.create(5L, Arrays.asList(2L))));
}
@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 testErrorPropagatesWhenNoOutstandingRequests() {
Observable<Long> timer =
Observable.timer(0, 1, TimeUnit.MICROSECONDS)
.doOnEach(
new Action1<Notification<? super Long>>() {
@Override
public void call(Notification<? super Long> n) {
// System.out.println("BEFORE " +
// n);
}
})
.observeOn(Schedulers.newThread())
.doOnEach(
new Action1<Notification<? super Long>>() {
@Override
public void call(Notification<? super Long> n) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
}
// System.out.println("AFTER " +
// n);
}
});
TestSubscriber<Long> ts = new TestSubscriber<Long>();
Observable.combineLatest(
timer,
Observable.<Integer>never(),
new Func2<Long, Integer, Long>() {
@Override
public Long call(Long t1, Integer t2) {
return t1;
}
})
.take(RxRingBuffer.SIZE * 2)
.subscribe(ts);
ts.awaitTerminalEvent();
assertEquals(1, ts.getOnErrorEvents().size());
assertEquals(MissingBackpressureException.class, ts.getOnErrorEvents().get(0).getClass());
}
public void example() {
Observable<String> left =
Observable.interval(100, TimeUnit.MILLISECONDS).map(i -> "L" + i).take(6);
Observable<String> right =
Observable.interval(200, TimeUnit.MILLISECONDS).map(i -> "R" + i).take(3);
left.groupJoin(
right,
i -> Observable.never(),
i -> Observable.timer(0, TimeUnit.MILLISECONDS),
(l, rs) -> rs.toList().subscribe(list -> System.out.println(l + ": " + list)))
.subscribe();
// L0: [R0, R1, R2]
// L1: [R0, R1, R2]
// L2: [R1, R2]
// L3: [R1, R2]
// L4: [R2]
// L5: [R2]
}
@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();
}
@Override
public Observable<Void> getLifecycle() {
return Observable.never();
}