@Test
public void exampleEquivalence() {
TestScheduler scheduler = Schedulers.test();
TestSubscriber<Object> testerJoin = new TestSubscriber<>();
TestSubscriber<Object> testerGroupJoin = new TestSubscriber<>();
Observable<Long> left = Observable.interval(100, TimeUnit.MILLISECONDS, scheduler);
Observable<Long> right = Observable.interval(100, TimeUnit.MILLISECONDS, scheduler);
left.join(
right,
i -> Observable.timer(150, TimeUnit.MILLISECONDS, scheduler),
i -> Observable.timer(0, TimeUnit.MILLISECONDS, scheduler),
(l, r) -> Tuple.create(l, r))
.take(10)
.subscribe(testerJoin);
left.groupJoin(
right,
i -> Observable.timer(150, TimeUnit.MILLISECONDS, scheduler),
i -> Observable.timer(0, TimeUnit.MILLISECONDS, scheduler),
(l, rs) -> rs.map(r -> Tuple.create(l, r)))
.flatMap(i -> i)
.take(10)
.subscribe(testerGroupJoin);
scheduler.advanceTimeTo(600, TimeUnit.MILLISECONDS);
testerJoin.assertReceivedOnNext(testerGroupJoin.getOnNextEvents());
}
@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 testReplayWithBufferSize() {
TestScheduler scheduler = Schedulers.test();
TestSubscriber<Long> tester = new TestSubscriber<>();
ConnectableObservable<Long> source =
Observable.interval(1000, TimeUnit.MILLISECONDS, scheduler).take(5).replay(2, scheduler);
source.connect();
scheduler.advanceTimeBy(4500, TimeUnit.MILLISECONDS);
source.subscribe(tester);
scheduler.triggerActions();
tester.assertReceivedOnNext(Arrays.asList(2L, 3L));
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
tester.assertReceivedOnNext(Arrays.asList(2L, 3L, 4L));
}
@Test
public void testCallRequest() throws Exception {
RestfitClient client =
new RestfitClient.Builder()
.userAgent("RestfitTest/1.0")
.httpStack(
new RestfitHttpStack() {
@NonNull
@Override
public Single<RestfitResponse> perform(@NonNull RestfitRequest request) {
return Single.just(response);
}
})
.build();
final RestfitRequest.Builder requestBuilder =
client.requestBuilder().method("GET").url("http://example.com/");
response = new RestfitResponse.Builder().request(requestBuilder.build()).build();
TestSubscriber<RestfitResponse> testSubscriber = TestSubscriber.create();
client.call(requestBuilder).subscribe(testSubscriber);
testSubscriber.awaitTerminalEvent(10, TimeUnit.MILLISECONDS);
testSubscriber.assertCompleted();
testSubscriber.assertReceivedOnNext(Collections.singletonList(response));
}
@Test
public void testBackpressureWithTakeBefore() {
final AtomicInteger generated = new AtomicInteger();
Observable<Integer> observable =
Observable.from(
new Iterable<Integer>() {
@Override
public Iterator<Integer> iterator() {
return new Iterator<Integer>() {
@Override
public void remove() {}
@Override
public Integer next() {
return generated.getAndIncrement();
}
@Override
public boolean hasNext() {
return true;
}
};
}
});
TestSubscriber<Integer> testSubscriber = new TestSubscriber<Integer>();
observable.take(7).observeOn(Schedulers.newThread()).subscribe(testSubscriber);
testSubscriber.awaitTerminalEvent();
testSubscriber.assertReceivedOnNext(Arrays.asList(0, 1, 2, 3, 4, 5, 6));
assertEquals(7, generated.get());
}
/** https://github.com/ReactiveX/RxJava/issues/1147 */
@Test
public void testRaceForTerminalState() {
final List<Integer> expected = Arrays.asList(1);
for (int i = 0; i < 100000; i++) {
TestSubscriber<Integer> ts = new TestSubscriber<Integer>();
Observable.just(1).subscribeOn(Schedulers.computation()).cache().subscribe(ts);
ts.awaitTerminalEvent();
ts.assertReceivedOnNext(expected);
ts.assertTerminalEvent();
}
}
@Test
public void testReplayWithTime() throws InterruptedException {
TestScheduler scheduler = Schedulers.test();
TestSubscriber<Long> tester = new TestSubscriber<>();
ConnectableObservable<Long> source =
Observable.interval(1000, TimeUnit.MILLISECONDS, scheduler)
.take(5)
.replay(2000, TimeUnit.MILLISECONDS, scheduler);
source.connect();
scheduler.advanceTimeBy(4500, TimeUnit.MILLISECONDS);
source.subscribe(tester);
tester.assertReceivedOnNext(Arrays.asList(2L, 3L));
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
tester.assertReceivedOnNext(Arrays.asList(2L, 3L, 4L));
// 2
// 3
// 4
}
@Test
public void test() {
TestSubscriber<Long> tester = new TestSubscriber<>();
TestScheduler scheduler = Schedulers.test();
Observable.switchOnNext(
Observable.interval(100, TimeUnit.MILLISECONDS, scheduler)
.map(i -> Observable.interval(30, TimeUnit.MILLISECONDS, scheduler).map(i2 -> i)))
.distinctUntilChanged()
.subscribe(tester);
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
tester.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L, 3L));
tester.assertNoErrors();
assertEquals(tester.getOnCompletedEvents().size(), 0);
}
@Test
public void testBackpressureWithTakeAfter() {
final AtomicInteger generated = new AtomicInteger();
Observable<Integer> observable =
Observable.from(
new Iterable<Integer>() {
@Override
public Iterator<Integer> iterator() {
return new Iterator<Integer>() {
@Override
public void remove() {}
@Override
public Integer next() {
return generated.getAndIncrement();
}
@Override
public boolean hasNext() {
return true;
}
};
}
});
TestSubscriber<Integer> testSubscriber =
new TestSubscriber<Integer>() {
@Override
public void onNext(Integer t) {
System.err.println("c t = " + t + " thread " + Thread.currentThread());
super.onNext(t);
try {
Thread.sleep(10);
} catch (InterruptedException e) {
}
}
};
observable.observeOn(Schedulers.newThread()).take(3).subscribe(testSubscriber);
testSubscriber.awaitTerminalEvent();
System.err.println(testSubscriber.getOnNextEvents());
testSubscriber.assertReceivedOnNext(Arrays.asList(0, 1, 2));
// it should be between the take num and requested batch size across the async boundary
System.out.println("Generated: " + generated.get());
assertTrue(generated.get() >= 3 && generated.get() <= RxRingBuffer.SIZE);
}
@Test
public void testReplay() throws InterruptedException {
TestScheduler scheduler = Schedulers.test();
TestSubscriber<Long> tester1 = new TestSubscriber<>();
TestSubscriber<Long> tester2 = new TestSubscriber<>();
ConnectableObservable<Long> cold =
Observable.interval(200, TimeUnit.MILLISECONDS, scheduler).replay();
Subscription connection = cold.connect();
cold.subscribe(tester1);
scheduler.advanceTimeBy(700, TimeUnit.MILLISECONDS);
tester1.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L));
tester2.assertReceivedOnNext(Arrays.asList());
cold.subscribe(tester2);
tester1.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L));
tester2.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L));
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
tester1.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L, 3L, 4L, 5L));
tester2.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L, 3L, 4L, 5L));
connection.unsubscribe();
}