@Test
public void testSwitchWhenOuterCompleteBeforeInner() {
Observable<Observable<String>> source =
Observable.create(
new Observable.OnSubscribeFunc<Observable<String>>() {
@Override
public Subscription onSubscribe(Observer<? super Observable<String>> observer) {
publishNext(
observer,
50,
Observable.create(
new Observable.OnSubscribeFunc<String>() {
@Override
public Subscription onSubscribe(Observer<? super String> observer) {
publishNext(observer, 70, "one");
publishNext(observer, 100, "two");
publishCompleted(observer, 200);
return Subscriptions.empty();
}
}));
publishCompleted(observer, 60);
return Subscriptions.empty();
}
});
Observable<String> sampled = Observable.create(OperationSwitch.switchDo(source));
sampled.subscribe(observer);
InOrder inOrder = inOrder(observer);
scheduler.advanceTimeTo(350, TimeUnit.MILLISECONDS);
inOrder.verify(observer, times(2)).onNext(anyString());
inOrder.verify(observer, times(1)).onCompleted();
}
@Test
public void testSwitchIssue737() {
// https://github.com/Netflix/RxJava/issues/737
Observable<Observable<String>> source =
Observable.create(
new Observable.OnSubscribeFunc<Observable<String>>() {
@Override
public Subscription onSubscribe(Observer<? super Observable<String>> observer) {
publishNext(
observer,
0,
Observable.create(
new Observable.OnSubscribeFunc<String>() {
@Override
public Subscription onSubscribe(Observer<? super String> observer) {
publishNext(observer, 10, "1-one");
publishNext(observer, 20, "1-two");
// The following events will be ignored
publishNext(observer, 30, "1-three");
publishCompleted(observer, 40);
return Subscriptions.empty();
}
}));
publishNext(
observer,
25,
Observable.create(
new Observable.OnSubscribeFunc<String>() {
@Override
public Subscription onSubscribe(Observer<? super String> observer) {
publishNext(observer, 10, "2-one");
publishNext(observer, 20, "2-two");
publishNext(observer, 30, "2-three");
publishCompleted(observer, 40);
return Subscriptions.empty();
}
}));
publishCompleted(observer, 30);
return Subscriptions.empty();
}
});
Observable<String> sampled = Observable.create(OperationSwitch.switchDo(source));
sampled.subscribe(observer);
scheduler.advanceTimeTo(1000, TimeUnit.MILLISECONDS);
InOrder inOrder = inOrder(observer);
inOrder.verify(observer, times(1)).onNext("1-one");
inOrder.verify(observer, times(1)).onNext("1-two");
inOrder.verify(observer, times(1)).onNext("2-one");
inOrder.verify(observer, times(1)).onNext("2-two");
inOrder.verify(observer, times(1)).onNext("2-three");
inOrder.verify(observer, times(1)).onCompleted();
inOrder.verifyNoMoreInteractions();
}
@Test
public void testSwitchWithSubsequenceError() {
Observable<Observable<String>> source =
Observable.create(
new Observable.OnSubscribeFunc<Observable<String>>() {
@Override
public Subscription onSubscribe(Observer<? super Observable<String>> observer) {
publishNext(
observer,
50,
Observable.create(
new Observable.OnSubscribeFunc<String>() {
@Override
public Subscription onSubscribe(Observer<? super String> observer) {
publishNext(observer, 50, "one");
publishNext(observer, 100, "two");
return Subscriptions.empty();
}
}));
publishNext(
observer,
130,
Observable.create(
new Observable.OnSubscribeFunc<String>() {
@Override
public Subscription onSubscribe(Observer<? super String> observer) {
publishError(observer, 0, new TestException());
return Subscriptions.empty();
}
}));
publishNext(
observer,
150,
Observable.create(
new Observable.OnSubscribeFunc<String>() {
@Override
public Subscription onSubscribe(Observer<? super String> observer) {
publishNext(observer, 50, "three");
return Subscriptions.empty();
}
}));
return Subscriptions.empty();
}
});
Observable<String> sampled = Observable.create(OperationSwitch.switchDo(source));
sampled.subscribe(observer);
InOrder inOrder = inOrder(observer);
scheduler.advanceTimeTo(90, TimeUnit.MILLISECONDS);
inOrder.verify(observer, never()).onNext(anyString());
verify(observer, never()).onCompleted();
verify(observer, never()).onError(any(Throwable.class));
scheduler.advanceTimeTo(125, TimeUnit.MILLISECONDS);
inOrder.verify(observer, times(1)).onNext("one");
verify(observer, never()).onCompleted();
verify(observer, never()).onError(any(Throwable.class));
scheduler.advanceTimeTo(250, TimeUnit.MILLISECONDS);
inOrder.verify(observer, never()).onNext("three");
verify(observer, never()).onCompleted();
verify(observer, times(1)).onError(any(TestException.class));
}