@Test
@SuppressWarnings("unchecked")
public void testSimple() throws InterruptedException {
final ExecutorService exec = Executors.newCachedThreadPool();
try {
final CountDownLatch ready = new CountDownLatch(1);
Func0<Future<Observable<Integer>>> func =
new Func0<Future<Observable<Integer>>>() {
@Override
public Future<Observable<Integer>> call() {
return exec.submit(
new Callable<Observable<Integer>>() {
@Override
public Observable<Integer> call() throws Exception {
if (!ready.await(1000, TimeUnit.MILLISECONDS)) {
throw new IllegalStateException("Not started in time");
}
return Observable.from(1);
}
});
}
};
Observable<Integer> result = Async.deferFuture(func, Schedulers.threadPoolForComputation());
final Observer<Integer> observer = mock(Observer.class);
final CountDownLatch done = new CountDownLatch(1);
result.subscribe(new OperationStartFutureTest.MockHelper<Integer>(observer, done));
ready.countDown();
if (!done.await(1000, TimeUnit.MILLISECONDS)) {
fail("Not completed in time!");
}
InOrder inOrder = inOrder(observer);
inOrder.verify(observer).onNext(1);
inOrder.verify(observer).onCompleted();
verify(observer, never()).onError(any(Throwable.class));
} finally {
exec.shutdown();
}
}
@Test
@SuppressWarnings("unchecked")
public void testSimpleFactoryThrows() {
Func0<Future<Observable<Integer>>> func =
new Func0<Future<Observable<Integer>>>() {
@Override
public Future<Observable<Integer>> call() {
throw new OperationStartFutureTest.CustomException();
}
};
Observable<Integer> result = Async.deferFuture(func);
final Observer<Object> observer = mock(Observer.class);
result.subscribe(observer);
verify(observer, never()).onNext(any());
verify(observer, never()).onCompleted();
verify(observer).onError(any(OperationStartFutureTest.CustomException.class));
}