@SuppressWarnings("unchecked")
/* mock calls don't do generics */
@Test
public void testAggregatorError() {
FuncN<String> zipr = getConcatZipr();
/* create the aggregator which will execute the zip function when all Observables provide values */
Aggregator<String> a = new Aggregator<String>(zipr);
/* define a Observer to receive aggregated events */
Observer<String> aObserver = mock(Observer.class);
a.call(aObserver);
/* mock the Observable Observers that are 'pushing' data for us */
ZipObserver<String, String> r1 = mock(ZipObserver.class);
ZipObserver<String, String> r2 = mock(ZipObserver.class);
/* pretend we're starting up */
a.addObserver(r1);
a.addObserver(r2);
/* simulate the Observables pushing data into the aggregator */
a.next(r1, "hello");
a.next(r2, "world");
verify(aObserver, never()).onError(any(Exception.class));
verify(aObserver, never()).onCompleted();
verify(aObserver, times(1)).onNext("helloworld");
a.error(r1, new RuntimeException(""));
a.next(r1, "hello");
a.next(r2, "again");
verify(aObserver, times(1)).onError(any(Exception.class));
verify(aObserver, never()).onCompleted();
// we don't want to be called again after an error
verify(aObserver, times(0)).onNext("helloagain");
}
@Override
public void onError(Exception e) {
a.error(this, e);
}