/**
* @inheritDoc
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
return $observable->subscribe(new CallbackObserver([$observer, 'onNext'], [$observer, 'onError'], function () use($observer) {
$o = new AutoDetachObserver($observer);
$o->setDisposable($this->subsequentObservable->subscribe($o));
}));
}
/**
* @override
*/
public function subscribe(ObserverInterface $observer, $scheduler = null)
{
$subscribeAction = $this->subscribeAction;
$autoDetachObserver = new AutoDetachObserver($observer);
$autoDetachObserver->setDisposable($subscribeAction($autoDetachObserver, $scheduler));
return new CallbackDisposable(function () use($autoDetachObserver) {
$autoDetachObserver->dispose();
});
}
/**
* @test
* @expectedException Exception
* @expectedExceptionMessage fail
*/
public function it_disposes_if_observer_on_next_throws()
{
$disposed = false;
$disposable = new CallbackDisposable(function () use(&$disposed) {
$disposed = true;
});
$observer = new AutoDetachObserver(new CallbackObserver(function () {
throw new Exception('fail');
}));
$observer->setDisposable($disposable);
$observer->onNext(42);
$this->assertTrue($disposed);
}