@Test
public void testPublishAndSubscribe() throws Exception {
// add a null subscriber
mToken.subscribe(null);
// publish null
mToken.publishAndWait(null);
// publish no subscribers
mToken.publishAndWait(this);
// create a subscriber
MockSubscriber s1 = new MockSubscriber();
// subscribe
mToken.subscribe(s1);
// publish to subscriber
mToken.publishAndWait(this);
// subscriber got publication
verifySubscribers(new MockSubscriber[] {s1}, new MockSubscriber[] {}, this);
// add second subscriber
MockSubscriber s2 = new MockSubscriber();
mToken.subscribe(s2);
// publish a different object this time
mToken.publishAndWait(this.getClass());
// make sure both subscribers got it
verifySubscribers(new MockSubscriber[] {s1, s2}, new MockSubscriber[] {}, this.getClass());
// add second subscriber again
mToken.subscribe(s2);
// notify with a different type of object
mToken.publishAndWait(mTokenSpec);
// make sure subscribers were notified (make sure s2 was notified only once)
verifySubscribers(new MockSubscriber[] {s1, s2}, new MockSubscriber[] {}, mTokenSpec);
// throw in some unsubscribes
mToken.unsubscribe(null);
MockSubscriber s3 = new MockSubscriber();
mToken.unsubscribe(s3);
// publish again
mToken.publishAndWait(dataRequest);
verifySubscribers(new MockSubscriber[] {s1, s2}, new MockSubscriber[] {s3}, dataRequest);
// remove existing subscribers
mToken.unsubscribe(s1);
mToken.unsubscribe(s2);
// publish again
mToken.publishAndWait(mCredentials);
// nobody should get anything
verifySubscribers(new MockSubscriber[] {}, new MockSubscriber[] {s1, s2, s3}, mCredentials);
// repeat a few tests with the list subscribe
mToken.subscribeAll((ISubscriber[]) null);
// nobody is subscribed
mToken.publishAndWait(s1);
verifySubscribers(new MockSubscriber[] {}, new MockSubscriber[] {s1, s2, s3}, s1);
List<ISubscriber> subscribers = new ArrayList<ISubscriber>();
// still, nobody is subscribed
mToken.subscribeAll(subscribers.toArray(new ISubscriber[subscribers.size()]));
mToken.publishAndWait(s2);
verifySubscribers(new MockSubscriber[] {}, new MockSubscriber[] {s1, s2, s3}, s2);
// add a subscriber
subscribers.add(s1);
mToken.subscribeAll(subscribers.toArray(new ISubscriber[subscribers.size()]));
mToken.publishAndWait(s3);
verifySubscribers(new MockSubscriber[] {s1}, new MockSubscriber[] {s2, s3}, s3);
// repeat one subscriber, add one new one
subscribers.add(s2);
assertEquals(2, subscribers.size());
mToken.subscribeAll(subscribers.toArray(new ISubscriber[subscribers.size()]));
// publish again, make sure each subscriber is notified only once
mToken.publishAndWait(mToken);
verifySubscribers(new MockSubscriber[] {s1, s2}, new MockSubscriber[] {s3}, mToken);
// make sure that subscriber list can handle a mix of types
DoNothingSubscriber x1 = new DoNothingSubscriber();
ISubscriber[] mixedSubscribers = new ISubscriber[] {s1, x1};
mToken.subscribeAll(mixedSubscribers);
mToken.publishAndWait(mFeed);
verifySubscribers(new MockSubscriber[] {s1, s2}, new MockSubscriber[] {s3}, mFeed);
assertEquals(mFeed, x1.mData);
}
