/*
* @see DATAREDIS-415
*/
@Test
public void interruptAtStart() throws Exception {
final Thread main = Thread.currentThread();
// interrupt thread once Executor.execute is called
doAnswer(
new Answer<Object>() {
@Override
public Object answer(final InvocationOnMock invocationOnMock) throws Throwable {
main.interrupt();
return null;
}
})
.when(executorMock)
.execute(any(Runnable.class));
container.addMessageListener(adapter, new ChannelTopic("a"));
container.start();
// reset the interrupted flag to not destroy the teardown
assertThat(Thread.interrupted(), is(true));
assertThat(container.isRunning(), is(false));
}
@Override
public Subscription onSubscribe(final Observer<? super String> observer) {
System.out.println("TestObservable subscribed to ...");
t =
new Thread(
new Runnable() {
@Override
public void run() {
try {
System.out.println("running TestObservable thread");
for (String s : values) {
if ("fail".equals(s)) throw new RuntimeException("Forced Failure");
System.out.println("TestObservable onNext: " + s);
observer.onNext(s);
}
System.out.println("TestObservable onCompleted");
observer.onCompleted();
} catch (Throwable e) {
System.out.println("TestObservable onError: " + e);
observer.onError(e);
}
}
});
System.out.println("starting TestObservable thread");
t.start();
System.out.println("done starting TestObservable thread");
return s;
}
@Override
public Subscription subscribe(final Observer<String> observer) {
System.out.println("TestObservable subscribed to ...");
t =
new Thread(
new Runnable() {
@Override
public void run() {
try {
System.out.println("running TestObservable thread");
for (String s : values) {
System.out.println("TestObservable onNext: " + s);
observer.onNext(s);
}
observer.onCompleted();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
});
System.out.println("starting TestObservable thread");
t.start();
System.out.println("done starting TestObservable thread");
return s;
}
@Override
public void subscribe(final Subscriber<? super String> observer) {
observer.onSubscribe(EmptySubscription.INSTANCE);
t =
new Thread(
new Runnable() {
@Override
public void run() {
for (String s : valuesToReturn) {
if (s == null) {
System.out.println("throwing exception");
try {
Thread.sleep(100);
} catch (Throwable e) {
}
observer.onError(new NullPointerException());
return;
} else {
observer.onNext(s);
}
}
System.out.println("subscription complete");
observer.onComplete();
}
});
t.start();
}
@Test
public void testCreateLDAPConnectionFactoryWithCustomClassLoader() throws Exception {
// test no exception is thrown, which means transport provider is correctly loaded
LDAPOptions options =
new LDAPOptions().setProviderClassLoader(Thread.currentThread().getContextClassLoader());
InetSocketAddress socketAddress = findFreeSocketAddress();
LDAPConnectionFactory factory =
new LDAPConnectionFactory(socketAddress.getHostName(), socketAddress.getPort(), options);
factory.close();
}
@Override
public void subscribe(final Subscriber<? super String> observer) {
observer.onSubscribe(EmptySubscription.INSTANCE);
t =
new Thread(
new Runnable() {
@Override
public void run() {
observer.onNext("hello");
observer.onComplete();
}
});
t.start();
}
@Override
public void subscribe(final Subscriber<? super String> observer) {
observer.onSubscribe(EmptySubscription.INSTANCE);
t =
new Thread(
new Runnable() {
@Override
public void run() {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
observer.onError(e);
}
observer.onNext("hello");
observer.onComplete();
}
});
t.start();
}
@Override
public Subscription subscribe(final Observer<String> observer) {
t =
new Thread(
new Runnable() {
@Override
public void run() {
onNextBeingSent.countDown();
observer.onNext("hello");
// I can't use a countDownLatch to prove we are actually sending 'onNext'
// since it will block if synchronized and I'll deadlock
observer.onCompleted();
}
});
t.start();
return new Subscription() {
@Override
public void unsubscribe() {}
};
}
@Test
public void testSynchronizationOfMultipleSequences() throws Exception {
final TestASynchronousObservable o1 = new TestASynchronousObservable();
final TestASynchronousObservable o2 = new TestASynchronousObservable();
// use this latch to cause onNext to wait until we're ready to let it go
final CountDownLatch endLatch = new CountDownLatch(1);
final AtomicInteger concurrentCounter = new AtomicInteger();
final AtomicInteger totalCounter = new AtomicInteger();
@SuppressWarnings("unchecked")
Observable<String> m = Observable.create(merge(o1, o2));
m.subscribe(
new Observer<String>() {
@Override
public void onCompleted() {}
@Override
public void onError(Exception e) {
throw new RuntimeException("failed", e);
}
@Override
public void onNext(String v) {
totalCounter.incrementAndGet();
concurrentCounter.incrementAndGet();
try {
// wait here until we're done asserting
endLatch.await();
} catch (InterruptedException e) {
e.printStackTrace();
throw new RuntimeException("failed", e);
} finally {
concurrentCounter.decrementAndGet();
}
}
});
// wait for both observables to send (one should be blocked)
o1.onNextBeingSent.await();
o2.onNextBeingSent.await();
// I can't think of a way to know for sure that both threads have or are trying to send onNext
// since I can't use a CountDownLatch for "after" onNext since I want to catch during it
// but I can't know for sure onNext is invoked
// so I'm unfortunately reverting to using a Thread.sleep to allow the process scheduler time
// to make sure after o1.onNextBeingSent and o2.onNextBeingSent are hit that the following
// onNext is invoked.
Thread.sleep(300);
try { // in try/finally so threads are released via latch countDown even if assertion fails
assertEquals(1, concurrentCounter.get());
} finally {
// release so it can finish
endLatch.countDown();
}
try {
o1.t.join();
o2.t.join();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
assertEquals(2, totalCounter.get());
assertEquals(0, concurrentCounter.get());
}