// makes sure that when a listener is register, we don't see any messages being published before
// it got registered. We'll only see the messages after it got registered.
@Test
public void testAlwaysStartAfterTail() {
topic.publish("1");
topic.publish("2");
topic.publish("3");
spawn(
new Runnable() {
@Override
public void run() {
sleepSeconds(5);
topic.publish("4");
topic.publish("5");
topic.publish("6");
}
});
final ReliableMessageListenerMock listener = new ReliableMessageListenerMock();
topic.addMessageListener(listener);
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(asList("4", "5", "6"), Arrays.asList(listener.objects.toArray()));
}
});
}
@Test
public void testMessageFieldSetCorrectly() {
final ReliableMessageListenerMock listener = new ReliableMessageListenerMock();
topic.addMessageListener(listener);
final long beforePublishTime = Clock.currentTimeMillis();
topic.publish("foo");
final long afterPublishTime = Clock.currentTimeMillis();
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(1, listener.messages.size());
Message<String> message = listener.messages.get(0);
assertEquals("foo", message.getMessageObject());
Member localMember = local.getCluster().getLocalMember();
assertEquals(localMember, message.getPublishingMember());
long actualPublishTime = message.getPublishTime();
assertTrue(actualPublishTime >= beforePublishTime);
assertTrue(actualPublishTime <= afterPublishTime);
}
});
}
@Test
public void publishNull() throws InterruptedException {
final ReliableMessageListenerMock listener = new ReliableMessageListenerMock();
topic.addMessageListener(listener);
topic.publish(null);
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
assertContains(listener.objects, null);
}
});
}
@Test
public void publishSingle() throws InterruptedException {
final ReliableMessageListenerMock listener = new ReliableMessageListenerMock();
topic.addMessageListener(listener);
final String msg = "foobar";
topic.publish(msg);
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
assertContains(listener.objects, msg);
}
});
}
@Test
public void removeMessageListener_whenExisting() {
final ReliableMessageListenerMock listener = new ReliableMessageListenerMock();
String id = topic.addMessageListener(listener);
boolean removed = topic.removeMessageListener(id);
assertTrue(removed);
topic.publish("1");
// it should not receive any events
assertTrueDelayed5sec(
new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(0, listener.objects.size());
}
});
}
@Test
public void statistics() {
final ReliableMessageListenerMock listener = new ReliableMessageListenerMock();
topic.addMessageListener(listener);
final int messageCount = 10;
final LocalTopicStats localTopicStats = topic.getLocalTopicStats();
for (int k = 0; k < messageCount; k++) {
topic.publish("foo");
}
assertEquals(messageCount, localTopicStats.getPublishOperationCount());
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(messageCount, localTopicStats.getReceiveOperationCount());
}
});
}
@Test
public void publishMultiple() throws InterruptedException {
final ReliableMessageListenerMock listener = new ReliableMessageListenerMock();
topic.addMessageListener(listener);
final List<String> items = new ArrayList<String>();
for (int k = 0; k < 5; k++) {
items.add("" + k);
}
for (String item : items) {
topic.publish(item);
}
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(items, Arrays.asList(listener.objects.toArray()));
}
});
}
@Test
public void removeMessageListener_whenNonExisting() {
boolean result = topic.removeMessageListener(UUID.randomUUID().toString());
assertFalse(result);
}
@Test(expected = NullPointerException.class)
public void removeMessageListener_whenNull() {
topic.removeMessageListener(null);
}
@Test
public void addMessageListener() {
String id = topic.addMessageListener(new ReliableMessageListenerMock());
assertNotNull(id);
}
