/**
* JBoss, Home of Professional Open Source
* Copyright Red Hat, Inc., and individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.aerogear.unifiedpush.message.jms;
import static org.junit.Assert.assertEquals;
import java.util.UUID;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.annotation.Resource;
import javax.enterprise.event.Event;
import javax.enterprise.event.Observes;
import javax.inject.Inject;
import javax.jms.Queue;
import org.jboss.aerogear.unifiedpush.message.AbstractJMSTest;
import org.jboss.aerogear.unifiedpush.message.event.TriggerMetricCollectionEvent;
import org.jboss.aerogear.unifiedpush.test.archive.UnifiedPushArchive;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(Arquillian.class)
public class TestTriggerMetricCollectionDeduplication extends AbstractJMSTest {
@Deployment
public static WebArchive archive() {
return UnifiedPushArchive.forTestClass(TestTriggerMetricCollectionDeduplication.class)
.withMessaging()
.withMessageDrivenBeans()
.addClasses(CdiJmsBridge.class)
.as(WebArchive.class);
}
@Inject @DispatchToQueue
private Event<TriggerMetricCollectionEvent> triggerMetricCollection;
@Resource(mappedName = "java:/queue/TriggerMetricCollectionQueue")
private Queue triggerMetricCollectionQueue;
private static final ConcurrentLinkedQueue<TriggerMetricCollectionEvent> receivedTriggers = new ConcurrentLinkedQueue<>();
private static final CountDownLatch firstMessageLatch = new CountDownLatch(1);
private static String messageId;
@Test(timeout = 5000)
public void testDeduplication() throws InterruptedException {
messageId = UUID.randomUUID().toString();
TriggerMetricCollectionEvent msg = new TriggerMetricCollectionEvent(messageId);
// it doesn't matter how many times we send the message, ...
triggerMetricCollection.fire(msg);
triggerMetricCollection.fire(msg);
firstMessageLatch.await(2500L, TimeUnit.MILLISECONDS);
// we will be able to receive it just once
assertEquals("first try for receiving the message should receive it successfully", 1, receivedTriggers.size());
// and any other try to receive it again won't succeed
// since it will be dropped by the queue (that is detecting duplicates by ID)
Thread.sleep(1000L);
assertEquals("but second try should not receive any further message since it was de-duplicated", 1, receivedTriggers.size());
// any other try for sending the message with same ID (even though we are sending different object in terms of equality)
msg = new TriggerMetricCollectionEvent(messageId);
triggerMetricCollection.fire(msg);
triggerMetricCollection.fire(msg);
// ...will again mean the message will be rejected by the queue
Thread.sleep(1000L);
assertEquals("any other try should not receive any further message since it was de-duplicated", 1, receivedTriggers.size());
}
public void receiveTrigger(@Observes @Dequeue TriggerMetricCollectionEvent triggerEvent) {
if (triggerEvent.getPushMessageInformationId().equals(messageId)) {
triggerEvent.markAllVariantsProcessed(); // mark processed, otherwise it will be rolled-back and redelivered
receivedTriggers.add(triggerEvent);
if (receivedTriggers.size() == 1) {
firstMessageLatch.countDown();
}
}
}
}