2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.common.actor;
10 import akka.actor.ActorRef;
11 import akka.actor.ActorSystem;
12 import akka.actor.DeadLetter;
13 import akka.actor.Props;
14 import akka.actor.UntypedActor;
15 import akka.testkit.JavaTestKit;
16 import com.typesafe.config.ConfigFactory;
17 import java.util.concurrent.TimeUnit;
18 import java.util.concurrent.locks.ReentrantLock;
19 import org.junit.AfterClass;
20 import org.junit.BeforeClass;
21 import org.junit.Test;
22 import scala.concurrent.duration.FiniteDuration;
24 public class MeteredBoundedMailboxTest {
26 private static ActorSystem actorSystem;
27 private static CommonConfig config;
28 private final ReentrantLock lock = new ReentrantLock();
31 public static void setUp() throws Exception {
32 config = new CommonConfig.Builder<>("testsystem").withConfigReader(() -> ConfigFactory.load()).build();
33 actorSystem = ActorSystem.create("testsystem", config.get());
37 public static void tearDown() throws Exception {
38 if (actorSystem != null) {
39 actorSystem.terminate();
45 public void shouldSendMsgToDeadLetterWhenQueueIsFull() throws InterruptedException {
46 final JavaTestKit mockReceiver = new JavaTestKit(actorSystem);
47 actorSystem.eventStream().subscribe(mockReceiver.getRef(), DeadLetter.class);
49 final FiniteDuration twentySeconds = new FiniteDuration(20, TimeUnit.SECONDS);
51 ActorRef pingPongActor = actorSystem.actorOf(PingPongActor.props(lock).withMailbox(config.getMailBoxName()),
54 actorSystem.mailboxes().settings();
58 //need to send 12 messages; 1 message is dequeued and actor waits on lock,
59 //2nd to 11th messages are put on the queue
60 //12th message is sent to dead letter.
61 for (int i = 0; i < 12; i++) {
62 pingPongActor.tell("ping", mockReceiver.getRef());
65 mockReceiver.expectMsgClass(twentySeconds, DeadLetter.class);
70 mockReceiver.receiveN(11, twentySeconds);
76 public static class PingPongActor extends UntypedActor {
80 private PingPongActor(final ReentrantLock lock) {
84 public static Props props(final ReentrantLock lock) {
85 return Props.create(PingPongActor.class, lock);
89 public void onReceive(final Object message) throws Exception {
92 if ("ping".equals(message)) {
93 getSender().tell("pong", getSelf());