2 * Copyright (c) 2015 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
9 package org.opendaylight.controller.cluster.raft.behaviors;
11 import static org.junit.Assert.assertTrue;
12 import akka.actor.ActorRef;
13 import akka.testkit.JavaTestKit;
14 import akka.testkit.TestActorRef;
15 import com.google.common.util.concurrent.Uninterruptibles;
16 import java.util.HashMap;
17 import java.util.List;
19 import java.util.concurrent.TimeUnit;
20 import org.junit.Test;
21 import org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl;
22 import org.opendaylight.controller.cluster.raft.MockRaftActorContext;
23 import org.opendaylight.controller.cluster.raft.base.messages.SendHeartBeat;
24 import org.opendaylight.controller.cluster.raft.utils.ForwardMessageToBehaviorActor;
25 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
26 import scala.concurrent.duration.FiniteDuration;
28 public abstract class AbstractLeaderTest extends AbstractRaftActorBehaviorTest{
31 * When we removed scheduling of heartbeat in the AbstractLeader constructor we ended up with a situation where
32 * if no follower responded to an initial AppendEntries heartbeats would not be sent to it. This test verifies
33 * that regardless of whether followers respond or not we schedule heartbeats.
38 public void testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries() throws Exception {
39 logStart("testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries");
40 new JavaTestKit(getSystem()) {{
41 String leaderActorId = actorFactory.generateActorId("leader");
42 String follower1ActorId = actorFactory.generateActorId("follower");
43 String follower2ActorId = actorFactory.generateActorId("follower");
45 TestActorRef<ForwardMessageToBehaviorActor> leaderActor =
46 actorFactory.createTestActor(ForwardMessageToBehaviorActor.props(), leaderActorId);
47 ActorRef follower1Actor = actorFactory.createActor(MessageCollectorActor.props(), follower1ActorId);
48 ActorRef follower2Actor = actorFactory.createActor(MessageCollectorActor.props(), follower2ActorId);
50 MockRaftActorContext leaderActorContext =
51 new MockRaftActorContext(leaderActorId, getSystem(), leaderActor);
53 DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
54 configParams.setHeartBeatInterval(new FiniteDuration(200, TimeUnit.MILLISECONDS));
55 configParams.setIsolatedLeaderCheckInterval(new FiniteDuration(10, TimeUnit.SECONDS));
57 leaderActorContext.setConfigParams(configParams);
59 leaderActorContext.setReplicatedLog(
60 new MockRaftActorContext.MockReplicatedLogBuilder().createEntries(1,5,1).build());
62 Map<String, String> peerAddresses = new HashMap<>();
63 peerAddresses.put(follower1ActorId,
64 follower1Actor.path().toString());
65 peerAddresses.put(follower2ActorId,
66 follower2Actor.path().toString());
69 leaderActorContext.setPeerAddresses(peerAddresses);
71 RaftActorBehavior leader = createBehavior(leaderActorContext);
73 leaderActor.underlyingActor().setBehavior(leader);
75 Uninterruptibles.sleepUninterruptibly(1, TimeUnit.SECONDS);
77 List<SendHeartBeat> allMessages = MessageCollectorActor.getAllMatching(leaderActor, SendHeartBeat.class);
79 // Need more than 1 heartbeat to be delivered because we waited for 1 second with heartbeat interval 200ms
80 assertTrue(String.format("%s messages is less than expected", allMessages.size()),
81 allMessages.size() > 1);