/*
* Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.controller.cluster.raft;
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.pattern.Patterns;
import akka.testkit.JavaTestKit;
import akka.util.Timeout;
import com.google.common.util.concurrent.Uninterruptibles;
import java.util.Optional;
import java.util.concurrent.TimeUnit;
import org.junit.Assert;
import org.opendaylight.controller.cluster.raft.client.messages.FindLeader;
import org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import scala.concurrent.Await;
import scala.concurrent.Future;
import scala.concurrent.duration.Duration;
import scala.concurrent.duration.FiniteDuration;
public class RaftActorTestKit extends JavaTestKit {
private static final Logger LOG = LoggerFactory.getLogger(RaftActorTestKit.class);
private final ActorRef raftActor;
public RaftActorTestKit(ActorSystem actorSystem, String actorName) {
super(actorSystem);
raftActor = this.getSystem().actorOf(MockRaftActor.builder().id(actorName).props(), actorName);
}
public ActorRef getRaftActor() {
return raftActor;
}
public boolean waitForLogMessage(final Class<?> logEventClass, String message) {
// Wait for a specific log message to show up
return
new JavaTestKit.EventFilter<Boolean>(logEventClass
) {
@Override
protected Boolean run() {
return true;
}
}.from(raftActor.path().toString())
.message(message)
.occurrences(1).exec();
}
protected void waitUntilLeader() {
waitUntilLeader(raftActor);
}
@SuppressWarnings("checkstyle:IllegalCatch")
public static void waitUntilLeader(ActorRef actorRef) {
FiniteDuration duration = Duration.create(100, TimeUnit.MILLISECONDS);
for (int i = 0; i < 20 * 5; i++) {
Future<Object> future = Patterns.ask(actorRef, FindLeader.INSTANCE, new Timeout(duration));
try {
final Optional<String> maybeLeader = ((FindLeaderReply)Await.result(future, duration)).getLeaderActor();
if (maybeLeader.isPresent()) {
return;
}
} catch (Exception e) {
LOG.error("FindLeader failed", e);
}
Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
}
Assert.fail("Leader not found for actorRef " + actorRef.path());
}
}