opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTestKit.java

   1 /*
   2  * Copyright (c) 2014 Brocade Communications Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.cluster.datastore;
   9
  10 import akka.actor.ActorRef;
  11 import akka.actor.ActorSystem;
  12 import akka.pattern.Patterns;
  13 import akka.testkit.JavaTestKit;
  14 import akka.util.Timeout;
  15 import com.google.common.util.concurrent.Uninterruptibles;
  16 import org.junit.Assert;
  17 import org.opendaylight.controller.cluster.raft.client.messages.FindLeader;
  18 import org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply;
  19 import scala.concurrent.Await;
  20 import scala.concurrent.Future;
  21 import scala.concurrent.duration.Duration;
  22 import scala.concurrent.duration.FiniteDuration;
  23
  24 import java.util.concurrent.TimeUnit;
  25 import java.util.concurrent.TimeoutException;
  26
  27 class ShardTestKit extends JavaTestKit {
  28
  29     ShardTestKit(ActorSystem actorSystem) {
  30         super(actorSystem);
  31     }
  32
  33     protected void waitForLogMessage(final Class<?> logLevel, ActorRef subject, String logMessage){
  34         // Wait for a specific log message to show up
  35         final boolean result =
  36             new JavaTestKit.EventFilter<Boolean>(logLevel
  37             ) {
  38                 @Override
  39                 protected Boolean run() {
  40                     return true;
  41                 }
  42             }.from(subject.path().toString())
  43                 .message(logMessage)
  44                 .occurrences(1).exec();
  45
  46         Assert.assertEquals(true, result);
  47
  48     }
  49
  50     protected void waitUntilLeader(ActorRef shard) {
  51         FiniteDuration duration = Duration.create(100, TimeUnit.MILLISECONDS);
  52         for(int i = 0; i < 20 * 5; i++) {
  53             Future<Object> future = Patterns.ask(shard, new FindLeader(), new Timeout(duration));
  54             try {
  55                 FindLeaderReply resp = (FindLeaderReply)Await.result(future, duration);
  56                 if(resp.getLeaderActor() != null) {
  57                     return;
  58                 }
  59             } catch(TimeoutException e) {
  60             } catch(Exception e) {
  61                 System.err.println("FindLeader threw ex");
  62                 e.printStackTrace();
  63             }
  64
  65
  66             Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
  67         }
  68
  69         Assert.fail("Leader not found for shard " + shard.path());
  70     }
  71
  72 }