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