opendaylight/md-sal/sal-remoterpc-connector/src/test/java/org/opendaylight/controller/remote/rpc/registry/gossip/GossiperTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco 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.remote.rpc.registry.gossip;
   9
  10 import static org.mockito.Matchers.any;
  11 import static org.mockito.Matchers.anyMap;
  12 import static org.mockito.Mockito.doNothing;
  13 import static org.mockito.Mockito.mock;
  14 import static org.mockito.Mockito.reset;
  15 import static org.mockito.Mockito.spy;
  16 import static org.mockito.Mockito.times;
  17 import static org.mockito.Mockito.verify;
  18 import static org.opendaylight.controller.remote.rpc.registry.gossip.Messages.GossiperMessages.GossipEnvelope;
  19 import static org.opendaylight.controller.remote.rpc.registry.gossip.Messages.GossiperMessages.GossipStatus;
  20
  21 import akka.actor.ActorSelection;
  22 import akka.actor.ActorSystem;
  23 import akka.actor.Address;
  24 import akka.actor.Props;
  25 import akka.testkit.TestActorRef;
  26 import com.typesafe.config.ConfigFactory;
  27 import java.util.Map;
  28 import org.junit.After;
  29 import org.junit.AfterClass;
  30 import org.junit.Before;
  31 import org.junit.BeforeClass;
  32 import org.junit.Test;
  33 import org.opendaylight.controller.remote.rpc.RemoteRpcProviderConfig;
  34 import org.opendaylight.controller.remote.rpc.TerminationMonitor;
  35
  36
  37 public class GossiperTest {
  38
  39     private static ActorSystem system;
  40     private static Gossiper gossiper;
  41
  42     private Gossiper mockGossiper;
  43
  44     @BeforeClass
  45     public static void setup() throws InterruptedException {
  46         system = ActorSystem.create("opendaylight-rpc", ConfigFactory.load().getConfig("unit-test"));
  47         system.actorOf(Props.create(TerminationMonitor.class), "termination-monitor");
  48
  49         gossiper = createGossiper();
  50     }
  51
  52     @AfterClass
  53     public static void teardown() {
  54         if (system != null)
  55             system.shutdown();
  56     }
  57
  58     @Before
  59     public void createMocks(){
  60         mockGossiper = spy(gossiper);
  61     }
  62
  63     @After
  64     public void resetMocks(){
  65         reset(mockGossiper);
  66
  67     }
  68
  69     @Test
  70     public void testReceiveGossipTick_WhenNoRemoteMemberShouldIgnore() {
  71         mockGossiper.setClusterMembers();
  72         doNothing().when(mockGossiper).getLocalStatusAndSendTo(any(ActorSelection.class));
  73         mockGossiper.receiveGossipTick();
  74         verify(mockGossiper, times(0)).getLocalStatusAndSendTo(any(ActorSelection.class));
  75     }
  76
  77     @Test
  78     public void testReceiveGossipTick_WhenRemoteMemberExistsShouldSendStatus() {
  79         mockGossiper.setClusterMembers(new Address("tcp", "member"));
  80         doNothing().when(mockGossiper).getLocalStatusAndSendTo(any(ActorSelection.class));
  81         mockGossiper.receiveGossipTick();
  82         verify(mockGossiper, times(1)).getLocalStatusAndSendTo(any(ActorSelection.class));
  83     }
  84
  85     @Test
  86     public void testReceiveGossipStatus_WhenSenderIsNonMemberShouldIgnore(){
  87
  88         Address nonMember = new Address("tcp", "non-member");
  89         GossipStatus remoteStatus = new GossipStatus(nonMember, mock(Map.class));
  90
  91         //add a member
  92         mockGossiper.setClusterMembers(new Address("tcp", "member"));
  93         mockGossiper.receiveGossipStatus(remoteStatus);
  94         verify(mockGossiper, times(0)).getSender();
  95     }
  96
  97     @Test
  98     public void testReceiveGossip_WhenNotAddressedToSelfShouldIgnore(){
  99         Address notSelf = new Address("tcp", "not-self");
 100
 101         GossipEnvelope envelope = new GossipEnvelope(notSelf, notSelf, mock(Map.class));
 102         doNothing().when(mockGossiper).updateRemoteBuckets(anyMap());
 103         mockGossiper.receiveGossip(envelope);
 104         verify(mockGossiper, times(0)).updateRemoteBuckets(anyMap());
 105     }
 106
 107     /**
 108      * Create Gossiper actor and return the underlying instance of Gossiper class.
 109      *
 110      * @return instance of Gossiper class
 111      */
 112     private static Gossiper createGossiper() {
 113         final Props props = Gossiper.testProps(new RemoteRpcProviderConfig(system.settings().config()));
 114         final TestActorRef<Gossiper> testRef = TestActorRef.create(system, props, "testGossiper");
 115
 116         return testRef.underlyingActor();
 117     }
 118 }