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 import akka.actor.ActorSystem;
  21 import akka.actor.Address;
  22 import akka.actor.Props;
  23 import akka.testkit.TestActorRef;
  24 import com.typesafe.config.ConfigFactory;
  25 import java.util.ArrayList;
  26 import java.util.Collections;
  27 import java.util.List;
  28 import java.util.Map;
  29 import org.junit.After;
  30 import org.junit.AfterClass;
  31 import org.junit.Before;
  32 import org.junit.BeforeClass;
  33 import org.junit.Test;
  34 import org.opendaylight.controller.remote.rpc.RemoteRpcProviderConfig;
  35 import org.opendaylight.controller.remote.rpc.TerminationMonitor;
  36
  37
  38 public class GossiperTest {
  39
  40     private static ActorSystem system;
  41     private static Gossiper gossiper;
  42
  43     private Gossiper mockGossiper;
  44
  45     @BeforeClass
  46     public static void setup() throws InterruptedException {
  47         system = ActorSystem.create("opendaylight-rpc", ConfigFactory.load().getConfig("unit-test"));
  48         system.actorOf(Props.create(TerminationMonitor.class), "termination-monitor");
  49
  50         gossiper = createGossiper();
  51     }
  52
  53     @AfterClass
  54     public static void teardown() {
  55         if (system != null)
  56             system.shutdown();
  57     }
  58
  59     @Before
  60     public void createMocks(){
  61         mockGossiper = spy(gossiper);
  62     }
  63
  64     @After
  65     public void resetMocks(){
  66         reset(mockGossiper);
  67
  68     }
  69
  70     @Test
  71     public void testReceiveGossipTick_WhenNoRemoteMemberShouldIgnore(){
  72
  73         mockGossiper.setClusterMembers(Collections.<Address>emptyList());
  74         doNothing().when(mockGossiper).getLocalStatusAndSendTo(any(Address.class));
  75         mockGossiper.receiveGossipTick();
  76         verify(mockGossiper, times(0)).getLocalStatusAndSendTo(any(Address.class));
  77     }
  78
  79     @Test
  80     public void testReceiveGossipTick_WhenRemoteMemberExistsShouldSendStatus(){
  81         List<Address> members = new ArrayList<>();
  82         Address remote = new Address("tcp", "member");
  83         members.add(remote);
  84
  85         mockGossiper.setClusterMembers(members);
  86         doNothing().when(mockGossiper).getLocalStatusAndSendTo(any(Address.class));
  87         mockGossiper.receiveGossipTick();
  88         verify(mockGossiper, times(1)).getLocalStatusAndSendTo(any(Address.class));
  89     }
  90
  91     @Test
  92     public void testReceiveGossipStatus_WhenSenderIsNonMemberShouldIgnore(){
  93
  94         Address nonMember = new Address("tcp", "non-member");
  95         GossipStatus remoteStatus = new GossipStatus(nonMember, mock(Map.class));
  96
  97         //add a member
  98         List<Address> members = new ArrayList<>();
  99         members.add(new Address("tcp", "member"));
 100
 101         mockGossiper.setClusterMembers(members);
 102         mockGossiper.receiveGossipStatus(remoteStatus);
 103         verify(mockGossiper, times(0)).getSender();
 104     }
 105
 106     @Test
 107     public void testReceiveGossip_WhenNotAddressedToSelfShouldIgnore(){
 108         Address notSelf = new Address("tcp", "not-self");
 109
 110         GossipEnvelope envelope = new GossipEnvelope(notSelf, notSelf, mock(Map.class));
 111         doNothing().when(mockGossiper).updateRemoteBuckets(anyMap());
 112         mockGossiper.receiveGossip(envelope);
 113         verify(mockGossiper, times(0)).updateRemoteBuckets(anyMap());
 114     }
 115
 116     /**
 117      * Create Gossiper actor and return the underlying instance of Gossiper class.
 118      *
 119      * @return instance of Gossiper class
 120      */
 121     private static Gossiper createGossiper(){
 122
 123         final Props props = Props.create(Gossiper.class, false, new RemoteRpcProviderConfig(system.settings().config()));
 124         final TestActorRef<Gossiper> testRef = TestActorRef.create(system, props, "testGossiper");
 125
 126         return testRef.underlyingActor();
 127     }
 128 }