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