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
  19 import akka.actor.ActorSystem;
  20 import akka.actor.Address;
  21 import akka.actor.Props;
  22 import akka.testkit.JavaTestKit;
  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 import org.opendaylight.controller.remote.rpc.registry.gossip.Messages.GossiperMessages.GossipEnvelope;
  37 import org.opendaylight.controller.remote.rpc.registry.gossip.Messages.GossiperMessages.GossipStatus;
  38
  39
  40 public class GossiperTest {
  41
  42     private static ActorSystem system;
  43     private static Gossiper gossiper;
  44
  45     private Gossiper mockGossiper;
  46
  47     @BeforeClass
  48     public static void setup() throws InterruptedException {
  49         system = ActorSystem.create("opendaylight-rpc", ConfigFactory.load().getConfig("unit-test"));
  50         system.actorOf(Props.create(TerminationMonitor.class), "termination-monitor");
  51
  52         gossiper = createGossiper();
  53     }
  54
  55     @AfterClass
  56     public static void teardown() {
  57         JavaTestKit.shutdownActorSystem(system);
  58     }
  59
  60     @Before
  61     public void createMocks() {
  62         mockGossiper = spy(gossiper);
  63     }
  64
  65     @After
  66     public void resetMocks() {
  67         reset(mockGossiper);
  68
  69     }
  70
  71     @Test
  72     public void testReceiveGossipTick_WhenNoRemoteMemberShouldIgnore() {
  73
  74         mockGossiper.setClusterMembers(Collections.<Address>emptyList());
  75         doNothing().when(mockGossiper).getLocalStatusAndSendTo(any(Address.class));
  76         mockGossiper.receiveGossipTick();
  77         verify(mockGossiper, times(0)).getLocalStatusAndSendTo(any(Address.class));
  78     }
  79
  80     @Test
  81     public void testReceiveGossipTick_WhenRemoteMemberExistsShouldSendStatus() {
  82         List<Address> members = new ArrayList<>();
  83         Address remote = new Address("tcp", "member");
  84         members.add(remote);
  85
  86         mockGossiper.setClusterMembers(members);
  87         doNothing().when(mockGossiper).getLocalStatusAndSendTo(any(Address.class));
  88         mockGossiper.receiveGossipTick();
  89         verify(mockGossiper, times(1)).getLocalStatusAndSendTo(any(Address.class));
  90     }
  91
  92     @SuppressWarnings("unchecked")
  93     @Test
  94     public void testReceiveGossipStatus_WhenSenderIsNonMemberShouldIgnore() {
  95
  96         Address nonMember = new Address("tcp", "non-member");
  97         GossipStatus remoteStatus = new GossipStatus(nonMember, mock(Map.class));
  98
  99         //add a member
 100         List<Address> members = new ArrayList<>();
 101         members.add(new Address("tcp", "member"));
 102
 103         mockGossiper.setClusterMembers(members);
 104         mockGossiper.receiveGossipStatus(remoteStatus);
 105         verify(mockGossiper, times(0)).getSender();
 106     }
 107
 108     @SuppressWarnings({ "unchecked", "rawtypes" })
 109     @Test
 110     public void testReceiveGossipWhenNotAddressedToSelfShouldIgnore() {
 111         Address notSelf = new Address("tcp", "not-self");
 112
 113         GossipEnvelope envelope = new GossipEnvelope(notSelf, notSelf, mock(Map.class));
 114         doNothing().when(mockGossiper).updateRemoteBuckets(anyMap());
 115         mockGossiper.receiveGossip(envelope);
 116         verify(mockGossiper, times(0)).updateRemoteBuckets(anyMap());
 117     }
 118
 119     /**
 120      * Create Gossiper actor and return the underlying instance of Gossiper class.
 121      *
 122      * @return instance of Gossiper class
 123      */
 124     private static Gossiper createGossiper() {
 125         final Props props = Props.create(Gossiper.class, false,
 126                 new RemoteRpcProviderConfig(system.settings().config()));
 127         final TestActorRef<Gossiper> testRef = TestActorRef.create(system, props, "testGossiper");
 128
 129         return testRef.underlyingActor();
 130     }
 131 }