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.ActorSelection;
  20 import akka.actor.ActorSystem;
  21 import akka.actor.Address;
  22 import akka.actor.Props;
  23 import akka.testkit.JavaTestKit;
  24 import akka.testkit.TestActorRef;
  25 import com.typesafe.config.ConfigFactory;
  26 import java.util.Map;
  27 import org.junit.After;
  28 import org.junit.AfterClass;
  29 import org.junit.Before;
  30 import org.junit.BeforeClass;
  31 import org.junit.Test;
  32 import org.opendaylight.controller.remote.rpc.RemoteRpcProviderConfig;
  33 import org.opendaylight.controller.remote.rpc.TerminationMonitor;
  34 import org.opendaylight.controller.remote.rpc.registry.gossip.Messages.GossiperMessages.GossipEnvelope;
  35 import org.opendaylight.controller.remote.rpc.registry.gossip.Messages.GossiperMessages.GossipStatus;
  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         JavaTestKit.shutdownActorSystem(system);
  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     @SuppressWarnings("unchecked")
  86     @Test
  87     public void testReceiveGossipStatus_WhenSenderIsNonMemberShouldIgnore() {
  88
  89         Address nonMember = new Address("tcp", "non-member");
  90         GossipStatus remoteStatus = new GossipStatus(nonMember, mock(Map.class));
  91
  92         //add a member
  93         mockGossiper.setClusterMembers(new Address("tcp", "member"));
  94         mockGossiper.receiveGossipStatus(remoteStatus);
  95         verify(mockGossiper, times(0)).getSender();
  96     }
  97
  98     @SuppressWarnings({ "unchecked", "rawtypes" })
  99     @Test
 100     public void testReceiveGossipWhenNotAddressedToSelfShouldIgnore() {
 101         Address notSelf = new Address("tcp", "not-self");
 102
 103         GossipEnvelope envelope = new GossipEnvelope(notSelf, notSelf, mock(Map.class));
 104         doNothing().when(mockGossiper).updateRemoteBuckets(anyMap());
 105         mockGossiper.receiveGossip(envelope);
 106         verify(mockGossiper, times(0)).updateRemoteBuckets(anyMap());
 107     }
 108
 109     /**
 110      * Create Gossiper actor and return the underlying instance of Gossiper class.
 111      *
 112      * @return instance of Gossiper class
 113      */
 114     private static Gossiper createGossiper() {
 115         final Props props = Gossiper.testProps(new RemoteRpcProviderConfig(system.settings().config()));
 116         final TestActorRef<Gossiper> testRef = TestActorRef.create(system, props, "testGossiper");
 117
 118         return testRef.underlyingActor();
 119     }
 120 }