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.ArgumentMatchers.any;
  11 import static org.mockito.ArgumentMatchers.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.TestActorRef;
  24 import akka.testkit.javadsl.TestKit;
  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.RemoteOpsProviderConfig;
  33 import org.opendaylight.controller.remote.rpc.TerminationMonitor;
  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() {
  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         TestKit.shutdownActorSystem(system);
  53     }
  54
  55     @Before
  56     public void createMocks() {
  57         mockGossiper = spy(gossiper);
  58     }
  59
  60     @After
  61     public void resetMocks() {
  62         reset(mockGossiper);
  63     }
  64
  65     @Test
  66     public void testReceiveGossipTick_WhenNoRemoteMemberShouldIgnore() {
  67         mockGossiper.setClusterMembers();
  68         doNothing().when(mockGossiper).getLocalStatusAndSendTo(any(ActorSelection.class));
  69         mockGossiper.receiveGossipTick();
  70         verify(mockGossiper, times(0)).getLocalStatusAndSendTo(any(ActorSelection.class));
  71     }
  72
  73     @Test
  74     public void testReceiveGossipTick_WhenRemoteMemberExistsShouldSendStatus() {
  75         mockGossiper.setClusterMembers(new Address("tcp", "member"));
  76         doNothing().when(mockGossiper).getLocalStatusAndSendTo(any(ActorSelection.class));
  77         mockGossiper.receiveGossipTick();
  78         verify(mockGossiper, times(1)).getLocalStatusAndSendTo(any(ActorSelection.class));
  79     }
  80
  81     @SuppressWarnings("unchecked")
  82     @Test
  83     public void testReceiveGossipStatus_WhenSenderIsNonMemberShouldIgnore() {
  84         Address nonMember = new Address("tcp", "non-member");
  85         GossipStatus remoteStatus = new GossipStatus(nonMember, mock(Map.class));
  86
  87         //add a member
  88         mockGossiper.setClusterMembers(new Address("tcp", "member"));
  89         mockGossiper.receiveGossipStatus(remoteStatus);
  90         verify(mockGossiper, times(0)).getSender();
  91     }
  92
  93     @SuppressWarnings("unchecked")
  94     @Test
  95     public void testReceiveGossipWhenNotAddressedToSelfShouldIgnore() {
  96         doNothing().when(mockGossiper).updateRemoteBuckets(anyMap());
  97         Address notSelf = new Address("tcp", "not-self");
  98         mockGossiper.receiveGossip(new GossipEnvelope(notSelf, notSelf, mock(Map.class)));
  99         verify(mockGossiper, times(0)).updateRemoteBuckets(anyMap());
 100     }
 101
 102     /**
 103      * Create Gossiper actor and return the underlying instance of Gossiper class.
 104      *
 105      * @return instance of Gossiper class
 106      */
 107     private static Gossiper createGossiper() {
 108         final RemoteOpsProviderConfig config =
 109                 new RemoteOpsProviderConfig.Builder("unit-test")
 110                         .withConfigReader(ConfigFactory::load).build();
 111         final Props props = Gossiper.testProps(config);
 112         final TestActorRef<Gossiper> testRef = TestActorRef.create(system, props, "testGossiper");
 113
 114         return testRef.underlyingActor();
 115     }
 116 }