opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/RaftActorContextImplTest.java

   1 /*
   2  * Copyright (c) 2015 Brocade Communications 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.cluster.raft;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertNotNull;
  12 import static org.junit.Assert.assertNull;
  13 import static org.mockito.Matchers.anyString;
  14 import static org.mockito.Mockito.doReturn;
  15 import static org.mockito.Mockito.mock;
  16 import static org.mockito.Mockito.never;
  17 import static org.mockito.Mockito.reset;
  18 import static org.mockito.Mockito.verify;
  19 import akka.actor.Props;
  20 import akka.testkit.TestActorRef;
  21 import com.google.common.collect.ImmutableMap;
  22 import com.google.common.collect.Maps;
  23 import java.util.Arrays;
  24 import java.util.HashMap;
  25 import java.util.Map;
  26 import org.junit.After;
  27 import org.junit.Test;
  28 import org.opendaylight.controller.cluster.NonPersistentDataProvider;
  29 import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
  30 import org.opendaylight.controller.cluster.raft.persisted.ServerInfo;
  31 import org.opendaylight.controller.cluster.raft.utils.DoNothingActor;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 /**
  36  * Unit tests for RaftActorContextImpl.
  37  *
  38  * @author Thomas Pantelis
  39  */
  40 public class RaftActorContextImplTest extends AbstractActorTest {
  41     private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
  42
  43     private final TestActorRef<DoNothingActor> actor = actorFactory.createTestActor(
  44             Props.create(DoNothingActor.class), actorFactory.generateActorId("actor"));
  45
  46     private final Logger log = LoggerFactory.getLogger(RaftActorContextImplTest.class);
  47
  48     @After
  49     public void tearDown() {
  50         actorFactory.close();
  51     }
  52
  53     @Test
  54     public void testGetPeerAddress() {
  55         Map<String, String> peerMap = new HashMap<>();
  56         peerMap.put("peer1", "peerAddress1");
  57         peerMap.put("peer2", null);
  58         DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
  59         RaftActorContextImpl context = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
  60                 "test", new ElectionTermImpl(new NonPersistentDataProvider(), "test", log), -1, -1,
  61                 peerMap, configParams, new NonPersistentDataProvider(), log);
  62
  63         assertEquals("getPeerAddress", "peerAddress1", context.getPeerAddress("peer1"));
  64         assertEquals("getPeerAddress", null, context.getPeerAddress("peer2"));
  65
  66         PeerAddressResolver mockResolver = mock(PeerAddressResolver.class);
  67         doReturn("peerAddress2").when(mockResolver).resolve("peer2");
  68         doReturn("peerAddress3").when(mockResolver).resolve("peer3");
  69         configParams.setPeerAddressResolver(mockResolver);
  70
  71         assertEquals("getPeerAddress", "peerAddress2", context.getPeerAddress("peer2"));
  72         assertEquals("getPeerAddress", "peerAddress3", context.getPeerAddress("peer3"));
  73
  74         reset(mockResolver);
  75         assertEquals("getPeerAddress", "peerAddress1", context.getPeerAddress("peer1"));
  76         assertEquals("getPeerAddress", "peerAddress2", context.getPeerAddress("peer2"));
  77         verify(mockResolver, never()).resolve(anyString());
  78     }
  79
  80     @Test
  81     public void testSetPeerAddress() {
  82         DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
  83         RaftActorContextImpl context = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
  84                 "test", new ElectionTermImpl(new NonPersistentDataProvider(), "test", log), -1, -1,
  85                 Maps.newHashMap(ImmutableMap.<String, String>of("peer1", "peerAddress1")), configParams,
  86                 new NonPersistentDataProvider(), log);
  87
  88         context.setPeerAddress("peer1", "peerAddress1_1");
  89         assertEquals("getPeerAddress", "peerAddress1_1", context.getPeerAddress("peer1"));
  90
  91         context.setPeerAddress("peer2", "peerAddress2");
  92         assertEquals("getPeerAddress", null, context.getPeerAddress("peer2"));
  93     }
  94
  95     @Test
  96     public void testUpdatePeerIds() {
  97         RaftActorContextImpl context = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
  98                 "self", new ElectionTermImpl(new NonPersistentDataProvider(), "test", log), -1, -1,
  99                 Maps.newHashMap(ImmutableMap.<String, String>of("peer1", "peerAddress1")),
 100                 new DefaultConfigParamsImpl(), new NonPersistentDataProvider(), log);
 101
 102         context.updatePeerIds(new ServerConfigurationPayload(Arrays.asList(new ServerInfo("self", false),
 103                 new ServerInfo("peer2", true), new ServerInfo("peer3", false))));
 104         verifyPeerInfo(context, "peer1", null);
 105         verifyPeerInfo(context, "peer2", true);
 106         verifyPeerInfo(context, "peer3", false);
 107         assertEquals("isVotingMember", false, context.isVotingMember());
 108
 109         context.updatePeerIds(new ServerConfigurationPayload(Arrays.asList(new ServerInfo("self", true),
 110                 new ServerInfo("peer2", true), new ServerInfo("peer3", true))));
 111         verifyPeerInfo(context, "peer2", true);
 112         verifyPeerInfo(context, "peer3", true);
 113         assertEquals("isVotingMember", true, context.isVotingMember());
 114
 115         context.updatePeerIds(new ServerConfigurationPayload(Arrays.asList(new ServerInfo("peer2", true),
 116                 new ServerInfo("peer3", true))));
 117         verifyPeerInfo(context, "peer2", true);
 118         verifyPeerInfo(context, "peer3", true);
 119         assertEquals("isVotingMember", false, context.isVotingMember());
 120     }
 121
 122     private static void verifyPeerInfo(RaftActorContextImpl context, String peerId, Boolean voting) {
 123         PeerInfo peerInfo = context.getPeerInfo(peerId);
 124         if(voting != null) {
 125             assertNotNull("Expected peer " + peerId, peerInfo);
 126             assertEquals("getVotingState for " + peerId, voting.booleanValue() ? VotingState.VOTING : VotingState.NON_VOTING,
 127                     peerInfo.getVotingState());
 128         } else {
 129             assertNull("Unexpected peer " + peerId, peerInfo);
 130         }
 131     }
 132 }