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