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
  20 import akka.actor.Props;
  21 import akka.testkit.TestActorRef;
  22 import com.google.common.collect.ImmutableMap;
  23 import com.google.common.collect.Maps;
  24 import java.util.Arrays;
  25 import java.util.HashMap;
  26 import java.util.Map;
  27 import org.junit.After;
  28 import org.junit.Test;
  29 import org.opendaylight.controller.cluster.DataPersistenceProvider;
  30 import org.opendaylight.controller.cluster.NonPersistentDataProvider;
  31 import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
  32 import org.opendaylight.controller.cluster.raft.persisted.ServerInfo;
  33 import org.opendaylight.controller.cluster.raft.utils.DoNothingActor;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * Unit tests for RaftActorContextImpl.
  39  *
  40  * @author Thomas Pantelis
  41  */
  42 public class RaftActorContextImplTest extends AbstractActorTest {
  43     private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
  44
  45     private final TestActorRef<DoNothingActor> actor = actorFactory.createTestActor(
  46             Props.create(DoNothingActor.class), actorFactory.generateActorId("actor"));
  47
  48     private static final Logger LOG = LoggerFactory.getLogger(RaftActorContextImplTest.class);
  49
  50     @After
  51     public void tearDown() {
  52         actorFactory.close();
  53     }
  54
  55     @Test
  56     public void testGetPeerAddress() {
  57         Map<String, String> peerMap = new HashMap<>();
  58         peerMap.put("peer1", "peerAddress1");
  59         peerMap.put("peer2", null);
  60         DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
  61         RaftActorContextImpl context = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
  62                 "test", new ElectionTermImpl(createProvider(), "test", LOG), -1, -1,
  63                 peerMap, configParams, createProvider(), applyState -> { }, LOG);
  64
  65         assertEquals("getPeerAddress", "peerAddress1", context.getPeerAddress("peer1"));
  66         assertEquals("getPeerAddress", null, context.getPeerAddress("peer2"));
  67
  68         PeerAddressResolver mockResolver = mock(PeerAddressResolver.class);
  69         doReturn("peerAddress2").when(mockResolver).resolve("peer2");
  70         doReturn("peerAddress3").when(mockResolver).resolve("peer3");
  71         configParams.setPeerAddressResolver(mockResolver);
  72
  73         assertEquals("getPeerAddress", "peerAddress2", context.getPeerAddress("peer2"));
  74         assertEquals("getPeerAddress", "peerAddress3", context.getPeerAddress("peer3"));
  75
  76         reset(mockResolver);
  77         assertEquals("getPeerAddress", "peerAddress1", context.getPeerAddress("peer1"));
  78         assertEquals("getPeerAddress", "peerAddress2", context.getPeerAddress("peer2"));
  79         verify(mockResolver, never()).resolve(anyString());
  80     }
  81
  82     @Test
  83     public void testSetPeerAddress() {
  84         DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
  85         RaftActorContextImpl context = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
  86                 "test", new ElectionTermImpl(createProvider(), "test", LOG), -1, -1,
  87                 Maps.newHashMap(ImmutableMap.<String, String>of("peer1", "peerAddress1")), configParams,
  88                 createProvider(), applyState -> { }, LOG);
  89
  90         context.setPeerAddress("peer1", "peerAddress1_1");
  91         assertEquals("getPeerAddress", "peerAddress1_1", context.getPeerAddress("peer1"));
  92
  93         context.setPeerAddress("peer2", "peerAddress2");
  94         assertEquals("getPeerAddress", null, context.getPeerAddress("peer2"));
  95     }
  96
  97     @Test
  98     public void testUpdatePeerIds() {
  99         RaftActorContextImpl context = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
 100                 "self", new ElectionTermImpl(createProvider(), "test", LOG), -1, -1,
 101                 Maps.newHashMap(ImmutableMap.<String, String>of("peer1", "peerAddress1")),
 102                 new DefaultConfigParamsImpl(), createProvider(), applyState -> { }, LOG);
 103
 104         context.updatePeerIds(new ServerConfigurationPayload(Arrays.asList(new ServerInfo("self", false),
 105                 new ServerInfo("peer2", true), new ServerInfo("peer3", false))));
 106         verifyPeerInfo(context, "peer1", null);
 107         verifyPeerInfo(context, "peer2", true);
 108         verifyPeerInfo(context, "peer3", false);
 109         assertEquals("isVotingMember", false, context.isVotingMember());
 110
 111         context.updatePeerIds(new ServerConfigurationPayload(Arrays.asList(new ServerInfo("self", true),
 112                 new ServerInfo("peer2", true), new ServerInfo("peer3", true))));
 113         verifyPeerInfo(context, "peer2", true);
 114         verifyPeerInfo(context, "peer3", true);
 115         assertEquals("isVotingMember", true, context.isVotingMember());
 116
 117         context.updatePeerIds(new ServerConfigurationPayload(Arrays.asList(new ServerInfo("peer2", true),
 118                 new ServerInfo("peer3", true))));
 119         verifyPeerInfo(context, "peer2", true);
 120         verifyPeerInfo(context, "peer3", true);
 121         assertEquals("isVotingMember", false, context.isVotingMember());
 122     }
 123
 124     private static DataPersistenceProvider createProvider() {
 125         return new NonPersistentDataProvider(Runnable::run);
 126     }
 127
 128     private static void verifyPeerInfo(final RaftActorContextImpl context, final String peerId, final Boolean voting) {
 129         PeerInfo peerInfo = context.getPeerInfo(peerId);
 130         if (voting != null) {
 131             assertNotNull("Expected peer " + peerId, peerInfo);
 132             assertEquals("getVotingState for " + peerId, voting.booleanValue()
 133                     ? VotingState.VOTING : VotingState.NON_VOTING, peerInfo.getVotingState());
 134         } else {
 135             assertNull("Unexpected peer " + peerId, peerInfo);
 136         }
 137     }
 138 }