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.ArgumentMatchers.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.util.concurrent.MoreExecutors;
  23 import java.util.HashMap;
  24 import java.util.List;
  25 import java.util.Map;
  26 import org.junit.After;
  27 import org.junit.Test;
  28 import org.opendaylight.controller.cluster.DataPersistenceProvider;
  29 import org.opendaylight.controller.cluster.NonPersistentDataProvider;
  30 import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
  31 import org.opendaylight.controller.cluster.raft.persisted.ServerInfo;
  32 import org.opendaylight.controller.cluster.raft.utils.DoNothingActor;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 /**
  37  * Unit tests for RaftActorContextImpl.
  38  *
  39  * @author Thomas Pantelis
  40  */
  41 public class RaftActorContextImplTest extends AbstractActorTest {
  42     private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
  43
  44     private final TestActorRef<DoNothingActor> actor = actorFactory.createTestActor(
  45             Props.create(DoNothingActor.class), actorFactory.generateActorId("actor"));
  46
  47     private static final Logger LOG = LoggerFactory.getLogger(RaftActorContextImplTest.class);
  48
  49     @After
  50     public void tearDown() {
  51         actorFactory.close();
  52     }
  53
  54     @Test
  55     public void testGetPeerAddress() {
  56         Map<String, String> peerMap = new HashMap<>();
  57         peerMap.put("peer1", "peerAddress1");
  58         peerMap.put("peer2", null);
  59         DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
  60         RaftActorContextImpl context = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
  61                 "test", new ElectionTermImpl(createProvider(), "test", LOG), -1, -1,
  62                 peerMap, configParams, createProvider(), applyState -> { }, LOG,  MoreExecutors.directExecutor());
  63
  64         assertEquals("getPeerAddress", "peerAddress1", context.getPeerAddress("peer1"));
  65         assertEquals("getPeerAddress", null, context.getPeerAddress("peer2"));
  66
  67         PeerAddressResolver mockResolver = mock(PeerAddressResolver.class);
  68         doReturn("peerAddress2").when(mockResolver).resolve("peer2");
  69         doReturn("peerAddress3").when(mockResolver).resolve("peer3");
  70         configParams.setPeerAddressResolver(mockResolver);
  71
  72         assertEquals("getPeerAddress", "peerAddress2", context.getPeerAddress("peer2"));
  73         assertEquals("getPeerAddress", "peerAddress3", context.getPeerAddress("peer3"));
  74
  75         reset(mockResolver);
  76         assertEquals("getPeerAddress", "peerAddress1", context.getPeerAddress("peer1"));
  77         assertEquals("getPeerAddress", "peerAddress2", context.getPeerAddress("peer2"));
  78         verify(mockResolver, never()).resolve(anyString());
  79     }
  80
  81     @Test
  82     public void testSetPeerAddress() {
  83         DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
  84         RaftActorContextImpl context = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
  85                 "test", new ElectionTermImpl(createProvider(), "test", LOG), -1, -1,
  86                 Map.of("peer1", "peerAddress1"), configParams,
  87                 createProvider(), applyState -> { }, LOG,  MoreExecutors.directExecutor());
  88
  89         context.setPeerAddress("peer1", "peerAddress1_1");
  90         assertEquals("getPeerAddress", "peerAddress1_1", context.getPeerAddress("peer1"));
  91
  92         context.setPeerAddress("peer2", "peerAddress2");
  93         assertEquals("getPeerAddress", null, context.getPeerAddress("peer2"));
  94     }
  95
  96     @Test
  97     public void testUpdatePeerIds() {
  98         RaftActorContextImpl context = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
  99                 "self", new ElectionTermImpl(createProvider(), "test", LOG), -1, -1,
 100                 Map.of("peer1", "peerAddress1"),
 101                 new DefaultConfigParamsImpl(), createProvider(), applyState -> { }, LOG,
 102                 MoreExecutors.directExecutor());
 103
 104         context.updatePeerIds(new ServerConfigurationPayload(List.of(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(List.of(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(List.of(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
 133                     ? VotingState.VOTING : VotingState.NON_VOTING, peerInfo.getVotingState());
 134         } else {
 135             assertNull("Unexpected peer " + peerId, peerInfo);
 136         }
 137     }
 138 }