+ @Test
+ public void testChangeLeaderToNonVoting() {
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(500, TimeUnit.MILLISECONDS));
+
+ final String follower1ActorId = actorFactory.generateActorId(FOLLOWER_ID);
+ final String follower1ActorPath = actorFactory.createTestActorPath(follower1ActorId);
+ final String follower2ActorId = actorFactory.generateActorId(FOLLOWER_ID2);
+ final String follower2ActorPath = actorFactory.createTestActorPath(follower2ActorId);
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.of(FOLLOWER_ID, follower1ActorPath,
+ FOLLOWER_ID2, follower2ActorPath), new MockRaftActorContext()).
+ withDispatcher(Dispatchers.DefaultDispatcherId()), actorFactory.generateActorId(LEADER_ID));
+ TestActorRef<MessageCollectorActor> leaderCollector = newLeaderCollectorActor(leaderActor.underlyingActor());
+
+ TestActorRef<CollectingMockRaftActor> follower1RaftActor = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID, ImmutableMap.of(LEADER_ID, leaderActor.path().toString(),
+ FOLLOWER_ID2, follower2ActorPath), configParams, NO_PERSISTENCE).
+ withDispatcher(Dispatchers.DefaultDispatcherId()), follower1ActorId);
+ TestActorRef<MessageCollectorActor> follower1Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ follower1RaftActor.underlyingActor().setCollectorActor(follower1Collector);
+
+ TestActorRef<CollectingMockRaftActor> follower2RaftActor = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID2, ImmutableMap.of(LEADER_ID, leaderActor.path().toString(),
+ FOLLOWER_ID, follower1ActorPath), configParams, NO_PERSISTENCE).
+ withDispatcher(Dispatchers.DefaultDispatcherId()), follower2ActorId);
+ TestActorRef<MessageCollectorActor> follower2Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ follower2RaftActor.underlyingActor().setCollectorActor(follower2Collector);
+
+ // Send ChangeServersVotingStatus message
+
+ leaderActor.tell(new ChangeServersVotingStatus(ImmutableMap.of(LEADER_ID, false)), testKit.getRef());
+ ServerChangeReply reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, reply.getStatus());
+
+ MessageCollectorActor.expectFirstMatching(leaderCollector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(leaderActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ nonVotingServer(LEADER_ID), votingServer(FOLLOWER_ID), votingServer(FOLLOWER_ID2));
+
+ MessageCollectorActor.expectFirstMatching(follower1Collector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(follower1RaftActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ nonVotingServer(LEADER_ID), votingServer(FOLLOWER_ID), votingServer(FOLLOWER_ID2));
+
+ MessageCollectorActor.expectFirstMatching(follower2Collector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(follower2RaftActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ nonVotingServer(LEADER_ID), votingServer(FOLLOWER_ID), votingServer(FOLLOWER_ID2));
+
+ verifyRaftState(RaftState.Leader, follower1RaftActor.underlyingActor(), follower2RaftActor.underlyingActor());
+ verifyRaftState(RaftState.Follower, leaderActor.underlyingActor());
+
+ MessageCollectorActor.expectMatching(leaderCollector, AppendEntries.class, 2);
+ }
+
+ private void verifyRaftState(RaftState expState, RaftActor... raftActors) {
+ Stopwatch sw = Stopwatch.createStarted();
+ while(sw.elapsed(TimeUnit.SECONDS) <= 5) {
+ for(RaftActor raftActor: raftActors) {
+ if(raftActor.getRaftState() == expState) {
+ return;
+ }
+ }
+ }
+
+ fail("None of the RaftActors have state " + expState);
+ }
+
+ private static ServerInfo votingServer(String id) {