import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import org.junit.After;
-import org.junit.Assert;
import org.junit.Test;
import org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl;
import org.opendaylight.controller.cluster.raft.FollowerLogInformation;
import org.opendaylight.controller.cluster.raft.policy.RaftPolicy;
import org.opendaylight.controller.cluster.raft.utils.ForwardMessageToBehaviorActor;
import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
+import org.opendaylight.yangtools.concepts.Identifier;
import scala.concurrent.duration.FiniteDuration;
-public class LeaderTest extends AbstractLeaderTest {
+public class LeaderTest extends AbstractLeaderTest<Leader> {
static final String FOLLOWER_ID = "follower";
public static final String LEADER_ID = "leader";
leader = new Leader(createActorContext());
- // handle message should return the Leader state when it receives an
- // unknown message
- RaftActorBehavior behavior = leader.handleMessage(followerActor, "foo");
- Assert.assertTrue(behavior instanceof Leader);
+ // handle message should null when it receives an unknown message
+ assertNull(leader.handleMessage(followerActor, "foo"));
}
@Test
actorContext.getTermInformation().update(term, "");
leader = new Leader(actorContext);
+ actorContext.setCurrentBehavior(leader);
// Leader should send an immediate heartbeat with no entries as follower is inactive.
long lastIndex = actorContext.getReplicatedLog().lastIndex();
actorContext.getTermInformation().update(newTerm, "");
leader = new Leader(actorContext);
+ actorContext.setCurrentBehavior(leader);
// Leader will send an immediate heartbeat - ignore it.
MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
actorContext.getReplicatedLog().append(newEntry);
- RaftActorBehavior raftBehavior = leader.handleMessage(leaderActor,
- new Replicate(leaderActor, "state-id", newEntry));
+ final Identifier id = new MockIdentifier("state-id");
+ RaftActorBehavior raftBehavior = leader.handleMessage(leaderActor, new Replicate(leaderActor, id, newEntry));
// State should not change
assertTrue(raftBehavior instanceof Leader);
ApplyState last = applyStateList.get((int) newLogIndex - 1);
assertEquals("getData", newEntry.getData(), last.getReplicatedLogEntry().getData());
- assertEquals("getIdentifier", "state-id", last.getIdentifier());
+ assertEquals("getIdentifier", id, last.getIdentifier());
}
@Test
// this should invoke a sendinstallsnapshot as followersLastIndex < snapshotIndex
RaftActorBehavior raftBehavior = leader.handleMessage(
- leaderActor, new Replicate(null, "state-id", entry));
+ leaderActor, new Replicate(null, new MockIdentifier("state-id"), entry));
assertTrue(raftBehavior instanceof Leader);
//update follower timestamp
leader.markFollowerActive(FOLLOWER_ID);
- leader.handleMessage(leaderActor, new Replicate(null, "state-id", entry));
+ leader.handleMessage(leaderActor, new Replicate(null, new MockIdentifier("state-id"), entry));
assertEquals("isCapturing", true, actorContext.getSnapshotManager().isCapturing());
assertEquals(2, cs.getLastTerm());
// if an initiate is started again when first is in progress, it shouldnt initiate Capture
- leader.handleMessage(leaderActor, new Replicate(null, "state-id", entry));
+ leader.handleMessage(leaderActor, new Replicate(null, new MockIdentifier("state-id"), entry));
- Assert.assertSame("CaptureSnapshot instance", cs, actorContext.getSnapshotManager().getCaptureSnapshot());
+ assertSame("CaptureSnapshot instance", cs, actorContext.getSnapshotManager().getCaptureSnapshot());
}
@Test
assertEquals(4, cs.getLastIndex());
assertEquals(2, cs.getLastTerm());
- // if an initiate is started again when first is in progress, it shouldnt initiate Capture
- leader.handleMessage(leaderActor, new Replicate(null, "state-id", entry));
+ // if an initiate is started again when first is in progress, it should not initiate Capture
+ leader.handleMessage(leaderActor, new Replicate(null, new MockIdentifier("state-id"), entry));
- Assert.assertSame("CaptureSnapshot instance", cs, actorContext.getSnapshotManager().getCaptureSnapshot());
+ assertSame("CaptureSnapshot instance", cs, actorContext.getSnapshotManager().getCaptureSnapshot());
}
actorContext.setCommitIndex(commitIndex);
leader = new Leader(actorContext);
+ actorContext.setCurrentBehavior(leader);
leader.getFollower(FOLLOWER_ID).setMatchIndex(-1);
leader.getFollower(FOLLOWER_ID).setNextIndex(0);
actorContext.setCommitIndex(commitIndex);
leader = new Leader(actorContext);
+ actorContext.setCurrentBehavior(leader);
leader.getFollower(FOLLOWER_ID).setMatchIndex(-1);
leader.getFollower(FOLLOWER_ID).setNextIndex(0);
installSnapshot = MessageCollectorActor.getFirstMatching(followerActor, InstallSnapshot.class);
- Assert.assertNull(installSnapshot);
+ assertNull(installSnapshot);
}
assertEquals("totalChunks not matching", chunkIndex, fts.getTotalChunks());
}
- @Override protected RaftActorBehavior createBehavior(
- RaftActorContext actorContext) {
+ @Override
+ protected Leader createBehavior(final RaftActorContext actorContext) {
return new Leader(actorContext);
}
Follower follower = new Follower(followerActorContext);
followerActor.underlyingActor().setBehavior(follower);
+ followerActorContext.setCurrentBehavior(follower);
Map<String, String> peerAddresses = new HashMap<>();
peerAddresses.put(FOLLOWER_ID, followerActor.path().toString());
followerActorContext.setCommitIndex(1);
leader = new Leader(leaderActorContext);
+ leaderActorContext.setCurrentBehavior(leader);
AppendEntries appendEntries = MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
Follower follower = new Follower(followerActorContext);
followerActor.underlyingActor().setBehavior(follower);
+ followerActorContext.setCurrentBehavior(follower);
Map<String, String> leaderPeerAddresses = new HashMap<>();
leaderPeerAddresses.put(FOLLOWER_ID, followerActor.path().toString());
Follower follower = new Follower(followerActorContext);
followerActor.underlyingActor().setBehavior(follower);
+ followerActorContext.setCurrentBehavior(follower);
leader = new Leader(leaderActorContext);
assertEquals("getPrevLogIndex", 0, appendEntries.getPrevLogIndex());
leaderActor.underlyingActor().setBehavior(leader);
+ leaderActorContext.setCurrentBehavior(leader);
leader.handleMessage(followerActor, appendEntriesReply);
Follower follower = new Follower(followerActorContext);
followerActor.underlyingActor().setBehavior(follower);
+ followerActorContext.setCurrentBehavior(follower);
leader = new Leader(leaderActorContext);
assertEquals("getPrevLogIndex", 0, appendEntries.getPrevLogIndex());
leaderActor.underlyingActor().setBehavior(leader);
+ leaderActorContext.setCurrentBehavior(leader);
leader.handleMessage(followerActor, appendEntriesReply);
Follower follower = new Follower(followerActorContext);
followerActor.underlyingActor().setBehavior(follower);
+ followerActorContext.setCurrentBehavior(follower);
leader = new Leader(leaderActorContext);
assertEquals("getPrevLogIndex", 2, appendEntries.getPrevLogIndex());
leaderActor.underlyingActor().setBehavior(leader);
+ leaderActorContext.setCurrentBehavior(leader);
leader.handleMessage(followerActor, appendEntriesReply);
leader = new Leader(leaderActorContext);
RaftActorBehavior behavior = leader.handleMessage(leaderActor, Leader.ISOLATED_LEADER_CHECK);
- Assert.assertTrue(behavior instanceof Leader);
+ assertTrue(behavior instanceof Leader);
+ }
+
+ @Test
+ public void testIsolatedLeaderCheckNoVotingFollowers() {
+ logStart("testIsolatedLeaderCheckNoVotingFollowers");
+
+ MockRaftActorContext followerActorContext = createFollowerActorContextWithLeader();
+ Follower follower = new Follower(followerActorContext);
+ followerActor.underlyingActor().setBehavior(follower);
+
+ MockRaftActorContext leaderActorContext = createActorContextWithFollower();
+ ((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setHeartBeatInterval(
+ new FiniteDuration(1000, TimeUnit.SECONDS));
+ leaderActorContext.getPeerInfo(FOLLOWER_ID).setVotingState(VotingState.NON_VOTING);
+
+ leader = new Leader(leaderActorContext);
+ leader.getFollower(FOLLOWER_ID).markFollowerActive();
+ RaftActorBehavior behavior = leader.handleMessage(leaderActor, Leader.ISOLATED_LEADER_CHECK);
+ assertTrue("Expected Leader", behavior instanceof Leader);
}
private RaftActorBehavior setupIsolatedLeaderCheckTestWithTwoFollowers(RaftPolicy raftPolicy){
leader.markFollowerActive("follower-1");
leader.markFollowerActive("follower-2");
RaftActorBehavior behavior = leader.handleMessage(leaderActor, Leader.ISOLATED_LEADER_CHECK);
- Assert.assertTrue("Behavior not instance of Leader when all followers are active",
- behavior instanceof Leader);
+ assertTrue("Behavior not instance of Leader when all followers are active", behavior instanceof Leader);
// kill 1 follower and verify if that got killed
final JavaTestKit probe = new JavaTestKit(getSystem());
leader.markFollowerInActive("follower-1");
leader.markFollowerActive("follower-2");
behavior = leader.handleMessage(leaderActor, Leader.ISOLATED_LEADER_CHECK);
- Assert.assertTrue("Behavior not instance of Leader when majority of followers are active",
- behavior instanceof Leader);
+ assertTrue("Behavior not instance of Leader when majority of followers are active", behavior instanceof Leader);
// kill 2nd follower and leader should change to Isolated leader
followerActor2.tell(PoisonPill.getInstance(), null);
RaftActorBehavior behavior = setupIsolatedLeaderCheckTestWithTwoFollowers(DefaultRaftPolicy.INSTANCE);
- Assert.assertTrue("Behavior not instance of IsolatedLeader when majority followers are inactive",
+ assertTrue("Behavior not instance of IsolatedLeader when majority followers are inactive",
behavior instanceof IsolatedLeader);
}
RaftActorBehavior behavior = setupIsolatedLeaderCheckTestWithTwoFollowers(createRaftPolicy(false, true));
- Assert.assertTrue("Behavior should not switch to IsolatedLeader because elections are disabled",
+ assertTrue("Behavior should not switch to IsolatedLeader because elections are disabled",
behavior instanceof Leader);
}
leaderActorContext.addToPeers(nonVotingFollowerId, nonVotingFollowerActor.path().toString(), VotingState.NON_VOTING);
leader = new Leader(leaderActorContext);
+ leaderActorContext.setCurrentBehavior(leader);
// Ignore initial heartbeats
MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
leaderActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().build());
leader = new Leader(leaderActorContext);
+ leaderActorContext.setCurrentBehavior(leader);
// Initial heartbeat
MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
leaderActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().build());
leader = new Leader(leaderActorContext);
+ leaderActorContext.setCurrentBehavior(leader);
// Initial heartbeat
MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
new FiniteDuration(200, TimeUnit.MILLISECONDS));
leader = new Leader(leaderActorContext);
+ leaderActorContext.setCurrentBehavior(leader);
// Initial heartbeat
MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
leaderActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().build());
leader = new Leader(leaderActorContext);
+ leaderActorContext.setCurrentBehavior(leader);
// Initial heartbeat
MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
}
@Override
- protected void assertStateChangesToFollowerWhenRaftRPCHasNewerTerm(RaftActorContext actorContext,
+ protected void assertStateChangesToFollowerWhenRaftRPCHasNewerTerm(MockRaftActorContext actorContext,
ActorRef actorRef, RaftRPC rpc) throws Exception {
super.assertStateChangesToFollowerWhenRaftRPCHasNewerTerm(actorContext, actorRef, rpc);
assertEquals("New votedFor", null, actorContext.getTermInformation().getVotedFor());