/*
* Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
@Override
public void handleRecover(Object message) {
if(raftRecovery == null) {
- raftRecovery = new RaftActorRecoverySupport(delegatingPersistenceProvider, context, currentBehavior,
- getRaftActorRecoveryCohort());
+ raftRecovery = newRaftActorRecoverySupport();
}
boolean recoveryComplete = raftRecovery.handleRecoveryMessage(message);
}
}
+ protected RaftActorRecoverySupport newRaftActorRecoverySupport() {
+ return new RaftActorRecoverySupport(delegatingPersistenceProvider, context, currentBehavior,
+ getRaftActorRecoveryCohort());
+ }
+
protected void initializeBehavior(){
changeCurrentBehavior(new Follower(context));
}
import java.util.concurrent.TimeUnit;
import org.junit.After;
import org.opendaylight.controller.cluster.raft.MockRaftActorContext.MockPayload;
-import org.opendaylight.controller.cluster.raft.RaftActorTest.MockRaftActor;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyJournalEntries;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyState;
import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
}
protected void waitUntilLeader(ActorRef actorRef) {
- RaftActorTest.RaftActorTestKit.waitUntilLeader(actorRef);
+ RaftActorTestKit.waitUntilLeader(actorRef);
}
protected TestActorRef<TestRaftActor> newTestRaftActor(String id, Map<String, String> peerAddresses,
--- /dev/null
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.raft;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+import akka.actor.ActorRef;
+import akka.actor.Props;
+import akka.japi.Creator;
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.Uninterruptibles;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.cluster.DataPersistenceProvider;
+import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
+
+public class MockRaftActor extends RaftActor implements RaftActorRecoveryCohort, RaftActorSnapshotCohort {
+
+ final RaftActor actorDelegate;
+ final RaftActorRecoveryCohort recoveryCohortDelegate;
+ final RaftActorSnapshotCohort snapshotCohortDelegate;
+ private final CountDownLatch recoveryComplete = new CountDownLatch(1);
+ private final List<Object> state;
+ private ActorRef roleChangeNotifier;
+ private final CountDownLatch initializeBehaviorComplete = new CountDownLatch(1);
+ private RaftActorRecoverySupport raftActorRecoverySupport;
+
+ public static final class MockRaftActorCreator implements Creator<MockRaftActor> {
+ private static final long serialVersionUID = 1L;
+ private final Map<String, String> peerAddresses;
+ private final String id;
+ private final Optional<ConfigParams> config;
+ private final DataPersistenceProvider dataPersistenceProvider;
+ private final ActorRef roleChangeNotifier;
+
+ private MockRaftActorCreator(Map<String, String> peerAddresses, String id,
+ Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider,
+ ActorRef roleChangeNotifier) {
+ this.peerAddresses = peerAddresses;
+ this.id = id;
+ this.config = config;
+ this.dataPersistenceProvider = dataPersistenceProvider;
+ this.roleChangeNotifier = roleChangeNotifier;
+ }
+
+ @Override
+ public MockRaftActor create() throws Exception {
+ MockRaftActor mockRaftActor = new MockRaftActor(id, peerAddresses, config,
+ dataPersistenceProvider);
+ mockRaftActor.roleChangeNotifier = this.roleChangeNotifier;
+ return mockRaftActor;
+ }
+ }
+
+ public MockRaftActor(String id, Map<String, String> peerAddresses, Optional<ConfigParams> config,
+ DataPersistenceProvider dataPersistenceProvider) {
+ super(id, peerAddresses, config);
+ state = new ArrayList<>();
+ this.actorDelegate = mock(RaftActor.class);
+ this.recoveryCohortDelegate = mock(RaftActorRecoveryCohort.class);
+ this.snapshotCohortDelegate = mock(RaftActorSnapshotCohort.class);
+ if(dataPersistenceProvider == null){
+ setPersistence(true);
+ } else {
+ setPersistence(dataPersistenceProvider);
+ }
+ }
+
+ public void setRaftActorRecoverySupport(RaftActorRecoverySupport support) {
+ raftActorRecoverySupport = support;
+ }
+
+ @Override
+ public RaftActorRecoverySupport newRaftActorRecoverySupport() {
+ return raftActorRecoverySupport != null ? raftActorRecoverySupport : super.newRaftActorRecoverySupport();
+ }
+
+ public void waitForRecoveryComplete() {
+ try {
+ assertEquals("Recovery complete", true, recoveryComplete.await(5, TimeUnit.SECONDS));
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+
+ public void waitForInitializeBehaviorComplete() {
+ try {
+ assertEquals("Behavior initialized", true, initializeBehaviorComplete.await(5, TimeUnit.SECONDS));
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+
+
+ public void waitUntilLeader(){
+ for(int i = 0;i < 10; i++){
+ if(isLeader()){
+ break;
+ }
+ Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
+ }
+ }
+
+ public List<Object> getState() {
+ return state;
+ }
+
+ public static Props props(final String id, final Map<String, String> peerAddresses,
+ Optional<ConfigParams> config){
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null, null));
+ }
+
+ public static Props props(final String id, final Map<String, String> peerAddresses,
+ Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider){
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, dataPersistenceProvider, null));
+ }
+
+ public static Props props(final String id, final Map<String, String> peerAddresses,
+ Optional<ConfigParams> config, ActorRef roleChangeNotifier){
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null, roleChangeNotifier));
+ }
+
+ public static Props props(final String id, final Map<String, String> peerAddresses,
+ Optional<ConfigParams> config, ActorRef roleChangeNotifier,
+ DataPersistenceProvider dataPersistenceProvider){
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, dataPersistenceProvider, roleChangeNotifier));
+ }
+
+
+ @Override protected void applyState(ActorRef clientActor, String identifier, Object data) {
+ actorDelegate.applyState(clientActor, identifier, data);
+ LOG.info("{}: applyState called", persistenceId());
+ }
+
+ @Override
+ @Nonnull
+ protected RaftActorRecoveryCohort getRaftActorRecoveryCohort() {
+ return this;
+ }
+
+ @Override
+ protected RaftActorSnapshotCohort getRaftActorSnapshotCohort() {
+ return this;
+ }
+
+ @Override
+ public void startLogRecoveryBatch(int maxBatchSize) {
+ }
+
+ @Override
+ public void appendRecoveredLogEntry(Payload data) {
+ state.add(data);
+ }
+
+ @Override
+ public void applyCurrentLogRecoveryBatch() {
+ }
+
+ @Override
+ protected void onRecoveryComplete() {
+ actorDelegate.onRecoveryComplete();
+ recoveryComplete.countDown();
+ }
+
+ @Override
+ protected void initializeBehavior() {
+ super.initializeBehavior();
+ initializeBehaviorComplete.countDown();
+ }
+
+ @Override
+ public void applyRecoverySnapshot(byte[] bytes) {
+ recoveryCohortDelegate.applyRecoverySnapshot(bytes);
+ try {
+ Object data = toObject(bytes);
+ if (data instanceof List) {
+ state.addAll((List<?>) data);
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+ @Override
+ public void createSnapshot(ActorRef actorRef) {
+ LOG.info("{}: createSnapshot called", persistenceId());
+ snapshotCohortDelegate.createSnapshot(actorRef);
+ }
+
+ @Override
+ public void applySnapshot(byte [] snapshot) {
+ LOG.info("{}: applySnapshot called", persistenceId());
+ snapshotCohortDelegate.applySnapshot(snapshot);
+ }
+
+ @Override
+ protected void onStateChanged() {
+ actorDelegate.onStateChanged();
+ }
+
+ @Override
+ protected Optional<ActorRef> getRoleChangeNotifier() {
+ return Optional.fromNullable(roleChangeNotifier);
+ }
+
+ @Override public String persistenceId() {
+ return this.getId();
+ }
+
+ private Object toObject(byte[] bs) throws ClassNotFoundException, IOException {
+ Object obj = null;
+ ByteArrayInputStream bis = null;
+ ObjectInputStream ois = null;
+ try {
+ bis = new ByteArrayInputStream(bs);
+ ois = new ObjectInputStream(bis);
+ obj = ois.readObject();
+ } finally {
+ if (bis != null) {
+ bis.close();
+ }
+ if (ois != null) {
+ ois.close();
+ }
+ }
+ return obj;
+ }
+
+ public ReplicatedLog getReplicatedLog(){
+ return this.getRaftActorContext().getReplicatedLog();
+ }
+}
\ No newline at end of file
--- /dev/null
+/*
+ * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.raft;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import akka.persistence.RecoveryCompleted;
+import akka.persistence.SnapshotMetadata;
+import akka.persistence.SnapshotOffer;
+import java.util.Arrays;
+import java.util.Collections;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.InOrder;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+import org.opendaylight.controller.cluster.DataPersistenceProvider;
+import org.opendaylight.controller.cluster.raft.RaftActor.DeleteEntries;
+import org.opendaylight.controller.cluster.raft.RaftActor.UpdateElectionTerm;
+import org.opendaylight.controller.cluster.raft.base.messages.ApplyJournalEntries;
+import org.opendaylight.controller.cluster.raft.base.messages.ApplyLogEntries;
+import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Unit tests for RaftActorRecoverySupport.
+ *
+ * @author Thomas Pantelis
+ */
+public class RaftActorRecoverySupportTest {
+
+ private static final Logger LOG = LoggerFactory.getLogger(RaftActorRecoverySupportTest.class);
+
+ @Mock
+ private DataPersistenceProvider mockPersistence;
+
+ @Mock
+ private RaftActorBehavior mockBehavior;
+
+ @Mock
+ private RaftActorRecoveryCohort mockCohort;
+
+ private RaftActorRecoverySupport support;
+
+ private RaftActorContext context;
+ private final DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+
+ @Before
+ public void setup() {
+ MockitoAnnotations.initMocks(this);
+
+ context = new RaftActorContextImpl(null, null, "test", new ElectionTermImpl(mockPersistence, "test", LOG),
+ -1, -1, Collections.<String,String>emptyMap(), configParams, LOG);
+
+ support = new RaftActorRecoverySupport(mockPersistence, context , mockBehavior, mockCohort);
+
+ doReturn(true).when(mockPersistence).isRecoveryApplicable();
+
+ context.setReplicatedLog(ReplicatedLogImpl.newInstance(context, mockPersistence, mockBehavior));
+ }
+
+ private void sendMessageToSupport(Object message) {
+ sendMessageToSupport(message, false);
+ }
+
+ private void sendMessageToSupport(Object message, boolean expComplete) {
+ boolean complete = support.handleRecoveryMessage(message);
+ assertEquals("complete", expComplete, complete);
+ }
+
+ @Test
+ public void testOnReplicatedLogEntry() {
+ MockRaftActorContext.MockReplicatedLogEntry logEntry = new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 1, new MockRaftActorContext.MockPayload("1", 5));
+
+ sendMessageToSupport(logEntry);
+
+ assertEquals("Journal log size", 1, context.getReplicatedLog().size());
+ assertEquals("Journal data size", 5, context.getReplicatedLog().dataSize());
+ assertEquals("Last index", 1, context.getReplicatedLog().lastIndex());
+ assertEquals("Last applied", -1, context.getLastApplied());
+ assertEquals("Commit index", -1, context.getCommitIndex());
+ assertEquals("Snapshot term", -1, context.getReplicatedLog().getSnapshotTerm());
+ assertEquals("Snapshot index", -1, context.getReplicatedLog().getSnapshotIndex());
+ }
+
+ @Test
+ public void testOnApplyJournalEntries() {
+ configParams.setJournalRecoveryLogBatchSize(5);
+
+ ReplicatedLog replicatedLog = context.getReplicatedLog();
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 0, new MockRaftActorContext.MockPayload("0")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 1, new MockRaftActorContext.MockPayload("1")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 2, new MockRaftActorContext.MockPayload("2")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 3, new MockRaftActorContext.MockPayload("3")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 4, new MockRaftActorContext.MockPayload("4")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 5, new MockRaftActorContext.MockPayload("5")));
+
+ sendMessageToSupport(new ApplyJournalEntries(2));
+
+ assertEquals("Last applied", 2, context.getLastApplied());
+ assertEquals("Commit index", 2, context.getCommitIndex());
+
+ sendMessageToSupport(new ApplyJournalEntries(4));
+
+ assertEquals("Last applied", 4, context.getLastApplied());
+ assertEquals("Last applied", 4, context.getLastApplied());
+
+ sendMessageToSupport(new ApplyJournalEntries(5));
+
+ assertEquals("Last index", 5, context.getReplicatedLog().lastIndex());
+ assertEquals("Last applied", 5, context.getLastApplied());
+ assertEquals("Commit index", 5, context.getCommitIndex());
+ assertEquals("Snapshot term", -1, context.getReplicatedLog().getSnapshotTerm());
+ assertEquals("Snapshot index", -1, context.getReplicatedLog().getSnapshotIndex());
+
+ InOrder inOrder = Mockito.inOrder(mockCohort);
+ inOrder.verify(mockCohort).startLogRecoveryBatch(5);
+
+ for(int i = 0; i < replicatedLog.size() - 1; i++) {
+ inOrder.verify(mockCohort).appendRecoveredLogEntry(replicatedLog.get(i).getData());
+ }
+
+ inOrder.verify(mockCohort).applyCurrentLogRecoveryBatch();
+ inOrder.verify(mockCohort).startLogRecoveryBatch(5);
+ inOrder.verify(mockCohort).appendRecoveredLogEntry(replicatedLog.get(replicatedLog.size() - 1).getData());
+
+ inOrder.verifyNoMoreInteractions();
+ }
+
+ @Test
+ public void testOnApplyLogEntries() {
+ ReplicatedLog replicatedLog = context.getReplicatedLog();
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 0, new MockRaftActorContext.MockPayload("0")));
+
+ sendMessageToSupport(new ApplyLogEntries(0));
+
+ assertEquals("Last applied", 0, context.getLastApplied());
+ assertEquals("Commit index", 0, context.getCommitIndex());
+ }
+
+ @Test
+ public void testOnSnapshotOffer() {
+
+ ReplicatedLog replicatedLog = context.getReplicatedLog();
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 1, new MockRaftActorContext.MockPayload("1")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 2, new MockRaftActorContext.MockPayload("2")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 3, new MockRaftActorContext.MockPayload("3")));
+
+ byte[] snapshotBytes = {1,2,3,4,5};
+
+ ReplicatedLogEntry unAppliedEntry1 = new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 4, new MockRaftActorContext.MockPayload("4", 4));
+
+ ReplicatedLogEntry unAppliedEntry2 = new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 5, new MockRaftActorContext.MockPayload("5", 5));
+
+ int lastAppliedDuringSnapshotCapture = 3;
+ int lastIndexDuringSnapshotCapture = 5;
+
+ Snapshot snapshot = Snapshot.create(snapshotBytes, Arrays.asList(unAppliedEntry1, unAppliedEntry2),
+ lastIndexDuringSnapshotCapture, 1, lastAppliedDuringSnapshotCapture, 1);
+
+ SnapshotMetadata metadata = new SnapshotMetadata("test", 6, 12345);
+ SnapshotOffer snapshotOffer = new SnapshotOffer(metadata , snapshot);
+
+ sendMessageToSupport(snapshotOffer);
+
+ assertEquals("Journal log size", 2, context.getReplicatedLog().size());
+ assertEquals("Journal data size", 9, context.getReplicatedLog().dataSize());
+ assertEquals("Last index", lastIndexDuringSnapshotCapture, context.getReplicatedLog().lastIndex());
+ assertEquals("Last applied", lastAppliedDuringSnapshotCapture, context.getLastApplied());
+ assertEquals("Commit index", lastAppliedDuringSnapshotCapture, context.getCommitIndex());
+ assertEquals("Snapshot term", 1, context.getReplicatedLog().getSnapshotTerm());
+ assertEquals("Snapshot index", lastAppliedDuringSnapshotCapture, context.getReplicatedLog().getSnapshotIndex());
+
+ verify(mockCohort).applyRecoverySnapshot(snapshotBytes);
+ }
+
+ @Test
+ public void testOnRecoveryCompletedWithRemainingBatch() {
+ ReplicatedLog replicatedLog = context.getReplicatedLog();
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 0, new MockRaftActorContext.MockPayload("0")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 1, new MockRaftActorContext.MockPayload("1")));
+
+ sendMessageToSupport(new ApplyJournalEntries(1));
+
+ sendMessageToSupport(RecoveryCompleted.getInstance(), true);
+
+ assertEquals("Last applied", 1, context.getLastApplied());
+ assertEquals("Commit index", 1, context.getCommitIndex());
+
+ InOrder inOrder = Mockito.inOrder(mockCohort);
+ inOrder.verify(mockCohort).startLogRecoveryBatch(anyInt());
+
+ for(int i = 0; i < replicatedLog.size(); i++) {
+ inOrder.verify(mockCohort).appendRecoveredLogEntry(replicatedLog.get(i).getData());
+ }
+
+ inOrder.verify(mockCohort).applyCurrentLogRecoveryBatch();
+
+ inOrder.verifyNoMoreInteractions();
+ }
+
+ @Test
+ public void testOnRecoveryCompletedWithNoRemainingBatch() {
+ sendMessageToSupport(RecoveryCompleted.getInstance(), true);
+
+ verifyNoMoreInteractions(mockCohort);
+ }
+
+ @Test
+ public void testOnDeleteEntries() {
+ ReplicatedLog replicatedLog = context.getReplicatedLog();
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 0, new MockRaftActorContext.MockPayload("0")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 1, new MockRaftActorContext.MockPayload("1")));
+ replicatedLog.append(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 2, new MockRaftActorContext.MockPayload("2")));
+
+ sendMessageToSupport(new DeleteEntries(1));
+
+ assertEquals("Journal log size", 1, context.getReplicatedLog().size());
+ assertEquals("Last index", 0, context.getReplicatedLog().lastIndex());
+ }
+
+ @Test
+ public void testUpdateElectionTerm() {
+
+ sendMessageToSupport(new UpdateElectionTerm(5, "member2"));
+
+ assertEquals("Current term", 5, context.getTermInformation().getCurrentTerm());
+ assertEquals("Voted For", "member2", context.getTermInformation().getVotedFor());
+ }
+
+ @Test
+ public void testRecoveryWithPersistenceDisabled() {
+ doReturn(false).when(mockPersistence).isRecoveryApplicable();
+
+ Snapshot snapshot = Snapshot.create(new byte[]{1}, Collections.<ReplicatedLogEntry>emptyList(), 3, 1, 3, 1);
+ SnapshotOffer snapshotOffer = new SnapshotOffer(new SnapshotMetadata("test", 6, 12345), snapshot);
+
+ sendMessageToSupport(snapshotOffer);
+
+ sendMessageToSupport(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 4, new MockRaftActorContext.MockPayload("4")));
+ sendMessageToSupport(new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 5, new MockRaftActorContext.MockPayload("5")));
+
+ sendMessageToSupport(new ApplyJournalEntries(4));
+
+ sendMessageToSupport(new DeleteEntries(5));
+
+ assertEquals("Journal log size", 0, context.getReplicatedLog().size());
+ assertEquals("Last index", -1, context.getReplicatedLog().lastIndex());
+ assertEquals("Last applied", -1, context.getLastApplied());
+ assertEquals("Commit index", -1, context.getCommitIndex());
+ assertEquals("Snapshot term", -1, context.getReplicatedLog().getSnapshotTerm());
+ assertEquals("Snapshot index", -1, context.getReplicatedLog().getSnapshotIndex());
+
+ sendMessageToSupport(new UpdateElectionTerm(5, "member2"));
+
+ assertEquals("Current term", 0, context.getTermInformation().getCurrentTerm());
+ assertEquals("Voted For", null, context.getTermInformation().getVotedFor());
+
+ sendMessageToSupport(RecoveryCompleted.getInstance(), true);
+
+ verifyNoMoreInteractions(mockCohort);
+ }
+}
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyObject;
import static org.mockito.Matchers.eq;
+import static org.mockito.Matchers.same;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import akka.actor.ActorRef;
-import akka.actor.ActorSystem;
import akka.actor.PoisonPill;
import akka.actor.Props;
import akka.actor.Terminated;
-import akka.japi.Creator;
import akka.japi.Procedure;
-import akka.pattern.Patterns;
-import akka.persistence.RecoveryCompleted;
import akka.persistence.SaveSnapshotFailure;
import akka.persistence.SaveSnapshotSuccess;
import akka.persistence.SnapshotMetadata;
import akka.persistence.SnapshotSelectionCriteria;
import akka.testkit.JavaTestKit;
import akka.testkit.TestActorRef;
-import akka.util.Timeout;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.Lists;
import com.google.common.util.concurrent.Uninterruptibles;
import com.google.protobuf.ByteString;
-import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Map;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-import javax.annotation.Nonnull;
import org.junit.After;
-import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.opendaylight.controller.cluster.DataPersistenceProvider;
import org.opendaylight.controller.cluster.datastore.DataPersistenceProviderMonitor;
import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
import org.opendaylight.controller.cluster.notifications.RoleChanged;
+import org.opendaylight.controller.cluster.raft.RaftActor.DeleteEntries;
import org.opendaylight.controller.cluster.raft.RaftActor.UpdateElectionTerm;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyJournalEntries;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyLogEntries;
import org.opendaylight.controller.cluster.raft.behaviors.Follower;
import org.opendaylight.controller.cluster.raft.behaviors.Leader;
import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
-import org.opendaylight.controller.cluster.raft.client.messages.FindLeader;
-import org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply;
import org.opendaylight.controller.cluster.raft.messages.AppendEntries;
import org.opendaylight.controller.cluster.raft.messages.AppendEntriesReply;
import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
-import scala.concurrent.Await;
-import scala.concurrent.Future;
-import scala.concurrent.duration.Duration;
import scala.concurrent.duration.FiniteDuration;
public class RaftActorTest extends AbstractActorTest {
InMemorySnapshotStore.clear();
}
- public static class MockRaftActor extends RaftActor implements RaftActorRecoveryCohort, RaftActorSnapshotCohort {
-
- private final RaftActor actorDelegate;
- private final RaftActorRecoveryCohort recoveryCohortDelegate;
- private final RaftActorSnapshotCohort snapshotCohortDelegate;
- private final CountDownLatch recoveryComplete = new CountDownLatch(1);
- private final List<Object> state;
- private ActorRef roleChangeNotifier;
- private final CountDownLatch initializeBehaviorComplete = new CountDownLatch(1);
-
- public static final class MockRaftActorCreator implements Creator<MockRaftActor> {
- private static final long serialVersionUID = 1L;
- private final Map<String, String> peerAddresses;
- private final String id;
- private final Optional<ConfigParams> config;
- private final DataPersistenceProvider dataPersistenceProvider;
- private final ActorRef roleChangeNotifier;
-
- private MockRaftActorCreator(Map<String, String> peerAddresses, String id,
- Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider,
- ActorRef roleChangeNotifier) {
- this.peerAddresses = peerAddresses;
- this.id = id;
- this.config = config;
- this.dataPersistenceProvider = dataPersistenceProvider;
- this.roleChangeNotifier = roleChangeNotifier;
- }
-
- @Override
- public MockRaftActor create() throws Exception {
- MockRaftActor mockRaftActor = new MockRaftActor(id, peerAddresses, config,
- dataPersistenceProvider);
- mockRaftActor.roleChangeNotifier = this.roleChangeNotifier;
- return mockRaftActor;
- }
- }
-
- public MockRaftActor(String id, Map<String, String> peerAddresses, Optional<ConfigParams> config,
- DataPersistenceProvider dataPersistenceProvider) {
- super(id, peerAddresses, config);
- state = new ArrayList<>();
- this.actorDelegate = mock(RaftActor.class);
- this.recoveryCohortDelegate = mock(RaftActorRecoveryCohort.class);
- this.snapshotCohortDelegate = mock(RaftActorSnapshotCohort.class);
- if(dataPersistenceProvider == null){
- setPersistence(true);
- } else {
- setPersistence(dataPersistenceProvider);
- }
- }
-
- public void waitForRecoveryComplete() {
- try {
- assertEquals("Recovery complete", true, recoveryComplete.await(5, TimeUnit.SECONDS));
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- }
-
- public void waitForInitializeBehaviorComplete() {
- try {
- assertEquals("Behavior initialized", true, initializeBehaviorComplete.await(5, TimeUnit.SECONDS));
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- }
-
-
- public void waitUntilLeader(){
- for(int i = 0;i < 10; i++){
- if(isLeader()){
- break;
- }
- Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
- }
- }
-
- public List<Object> getState() {
- return state;
- }
-
- public static Props props(final String id, final Map<String, String> peerAddresses,
- Optional<ConfigParams> config){
- return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null, null));
- }
-
- public static Props props(final String id, final Map<String, String> peerAddresses,
- Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider){
- return Props.create(new MockRaftActorCreator(peerAddresses, id, config, dataPersistenceProvider, null));
- }
-
- public static Props props(final String id, final Map<String, String> peerAddresses,
- Optional<ConfigParams> config, ActorRef roleChangeNotifier){
- return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null, roleChangeNotifier));
- }
-
- public static Props props(final String id, final Map<String, String> peerAddresses,
- Optional<ConfigParams> config, ActorRef roleChangeNotifier,
- DataPersistenceProvider dataPersistenceProvider){
- return Props.create(new MockRaftActorCreator(peerAddresses, id, config, dataPersistenceProvider, roleChangeNotifier));
- }
-
-
- @Override protected void applyState(ActorRef clientActor, String identifier, Object data) {
- actorDelegate.applyState(clientActor, identifier, data);
- LOG.info("{}: applyState called", persistenceId());
- }
-
- @Override
- @Nonnull
- protected RaftActorRecoveryCohort getRaftActorRecoveryCohort() {
- return this;
- }
-
- @Override
- protected RaftActorSnapshotCohort getRaftActorSnapshotCohort() {
- return this;
- }
-
- @Override
- public void startLogRecoveryBatch(int maxBatchSize) {
- }
-
- @Override
- public void appendRecoveredLogEntry(Payload data) {
- state.add(data);
- }
-
- @Override
- public void applyCurrentLogRecoveryBatch() {
- }
-
- @Override
- protected void onRecoveryComplete() {
- actorDelegate.onRecoveryComplete();
- recoveryComplete.countDown();
- }
-
- @Override
- protected void initializeBehavior() {
- super.initializeBehavior();
- initializeBehaviorComplete.countDown();
- }
-
- @Override
- public void applyRecoverySnapshot(byte[] bytes) {
- recoveryCohortDelegate.applyRecoverySnapshot(bytes);
- try {
- Object data = toObject(bytes);
- if (data instanceof List) {
- state.addAll((List<?>) data);
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
- @Override
- public void createSnapshot(ActorRef actorRef) {
- LOG.info("{}: createSnapshot called", persistenceId());
- snapshotCohortDelegate.createSnapshot(actorRef);
- }
-
- @Override
- public void applySnapshot(byte [] snapshot) {
- LOG.info("{}: applySnapshot called", persistenceId());
- snapshotCohortDelegate.applySnapshot(snapshot);
- }
-
- @Override
- protected void onStateChanged() {
- actorDelegate.onStateChanged();
- }
-
- @Override
- protected Optional<ActorRef> getRoleChangeNotifier() {
- return Optional.fromNullable(roleChangeNotifier);
- }
-
- @Override public String persistenceId() {
- return this.getId();
- }
-
- private Object toObject(byte[] bs) throws ClassNotFoundException, IOException {
- Object obj = null;
- ByteArrayInputStream bis = null;
- ObjectInputStream ois = null;
- try {
- bis = new ByteArrayInputStream(bs);
- ois = new ObjectInputStream(bis);
- obj = ois.readObject();
- } finally {
- if (bis != null) {
- bis.close();
- }
- if (ois != null) {
- ois.close();
- }
- }
- return obj;
- }
-
- public ReplicatedLog getReplicatedLog(){
- return this.getRaftActorContext().getReplicatedLog();
- }
- }
-
-
- public static class RaftActorTestKit extends JavaTestKit {
- private final ActorRef raftActor;
-
- public RaftActorTestKit(ActorSystem actorSystem, String actorName) {
- super(actorSystem);
-
- raftActor = this.getSystem().actorOf(MockRaftActor.props(actorName,
- Collections.<String,String>emptyMap(), Optional.<ConfigParams>absent()), actorName);
-
- }
-
-
- public ActorRef getRaftActor() {
- return raftActor;
- }
-
- public boolean waitForLogMessage(final Class<?> logEventClass, String message){
- // Wait for a specific log message to show up
- return
- new JavaTestKit.EventFilter<Boolean>(logEventClass
- ) {
- @Override
- protected Boolean run() {
- return true;
- }
- }.from(raftActor.path().toString())
- .message(message)
- .occurrences(1).exec();
-
-
- }
-
- protected void waitUntilLeader(){
- waitUntilLeader(raftActor);
- }
-
- public static void waitUntilLeader(ActorRef actorRef) {
- FiniteDuration duration = Duration.create(100, TimeUnit.MILLISECONDS);
- for(int i = 0; i < 20 * 5; i++) {
- Future<Object> future = Patterns.ask(actorRef, new FindLeader(), new Timeout(duration));
- try {
- FindLeaderReply resp = (FindLeaderReply) Await.result(future, duration);
- if(resp.getLeaderActor() != null) {
- return;
- }
- } catch(TimeoutException e) {
- } catch(Exception e) {
- System.err.println("FindLeader threw ex");
- e.printStackTrace();
- }
-
-
- Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
- }
-
- Assert.fail("Leader not found for actorRef " + actorRef.path());
- }
-
- }
-
-
@Test
public void testConstruction() {
new RaftActorTestKit(getSystem(), "testConstruction").waitUntilLeader();
}
@Test
- public void testRaftActorRecovery() throws Exception {
+ public void testRaftActorRecoveryWithPersistenceEnabled() throws Exception {
new JavaTestKit(getSystem()) {{
String persistenceId = factory.generateActorId("follower-");
DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
+
// Set the heartbeat interval high to essentially disable election otherwise the test
// may fail if the actor is switched to Leader and the commitIndex is set to the last
// log entry.
config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
ActorRef followerActor = factory.createActor(MockRaftActor.props(persistenceId,
- Collections.<String, String>emptyMap(), Optional.<ConfigParams>of(config)), persistenceId);
+ ImmutableMap.<String, String>builder().put("member1", "address").build(),
+ Optional.<ConfigParams>of(config)), persistenceId);
watch(followerActor);
MockRaftActor.props(persistenceId, Collections.<String, String>emptyMap(),
Optional.<ConfigParams>of(config)));
- ref.underlyingActor().waitForRecoveryComplete();
+ MockRaftActor mockRaftActor = ref.underlyingActor();
- RaftActorContext context = ref.underlyingActor().getRaftActorContext();
+ mockRaftActor.waitForRecoveryComplete();
+
+ RaftActorContext context = mockRaftActor.getRaftActorContext();
assertEquals("Journal log size", snapshotUnappliedEntries.size() + entries.size(),
context.getReplicatedLog().size());
assertEquals("Journal data size", 10, context.getReplicatedLog().dataSize());
assertEquals("Last index", lastIndex, context.getReplicatedLog().lastIndex());
assertEquals("Last applied", lastAppliedToState, context.getLastApplied());
assertEquals("Commit index", lastAppliedToState, context.getCommitIndex());
- assertEquals("Recovered state size", 6, ref.underlyingActor().getState().size());
+ assertEquals("Recovered state size", 6, mockRaftActor.getState().size());
+
+ mockRaftActor.waitForInitializeBehaviorComplete();
+
+ assertEquals("getRaftState", RaftState.Follower, mockRaftActor.getRaftState());
}};
}
@Test
- public void testRaftActorRecoveryWithPreLithuimApplyLogEntries() throws Exception {
+ public void testRaftActorRecoveryWithPersistenceDisabled() throws Exception {
new JavaTestKit(getSystem()) {{
- String persistenceId = factory.generateActorId("leader-");
+ String persistenceId = factory.generateActorId("follower-");
DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
- config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
- // Setup the persisted journal with some entries
- ReplicatedLogEntry entry0 = new MockRaftActorContext.MockReplicatedLogEntry(1, 0,
- new MockRaftActorContext.MockPayload("zero"));
- ReplicatedLogEntry entry1 = new MockRaftActorContext.MockReplicatedLogEntry(1, 1,
- new MockRaftActorContext.MockPayload("oen"));
- ReplicatedLogEntry entry2 = new MockRaftActorContext.MockReplicatedLogEntry(1, 2,
- new MockRaftActorContext.MockPayload("two"));
+ config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
- long seqNr = 1;
- InMemoryJournal.addEntry(persistenceId, seqNr++, entry0);
- InMemoryJournal.addEntry(persistenceId, seqNr++, entry1);
- InMemoryJournal.addEntry(persistenceId, seqNr++, new ApplyLogEntries(1));
- InMemoryJournal.addEntry(persistenceId, seqNr++, entry2);
+ TestActorRef<MockRaftActor> ref = factory.createTestActor(MockRaftActor.props(persistenceId,
+ ImmutableMap.<String, String>builder().put("member1", "address").build(),
+ Optional.<ConfigParams>of(config), new NonPersistentDataProvider()), persistenceId);
- int lastAppliedToState = 1;
- int lastIndex = 2;
+ MockRaftActor mockRaftActor = ref.underlyingActor();
- //reinstate the actor
- TestActorRef<MockRaftActor> leaderActor = factory.createTestActor(
- MockRaftActor.props(persistenceId, Collections.<String, String>emptyMap(),
- Optional.<ConfigParams>of(config)));
+ mockRaftActor.waitForRecoveryComplete();
- leaderActor.underlyingActor().waitForRecoveryComplete();
+ mockRaftActor.waitForInitializeBehaviorComplete();
- RaftActorContext context = leaderActor.underlyingActor().getRaftActorContext();
- assertEquals("Journal log size", 3, context.getReplicatedLog().size());
- assertEquals("Last index", lastIndex, context.getReplicatedLog().lastIndex());
- assertEquals("Last applied", lastAppliedToState, context.getLastApplied());
- assertEquals("Commit index", lastAppliedToState, context.getCommitIndex());
+ assertEquals("getRaftState", RaftState.Follower, mockRaftActor.getRaftState());
}};
}
- /**
- * This test verifies that when recovery is applicable (typically when persistence is true) the RaftActor does
- * process recovery messages
- *
- * @throws Exception
- */
-
@Test
- public void testHandleRecoveryWhenDataPersistenceRecoveryApplicable() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- String persistenceId = factory.generateActorId("leader-");
-
- DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
-
- config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ public void testRaftActorForwardsToRaftActorRecoverySupport() {
+ String persistenceId = factory.generateActorId("leader-");
- TestActorRef<MockRaftActor> mockActorRef = factory.createTestActor(MockRaftActor.props(persistenceId,
- Collections.<String, String>emptyMap(), Optional.<ConfigParams>of(config)), persistenceId);
-
- MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
-
- // Wait for akka's recovery to complete so it doesn't interfere.
- mockRaftActor.waitForRecoveryComplete();
-
- ByteString snapshotBytes = fromObject(Arrays.asList(
- new MockRaftActorContext.MockPayload("A"),
- new MockRaftActorContext.MockPayload("B"),
- new MockRaftActorContext.MockPayload("C"),
- new MockRaftActorContext.MockPayload("D")));
+ DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
- Snapshot snapshot = Snapshot.create(snapshotBytes.toByteArray(),
- Lists.<ReplicatedLogEntry>newArrayList(), 3, 1, 3, 1);
+ config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
- mockRaftActor.onReceiveRecover(new SnapshotOffer(new SnapshotMetadata(persistenceId, 100, 100), snapshot));
+ TestActorRef<MockRaftActor> mockActorRef = factory.createTestActor(MockRaftActor.props(persistenceId,
+ Collections.<String, String>emptyMap(), Optional.<ConfigParams>of(config)), persistenceId);
- verify(mockRaftActor.recoveryCohortDelegate).applyRecoverySnapshot(eq(snapshotBytes.toByteArray()));
+ MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
- mockRaftActor.onReceiveRecover(new ReplicatedLogImplEntry(0, 1, new MockRaftActorContext.MockPayload("A")));
+ // Wait for akka's recovery to complete so it doesn't interfere.
+ mockRaftActor.waitForRecoveryComplete();
- ReplicatedLog replicatedLog = mockRaftActor.getReplicatedLog();
+ RaftActorRecoverySupport mockSupport = mock(RaftActorRecoverySupport.class);
+ mockRaftActor.setRaftActorRecoverySupport(mockSupport );
- assertEquals("add replicated log entry", 1, replicatedLog.size());
+ Snapshot snapshot = Snapshot.create(new byte[]{1}, Collections.<ReplicatedLogEntry>emptyList(), 3, 1, 3, 1);
+ SnapshotOffer snapshotOffer = new SnapshotOffer(new SnapshotMetadata("test", 6, 12345), snapshot);
+ mockRaftActor.handleRecover(snapshotOffer);
- mockRaftActor.onReceiveRecover(new ReplicatedLogImplEntry(1, 1, new MockRaftActorContext.MockPayload("A")));
+ MockRaftActorContext.MockReplicatedLogEntry logEntry = new MockRaftActorContext.MockReplicatedLogEntry(1,
+ 1, new MockRaftActorContext.MockPayload("1", 5));
+ mockRaftActor.handleRecover(logEntry);
- assertEquals("add replicated log entry", 2, replicatedLog.size());
+ ApplyJournalEntries applyJournalEntries = new ApplyJournalEntries(2);
+ mockRaftActor.handleRecover(applyJournalEntries);
- mockRaftActor.onReceiveRecover(new ApplyJournalEntries(1));
+ ApplyLogEntries applyLogEntries = new ApplyLogEntries(0);
+ mockRaftActor.handleRecover(applyLogEntries);
- assertEquals("commit index 1", 1, mockRaftActor.getRaftActorContext().getCommitIndex());
+ DeleteEntries deleteEntries = new DeleteEntries(1);
+ mockRaftActor.handleRecover(deleteEntries);
- // The snapshot had 4 items + we added 2 more items during the test
- // We start removing from 5 and we should get 1 item in the replicated log
- mockRaftActor.onReceiveRecover(new RaftActor.DeleteEntries(5));
+ UpdateElectionTerm updateElectionTerm = new UpdateElectionTerm(5, "member2");
+ mockRaftActor.handleRecover(updateElectionTerm);
- assertEquals("remove log entries", 1, replicatedLog.size());
-
- mockRaftActor.onReceiveRecover(new UpdateElectionTerm(10, "foobar"));
-
- assertEquals("election term", 10, mockRaftActor.getRaftActorContext().getTermInformation().getCurrentTerm());
- assertEquals("voted for", "foobar", mockRaftActor.getRaftActorContext().getTermInformation().getVotedFor());
-
- mockRaftActor.onReceiveRecover(mock(RecoveryCompleted.class));
-
- }};
+ verify(mockSupport).handleRecoveryMessage(same(snapshotOffer));
+ verify(mockSupport).handleRecoveryMessage(same(logEntry));
+ verify(mockSupport).handleRecoveryMessage(same(applyJournalEntries));
+ verify(mockSupport).handleRecoveryMessage(same(applyLogEntries));
+ verify(mockSupport).handleRecoveryMessage(same(deleteEntries));
+ verify(mockSupport).handleRecoveryMessage(same(updateElectionTerm));
}
- /**
- * This test verifies that when recovery is not applicable (typically when persistence is false) the RaftActor does
- * not process recovery messages
- *
- * @throws Exception
- */
- @Test
- public void testHandleRecoveryWhenDataPersistenceRecoveryNotApplicable() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- String persistenceId = factory.generateActorId("leader-");
-
- DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
-
- config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
-
- TestActorRef<MockRaftActor> mockActorRef = factory.createTestActor(MockRaftActor.props(persistenceId,
- Collections.<String, String>emptyMap(), Optional.<ConfigParams>of(config), new DataPersistenceProviderMonitor()), persistenceId);
-
- MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
-
- // Wait for akka's recovery to complete so it doesn't interfere.
- mockRaftActor.waitForRecoveryComplete();
-
- ByteString snapshotBytes = fromObject(Arrays.asList(
- new MockRaftActorContext.MockPayload("A"),
- new MockRaftActorContext.MockPayload("B"),
- new MockRaftActorContext.MockPayload("C"),
- new MockRaftActorContext.MockPayload("D")));
-
- Snapshot snapshot = Snapshot.create(snapshotBytes.toByteArray(),
- Lists.<ReplicatedLogEntry>newArrayList(), 3, 1, 3, 1);
-
- mockRaftActor.onReceiveRecover(new SnapshotOffer(new SnapshotMetadata(persistenceId, 100, 100), snapshot));
-
- verify(mockRaftActor.recoveryCohortDelegate, times(0)).applyRecoverySnapshot(any(byte[].class));
-
- mockRaftActor.onReceiveRecover(new ReplicatedLogImplEntry(0, 1, new MockRaftActorContext.MockPayload("A")));
-
- ReplicatedLog replicatedLog = mockRaftActor.getReplicatedLog();
-
- assertEquals("add replicated log entry", 0, replicatedLog.size());
-
- mockRaftActor.onReceiveRecover(new ReplicatedLogImplEntry(1, 1, new MockRaftActorContext.MockPayload("A")));
-
- assertEquals("add replicated log entry", 0, replicatedLog.size());
-
- mockRaftActor.onReceiveRecover(new ApplyJournalEntries(1));
-
- assertEquals("commit index -1", -1, mockRaftActor.getRaftActorContext().getCommitIndex());
-
- mockRaftActor.onReceiveRecover(new RaftActor.DeleteEntries(2));
-
- assertEquals("remove log entries", 0, replicatedLog.size());
-
- mockRaftActor.onReceiveRecover(new UpdateElectionTerm(10, "foobar"));
-
- assertNotEquals("election term", 10, mockRaftActor.getRaftActorContext().getTermInformation().getCurrentTerm());
- assertNotEquals("voted for", "foobar", mockRaftActor.getRaftActorContext().getTermInformation().getVotedFor());
-
- mockRaftActor.onReceiveRecover(mock(RecoveryCompleted.class));
- }};
- }
-
-
@Test
public void testUpdatingElectionTermCallsDataPersistence() throws Exception {
new JavaTestKit(getSystem()) {
--- /dev/null
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.raft;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.pattern.Patterns;
+import akka.testkit.JavaTestKit;
+import akka.util.Timeout;
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.Uninterruptibles;
+import java.util.Collections;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import org.junit.Assert;
+import org.opendaylight.controller.cluster.raft.client.messages.FindLeader;
+import org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply;
+import scala.concurrent.Await;
+import scala.concurrent.Future;
+import scala.concurrent.duration.Duration;
+import scala.concurrent.duration.FiniteDuration;
+
+public class RaftActorTestKit extends JavaTestKit {
+ private final ActorRef raftActor;
+
+ public RaftActorTestKit(ActorSystem actorSystem, String actorName) {
+ super(actorSystem);
+
+ raftActor = this.getSystem().actorOf(MockRaftActor.props(actorName,
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>absent()), actorName);
+
+ }
+
+
+ public ActorRef getRaftActor() {
+ return raftActor;
+ }
+
+ public boolean waitForLogMessage(final Class<?> logEventClass, String message){
+ // Wait for a specific log message to show up
+ return
+ new JavaTestKit.EventFilter<Boolean>(logEventClass
+ ) {
+ @Override
+ protected Boolean run() {
+ return true;
+ }
+ }.from(raftActor.path().toString())
+ .message(message)
+ .occurrences(1).exec();
+
+
+ }
+
+ protected void waitUntilLeader(){
+ waitUntilLeader(raftActor);
+ }
+
+ public static void waitUntilLeader(ActorRef actorRef) {
+ FiniteDuration duration = Duration.create(100, TimeUnit.MILLISECONDS);
+ for(int i = 0; i < 20 * 5; i++) {
+ Future<Object> future = Patterns.ask(actorRef, new FindLeader(), new Timeout(duration));
+ try {
+ FindLeaderReply resp = (FindLeaderReply) Await.result(future, duration);
+ if(resp.getLeaderActor() != null) {
+ return;
+ }
+ } catch(TimeoutException e) {
+ } catch(Exception e) {
+ System.err.println("FindLeader threw ex");
+ e.printStackTrace();
+ }
+
+
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ }
+
+ Assert.fail("Leader not found for actorRef " + actorRef.path());
+ }
+
+}
\ No newline at end of file
Code Review / controller.git / commitdiff