2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.cluster.raft;
10 import static org.junit.Assert.assertEquals;
11 import akka.actor.ActorRef;
12 import akka.persistence.SaveSnapshotSuccess;
13 import akka.testkit.TestActorRef;
14 import com.google.common.collect.ImmutableMap;
15 import com.google.common.collect.Lists;
16 import java.util.List;
17 import org.junit.Before;
18 import org.junit.Test;
19 import org.opendaylight.controller.cluster.raft.base.messages.ApplyJournalEntries;
20 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
21 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
22 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
27 * Recovery Integration Test for single node
29 public class RecoveryIntegrationSingleNodeTest extends AbstractRaftActorIntegrationTest {
31 static final Logger LOG = LoggerFactory.getLogger(RecoveryIntegrationSingleNodeTest.class);
35 leaderConfigParams = newLeaderConfigParams();
40 public void testJournalReplayAfterSnapshotWithSingleNode() throws Exception {
42 String persistenceId = factory.generateActorId("singleNode");
43 TestActorRef<AbstractRaftActorIntegrationTest.TestRaftActor> singleNodeActorRef = newTestRaftActor(persistenceId,
44 ImmutableMap.<String, String>builder().build(), leaderConfigParams);
46 waitUntilLeader(singleNodeActorRef);
48 ActorRef singleNodeCollectorActor = singleNodeActorRef.underlyingActor().collectorActor();
49 RaftActorContext singleNodeContext = singleNodeActorRef.underlyingActor().getRaftActorContext();
52 MockRaftActorContext.MockPayload payload0 = sendPayloadData(singleNodeActorRef, "zero");
53 MockRaftActorContext.MockPayload payload1 = sendPayloadData(singleNodeActorRef, "one");
54 MockRaftActorContext.MockPayload payload2 = sendPayloadData(singleNodeActorRef, "two");
56 MessageCollectorActor.expectMatching(singleNodeCollectorActor, ApplyJournalEntries.class, 3);
58 // this should trigger a snapshot
59 MockRaftActorContext.MockPayload payload3 = sendPayloadData(singleNodeActorRef, "three");
61 MessageCollectorActor.expectMatching(singleNodeCollectorActor, ApplyJournalEntries.class, 4);
64 MockRaftActorContext.MockPayload payload4 = sendPayloadData(singleNodeActorRef, "four");
65 MockRaftActorContext.MockPayload payload5 = sendPayloadData(singleNodeActorRef, "five");
68 // Wait for snapshot complete.
69 MessageCollectorActor.expectFirstMatching(singleNodeCollectorActor, SaveSnapshotSuccess.class);
71 MessageCollectorActor.expectMatching(singleNodeCollectorActor, ApplyJournalEntries.class, 6);
73 assertEquals("Last applied", 5, singleNodeContext.getLastApplied());
75 assertEquals("Incorrect State after snapshot success is received ",
76 Lists.newArrayList(payload0, payload1, payload2, payload3, payload4, payload5), singleNodeActorRef.underlyingActor().getState());
78 // we get 2 log entries (4 and 5 indexes) and 3 ApplyJournalEntries (for 3, 4, and 5 indexes)
79 assertEquals(5, InMemoryJournal.get(persistenceId).size());
81 List<Snapshot> persistedSnapshots = InMemorySnapshotStore.getSnapshots(persistenceId, Snapshot.class);
82 assertEquals(1, persistedSnapshots.size());
84 List<Object> snapshottedState = (List<Object>)MockRaftActor.toObject(persistedSnapshots.get(0).getState());
85 assertEquals("Incorrect Snapshot", Lists.newArrayList(payload0, payload1, payload2, payload3), snapshottedState);
87 //recovery logic starts
88 killActor(singleNodeActorRef);
90 singleNodeActorRef = newTestRaftActor(persistenceId,
91 ImmutableMap.<String, String>builder().build(), leaderConfigParams);
93 singleNodeActorRef.underlyingActor().waitForRecoveryComplete();
95 assertEquals("Incorrect State after Recovery ",
96 Lists.newArrayList(payload0, payload1, payload2, payload3, payload4, payload5), singleNodeActorRef.underlyingActor().getState());