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;
12 import akka.actor.ActorRef;
13 import akka.persistence.SaveSnapshotSuccess;
14 import akka.testkit.TestActorRef;
15 import com.google.common.collect.ImmutableMap;
16 import com.google.common.collect.Lists;
17 import java.util.List;
18 import org.junit.Before;
19 import org.junit.Test;
20 import org.opendaylight.controller.cluster.raft.persisted.ApplyJournalEntries;
21 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
22 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
23 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
28 * Recovery Integration Test for single node.
30 public class RecoveryIntegrationSingleNodeTest extends AbstractRaftActorIntegrationTest {
32 static final Logger LOG = LoggerFactory.getLogger(RecoveryIntegrationSingleNodeTest.class);
36 leaderConfigParams = newLeaderConfigParams();
41 public void testJournalReplayAfterSnapshotWithSingleNode() throws Exception {
43 String persistenceId = factory.generateActorId("singleNode");
44 TestActorRef<AbstractRaftActorIntegrationTest.TestRaftActor> singleNodeActorRef =
45 newTestRaftActor(persistenceId, ImmutableMap.<String, String>builder().build(), leaderConfigParams);
47 waitUntilLeader(singleNodeActorRef);
49 ActorRef singleNodeCollectorActor = singleNodeActorRef.underlyingActor().collectorActor();
50 final RaftActorContext singleNodeContext = singleNodeActorRef.underlyingActor().getRaftActorContext();
53 final MockRaftActorContext.MockPayload payload0 = sendPayloadData(singleNodeActorRef, "zero");
54 final MockRaftActorContext.MockPayload payload1 = sendPayloadData(singleNodeActorRef, "one");
55 final MockRaftActorContext.MockPayload payload2 = sendPayloadData(singleNodeActorRef, "two");
57 MessageCollectorActor.expectMatching(singleNodeCollectorActor, ApplyJournalEntries.class, 3);
59 // this should trigger a snapshot
60 final MockRaftActorContext.MockPayload payload3 = sendPayloadData(singleNodeActorRef, "three");
62 MessageCollectorActor.expectMatching(singleNodeCollectorActor, ApplyJournalEntries.class, 4);
65 final MockRaftActorContext.MockPayload payload4 = sendPayloadData(singleNodeActorRef, "four");
66 final MockRaftActorContext.MockPayload payload5 = sendPayloadData(singleNodeActorRef, "five");
69 // Wait for snapshot complete.
70 MessageCollectorActor.expectFirstMatching(singleNodeCollectorActor, SaveSnapshotSuccess.class);
72 MessageCollectorActor.expectMatching(singleNodeCollectorActor, ApplyJournalEntries.class, 6);
74 assertEquals("Last applied", 5, singleNodeContext.getLastApplied());
76 assertEquals("Incorrect State after snapshot success is received ", Lists.newArrayList(payload0, payload1,
77 payload2, payload3, payload4, payload5), singleNodeActorRef.underlyingActor().getState());
79 // we get 2 log entries (4 and 5 indexes) and 3 ApplyJournalEntries (for 3, 4, and 5 indexes)
80 assertEquals(5, InMemoryJournal.get(persistenceId).size());
82 List<Snapshot> persistedSnapshots = InMemorySnapshotStore.getSnapshots(persistenceId, Snapshot.class);
83 assertEquals(1, persistedSnapshots.size());
85 @SuppressWarnings("unchecked")
86 List<Object> snapshottedState = (List<Object>)MockRaftActor.toObject(persistedSnapshots.get(0).getState());
87 assertEquals("Incorrect Snapshot", Lists.newArrayList(payload0, payload1, payload2, payload3),
90 //recovery logic starts
91 killActor(singleNodeActorRef);
93 singleNodeActorRef = newTestRaftActor(persistenceId,
94 ImmutableMap.<String, String>builder().build(), leaderConfigParams);
96 singleNodeActorRef.underlyingActor().waitForRecoveryComplete();
98 assertEquals("Incorrect State after Recovery ", Lists.newArrayList(payload0, payload1, payload2, payload3,
99 payload4, payload5), singleNodeActorRef.underlyingActor().getState());