opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/RaftActorSnapshotMessageSupportTest.java

   1 /*
   2  * Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.cluster.raft;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.mockito.Matchers.anyLong;
  12 import static org.mockito.Matchers.eq;
  13 import static org.mockito.Matchers.same;
  14 import static org.mockito.Mockito.doReturn;
  15 import static org.mockito.Mockito.verify;
  16 import akka.actor.ActorRef;
  17 import akka.persistence.SaveSnapshotFailure;
  18 import akka.persistence.SaveSnapshotSuccess;
  19 import akka.persistence.SnapshotMetadata;
  20 import java.util.Collections;
  21 import org.junit.Before;
  22 import org.junit.Test;
  23 import org.mockito.Mock;
  24 import org.mockito.MockitoAnnotations;
  25 import org.opendaylight.controller.cluster.DataPersistenceProvider;
  26 import org.opendaylight.controller.cluster.raft.base.messages.ApplySnapshot;
  27 import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
  28 import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 /**
  33  * Unit tests for RaftActorSnapshotMessageSupport.
  34  *
  35  * @author Thomas Pantelis
  36  */
  37 public class RaftActorSnapshotMessageSupportTest {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(RaftActorRecoverySupportTest.class);
  40
  41     @Mock
  42     private DataPersistenceProvider mockPersistence;
  43
  44     @Mock
  45     private RaftActorBehavior mockBehavior;
  46
  47     @Mock
  48     private RaftActorSnapshotCohort mockCohort;
  49
  50     @Mock
  51     private SnapshotManager mockSnapshotManager;
  52
  53     @Mock
  54     ActorRef mockRaftActorRef;
  55
  56     private RaftActorSnapshotMessageSupport support;
  57
  58     private RaftActorContext context;
  59     private final DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
  60
  61     @Before
  62     public void setup() {
  63         MockitoAnnotations.initMocks(this);
  64
  65         context = new RaftActorContextImpl(mockRaftActorRef, null, "test",
  66                 new ElectionTermImpl(mockPersistence, "test", LOG),
  67                 -1, -1, Collections.<String,String>emptyMap(), configParams, mockPersistence, LOG) {
  68             @Override
  69             public SnapshotManager getSnapshotManager() {
  70                 return mockSnapshotManager;
  71             }
  72         };
  73
  74         support = new RaftActorSnapshotMessageSupport(context, mockBehavior, mockCohort);
  75
  76         doReturn(true).when(mockPersistence).isRecoveryApplicable();
  77
  78         context.setReplicatedLog(ReplicatedLogImpl.newInstance(context, mockBehavior));
  79     }
  80
  81     private void sendMessageToSupport(Object message) {
  82         sendMessageToSupport(message, true);
  83     }
  84
  85     private void sendMessageToSupport(Object message, boolean expHandled) {
  86         boolean handled = support.handleSnapshotMessage(message);
  87         assertEquals("complete", expHandled, handled);
  88     }
  89
  90     @Test
  91     public void testOnApplySnapshot() {
  92
  93         long lastAppliedDuringSnapshotCapture = 1;
  94         long lastIndexDuringSnapshotCapture = 2;
  95         byte[] snapshotBytes = {1,2,3,4,5};
  96
  97         Snapshot snapshot = Snapshot.create(snapshotBytes, Collections.<ReplicatedLogEntry>emptyList(),
  98                 lastIndexDuringSnapshotCapture, 1, lastAppliedDuringSnapshotCapture, 1);
  99
 100         sendMessageToSupport(new ApplySnapshot(snapshot));
 101
 102         verify(mockSnapshotManager).apply(snapshot);
 103     }
 104
 105     @Test
 106     public void testOnCaptureSnapshotReply() {
 107
 108         byte[] snapshot = {1,2,3,4,5};
 109         sendMessageToSupport(new CaptureSnapshotReply(snapshot));
 110
 111         verify(mockSnapshotManager).persist(same(snapshot), same(mockBehavior), anyLong());
 112     }
 113
 114     @Test
 115     public void testOnSaveSnapshotSuccess() {
 116
 117         long sequenceNumber = 100;
 118         sendMessageToSupport(new SaveSnapshotSuccess(new SnapshotMetadata("foo", sequenceNumber, 1234L)));
 119
 120         verify(mockSnapshotManager).commit(eq(sequenceNumber), same(mockBehavior));
 121     }
 122
 123     @Test
 124     public void testOnSaveSnapshotFailure() {
 125
 126         sendMessageToSupport(new SaveSnapshotFailure(new SnapshotMetadata("foo", 100, 1234L),
 127                 new Throwable("mock")));
 128
 129         verify(mockSnapshotManager).rollback();
 130     }
 131
 132     @Test
 133     public void testOnCommitSnapshot() {
 134
 135         sendMessageToSupport(RaftActorSnapshotMessageSupport.COMMIT_SNAPSHOT);
 136
 137         verify(mockSnapshotManager).commit(eq(-1L), same(mockBehavior));
 138     }
 139
 140     @Test
 141     public void testUnhandledMessage() {
 142
 143         sendMessageToSupport("unhandled", false);
 144     }
 145 }