opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/messages/AppendEntriesTest.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.messages;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertSame;
  12 import java.util.Arrays;
  13 import java.util.Collections;
  14 import java.util.Iterator;
  15 import org.apache.commons.lang.SerializationUtils;
  16 import org.junit.Assert;
  17 import org.junit.Test;
  18 import org.opendaylight.controller.cluster.raft.MockRaftActorContext.MockPayload;
  19 import org.opendaylight.controller.cluster.raft.RaftVersions;
  20 import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
  21 import org.opendaylight.controller.cluster.raft.ReplicatedLogImplEntry;
  22 import org.opendaylight.controller.protobuff.messages.cluster.raft.AppendEntriesMessages;
  23
  24 /**
  25  * Unit tests for AppendEntries.
  26  *
  27  * @author Thomas Pantelis
  28  */
  29 public class AppendEntriesTest {
  30
  31     @Test
  32     public void testSerialization() {
  33         ReplicatedLogEntry entry1 = new ReplicatedLogImplEntry(1, 2, new MockPayload("payload1"));
  34
  35         ReplicatedLogEntry entry2 = new ReplicatedLogImplEntry(3, 4, new MockPayload("payload2"));
  36
  37         AppendEntries expected = new AppendEntries(5L, "node1", 7L, 8L, Arrays.asList(entry1, entry2), 10L);
  38
  39         AppendEntries cloned = (AppendEntries) SerializationUtils.clone(expected);
  40
  41         verifyAppendEntries(expected, cloned);
  42     }
  43
  44     @Test
  45     public void testToAndFromSerializable() {
  46         AppendEntries entries = new AppendEntries(5L, "node1", 7L, 8L,
  47                 Collections.<ReplicatedLogEntry>emptyList(), 10L);
  48
  49         assertSame("toSerializable", entries, entries.toSerializable());
  50         assertSame("fromSerializable", entries,
  51                 org.opendaylight.controller.cluster.raft.SerializationUtils.fromSerializable(entries));
  52     }
  53
  54     @Test
  55     public void testToAndFromLegacySerializable() {
  56         ReplicatedLogEntry entry = new ReplicatedLogImplEntry(3, 4, new MockPayload("payload"));
  57         AppendEntries entries = new AppendEntries(5L, "node1", 7L, 8L, Arrays.asList(entry), 10L);
  58
  59         Object serializable = entries.toSerializable(RaftVersions.HELIUM_VERSION);
  60         Assert.assertTrue(serializable instanceof AppendEntriesMessages.AppendEntries);
  61
  62         AppendEntries entries2 = (AppendEntries)
  63                 org.opendaylight.controller.cluster.raft.SerializationUtils.fromSerializable(serializable);
  64
  65         verifyAppendEntries(entries, entries2);
  66     }
  67
  68     private void verifyAppendEntries(AppendEntries expected, AppendEntries actual) {
  69         assertEquals("getLeaderId", expected.getLeaderId(), actual.getLeaderId());
  70         assertEquals("getTerm", expected.getTerm(), actual.getTerm());
  71         assertEquals("getLeaderCommit", expected.getLeaderCommit(), actual.getLeaderCommit());
  72         assertEquals("getPrevLogIndex", expected.getPrevLogIndex(), actual.getPrevLogIndex());
  73         assertEquals("getPrevLogTerm", expected.getPrevLogTerm(), actual.getPrevLogTerm());
  74
  75         assertEquals("getEntries size", expected.getEntries().size(), actual.getEntries().size());
  76         Iterator<ReplicatedLogEntry> iter = expected.getEntries().iterator();
  77         for(ReplicatedLogEntry e: actual.getEntries()) {
  78             verifyReplicatedLogEntry(iter.next(), e);
  79         }
  80     }
  81
  82     private void verifyReplicatedLogEntry(ReplicatedLogEntry expected, ReplicatedLogEntry actual) {
  83         assertEquals("getIndex", expected.getIndex(), actual.getIndex());
  84         assertEquals("getTerm", expected.getTerm(), actual.getTerm());
  85         assertEquals("getData", expected.getData().toString(), actual.getData().toString());
  86     }
  87 }