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 java.util.Arrays;
  11 import java.util.Collections;
  12 import java.util.Iterator;
  13 import org.apache.commons.lang.SerializationUtils;
  14 import org.junit.Assert;
  15 import org.junit.Test;
  16 import org.opendaylight.controller.cluster.raft.MockRaftActorContext.MockPayload;
  17 import org.opendaylight.controller.cluster.raft.RaftVersions;
  18 import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
  19 import org.opendaylight.controller.cluster.raft.ReplicatedLogImplEntry;
  20 import org.opendaylight.controller.protobuff.messages.cluster.raft.AppendEntriesMessages;
  21
  22 import static org.junit.Assert.assertEquals;
  23 import static org.junit.Assert.assertSame;
  24
  25 /**
  26  * Unit tests for AppendEntries.
  27  *
  28  * @author Thomas Pantelis
  29  */
  30 public class AppendEntriesTest {
  31
  32     @Test
  33     public void testSerialization() {
  34         ReplicatedLogEntry entry1 = new ReplicatedLogImplEntry(1, 2, new MockPayload("payload1"));
  35
  36         ReplicatedLogEntry entry2 = new ReplicatedLogImplEntry(3, 4, new MockPayload("payload2"));
  37
  38         AppendEntries expected = new AppendEntries(5L, "node1", 7L, 8L, Arrays.asList(entry1, entry2), 10L, -1);
  39
  40         AppendEntries cloned = (AppendEntries) SerializationUtils.clone(expected);
  41
  42         verifyAppendEntries(expected, cloned);
  43     }
  44
  45     @Test
  46     public void testToAndFromSerializable() {
  47         AppendEntries entries = new AppendEntries(5L, "node1", 7L, 8L,
  48                 Collections.<ReplicatedLogEntry>emptyList(), 10L, -1);
  49
  50         assertSame("toSerializable", entries, entries.toSerializable());
  51         assertSame("fromSerializable", entries,
  52                 org.opendaylight.controller.cluster.raft.SerializationUtils.fromSerializable(entries));
  53     }
  54
  55     @Test
  56     public void testToAndFromLegacySerializable() {
  57         ReplicatedLogEntry entry = new ReplicatedLogImplEntry(3, 4, new MockPayload("payload"));
  58         AppendEntries entries = new AppendEntries(5L, "node1", 7L, 8L, Arrays.asList(entry), 10L, -1);
  59
  60         Object serializable = entries.toSerializable(RaftVersions.HELIUM_VERSION);
  61         Assert.assertTrue(serializable instanceof AppendEntriesMessages.AppendEntries);
  62
  63         AppendEntries entries2 = (AppendEntries)
  64                 org.opendaylight.controller.cluster.raft.SerializationUtils.fromSerializable(serializable);
  65
  66         verifyAppendEntries(entries, entries2);
  67     }
  68
  69     private void verifyAppendEntries(AppendEntries expected, AppendEntries actual) {
  70         assertEquals("getLeaderId", expected.getLeaderId(), actual.getLeaderId());
  71         assertEquals("getTerm", expected.getTerm(), actual.getTerm());
  72         assertEquals("getLeaderCommit", expected.getLeaderCommit(), actual.getLeaderCommit());
  73         assertEquals("getPrevLogIndex", expected.getPrevLogIndex(), actual.getPrevLogIndex());
  74         assertEquals("getPrevLogTerm", expected.getPrevLogTerm(), actual.getPrevLogTerm());
  75         assertEquals("getReplicatedToAllIndex", expected.getReplicatedToAllIndex(), actual.getReplicatedToAllIndex());
  76
  77         assertEquals("getEntries size", expected.getEntries().size(), actual.getEntries().size());
  78         Iterator<ReplicatedLogEntry> iter = expected.getEntries().iterator();
  79         for(ReplicatedLogEntry e: actual.getEntries()) {
  80             verifyReplicatedLogEntry(iter.next(), e);
  81         }
  82     }
  83
  84     private void verifyReplicatedLogEntry(ReplicatedLogEntry expected, ReplicatedLogEntry actual) {
  85         assertEquals("getIndex", expected.getIndex(), actual.getIndex());
  86         assertEquals("getTerm", expected.getTerm(), actual.getTerm());
  87         assertEquals("getData", expected.getData().toString(), actual.getData().toString());
  88     }
  89 }