opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/shardmanager/ShardManagerGetSnapshotReplyActorTest.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.datastore.shardmanager;
   9
  10 import static org.junit.Assert.assertArrayEquals;
  11 import static org.junit.Assert.assertEquals;
  12
  13 import akka.actor.ActorRef;
  14 import akka.actor.Status.Failure;
  15 import akka.actor.Terminated;
  16 import akka.testkit.JavaTestKit;
  17 import java.util.Arrays;
  18 import java.util.Collections;
  19 import java.util.List;
  20 import java.util.concurrent.TimeUnit;
  21 import java.util.concurrent.TimeoutException;
  22 import org.junit.Test;
  23 import org.opendaylight.controller.cluster.access.concepts.MemberName;
  24 import org.opendaylight.controller.cluster.datastore.AbstractActorTest;
  25 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
  26 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
  27 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot.ShardSnapshot;
  28 import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
  29 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshotReply;
  30 import org.opendaylight.controller.cluster.raft.persisted.ByteState;
  31 import org.opendaylight.controller.cluster.raft.persisted.Snapshot;
  32 import scala.concurrent.duration.Duration;
  33 import scala.concurrent.duration.FiniteDuration;
  34
  35 /**
  36  * Unit tests for ShardManagerGetSnapshotReplyActor.
  37  *
  38  * @author Thomas Pantelis
  39  */
  40 public class ShardManagerGetSnapshotReplyActorTest extends AbstractActorTest {
  41     private static final MemberName MEMBER_1 = MemberName.forName("member-1");
  42
  43     @Test
  44     public void testSuccess() {
  45         JavaTestKit kit = new JavaTestKit(getSystem());
  46
  47         byte[] shardManagerSnapshot = new byte[]{0,5,9};
  48         ActorRef replyActor = getSystem().actorOf(ShardManagerGetSnapshotReplyActor.props(
  49                 Arrays.asList("shard1", "shard2", "shard3"), "config", shardManagerSnapshot, kit.getRef(),
  50                 "shard-manager", Duration.create(100, TimeUnit.SECONDS)), "testSuccess");
  51
  52         kit.watch(replyActor);
  53
  54         ByteState shard1SnapshotState = ByteState.of(new byte[]{1,2,3});
  55         replyActor.tell(new GetSnapshotReply(ShardIdentifier.create("shard1", MEMBER_1, "config").toString(),
  56                 Snapshot.create(shard1SnapshotState, Collections.<ReplicatedLogEntry>emptyList(),
  57                         2, 1, 2, 1, 1, "member-1", null)), ActorRef.noSender());
  58
  59         ByteState shard2SnapshotState = ByteState.of(new byte[]{4,5,6});
  60         replyActor.tell(new GetSnapshotReply(ShardIdentifier.create("shard2", MEMBER_1, "config").toString(),
  61                 Snapshot.create(shard2SnapshotState, Collections.<ReplicatedLogEntry>emptyList(),
  62                         2, 1, 2, 1, 1, "member-1", null)), ActorRef.noSender());
  63
  64         kit.expectNoMsg(FiniteDuration.create(500, TimeUnit.MILLISECONDS));
  65
  66         ByteState shard3SnapshotState = ByteState.of(new byte[]{7,8,9});
  67         replyActor.tell(new GetSnapshotReply(ShardIdentifier.create("shard3", MEMBER_1, "config").toString(),
  68                 Snapshot.create(shard3SnapshotState, Collections.<ReplicatedLogEntry>emptyList(),
  69                         2, 1, 2, 1, 1, "member-1", null)), ActorRef.noSender());
  70
  71         DatastoreSnapshot datastoreSnapshot = kit.expectMsgClass(DatastoreSnapshot.class);
  72
  73         assertEquals("getType", "config", datastoreSnapshot.getType());
  74         assertArrayEquals("getShardManagerSnapshot", shardManagerSnapshot, datastoreSnapshot.getShardManagerSnapshot());
  75         List<ShardSnapshot> shardSnapshots = datastoreSnapshot.getShardSnapshots();
  76         assertEquals("ShardSnapshot size", 3, shardSnapshots.size());
  77         assertEquals("ShardSnapshot 1 getName", "shard1", shardSnapshots.get(0).getName());
  78         assertEquals("ShardSnapshot 1 getSnapshot", shard1SnapshotState,
  79                 shardSnapshots.get(0).getSnapshot().getState());
  80         assertEquals("ShardSnapshot 2 getName", "shard2", shardSnapshots.get(1).getName());
  81         assertEquals("ShardSnapshot 2 getSnapshot", shard2SnapshotState,
  82                 shardSnapshots.get(1).getSnapshot().getState());
  83         assertEquals("ShardSnapshot 3 getName", "shard3", shardSnapshots.get(2).getName());
  84         assertEquals("ShardSnapshot 3 getSnapshot", shard3SnapshotState,
  85                 shardSnapshots.get(2).getSnapshot().getState());
  86
  87         kit.expectMsgClass(Terminated.class);
  88     }
  89
  90     @Test
  91     public void testGetSnapshotFailureReply() {
  92         JavaTestKit kit = new JavaTestKit(getSystem());
  93
  94         byte[] shardManagerSnapshot = new byte[]{0,5,9};
  95         ActorRef replyActor = getSystem().actorOf(ShardManagerGetSnapshotReplyActor.props(
  96                 Arrays.asList("shard1", "shard2"), "config", shardManagerSnapshot, kit.getRef(), "shard-manager",
  97                 Duration.create(100, TimeUnit.SECONDS)), "testGetSnapshotFailureReply");
  98
  99         kit.watch(replyActor);
 100
 101         replyActor.tell(new GetSnapshotReply(ShardIdentifier.create("shard1", MEMBER_1, "config").toString(),
 102                 Snapshot.create(ByteState.of(new byte[]{1,2,3}), Collections.<ReplicatedLogEntry>emptyList(),
 103                         2, 1, 2, 1, 1, "member-1", null)), ActorRef.noSender());
 104
 105         replyActor.tell(new Failure(new RuntimeException()), ActorRef.noSender());
 106
 107         kit.expectMsgClass(Failure.class);
 108         kit.expectTerminated(replyActor);
 109     }
 110
 111     @Test
 112     public void testGetSnapshotTimeout() {
 113         JavaTestKit kit = new JavaTestKit(getSystem());
 114
 115         byte[] shardManagerSnapshot = new byte[]{0,5,9};
 116         ActorRef replyActor = getSystem().actorOf(ShardManagerGetSnapshotReplyActor.props(
 117                 Arrays.asList("shard1"), "config", shardManagerSnapshot, kit.getRef(), "shard-manager",
 118                 Duration.create(100, TimeUnit.MILLISECONDS)), "testGetSnapshotTimeout");
 119
 120         kit.watch(replyActor);
 121
 122         Failure failure = kit.expectMsgClass(Failure.class);
 123         assertEquals("Failure cause type", TimeoutException.class, failure.cause().getClass());
 124         kit.expectTerminated(replyActor);
 125     }
 126 }