opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/compat/PreLithiumShardTest.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.compat;
   9
  10 import static org.junit.Assert.assertEquals;
  11
  12 import akka.actor.ActorRef;
  13 import akka.actor.PoisonPill;
  14 import akka.testkit.TestActorRef;
  15 import java.util.Collections;
  16 import org.junit.Test;
  17 import org.opendaylight.controller.cluster.datastore.AbstractShardTest;
  18 import org.opendaylight.controller.cluster.datastore.Shard;
  19 import org.opendaylight.controller.cluster.datastore.node.NormalizedNodeToNodeCodec;
  20 import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
  21 import org.opendaylight.controller.cluster.raft.Snapshot;
  22 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
  23 import org.opendaylight.controller.protobuff.messages.common.NormalizedNodeMessages;
  24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  25 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  26 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
  27 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  28 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  29 import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
  30
  31 /**
  32  * Unit tests for backwards compatibility with pre-Lithium versions.
  33  *
  34  * @author Thomas Pantelis
  35  */
  36 public class PreLithiumShardTest extends AbstractShardTest {
  37     @Test
  38     public void testApplyHelium2VersionSnapshot() throws Exception {
  39         TestActorRef<Shard> shard = TestActorRef.create(getSystem(), newShardProps(),
  40                 "testApplyHelium2VersionSnapshot");
  41
  42         NormalizedNodeToNodeCodec codec = new NormalizedNodeToNodeCodec();
  43
  44         DataTree store = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
  45         store.setSchemaContext(SCHEMA_CONTEXT);
  46
  47         writeToStore(store, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
  48
  49         YangInstanceIdentifier root = YangInstanceIdentifier.EMPTY;
  50         NormalizedNode<?,?> expected = readStore(store, root);
  51
  52         NormalizedNodeMessages.Container encode = codec.encode(expected);
  53
  54         Snapshot snapshot = Snapshot.create(encode.getNormalizedNode().toByteString().toByteArray(),
  55                 Collections.<ReplicatedLogEntry>emptyList(), 1, 2, 3, 4);
  56
  57         shard.underlyingActor().getRaftActorSnapshotCohort().applySnapshot(snapshot.getState());
  58
  59         NormalizedNode<?,?> actual = readStore(shard, root);
  60
  61         assertEquals("Root node", expected, actual);
  62
  63         shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
  64     }
  65 }