2 * Copyright (c) 2016 Brocade Communications Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.cluster.datastore.persisted;
10 import static org.junit.Assert.assertEquals;
12 import com.google.common.collect.ImmutableMap;
13 import java.io.ByteArrayInputStream;
14 import java.io.ByteArrayOutputStream;
15 import java.io.Externalizable;
16 import java.io.IOException;
17 import java.io.ObjectInput;
18 import java.io.ObjectInputStream;
19 import java.io.ObjectOutput;
20 import java.io.ObjectOutputStream;
22 import java.util.Optional;
23 import org.junit.Test;
24 import org.opendaylight.controller.cluster.datastore.node.utils.stream.SerializationUtils;
25 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
28 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
29 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
32 * Unit tests for ShardDataTreeSnapshot.
34 * @author Thomas Pantelis
36 public class ShardDataTreeSnapshotTest {
39 public void testShardDataTreeSnapshotWithNoMetadata() throws Exception {
40 NormalizedNode<?, ?> expectedNode = ImmutableContainerNodeBuilder.create()
41 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
42 .withChild(ImmutableNodes.leafNode(TestModel.DESC_QNAME, "foo")).build();
44 MetadataShardDataTreeSnapshot snapshot = new MetadataShardDataTreeSnapshot(expectedNode);
45 ByteArrayOutputStream bos = new ByteArrayOutputStream();
46 try (final ObjectOutputStream out = new ObjectOutputStream(bos)) {
47 snapshot.serialize(out);
50 ShardDataTreeSnapshot deserialized;
51 try (final ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()))) {
52 deserialized = ShardDataTreeSnapshot.deserialize(in);
55 Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
56 assertEquals("rootNode present", true, actualNode.isPresent());
57 assertEquals("rootNode", expectedNode, actualNode.get());
58 assertEquals("Deserialized type", MetadataShardDataTreeSnapshot.class, deserialized.getClass());
59 assertEquals("Metadata size", 0, ((MetadataShardDataTreeSnapshot)deserialized).getMetadata().size());
63 public void testShardDataTreeSnapshotWithMetadata() throws Exception {
64 NormalizedNode<?, ?> expectedNode = ImmutableContainerNodeBuilder.create()
65 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
66 .withChild(ImmutableNodes.leafNode(TestModel.DESC_QNAME, "foo")).build();
68 Map<Class<? extends ShardDataTreeSnapshotMetadata<?>>, ShardDataTreeSnapshotMetadata<?>> expMetadata =
69 ImmutableMap.of(TestShardDataTreeSnapshotMetadata.class, new TestShardDataTreeSnapshotMetadata("test"));
70 MetadataShardDataTreeSnapshot snapshot = new MetadataShardDataTreeSnapshot(expectedNode, expMetadata);
71 ByteArrayOutputStream bos = new ByteArrayOutputStream();
72 try (final ObjectOutputStream out = new ObjectOutputStream(bos)) {
73 snapshot.serialize(out);
76 ShardDataTreeSnapshot deserialized;
77 try (final ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()))) {
78 deserialized = ShardDataTreeSnapshot.deserialize(in);
81 Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
82 assertEquals("rootNode present", true, actualNode.isPresent());
83 assertEquals("rootNode", expectedNode, actualNode.get());
84 assertEquals("Deserialized type", MetadataShardDataTreeSnapshot.class, deserialized.getClass());
85 assertEquals("Metadata", expMetadata, ((MetadataShardDataTreeSnapshot)deserialized).getMetadata());
90 public void testPreBoronShardDataTreeSnapshot() throws Exception {
91 NormalizedNode<?, ?> expectedNode = ImmutableContainerNodeBuilder.create()
92 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
93 .withChild(ImmutableNodes.leafNode(TestModel.DESC_QNAME, "foo")).build();
95 byte[] serialized = SerializationUtils.serializeNormalizedNode(expectedNode);
97 ShardDataTreeSnapshot deserialized = ShardDataTreeSnapshot.deserializePreCarbon(serialized);
99 Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
100 assertEquals("rootNode present", true, actualNode.isPresent());
101 assertEquals("rootNode", expectedNode, actualNode.get());
102 assertEquals("Deserialized type", PreBoronShardDataTreeSnapshot.class, deserialized.getClass());
105 static class TestShardDataTreeSnapshotMetadata
106 extends ShardDataTreeSnapshotMetadata<TestShardDataTreeSnapshotMetadata> {
107 private static final long serialVersionUID = 1L;
109 private final String data;
111 TestShardDataTreeSnapshotMetadata(String data) {
116 public Class<TestShardDataTreeSnapshotMetadata> getType() {
117 return TestShardDataTreeSnapshotMetadata.class;
121 protected Externalizable externalizableProxy() {
122 return new Proxy(data);
126 public int hashCode() {
127 return data.hashCode();
131 public boolean equals(Object obj) {
132 return obj instanceof TestShardDataTreeSnapshotMetadata
133 && data.equals(((TestShardDataTreeSnapshotMetadata)obj).data);
136 private static class Proxy implements Externalizable {
139 @SuppressWarnings("checkstyle:RedundantModifier")
148 public void writeExternal(ObjectOutput out) throws IOException {
149 out.writeObject(data);
153 public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
154 data = (String) in.readObject();
157 Object readResolve() {
158 return new TestShardDataTreeSnapshotMetadata(data);