2 * Copyright (c) 2016, 2017 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;
11 import static org.junit.Assert.assertTrue;
13 import com.google.common.collect.ImmutableMap;
14 import java.io.ByteArrayInputStream;
15 import java.io.ByteArrayOutputStream;
16 import java.io.Externalizable;
17 import java.io.IOException;
18 import java.io.ObjectInput;
19 import java.io.ObjectInputStream;
20 import java.io.ObjectOutput;
21 import java.io.ObjectOutputStream;
23 import java.util.Optional;
24 import org.junit.Test;
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 (ObjectOutputStream out = new ObjectOutputStream(bos)) {
47 snapshot.serialize(out);
50 final byte[] bytes = bos.toByteArray();
51 assertEquals(242, bytes.length);
53 ShardDataTreeSnapshot deserialized;
54 try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes))) {
55 deserialized = ShardDataTreeSnapshot.deserialize(in).getSnapshot();
58 Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
59 assertTrue("rootNode present", actualNode.isPresent());
60 assertEquals("rootNode", expectedNode, actualNode.get());
61 assertEquals("Deserialized type", MetadataShardDataTreeSnapshot.class, deserialized.getClass());
62 assertEquals("Metadata size", 0, ((MetadataShardDataTreeSnapshot)deserialized).getMetadata().size());
66 public void testShardDataTreeSnapshotWithMetadata() throws Exception {
67 NormalizedNode<?, ?> expectedNode = ImmutableContainerNodeBuilder.create()
68 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
69 .withChild(ImmutableNodes.leafNode(TestModel.DESC_QNAME, "foo")).build();
71 Map<Class<? extends ShardDataTreeSnapshotMetadata<?>>, ShardDataTreeSnapshotMetadata<?>> expMetadata =
72 ImmutableMap.of(TestShardDataTreeSnapshotMetadata.class, new TestShardDataTreeSnapshotMetadata("test"));
73 MetadataShardDataTreeSnapshot snapshot = new MetadataShardDataTreeSnapshot(expectedNode, expMetadata);
74 ByteArrayOutputStream bos = new ByteArrayOutputStream();
75 try (ObjectOutputStream out = new ObjectOutputStream(bos)) {
76 snapshot.serialize(out);
79 final byte[] bytes = bos.toByteArray();
80 assertEquals(390, bytes.length);
82 ShardDataTreeSnapshot deserialized;
83 try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes))) {
84 deserialized = ShardDataTreeSnapshot.deserialize(in).getSnapshot();
87 Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
88 assertTrue("rootNode present", actualNode.isPresent());
89 assertEquals("rootNode", expectedNode, actualNode.get());
90 assertEquals("Deserialized type", MetadataShardDataTreeSnapshot.class, deserialized.getClass());
91 assertEquals("Metadata", expMetadata, ((MetadataShardDataTreeSnapshot)deserialized).getMetadata());
94 static class TestShardDataTreeSnapshotMetadata
95 extends ShardDataTreeSnapshotMetadata<TestShardDataTreeSnapshotMetadata> {
96 private static final long serialVersionUID = 1L;
98 private final String data;
100 TestShardDataTreeSnapshotMetadata(final String data) {
105 public Class<TestShardDataTreeSnapshotMetadata> getType() {
106 return TestShardDataTreeSnapshotMetadata.class;
110 protected Externalizable externalizableProxy() {
111 return new Proxy(data);
115 public int hashCode() {
116 return data.hashCode();
120 public boolean equals(final Object obj) {
121 return obj instanceof TestShardDataTreeSnapshotMetadata
122 && data.equals(((TestShardDataTreeSnapshotMetadata)obj).data);
125 private static class Proxy implements Externalizable {
128 @SuppressWarnings("checkstyle:RedundantModifier")
132 Proxy(final String data) {
137 public void writeExternal(final ObjectOutput out) throws IOException {
138 out.writeObject(data);
142 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
143 data = (String) in.readObject();
146 Object readResolve() {
147 return new TestShardDataTreeSnapshotMetadata(data);