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;
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.md.cluster.datastore.model.TestModel;
25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
26 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
27 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
28 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
31 * Unit tests for ShardDataTreeSnapshot.
33 * @author Thomas Pantelis
35 public class ShardDataTreeSnapshotTest {
38 public void testShardDataTreeSnapshotWithNoMetadata() throws Exception {
39 NormalizedNode<?, ?> expectedNode = ImmutableContainerNodeBuilder.create()
40 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
41 .withChild(ImmutableNodes.leafNode(TestModel.DESC_QNAME, "foo")).build();
43 MetadataShardDataTreeSnapshot snapshot = new MetadataShardDataTreeSnapshot(expectedNode);
44 ByteArrayOutputStream bos = new ByteArrayOutputStream();
45 try (ObjectOutputStream out = new ObjectOutputStream(bos)) {
46 snapshot.serialize(out);
49 ShardDataTreeSnapshot deserialized;
50 try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()))) {
51 deserialized = ShardDataTreeSnapshot.deserialize(in);
54 Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
55 assertEquals("rootNode present", true, actualNode.isPresent());
56 assertEquals("rootNode", expectedNode, actualNode.get());
57 assertEquals("Deserialized type", MetadataShardDataTreeSnapshot.class, deserialized.getClass());
58 assertEquals("Metadata size", 0, ((MetadataShardDataTreeSnapshot)deserialized).getMetadata().size());
62 public void testShardDataTreeSnapshotWithMetadata() throws Exception {
63 NormalizedNode<?, ?> expectedNode = ImmutableContainerNodeBuilder.create()
64 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
65 .withChild(ImmutableNodes.leafNode(TestModel.DESC_QNAME, "foo")).build();
67 Map<Class<? extends ShardDataTreeSnapshotMetadata<?>>, ShardDataTreeSnapshotMetadata<?>> expMetadata =
68 ImmutableMap.of(TestShardDataTreeSnapshotMetadata.class, new TestShardDataTreeSnapshotMetadata("test"));
69 MetadataShardDataTreeSnapshot snapshot = new MetadataShardDataTreeSnapshot(expectedNode, expMetadata);
70 ByteArrayOutputStream bos = new ByteArrayOutputStream();
71 try (ObjectOutputStream out = new ObjectOutputStream(bos)) {
72 snapshot.serialize(out);
75 ShardDataTreeSnapshot deserialized;
76 try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()))) {
77 deserialized = ShardDataTreeSnapshot.deserialize(in);
80 Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
81 assertEquals("rootNode present", true, actualNode.isPresent());
82 assertEquals("rootNode", expectedNode, actualNode.get());
83 assertEquals("Deserialized type", MetadataShardDataTreeSnapshot.class, deserialized.getClass());
84 assertEquals("Metadata", expMetadata, ((MetadataShardDataTreeSnapshot)deserialized).getMetadata());
87 static class TestShardDataTreeSnapshotMetadata
88 extends ShardDataTreeSnapshotMetadata<TestShardDataTreeSnapshotMetadata> {
89 private static final long serialVersionUID = 1L;
91 private final String data;
93 TestShardDataTreeSnapshotMetadata(String data) {
98 public Class<TestShardDataTreeSnapshotMetadata> getType() {
99 return TestShardDataTreeSnapshotMetadata.class;
103 protected Externalizable externalizableProxy() {
104 return new Proxy(data);
108 public int hashCode() {
109 return data.hashCode();
113 public boolean equals(Object obj) {
114 return obj instanceof TestShardDataTreeSnapshotMetadata
115 && data.equals(((TestShardDataTreeSnapshotMetadata)obj).data);
118 private static class Proxy implements Externalizable {
121 @SuppressWarnings("checkstyle:RedundantModifier")
130 public void writeExternal(ObjectOutput out) throws IOException {
131 out.writeObject(data);
135 public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
136 data = (String) in.readObject();
139 Object readResolve() {
140 return new TestShardDataTreeSnapshotMetadata(data);