opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/persisted/ShardDataTreeSnapshotTest.java

   1 /*
   2  * Copyright (c) 2016 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.persisted;
   9
  10 import static org.junit.Assert.assertEquals;
  11
  12 import com.google.common.collect.ImmutableMap;
  13 import java.io.Externalizable;
  14 import java.io.IOException;
  15 import java.io.ObjectInput;
  16 import java.io.ObjectOutput;
  17 import java.util.Map;
  18 import java.util.Optional;
  19 import org.junit.Test;
  20 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
  21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  22 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  23 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  24 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  25
  26 /**
  27  * Unit tests for ShardDataTreeSnapshot.
  28  *
  29  * @author Thomas Pantelis
  30  */
  31 public class ShardDataTreeSnapshotTest {
  32
  33     @Test
  34     public void testShardDataTreeSnapshotWithNoMetadata() throws Exception {
  35         NormalizedNode<?, ?> expectedNode = ImmutableContainerNodeBuilder.create()
  36                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
  37                 .withChild(ImmutableNodes.leafNode(TestModel.DESC_QNAME, "foo")).build();
  38
  39         MetadataShardDataTreeSnapshot snapshot = new MetadataShardDataTreeSnapshot(expectedNode);
  40         byte[] serialized = snapshot.serialize();
  41
  42         ShardDataTreeSnapshot deserialized = ShardDataTreeSnapshot.deserialize(serialized);
  43
  44         Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
  45         assertEquals("rootNode present", true, actualNode.isPresent());
  46         assertEquals("rootNode", expectedNode, actualNode.get());
  47         assertEquals("Deserialized type", MetadataShardDataTreeSnapshot.class, deserialized.getClass());
  48         assertEquals("Metadata size", 0, ((MetadataShardDataTreeSnapshot)deserialized).getMetadata().size());
  49     }
  50
  51     @Test
  52     public void testShardDataTreeSnapshotWithMetadata() throws Exception {
  53         NormalizedNode<?, ?> expectedNode = ImmutableContainerNodeBuilder.create()
  54                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
  55                 .withChild(ImmutableNodes.leafNode(TestModel.DESC_QNAME, "foo")).build();
  56
  57         Map<Class<? extends ShardDataTreeSnapshotMetadata<?>>, ShardDataTreeSnapshotMetadata<?>> expMetadata =
  58                 ImmutableMap.of(TestShardDataTreeSnapshotMetadata.class, new TestShardDataTreeSnapshotMetadata("test"));
  59         MetadataShardDataTreeSnapshot snapshot = new MetadataShardDataTreeSnapshot(expectedNode, expMetadata);
  60         byte[] serialized = snapshot.serialize();
  61
  62         ShardDataTreeSnapshot deserialized = ShardDataTreeSnapshot.deserialize(serialized);
  63
  64         Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
  65         assertEquals("rootNode present", true, actualNode.isPresent());
  66         assertEquals("rootNode", expectedNode, actualNode.get());
  67         assertEquals("Deserialized type", MetadataShardDataTreeSnapshot.class, deserialized.getClass());
  68         assertEquals("Metadata", expMetadata, ((MetadataShardDataTreeSnapshot)deserialized).getMetadata());
  69     }
  70
  71     @Test
  72     public void testPreBoronShardDataTreeSnapshot() throws Exception {
  73         NormalizedNode<?, ?> expectedNode = ImmutableContainerNodeBuilder.create()
  74                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
  75                 .withChild(ImmutableNodes.leafNode(TestModel.DESC_QNAME, "foo")).build();
  76
  77         PreBoronShardDataTreeSnapshot snapshot = new PreBoronShardDataTreeSnapshot(expectedNode);
  78         byte[] serialized = snapshot.serialize();
  79
  80         ShardDataTreeSnapshot deserialized = ShardDataTreeSnapshot.deserialize(serialized);
  81
  82         Optional<NormalizedNode<?, ?>> actualNode = deserialized.getRootNode();
  83         assertEquals("rootNode present", true, actualNode.isPresent());
  84         assertEquals("rootNode", expectedNode, actualNode.get());
  85         assertEquals("Deserialized type", PreBoronShardDataTreeSnapshot.class, deserialized.getClass());
  86     }
  87
  88     static class TestShardDataTreeSnapshotMetadata
  89             extends ShardDataTreeSnapshotMetadata<TestShardDataTreeSnapshotMetadata> {
  90         private static final long serialVersionUID = 1L;
  91
  92         private final String data;
  93
  94         TestShardDataTreeSnapshotMetadata(String data) {
  95             this.data = data;
  96         }
  97
  98         @Override
  99         public Class<TestShardDataTreeSnapshotMetadata> getType() {
 100             return TestShardDataTreeSnapshotMetadata.class;
 101         }
 102
 103         @Override
 104         protected Externalizable externalizableProxy() {
 105             return new Proxy(data);
 106         }
 107
 108         @Override
 109         public int hashCode() {
 110             return data.hashCode();
 111         }
 112
 113         @Override
 114         public boolean equals(Object obj) {
 115             return obj instanceof TestShardDataTreeSnapshotMetadata
 116                     && data.equals(((TestShardDataTreeSnapshotMetadata)obj).data);
 117         }
 118
 119         private static class Proxy implements Externalizable {
 120             private String data;
 121
 122             @SuppressWarnings("checkstyle:RedundantModifier")
 123             public Proxy() {
 124             }
 125
 126             Proxy(String data) {
 127                 this.data = data;
 128             }
 129
 130             @Override
 131             public void writeExternal(ObjectOutput out) throws IOException {
 132                 out.writeObject(data);
 133             }
 134
 135             @Override
 136             public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
 137                 data = (String) in.readObject();
 138             }
 139
 140             Object readResolve() {
 141                 return new TestShardDataTreeSnapshotMetadata(data);
 142             }
 143         }
 144     }
 145 }