dom/mdsal-dom-inmemory-datastore/src/test/java/org/opendaylight/mdsal/dom/store/inmemory/AbstractDOMShardTreeChangePublisherTest.java

   1 /*
   2  * Copyright (c) 2016 Cisco 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.mdsal.dom.store.inmemory;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertNotNull;
  12 import static org.junit.Assert.assertTrue;
  13 import static org.mockito.Matchers.any;
  14 import static org.mockito.Mockito.doNothing;
  15 import static org.mockito.Mockito.doReturn;
  16 import static org.mockito.Mockito.mock;
  17 import static org.mockito.Mockito.verify;
  18 import static org.opendaylight.mdsal.dom.store.inmemory.TestUtils.DATA_TREE;
  19 import static org.opendaylight.mdsal.dom.store.inmemory.TestUtils.resetMocks;
  20
  21 import com.google.common.base.Optional;
  22 import com.google.common.collect.ImmutableMap;
  23 import java.util.Collection;
  24 import java.util.Map;
  25 import javax.annotation.Nonnull;
  26 import org.junit.After;
  27 import org.junit.Before;
  28 import org.junit.Test;
  29 import org.mockito.ArgumentCaptor;
  30 import org.mockito.Captor;
  31 import org.mockito.MockitoAnnotations;
  32 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  33 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
  34 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  35 import org.opendaylight.mdsal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration;
  36 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  37 import org.opendaylight.yangtools.yang.common.QName;
  38 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  39 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
  40 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  41 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
  42 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  43 import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
  44 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  45
  46 public class AbstractDOMShardTreeChangePublisherTest extends AbstractDOMShardTreeChangePublisher {
  47
  48     private static final YangInstanceIdentifier YANG_INSTANCE_IDENTIFIER =
  49             YangInstanceIdentifier.of(QName.create("test"));
  50
  51     private static final DOMDataTreeIdentifier DOM_DATA_TREE_IDENTIFIER =
  52             new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, YANG_INSTANCE_IDENTIFIER);
  53
  54     private static final ReadableWriteableDOMDataTreeShard READABLE_WRITEABLE_DOM_DATA_TREE_SHARD =
  55             mock(ReadableWriteableDOMDataTreeShard.class);
  56
  57     private static final ChildShardContext CHILD_SHARD_CONTEXT =
  58             new ChildShardContext(DOM_DATA_TREE_IDENTIFIER, READABLE_WRITEABLE_DOM_DATA_TREE_SHARD);
  59
  60     private static final Map<DOMDataTreeIdentifier, ChildShardContext> CHILD_SHARDS =
  61             ImmutableMap.of(DOM_DATA_TREE_IDENTIFIER, CHILD_SHARD_CONTEXT);
  62
  63     @Captor
  64     private ArgumentCaptor<Collection<DataTreeCandidate>> captorForChanges;
  65
  66     @Before
  67     public void setUp() {
  68         MockitoAnnotations.initMocks(this);
  69     }
  70
  71     @Test
  72     public void registerTreeChangeListenerTest() throws Exception {
  73         final DOMDataTreeChangeListener domDataTreeChangeListener = mock(DOMDataTreeChangeListener.class);
  74         final ListenerRegistration listenerRegistration = mock(ListenerRegistration.class);
  75         final DataTreeSnapshot initialSnapshot = mock(DataTreeSnapshot.class);
  76         final DataContainerNode initialData =
  77                 ImmutableContainerNodeBuilder.create()
  78                         .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(QName.create("test")))
  79                         .build();
  80         doReturn(initialSnapshot).when(DATA_TREE).takeSnapshot();
  81         doReturn(Optional.of(initialData)).when(initialSnapshot).readNode(any());
  82         doNothing().when(domDataTreeChangeListener).onDataTreeChanged(any());
  83
  84         doReturn(listenerRegistration)
  85                 .when(READABLE_WRITEABLE_DOM_DATA_TREE_SHARD).registerTreeChangeListener(any(), any());
  86
  87         assertNotNull(this.registerTreeChangeListener(YANG_INSTANCE_IDENTIFIER, domDataTreeChangeListener));
  88         verify(READABLE_WRITEABLE_DOM_DATA_TREE_SHARD).registerTreeChangeListener(any(), any());
  89
  90         verify(domDataTreeChangeListener)
  91                 .onDataTreeChanged(captorForChanges.capture());
  92
  93         final Collection<DataTreeCandidate> initialChange = captorForChanges.getValue();
  94
  95         assertTrue(initialChange.size() == 1);
  96         initialChange.forEach(dataTreeCandidate ->
  97                 assertEquals(dataTreeCandidate.getRootPath(), YANG_INSTANCE_IDENTIFIER));
  98         initialChange.forEach(dataTreeCandidate ->
  99                 assertEquals(dataTreeCandidate.getRootNode().getModificationType(), ModificationType.UNMODIFIED));
 100     }
 101
 102     @Test(expected = UnsupportedOperationException.class)
 103     public void registerTreeChangeListenerTestWithException() throws Exception {
 104         final DOMDataTreeChangeListener domDataTreeChangeListener = mock(DOMDataTreeChangeListener.class);
 105         final ListenerRegistration listenerRegistration = mock(ListenerRegistration.class);
 106         doReturn(listenerRegistration)
 107                 .when(READABLE_WRITEABLE_DOM_DATA_TREE_SHARD).registerTreeChangeListener(any(), any());
 108         final DOMDataTreeIdentifier domDataTreeIdentifier =
 109                 new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY);
 110         final ChildShardContext childShardContext =
 111                 new ChildShardContext(domDataTreeIdentifier, READABLE_WRITEABLE_DOM_DATA_TREE_SHARD);
 112         final Map<DOMDataTreeIdentifier, ChildShardContext> childShardContextMap =
 113                 ImmutableMap.of(domDataTreeIdentifier, childShardContext);
 114
 115         final AbstractDOMShardTreeChangePublisherTest abstractDOMShardTreeChangePublisherTest =
 116                 new AbstractDOMShardTreeChangePublisherTest(childShardContextMap);
 117         abstractDOMShardTreeChangePublisherTest
 118                 .registerTreeChangeListener(YANG_INSTANCE_IDENTIFIER, domDataTreeChangeListener);
 119     }
 120
 121     public AbstractDOMShardTreeChangePublisherTest() {
 122         super(DATA_TREE, YANG_INSTANCE_IDENTIFIER, CHILD_SHARDS);
 123     }
 124
 125     private AbstractDOMShardTreeChangePublisherTest(final Map<DOMDataTreeIdentifier, ChildShardContext> childShardContextMap) {
 126         super(DATA_TREE, YANG_INSTANCE_IDENTIFIER, childShardContextMap);
 127     }
 128
 129     @Override
 130     protected void notifyListeners(@Nonnull final Collection<AbstractDOMDataTreeChangeListenerRegistration<?>> registrations,
 131                                    @Nonnull final YangInstanceIdentifier path, @Nonnull final DataTreeCandidateNode node) {
 132         // NOOP
 133     }
 134
 135     @Override
 136     protected void registrationRemoved(@Nonnull final AbstractDOMDataTreeChangeListenerRegistration<?> registration) {
 137         // NOOP
 138     }
 139
 140     @After
 141     public void reset() {
 142         resetMocks();
 143     }
 144 }