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.mdsal.dom.spi.shard.ChildShardContext;
  37 import org.opendaylight.mdsal.dom.spi.shard.ReadableWriteableDOMDataTreeShard;
  38 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  39 import org.opendaylight.yangtools.yang.common.QName;
  40 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  41 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
  42 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  43 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  44 import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
  45 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  46
  47 public class AbstractDOMShardTreeChangePublisherTest extends AbstractDOMShardTreeChangePublisher {
  48
  49     private static final YangInstanceIdentifier YANG_INSTANCE_IDENTIFIER =
  50             YangInstanceIdentifier.of(QName.create("test"));
  51
  52     private static final DOMDataTreeIdentifier DOM_DATA_TREE_IDENTIFIER =
  53             new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, YANG_INSTANCE_IDENTIFIER);
  54
  55     private static final ReadableWriteableDOMDataTreeShard READABLE_WRITEABLE_DOM_DATA_TREE_SHARD =
  56             mock(ReadableWriteableDOMDataTreeShard.class);
  57
  58     private static final ChildShardContext CHILD_SHARD_CONTEXT =
  59             new ChildShardContext(DOM_DATA_TREE_IDENTIFIER, READABLE_WRITEABLE_DOM_DATA_TREE_SHARD);
  60
  61     private static final Map<DOMDataTreeIdentifier, ChildShardContext> CHILD_SHARDS =
  62             ImmutableMap.of(DOM_DATA_TREE_IDENTIFIER, CHILD_SHARD_CONTEXT);
  63
  64     @Captor
  65     private ArgumentCaptor<Collection<DataTreeCandidate>> captorForChanges;
  66
  67     @Before
  68     public void setUp() {
  69         MockitoAnnotations.initMocks(this);
  70     }
  71
  72     @Test
  73     public void registerTreeChangeListenerTest() throws Exception {
  74         final DOMDataTreeChangeListener domDataTreeChangeListener = mock(DOMDataTreeChangeListener.class);
  75         final ListenerRegistration listenerRegistration = mock(ListenerRegistration.class);
  76         final DataTreeSnapshot initialSnapshot = mock(DataTreeSnapshot.class);
  77         final DataContainerNode initialData =
  78                 ImmutableContainerNodeBuilder.create()
  79                         .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(QName.create("test")))
  80                         .build();
  81         doReturn(initialSnapshot).when(DATA_TREE).takeSnapshot();
  82         doReturn(Optional.of(initialData)).when(initialSnapshot).readNode(any());
  83         doNothing().when(domDataTreeChangeListener).onDataTreeChanged(any());
  84
  85         doReturn(listenerRegistration)
  86                 .when(READABLE_WRITEABLE_DOM_DATA_TREE_SHARD).registerTreeChangeListener(any(), any());
  87
  88         assertNotNull(this.registerTreeChangeListener(YANG_INSTANCE_IDENTIFIER, domDataTreeChangeListener));
  89         verify(READABLE_WRITEABLE_DOM_DATA_TREE_SHARD).registerTreeChangeListener(any(), any());
  90
  91         verify(domDataTreeChangeListener)
  92                 .onDataTreeChanged(captorForChanges.capture());
  93
  94         final Collection<DataTreeCandidate> initialChange = captorForChanges.getValue();
  95
  96         assertTrue(initialChange.size() == 1);
  97         initialChange.forEach(dataTreeCandidate ->
  98                 assertEquals(dataTreeCandidate.getRootPath(), YANG_INSTANCE_IDENTIFIER));
  99         initialChange.forEach(dataTreeCandidate ->
 100                 assertEquals(dataTreeCandidate.getRootNode().getModificationType(), ModificationType.UNMODIFIED));
 101     }
 102
 103     @Test(expected = UnsupportedOperationException.class)
 104     public void registerTreeChangeListenerTestWithException() throws Exception {
 105         final DOMDataTreeChangeListener domDataTreeChangeListener = mock(DOMDataTreeChangeListener.class);
 106         final ListenerRegistration listenerRegistration = mock(ListenerRegistration.class);
 107         doReturn(listenerRegistration)
 108                 .when(READABLE_WRITEABLE_DOM_DATA_TREE_SHARD).registerTreeChangeListener(any(), any());
 109         final DOMDataTreeIdentifier domDataTreeIdentifier =
 110                 new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY);
 111         final ChildShardContext childShardContext =
 112                 new ChildShardContext(domDataTreeIdentifier, READABLE_WRITEABLE_DOM_DATA_TREE_SHARD);
 113         final Map<DOMDataTreeIdentifier, ChildShardContext> childShardContextMap =
 114                 ImmutableMap.of(domDataTreeIdentifier, childShardContext);
 115
 116         final AbstractDOMShardTreeChangePublisherTest abstractDOMShardTreeChangePublisherTest =
 117                 new AbstractDOMShardTreeChangePublisherTest(childShardContextMap);
 118         abstractDOMShardTreeChangePublisherTest
 119                 .registerTreeChangeListener(YANG_INSTANCE_IDENTIFIER, domDataTreeChangeListener);
 120     }
 121
 122     public AbstractDOMShardTreeChangePublisherTest() {
 123         super(DATA_TREE, YANG_INSTANCE_IDENTIFIER, CHILD_SHARDS);
 124     }
 125
 126     private AbstractDOMShardTreeChangePublisherTest(
 127             final Map<DOMDataTreeIdentifier, ChildShardContext> childShardContextMap) {
 128         super(DATA_TREE, YANG_INSTANCE_IDENTIFIER, childShardContextMap);
 129     }
 130
 131     @Override
 132     protected void notifyListener(AbstractDOMDataTreeChangeListenerRegistration<?> registration,
 133             Collection<DataTreeCandidate> changes) {
 134         // NOOP
 135     }
 136
 137     @Override
 138     protected void registrationRemoved(@Nonnull final AbstractDOMDataTreeChangeListenerRegistration<?> registration) {
 139         // NOOP
 140     }
 141
 142     @After
 143     public void reset() {
 144         resetMocks();
 145     }
 146 }