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