dom/mdsal-dom-broker/src/test/java/org/opendaylight/mdsal/dom/broker/DOMDataTreeChangeListenerTest.java

   1 /*
   2  * Copyright (c) 2018 ZTE, 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.broker;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertNotNull;
  12 import static org.mockito.ArgumentMatchers.any;
  13 import static org.mockito.Mockito.doNothing;
  14 import static org.mockito.Mockito.mock;
  15 import static org.mockito.Mockito.timeout;
  16 import static org.mockito.Mockito.times;
  17 import static org.mockito.Mockito.verify;
  18
  19 import com.google.common.collect.Iterables;
  20 import com.google.common.util.concurrent.MoreExecutors;
  21 import java.util.Collection;
  22 import java.util.concurrent.ExecutionException;
  23 import org.junit.Before;
  24 import org.junit.Test;
  25 import org.mockito.ArgumentCaptor;
  26 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
  27 import org.opendaylight.mdsal.dom.broker.util.TestModel;
  28 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
  29 import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
  30 import org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStore;
  31 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  32 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  34 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  35 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  36 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  37
  38 public class DOMDataTreeChangeListenerTest extends AbstractDatastoreTest {
  39
  40     private InMemoryDOMDataStore domStore;
  41
  42     @Before
  43     public void setUp() {
  44         domStore = new InMemoryDOMDataStore("Mdsal217", MoreExecutors.newDirectExecutorService());
  45         domStore.onModelContextUpdated(SCHEMA_CONTEXT);
  46     }
  47
  48     @Test
  49     public void receiveOnDataInitialEventForEmptyRoot() throws InterruptedException, ExecutionException {
  50         final DOMDataTreeChangeListener listener = mock(DOMDataTreeChangeListener.class);
  51         doNothing().when(listener).onInitialData();
  52
  53         domStore.registerTreeChangeListener(YangInstanceIdentifier.empty(), listener);
  54         verify(listener, timeout(1000)).onInitialData();
  55     }
  56
  57     @Test
  58     public void receiveOnDataInitialEventForNonExistingData() throws InterruptedException, ExecutionException {
  59         final DOMDataTreeChangeListener listener = mock(DOMDataTreeChangeListener.class);
  60         final ArgumentCaptor<Collection> candidateCapture = ArgumentCaptor.forClass(Collection.class);
  61         doNothing().when(listener).onInitialData();
  62         doNothing().when(listener).onDataTreeChanged(any());
  63
  64         domStore.registerTreeChangeListener(TestModel.TEST_PATH, listener);
  65         verify(listener, times(1)).onInitialData();
  66
  67         final NormalizedNode<?, ?> testNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
  68         DOMStoreReadWriteTransaction writeTx = domStore.newReadWriteTransaction();
  69         assertNotNull(writeTx);
  70         writeTx.write(TestModel.TEST_PATH, testNode);
  71         DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
  72         cohort.preCommit().get();
  73         cohort.commit().get();
  74
  75         verify(listener, timeout(1000)).onDataTreeChanged(candidateCapture.capture());
  76         final DataTreeCandidate candidate = (DataTreeCandidate) Iterables.getOnlyElement(candidateCapture.getValue());
  77         assertEquals(TestModel.TEST_PATH, candidate.getRootPath());
  78     }
  79
  80     @Test
  81     public void receiveOnDataTreeChangedEventForPreExistingEmptyData() throws InterruptedException, ExecutionException {
  82         final DOMDataTreeChangeListener listener = mock(DOMDataTreeChangeListener.class);
  83         final ArgumentCaptor<Collection> candidateCapture = ArgumentCaptor.forClass(Collection.class);
  84         doNothing().when(listener).onDataTreeChanged(any());
  85
  86         final NormalizedNode<?, ?> testNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
  87
  88         DOMStoreReadWriteTransaction writeTx = domStore.newReadWriteTransaction();
  89         assertNotNull(writeTx);
  90         writeTx.write(TestModel.TEST_PATH, testNode);
  91         DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
  92         cohort.preCommit().get();
  93         cohort.commit().get();
  94
  95         domStore.registerTreeChangeListener(TestModel.TEST_PATH, listener);
  96
  97         verify(listener, timeout(1000)).onDataTreeChanged(candidateCapture.capture());
  98         final DataTreeCandidate candidate = (DataTreeCandidate) Iterables.getOnlyElement(candidateCapture.getValue());
  99         assertEquals(TestModel.TEST_PATH, candidate.getRootPath());
 100     }
 101
 102     @Test
 103     public void receiveOnDataTreeChangeEventForPreExistingData() throws InterruptedException, ExecutionException {
 104         final DOMDataTreeChangeListener listener = mock(DOMDataTreeChangeListener.class);
 105         final ArgumentCaptor<Collection> candidateCapture = ArgumentCaptor.forClass(Collection.class);
 106         doNothing().when(listener).onDataTreeChanged(any());
 107
 108         final ContainerNode testNode = ImmutableContainerNodeBuilder.create()
 109                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
 110                 .addChild(ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME)
 111                         .addChild(ImmutableNodes.mapEntry(TestModel.OUTER_LIST_QNAME,
 112                                 TestModel.ID_QNAME, 1)).build()).build();
 113         DOMStoreReadWriteTransaction writeTx = domStore.newReadWriteTransaction();
 114         assertNotNull(writeTx);
 115         writeTx.write(TestModel.TEST_PATH, testNode);
 116         DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
 117         cohort.preCommit().get();
 118         cohort.commit().get();
 119
 120         domStore.registerTreeChangeListener(TestModel.TEST_PATH, listener);
 121
 122         verify(listener, timeout(1000)).onDataTreeChanged(candidateCapture.capture());
 123         final DataTreeCandidate firstItem = (DataTreeCandidate) candidateCapture.getValue().iterator().next();
 124         assertEquals(TestModel.TEST_PATH, firstItem.getRootPath());
 125     }
 126 }