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