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 org.junit.Before;
  23 import org.junit.Test;
  24 import org.mockito.ArgumentCaptor;
  25 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
  26 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
  27 import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
  28 import org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStore;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  31 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  32 import org.opendaylight.yangtools.yang.data.spi.node.ImmutableNodes;
  33 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
  34
  35 public class DOMDataTreeChangeListenerTest extends AbstractDatastoreTest {
  36
  37     private InMemoryDOMDataStore domStore;
  38
  39     @Before
  40     public void setUp() {
  41         domStore = new InMemoryDOMDataStore("Mdsal217", MoreExecutors.newDirectExecutorService());
  42         domStore.onModelContextUpdated(SCHEMA_CONTEXT);
  43     }
  44
  45     @Test
  46     public void receiveOnDataInitialEventForEmptyRoot() throws Exception {
  47         final DOMDataTreeChangeListener listener = mock(DOMDataTreeChangeListener.class);
  48         doNothing().when(listener).onInitialData();
  49
  50         domStore.registerTreeChangeListener(YangInstanceIdentifier.of(), listener);
  51         verify(listener, timeout(1000)).onInitialData();
  52     }
  53
  54     @Test
  55     public void receiveOnDataInitialEventForNonExistingData() throws Exception {
  56         final DOMDataTreeChangeListener listener = mock(DOMDataTreeChangeListener.class);
  57         final var candidateCapture = ArgumentCaptor.forClass(List.class);
  58         doNothing().when(listener).onInitialData();
  59         doNothing().when(listener).onDataTreeChanged(any());
  60
  61         domStore.registerTreeChangeListener(TestModel.TEST_PATH, listener);
  62         verify(listener, times(1)).onInitialData();
  63
  64         final var testNode = ImmutableNodes.newContainerBuilder()
  65             .withNodeIdentifier(new NodeIdentifier(TestModel.TEST_QNAME))
  66             .build();
  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 Exception {
  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 var testNode = ImmutableNodes.newContainerBuilder()
  86             .withNodeIdentifier(new NodeIdentifier(TestModel.TEST_QNAME))
  87             .build();
  88
  89         DOMStoreReadWriteTransaction writeTx = domStore.newReadWriteTransaction();
  90         assertNotNull(writeTx);
  91         writeTx.write(TestModel.TEST_PATH, testNode);
  92         DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
  93         cohort.preCommit().get();
  94         cohort.commit().get();
  95
  96         domStore.registerTreeChangeListener(TestModel.TEST_PATH, listener);
  97
  98         verify(listener, timeout(1000)).onDataTreeChanged(candidateCapture.capture());
  99         final DataTreeCandidate candidate = (DataTreeCandidate) Iterables.getOnlyElement(candidateCapture.getValue());
 100         assertEquals(TestModel.TEST_PATH, candidate.getRootPath());
 101     }
 102
 103     @Test
 104     public void receiveOnDataTreeChangeEventForPreExistingData() throws Exception {
 105         final DOMDataTreeChangeListener listener = mock(DOMDataTreeChangeListener.class);
 106         final ArgumentCaptor<List> candidateCapture = ArgumentCaptor.forClass(List.class);
 107         doNothing().when(listener).onDataTreeChanged(any());
 108
 109         final ContainerNode testNode = ImmutableNodes.newContainerBuilder()
 110             .withNodeIdentifier(new NodeIdentifier(TestModel.TEST_QNAME))
 111             .addChild(ImmutableNodes.newSystemMapBuilder()
 112                 .withNodeIdentifier(new NodeIdentifier(TestModel.OUTER_LIST_QNAME))
 113                 .addChild(TestUtils.mapEntry(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1))
 114                 .build())
 115             .build();
 116         DOMStoreReadWriteTransaction writeTx = domStore.newReadWriteTransaction();
 117         assertNotNull(writeTx);
 118         writeTx.write(TestModel.TEST_PATH, testNode);
 119         DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
 120         cohort.preCommit().get();
 121         cohort.commit().get();
 122
 123         domStore.registerTreeChangeListener(TestModel.TEST_PATH, listener);
 124
 125         verify(listener, timeout(1000)).onDataTreeChanged(candidateCapture.capture());
 126         final DataTreeCandidate firstItem = (DataTreeCandidate) candidateCapture.getValue().iterator().next();
 127         assertEquals(TestModel.TEST_PATH, firstItem.getRootPath());
 128     }
 129 }