opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/DataTreeChangeListenerActorTest.java

   1 /*
   2  * Copyright (c) 2015 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.controller.cluster.datastore;
   9
  10 import static org.opendaylight.controller.md.cluster.datastore.model.TestModel.TEST_PATH;
  11
  12 import akka.actor.ActorRef;
  13 import akka.actor.DeadLetter;
  14 import akka.actor.Props;
  15 import akka.testkit.JavaTestKit;
  16 import com.google.common.collect.ImmutableList;
  17 import org.junit.Assert;
  18 import org.junit.Test;
  19 import org.mockito.Matchers;
  20 import org.mockito.Mockito;
  21 import org.opendaylight.controller.cluster.datastore.messages.DataTreeChanged;
  22 import org.opendaylight.controller.cluster.datastore.messages.DataTreeChangedReply;
  23 import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
  24 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
  25 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  26
  27 public class DataTreeChangeListenerActorTest extends AbstractActorTest {
  28
  29     @Test
  30     public void testDataChangedWhenNotificationsAreEnabled(){
  31         new JavaTestKit(getSystem()) {{
  32             final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  33             final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  34             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  35             final Props props = DataTreeChangeListenerActor.props(mockListener, TEST_PATH);
  36             final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedNotificationsEnabled");
  37
  38             // Let the DataChangeListener know that notifications should be enabled
  39             subject.tell(new EnableNotification(true), getRef());
  40
  41             subject.tell(new DataTreeChanged(mockCandidates),
  42                     getRef());
  43
  44             expectMsgClass(DataTreeChangedReply.class);
  45
  46             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates);
  47         }};
  48     }
  49
  50     @Test
  51     public void testDataChangedWhenNotificationsAreDisabled(){
  52         new JavaTestKit(getSystem()) {{
  53             final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  54             final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  55             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  56             final Props props = DataTreeChangeListenerActor.props(mockListener, TEST_PATH);
  57             final ActorRef subject =
  58                     getSystem().actorOf(props, "testDataTreeChangedNotificationsDisabled");
  59
  60             subject.tell(new DataTreeChanged(mockCandidates),
  61                     getRef());
  62
  63             new Within(duration("1 seconds")) {
  64                 @Override
  65                 protected void run() {
  66                     expectNoMsg();
  67
  68                     Mockito.verify(mockListener, Mockito.never()).onDataTreeChanged(
  69                             Matchers.anyCollectionOf(DataTreeCandidate.class));
  70                 }
  71             };
  72         }};
  73     }
  74
  75     @Test
  76     public void testDataChangedWithNoSender(){
  77         new JavaTestKit(getSystem()) {{
  78             final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  79             final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  80             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  81             final Props props = DataTreeChangeListenerActor.props(mockListener, TEST_PATH);
  82             final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedWithNoSender");
  83
  84             getSystem().eventStream().subscribe(getRef(), DeadLetter.class);
  85
  86             subject.tell(new DataTreeChanged(mockCandidates), ActorRef.noSender());
  87
  88             // Make sure no DataChangedReply is sent to DeadLetters.
  89             while(true) {
  90                 DeadLetter deadLetter;
  91                 try {
  92                     deadLetter = expectMsgClass(duration("1 seconds"), DeadLetter.class);
  93                 } catch (AssertionError e) {
  94                     // Timed out - got no DeadLetter - this is good
  95                     break;
  96                 }
  97
  98                 // We may get DeadLetters for other messages we don't care about.
  99                 Assert.assertFalse("Unexpected DataTreeChangedReply",
 100                         deadLetter.message() instanceof DataTreeChangedReply);
 101             }
 102         }};
 103     }
 104
 105     @Test
 106     public void testDataChangedWithListenerRuntimeEx(){
 107         new JavaTestKit(getSystem()) {{
 108             final DataTreeCandidate mockTreeCandidate1 = Mockito.mock(DataTreeCandidate.class);
 109             final ImmutableList<DataTreeCandidate> mockCandidates1 = ImmutableList.of(mockTreeCandidate1);
 110             final DataTreeCandidate mockTreeCandidate2 = Mockito.mock(DataTreeCandidate.class);
 111             final ImmutableList<DataTreeCandidate> mockCandidates2 = ImmutableList.of(mockTreeCandidate2);
 112             final DataTreeCandidate mockTreeCandidate3 = Mockito.mock(DataTreeCandidate.class);
 113             final ImmutableList<DataTreeCandidate> mockCandidates3 = ImmutableList.of(mockTreeCandidate3);
 114
 115             final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
 116             Mockito.doThrow(new RuntimeException("mock")).when(mockListener).onDataTreeChanged(mockCandidates2);
 117
 118             Props props = DataTreeChangeListenerActor.props(mockListener, TEST_PATH);
 119             ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedWithListenerRuntimeEx");
 120
 121             // Let the DataChangeListener know that notifications should be enabled
 122             subject.tell(new EnableNotification(true), getRef());
 123
 124             subject.tell(new DataTreeChanged(mockCandidates1),getRef());
 125             expectMsgClass(DataTreeChangedReply.class);
 126
 127             subject.tell(new DataTreeChanged(mockCandidates2),getRef());
 128             expectMsgClass(DataTreeChangedReply.class);
 129
 130             subject.tell(new DataTreeChanged(mockCandidates3),getRef());
 131             expectMsgClass(DataTreeChangedReply.class);
 132
 133             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates1);
 134             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates2);
 135             Mockito.verify(mockListener).onDataTreeChanged(mockCandidates3);
 136         }};
 137     }
 138 }