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 akka.actor.ActorRef;
  11 import akka.actor.DeadLetter;
  12 import akka.actor.Props;
  13 import akka.testkit.JavaTestKit;
  14 import com.google.common.collect.ImmutableList;
  15 import org.junit.Assert;
  16 import org.junit.Test;
  17 import org.mockito.Matchers;
  18 import org.mockito.Mockito;
  19 import org.opendaylight.controller.cluster.datastore.messages.DataTreeChanged;
  20 import org.opendaylight.controller.cluster.datastore.messages.DataTreeChangedReply;
  21 import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
  22 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
  23 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  24
  25 public class DataTreeChangeListenerActorTest extends AbstractActorTest {
  26
  27     @Test
  28     public void testDataChangedWhenNotificationsAreEnabled() {
  29         new JavaTestKit(getSystem()) {
  30             {
  31                 final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  32                 final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  33                 final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  34                 final Props props = DataTreeChangeListenerActor.props(mockListener);
  35                 final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedNotificationsEnabled");
  36
  37                 // Let the DataChangeListener know that notifications should be
  38                 // enabled
  39                 subject.tell(new EnableNotification(true), getRef());
  40
  41                 subject.tell(new DataTreeChanged(mockCandidates), getRef());
  42
  43                 expectMsgClass(DataTreeChangedReply.class);
  44
  45                 Mockito.verify(mockListener).onDataTreeChanged(mockCandidates);
  46             }
  47         };
  48     }
  49
  50     @Test
  51     public void testDataChangedWhenNotificationsAreDisabled() {
  52         new JavaTestKit(getSystem()) {
  53             {
  54                 final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  55                 final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  56                 final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  57                 final Props props = DataTreeChangeListenerActor.props(mockListener);
  58                 final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedNotificationsDisabled");
  59
  60                 subject.tell(new DataTreeChanged(mockCandidates), getRef());
  61
  62                 new Within(duration("1 seconds")) {
  63                     @Override
  64                     protected void run() {
  65                         expectNoMsg();
  66
  67                         Mockito.verify(mockListener, Mockito.never())
  68                                 .onDataTreeChanged(Matchers.anyCollectionOf(DataTreeCandidate.class));
  69                     }
  70                 };
  71             }
  72         };
  73     }
  74
  75     @Test
  76     public void testDataChangedWithNoSender() {
  77         new JavaTestKit(getSystem()) {
  78             {
  79                 final DataTreeCandidate mockTreeCandidate = Mockito.mock(DataTreeCandidate.class);
  80                 final ImmutableList<DataTreeCandidate> mockCandidates = ImmutableList.of(mockTreeCandidate);
  81                 final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
  82                 final Props props = DataTreeChangeListenerActor.props(mockListener);
  83                 final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedWithNoSender");
  84
  85                 getSystem().eventStream().subscribe(getRef(), DeadLetter.class);
  86
  87                 subject.tell(new DataTreeChanged(mockCandidates), ActorRef.noSender());
  88
  89                 // Make sure no DataChangedReply is sent to DeadLetters.
  90                 while (true) {
  91                     DeadLetter deadLetter;
  92                     try {
  93                         deadLetter = expectMsgClass(duration("1 seconds"), DeadLetter.class);
  94                     } catch (AssertionError e) {
  95                         // Timed out - got no DeadLetter - this is good
  96                         break;
  97                     }
  98
  99                     // We may get DeadLetters for other messages we don't care
 100                     // about.
 101                     Assert.assertFalse("Unexpected DataTreeChangedReply",
 102                             deadLetter.message() instanceof DataTreeChangedReply);
 103                 }
 104             }
 105         };
 106     }
 107
 108     @Test
 109     public void testDataChangedWithListenerRuntimeEx() {
 110         new JavaTestKit(getSystem()) {
 111             {
 112                 final DataTreeCandidate mockTreeCandidate1 = Mockito.mock(DataTreeCandidate.class);
 113                 final ImmutableList<DataTreeCandidate> mockCandidates1 = ImmutableList.of(mockTreeCandidate1);
 114                 final DataTreeCandidate mockTreeCandidate2 = Mockito.mock(DataTreeCandidate.class);
 115                 final ImmutableList<DataTreeCandidate> mockCandidates2 = ImmutableList.of(mockTreeCandidate2);
 116                 final DataTreeCandidate mockTreeCandidate3 = Mockito.mock(DataTreeCandidate.class);
 117                 final ImmutableList<DataTreeCandidate> mockCandidates3 = ImmutableList.of(mockTreeCandidate3);
 118
 119                 final DOMDataTreeChangeListener mockListener = Mockito.mock(DOMDataTreeChangeListener.class);
 120                 Mockito.doThrow(new RuntimeException("mock")).when(mockListener).onDataTreeChanged(mockCandidates2);
 121
 122                 Props props = DataTreeChangeListenerActor.props(mockListener);
 123                 ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedWithListenerRuntimeEx");
 124
 125                 // Let the DataChangeListener know that notifications should be
 126                 // enabled
 127                 subject.tell(new EnableNotification(true), getRef());
 128
 129                 subject.tell(new DataTreeChanged(mockCandidates1), getRef());
 130                 expectMsgClass(DataTreeChangedReply.class);
 131
 132                 subject.tell(new DataTreeChanged(mockCandidates2), getRef());
 133                 expectMsgClass(DataTreeChangedReply.class);
 134
 135                 subject.tell(new DataTreeChanged(mockCandidates3), getRef());
 136                 expectMsgClass(DataTreeChangedReply.class);
 137
 138                 Mockito.verify(mockListener).onDataTreeChanged(mockCandidates1);
 139                 Mockito.verify(mockListener).onDataTreeChanged(mockCandidates2);
 140                 Mockito.verify(mockListener).onDataTreeChanged(mockCandidates3);
 141             }
 142         };
 143     }
 144 }