netconf/messagebus-netconf/src/test/java/org/opendaylight/netconf/messagebus/eventsources/netconf/ConnectionNotificationTopicRegistrationTest.java

   1 /*
   2  * Copyright (c) 2016 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
   9 package org.opendaylight.netconf.messagebus.eventsources.netconf;
  10
  11 import static org.hamcrest.CoreMatchers.hasItems;
  12 import static org.mockito.Mockito.verify;
  13
  14 import java.util.Collection;
  15 import java.util.Set;
  16 import javax.xml.transform.dom.DOMSource;
  17 import org.junit.Assert;
  18 import org.junit.Before;
  19 import org.junit.Test;
  20 import org.mockito.ArgumentCaptor;
  21 import org.mockito.Mock;
  22 import org.mockito.MockitoAnnotations;
  23 import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
  24 import org.opendaylight.controller.md.sal.dom.api.DOMNotificationListener;
  25 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.TopicId;
  26 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.EventSourceStatus;
  27 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  28 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  29
  30 public class ConnectionNotificationTopicRegistrationTest {
  31
  32     private ConnectionNotificationTopicRegistration registration;
  33
  34     @Mock
  35     private DOMNotificationListener listener;
  36
  37     @Before
  38     public void setUp() throws Exception {
  39         MockitoAnnotations.initMocks(this);
  40         registration = new ConnectionNotificationTopicRegistration("candidate", listener);
  41     }
  42
  43     @Test
  44     public void testClose() throws Exception {
  45         registration.setActive(true);
  46         registration.close();
  47         Assert.assertFalse(registration.isActive());
  48         checkStatus(listener, EventSourceStatus.Deactive);
  49     }
  50
  51     @Test
  52     public void testActivateNotificationSource() throws Exception {
  53         registration.activateNotificationSource();
  54         checkStatus(listener, EventSourceStatus.Active);
  55     }
  56
  57     @Test
  58     public void testDeActivateNotificationSource() throws Exception {
  59         registration.deActivateNotificationSource();
  60         checkStatus(listener, EventSourceStatus.Inactive);
  61     }
  62
  63     @Test
  64     public void testReActivateNotificationSource() throws Exception {
  65         registration.reActivateNotificationSource();
  66         checkStatus(listener, EventSourceStatus.Active);
  67     }
  68
  69     @Test
  70     public void testRegisterAndUnregisterNotificationTopic() throws Exception {
  71         final TopicId topic1 = registerTopic("topic1");
  72         final TopicId topic2 = registerTopic("topic2");
  73         final TopicId topic3 = registerTopic("topic3");
  74         final Set<TopicId> notificationTopicIds = registration.getTopicsForNotification(ConnectionNotificationTopicRegistration.EVENT_SOURCE_STATUS_PATH);
  75         Assert.assertNotNull(notificationTopicIds);
  76         Assert.assertThat(notificationTopicIds, hasItems(topic1, topic2, topic3));
  77
  78         registration.unRegisterNotificationTopic(topic3);
  79         final Set<TopicId> afterUnregister = registration.getTopicsForNotification(ConnectionNotificationTopicRegistration.EVENT_SOURCE_STATUS_PATH);
  80         Assert.assertNotNull(afterUnregister);
  81         Assert.assertThat(afterUnregister, hasItems(topic1, topic2));
  82         Assert.assertFalse(afterUnregister.contains(topic3));
  83     }
  84
  85     private TopicId registerTopic(String value) {
  86         final TopicId topic = TopicId.getDefaultInstance(value);
  87         registration.registerNotificationTopic(ConnectionNotificationTopicRegistration.EVENT_SOURCE_STATUS_PATH, topic);
  88         return topic;
  89     }
  90
  91
  92     /**
  93      * Checks status node of notification received by listener.
  94      * @param listener listener
  95      * @param status expected value
  96      */
  97     private static void checkStatus(DOMNotificationListener listener, EventSourceStatus status) {
  98         ArgumentCaptor<DOMNotification> notificationCaptor = ArgumentCaptor.forClass(DOMNotification.class);
  99         verify(listener).onNotification(notificationCaptor.capture());
 100         final DOMNotification value = notificationCaptor.getValue();
 101         Assert.assertEquals(ConnectionNotificationTopicRegistration.EVENT_SOURCE_STATUS_PATH, value.getType());
 102         final Collection<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> body = value.getBody().getValue();
 103         Assert.assertEquals(1, body.size());
 104         final DOMSource source = (DOMSource) body.iterator().next().getValue();
 105         final String statusNodeValue = source.getNode().getFirstChild().getFirstChild().getNodeValue();
 106         Assert.assertEquals(status.toString(), statusNodeValue);
 107     }
 108 }