opendaylight/md-sal/sal-binding-broker/src/test/java/org/opendaylight/controller/md/sal/binding/impl/test/BackwardsCompatibleNotificationBrokerTest.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.md.sal.binding.impl.test;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertTrue;
  12
  13 import com.google.common.collect.ImmutableList;
  14 import java.util.ArrayList;
  15 import java.util.List;
  16 import java.util.concurrent.CountDownLatch;
  17 import java.util.concurrent.TimeUnit;
  18 import org.junit.Before;
  19 import org.junit.Test;
  20 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
  21 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  22 import org.opendaylight.controller.md.sal.binding.compat.HeliumNotificationProviderServiceAdapter;
  23 import org.opendaylight.controller.md.sal.binding.test.AbstractNotificationBrokerTest;
  24 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.OpendaylightMdsalListTestListener;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.TwoLevelListChanged;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.TwoLevelListChangedBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelListBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelListKey;
  30 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  31 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  32
  33 public class BackwardsCompatibleNotificationBrokerTest extends AbstractNotificationBrokerTest {
  34
  35     private NotificationProviderService notificationProviderService;
  36
  37     @Before
  38     public void initTest() {
  39         final NotificationService notificationService = getNotificationService();
  40         final NotificationPublishService notificationPublishService = getNotificationPublishService();
  41         notificationProviderService = new HeliumNotificationProviderServiceAdapter(notificationPublishService,
  42                 notificationService);
  43     }
  44
  45     private TwoLevelListChanged createTestData() {
  46         final TwoLevelListChangedBuilder tb = new TwoLevelListChangedBuilder();
  47         tb.setTopLevelList(ImmutableList.of(new TopLevelListBuilder().withKey(new TopLevelListKey("test")).build()));
  48         return tb.build();
  49     }
  50
  51     @Test
  52     public void testNotifSubscriptionForwarded() throws InterruptedException {
  53         final CountDownLatch latch = new CountDownLatch(1);
  54         final TwoLevelListChanged testData = createTestData();
  55
  56         final NotifTestListenerChild testNotifListener = new NotifTestListenerChild(latch);
  57         final ListenerRegistration<NotificationListener> listenerRegistration =
  58                 notificationProviderService.registerNotificationListener(testNotifListener);
  59         notificationProviderService.publish(testData);
  60
  61         latch.await(500L, TimeUnit.MILLISECONDS);
  62         assertTrue(testNotifListener.getReceivedNotifications().size() == 1);
  63         assertEquals(testData, testNotifListener.getReceivedNotifications().get(0));
  64         listenerRegistration.close();
  65     }
  66
  67     private static class NotifTestListenerChild extends  NotifTestListener {
  68
  69         NotifTestListenerChild(final CountDownLatch latch) {
  70             super(latch);
  71         }
  72     }
  73
  74     private static class NotifTestListener implements OpendaylightMdsalListTestListener {
  75         private final List<TwoLevelListChanged> receivedNotifications = new ArrayList<>();
  76         private final CountDownLatch latch;
  77
  78         NotifTestListener(final CountDownLatch latch) {
  79             this.latch = latch;
  80         }
  81
  82         @Override
  83         public void onTwoLevelListChanged(final TwoLevelListChanged notification) {
  84             receivedNotifications.add(notification);
  85             latch.countDown();
  86         }
  87
  88         public List<TwoLevelListChanged> getReceivedNotifications() {
  89             return receivedNotifications;
  90         }
  91     }
  92 }