nbinotifications/src/test/java/org/opendaylight/transportpce/nbinotifications/consumer/SubscriberTest.java

   1 /*
   2  * Copyright © 2020 Orange, 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.transportpce.nbinotifications.consumer;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertTrue;
  12
  13 import java.util.Collections;
  14 import java.util.HashMap;
  15 import java.util.List;
  16 import java.util.Map;
  17 import org.apache.kafka.clients.consumer.ConsumerRecord;
  18 import org.apache.kafka.clients.consumer.MockConsumer;
  19 import org.apache.kafka.clients.consumer.OffsetResetStrategy;
  20 import org.apache.kafka.common.TopicPartition;
  21 import org.junit.Before;
  22 import org.junit.Test;
  23 import org.opendaylight.transportpce.nbinotifications.utils.NotificationServiceDataUtils;
  24 import org.opendaylight.transportpce.test.AbstractTest;
  25 import org.opendaylight.yang.gen.v1.nbi.notifications.rev211013.NotificationAlarmService;
  26 import org.opendaylight.yang.gen.v1.nbi.notifications.rev211013.NotificationProcessService;
  27 import org.opendaylight.yang.gen.v1.nbi.notifications.rev211013.get.notifications.alarm.service.output.NotificationsAlarmService;
  28 import org.opendaylight.yang.gen.v1.nbi.notifications.rev211013.get.notifications.process.service.output.NotificationsProcessService;
  29
  30 public class SubscriberTest extends AbstractTest {
  31     private static final String TOPIC = "topic";
  32     private static final int PARTITION = 0;
  33     private MockConsumer<String, NotificationsProcessService> mockConsumer;
  34     private MockConsumer<String, NotificationsAlarmService> mockConsumerAlarm;
  35     private Subscriber<NotificationProcessService, NotificationsProcessService> subscriberService;
  36     private Subscriber<NotificationAlarmService, NotificationsAlarmService> subscriberAlarmService;
  37
  38     @Before
  39     public void setUp() {
  40         mockConsumer = new MockConsumer<>(OffsetResetStrategy.EARLIEST);
  41         mockConsumerAlarm = new MockConsumer<>(OffsetResetStrategy.EARLIEST);
  42         subscriberService = new Subscriber<>(mockConsumer);
  43         subscriberAlarmService = new Subscriber<>(mockConsumerAlarm);
  44     }
  45
  46     @Test
  47     public void subscribeServiceShouldBeSuccessful() {
  48         // from https://www.baeldung.com/kafka-mockconsumer
  49         ConsumerRecord<String, NotificationsProcessService> record = new ConsumerRecord<>(
  50                 TOPIC, PARTITION, 0L, "key", NotificationServiceDataUtils.buildReceivedEvent());
  51         mockConsumer.schedulePollTask(() -> {
  52             mockConsumer.rebalance(Collections.singletonList(new TopicPartition(TOPIC, PARTITION)));
  53             mockConsumer.addRecord(record);
  54         });
  55
  56         Map<TopicPartition, Long> startOffsets = new HashMap<>();
  57         TopicPartition tp = new TopicPartition(TOPIC, PARTITION);
  58         startOffsets.put(tp, 0L);
  59         mockConsumer.updateBeginningOffsets(startOffsets);
  60         List<NotificationsProcessService> result = subscriberService.subscribe(TOPIC,
  61                 NotificationsProcessService.QNAME);
  62         assertEquals("There should be 1 record", 1, result.size());
  63         assertTrue("Consumer should be closed", mockConsumer.closed());
  64     }
  65
  66     @Test
  67     public void subscribeAlarmShouldBeSuccessful() {
  68         // from https://www.baeldung.com/kafka-mockconsumer
  69         ConsumerRecord<String, NotificationsAlarmService> record = new ConsumerRecord<>(
  70                 TOPIC, PARTITION, 0L, "key", NotificationServiceDataUtils.buildReceivedAlarmEvent());
  71         mockConsumerAlarm.schedulePollTask(() -> {
  72             mockConsumerAlarm.rebalance(Collections.singletonList(new TopicPartition(TOPIC, PARTITION)));
  73             mockConsumerAlarm.addRecord(record);
  74         });
  75
  76         Map<TopicPartition, Long> startOffsets = new HashMap<>();
  77         TopicPartition tp = new TopicPartition(TOPIC, PARTITION);
  78         startOffsets.put(tp, 0L);
  79         mockConsumerAlarm.updateBeginningOffsets(startOffsets);
  80         List<NotificationsAlarmService> result = subscriberAlarmService.subscribe(TOPIC,
  81                 NotificationsAlarmService.QNAME);
  82         assertEquals("There should be 1 record", 1, result.size());
  83         assertTrue("Consumer should be closed", mockConsumerAlarm.closed());
  84     }
  85 }