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.NotificationTapiService;
  28 import org.opendaylight.yang.gen.v1.nbi.notifications.rev211013.get.notifications.alarm.service.output.NotificationsAlarmService;
  29 import org.opendaylight.yang.gen.v1.nbi.notifications.rev211013.get.notifications.process.service.output.NotificationsProcessService;
  30 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev181210.get.notification.list.output.Notification;
  31
  32 public class SubscriberTest extends AbstractTest {
  33     private static final String TOPIC = "topic";
  34     private static final int PARTITION = 0;
  35     private MockConsumer<String, NotificationsProcessService> mockConsumer;
  36     private MockConsumer<String, NotificationsAlarmService> mockConsumerAlarm;
  37     private MockConsumer<String, Notification> mockConsumerTapi;
  38     private Subscriber<NotificationProcessService, NotificationsProcessService> subscriberService;
  39     private Subscriber<NotificationAlarmService, NotificationsAlarmService> subscriberAlarmService;
  40     private Subscriber<NotificationTapiService, Notification> subscriberTapiService;
  41
  42     @Before
  43     public void setUp() {
  44         mockConsumer = new MockConsumer<>(OffsetResetStrategy.EARLIEST);
  45         mockConsumerAlarm = new MockConsumer<>(OffsetResetStrategy.EARLIEST);
  46         mockConsumerTapi = new MockConsumer<>(OffsetResetStrategy.EARLIEST);
  47         subscriberService = new Subscriber<>(mockConsumer);
  48         subscriberAlarmService = new Subscriber<>(mockConsumerAlarm);
  49         subscriberTapiService = new Subscriber<>(mockConsumerTapi);
  50     }
  51
  52     @Test
  53     public void subscribeServiceShouldBeSuccessful() {
  54         // from https://www.baeldung.com/kafka-mockconsumer
  55         ConsumerRecord<String, NotificationsProcessService> record = new ConsumerRecord<>(
  56                 TOPIC, PARTITION, 0L, "key", NotificationServiceDataUtils.buildReceivedEvent());
  57         mockConsumer.schedulePollTask(() -> {
  58             mockConsumer.rebalance(Collections.singletonList(new TopicPartition(TOPIC, PARTITION)));
  59             mockConsumer.addRecord(record);
  60         });
  61
  62         Map<TopicPartition, Long> startOffsets = new HashMap<>();
  63         TopicPartition tp = new TopicPartition(TOPIC, PARTITION);
  64         startOffsets.put(tp, 0L);
  65         mockConsumer.updateBeginningOffsets(startOffsets);
  66         List<NotificationsProcessService> result = subscriberService.subscribe(TOPIC,
  67                 NotificationsProcessService.QNAME);
  68         assertEquals("There should be 1 record", 1, result.size());
  69         assertTrue("Consumer should be closed", mockConsumer.closed());
  70     }
  71
  72     @Test
  73     public void subscribeAlarmShouldBeSuccessful() {
  74         // from https://www.baeldung.com/kafka-mockconsumer
  75         ConsumerRecord<String, NotificationsAlarmService> record = new ConsumerRecord<>(
  76                 TOPIC, PARTITION, 0L, "key", NotificationServiceDataUtils.buildReceivedAlarmEvent());
  77         mockConsumerAlarm.schedulePollTask(() -> {
  78             mockConsumerAlarm.rebalance(Collections.singletonList(new TopicPartition(TOPIC, PARTITION)));
  79             mockConsumerAlarm.addRecord(record);
  80         });
  81
  82         Map<TopicPartition, Long> startOffsets = new HashMap<>();
  83         TopicPartition tp = new TopicPartition(TOPIC, PARTITION);
  84         startOffsets.put(tp, 0L);
  85         mockConsumerAlarm.updateBeginningOffsets(startOffsets);
  86         List<NotificationsAlarmService> result = subscriberAlarmService.subscribe(TOPIC,
  87                 NotificationsAlarmService.QNAME);
  88         assertEquals("There should be 1 record", 1, result.size());
  89         assertTrue("Consumer should be closed", mockConsumerAlarm.closed());
  90     }
  91
  92     @Test
  93     public void subscribeTapiAlarmShouldBeSuccessful() {
  94         // from https://www.baeldung.com/kafka-mockconsumer
  95         ConsumerRecord<String, Notification> record = new ConsumerRecord<>(
  96             TOPIC, PARTITION, 0L, "key", NotificationServiceDataUtils.buildReceivedTapiAlarmEvent());
  97         mockConsumerTapi.schedulePollTask(() -> {
  98             mockConsumerTapi.rebalance(Collections.singletonList(new TopicPartition(TOPIC, PARTITION)));
  99             mockConsumerTapi.addRecord(record);
 100         });
 101
 102         Map<TopicPartition, Long> startOffsets = new HashMap<>();
 103         TopicPartition tp = new TopicPartition(TOPIC, PARTITION);
 104         startOffsets.put(tp, 0L);
 105         mockConsumerTapi.updateBeginningOffsets(startOffsets);
 106         List<Notification> result = subscriberTapiService.subscribe(TOPIC,
 107             NotificationTapiService.QNAME);
 108         assertEquals("There should be 1 record", 1, result.size());
 109         assertTrue("Consumer should be closed", mockConsumerTapi.closed());
 110     }
 111 }