2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.apex.apps.uservice.test.adapt.kafka;
23 import static org.junit.Assert.assertTrue;
25 import java.io.IOException;
26 import java.nio.file.Files;
27 import java.util.Properties;
29 import org.I0Itec.zkclient.ZkClient;
30 import org.apache.kafka.common.utils.MockTime;
31 import org.apache.kafka.common.utils.Time;
32 import org.junit.AfterClass;
33 import org.junit.BeforeClass;
34 import org.junit.Test;
35 import org.onap.policy.apex.core.infrastructure.messaging.MessagingException;
36 import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
37 import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
38 import org.onap.policy.apex.service.engine.main.ApexMain;
40 import kafka.admin.AdminUtils;
41 import kafka.admin.RackAwareMode;
42 import kafka.server.KafkaConfig;
43 import kafka.server.KafkaServer;
44 import kafka.utils.TestUtils;
45 import kafka.utils.ZKStringSerializer$;
46 import kafka.utils.ZkUtils;
47 import kafka.zk.EmbeddedZookeeper;
50 public class TestKafka2Kafka {
51 // The method of starting an embedded Kafka server used in this example is based on the method
53 // https://github.com/asmaier/mini-kafka
55 private static final long MAX_TEST_LENGTH = 10000;
57 private static final int EVENT_COUNT = 100;
58 private static final int EVENT_INTERVAL = 20;
60 private static final String ZKHOST = "127.0.0.1";
61 private static final String BROKERHOST = "127.0.0.1";
62 private static final String BROKERPORT = "39902";
64 private static EmbeddedZookeeper zkServer;
65 private static ZkClient zkClient;
66 private static KafkaServer kafkaServer;
69 public static void setupDummyKafkaServer() throws IOException {
71 zkServer = new EmbeddedZookeeper();
72 final String zkConnect = ZKHOST + ":" + zkServer.port();
73 zkClient = new ZkClient(zkConnect, 30000, 30000, ZKStringSerializer$.MODULE$);
74 final ZkUtils zkUtils = ZkUtils.apply(zkClient, false);
77 final Properties brokerProps = new Properties();
78 brokerProps.setProperty("zookeeper.connect", zkConnect);
79 brokerProps.setProperty("broker.id", "0");
80 brokerProps.setProperty("log.dirs", Files.createTempDirectory("kafka-").toAbsolutePath().toString());
81 brokerProps.setProperty("listeners", "PLAINTEXT://" + BROKERHOST + ":" + BROKERPORT);
82 final KafkaConfig config = new KafkaConfig(brokerProps);
83 final Time mock = new MockTime();
84 kafkaServer = TestUtils.createServer(config, mock);
87 AdminUtils.createTopic(zkUtils, "apex-in-0", 1, 1, new Properties(), RackAwareMode.Disabled$.MODULE$);
88 AdminUtils.createTopic(zkUtils, "apex-in-1", 1, 1, new Properties(), RackAwareMode.Disabled$.MODULE$);
89 AdminUtils.createTopic(zkUtils, "apex-out", 1, 1, new Properties(), RackAwareMode.Disabled$.MODULE$);
93 public static void shutdownDummyKafkaServer() throws IOException {
94 kafkaServer.shutdown();
100 public void testJsonKafkaEvents() throws MessagingException, ApexException {
101 final String[] args = {"src/test/resources/prodcons/Kafka2KafkaJsonEvent.json"};
102 testKafkaEvents(args, false, "json");
106 public void testXMLKafkaEvents() throws MessagingException, ApexException {
107 final String[] args = {"src/test/resources/prodcons/Kafka2KafkaXmlEvent.json"};
108 testKafkaEvents(args, true, "xml");
111 private void testKafkaEvents(final String[] args, final Boolean xmlEvents, final String topicSuffix)
112 throws MessagingException, ApexException {
113 final KafkaEventSubscriber subscriber =
114 new KafkaEventSubscriber("apex-out-" + topicSuffix, "localhost:" + BROKERPORT);
115 final KafkaEventProducer producer = new KafkaEventProducer("apex-in-" + topicSuffix, "localhost:" + BROKERPORT,
116 EVENT_COUNT, xmlEvents, EVENT_INTERVAL);
118 final ApexMain apexMain = new ApexMain(args);
119 ThreadUtilities.sleep(3000);
121 producer.sendEvents();
123 final long testStartTime = System.currentTimeMillis();
125 while (System.currentTimeMillis() < testStartTime + MAX_TEST_LENGTH
126 && subscriber.getEventsReceivedCount() < EVENT_COUNT) {
127 ThreadUtilities.sleep(EVENT_INTERVAL);
130 ThreadUtilities.sleep(1000);
132 System.out.println("sent event count: " + producer.getEventsSentCount());
133 System.out.println("received event count: " + subscriber.getEventsReceivedCount());
134 assertTrue(subscriber.getEventsReceivedCount() == producer.getEventsSentCount());
137 subscriber.shutdown();
139 ThreadUtilities.sleep(1000);