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| 1 | +/** |
| 2 | + * Copyright 2022 IBM Corporation |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | +package com.ibm.eventstreams.connect.mqsink; |
| 17 | + |
| 18 | +import java.util.ArrayList; |
| 19 | +import java.util.List; |
| 20 | +import java.util.concurrent.TimeoutException; |
| 21 | + |
| 22 | +import javax.jms.Connection; |
| 23 | +import javax.jms.Destination; |
| 24 | +import javax.jms.JMSContext; |
| 25 | +import javax.jms.JMSException; |
| 26 | +import javax.jms.Message; |
| 27 | +import javax.jms.MessageConsumer; |
| 28 | +import javax.jms.Session; |
| 29 | + |
| 30 | +import org.junit.ClassRule; |
| 31 | +import org.testcontainers.containers.GenericContainer; |
| 32 | +import org.testcontainers.containers.output.WaitingConsumer; |
| 33 | + |
| 34 | +import com.ibm.mq.jms.MQConnectionFactory; |
| 35 | +import com.ibm.msg.client.jms.JmsConnectionFactory; |
| 36 | +import com.ibm.msg.client.jms.JmsFactoryFactory; |
| 37 | +import com.ibm.msg.client.wmq.WMQConstants; |
| 38 | + |
| 39 | + |
| 40 | +/** |
| 41 | + * Helper class for integration tests that have a dependency on JMSContext. |
| 42 | + * |
| 43 | + * It starts a queue manager in a test container, and uses it to create |
| 44 | + * a JMSContext instance, that can be used in tests. |
| 45 | + */ |
| 46 | +public abstract class AbstractJMSContextIT { |
| 47 | + |
| 48 | + private static final String QMGR_NAME = "MYQMGR"; |
| 49 | + private static final String CHANNEL_NAME = "DEV.APP.SVRCONN"; |
| 50 | + |
| 51 | + @ClassRule |
| 52 | + public static GenericContainer<?> MQ_CONTAINER = new GenericContainer<>("icr.io/ibm-messaging/mq:latest") |
| 53 | + .withEnv("LICENSE", "accept") |
| 54 | + .withEnv("MQ_QMGR_NAME", QMGR_NAME) |
| 55 | + .withEnv("MQ_ENABLE_EMBEDDED_WEB_SERVER", "false") |
| 56 | + .withExposedPorts(1414); |
| 57 | + |
| 58 | + private JMSContext jmsContext; |
| 59 | + |
| 60 | + |
| 61 | + /** |
| 62 | + * Returns a JMS context pointing at a developer queue manager running in a |
| 63 | + * test container. |
| 64 | + */ |
| 65 | + public JMSContext getJmsContext() throws Exception { |
| 66 | + if (jmsContext == null) { |
| 67 | + waitForQueueManagerStartup(); |
| 68 | + |
| 69 | + MQConnectionFactory mqcf = new MQConnectionFactory(); |
| 70 | + mqcf.setTransportType(WMQConstants.WMQ_CM_CLIENT); |
| 71 | + mqcf.setChannel(CHANNEL_NAME); |
| 72 | + mqcf.setQueueManager(QMGR_NAME); |
| 73 | + mqcf.setConnectionNameList(getConnectionName()); |
| 74 | + |
| 75 | + jmsContext = mqcf.createContext(); |
| 76 | + } |
| 77 | + |
| 78 | + return jmsContext; |
| 79 | + } |
| 80 | + |
| 81 | + |
| 82 | + /** |
| 83 | + * Gets the host port that has been mapped to the default MQ 1414 port in the test container. |
| 84 | + */ |
| 85 | + public Integer getMQPort() { |
| 86 | + return MQ_CONTAINER.getMappedPort(1414); |
| 87 | + } |
| 88 | + |
| 89 | + public String getQmgrName() { |
| 90 | + return QMGR_NAME; |
| 91 | + } |
| 92 | + public String getChannelName() { |
| 93 | + return CHANNEL_NAME; |
| 94 | + } |
| 95 | + public String getConnectionName() { |
| 96 | + return "localhost(" + getMQPort().toString() + ")"; |
| 97 | + } |
| 98 | + |
| 99 | + |
| 100 | + /** |
| 101 | + * Waits until we see a log line in the queue manager test container that indicates |
| 102 | + * the queue manager is ready. |
| 103 | + */ |
| 104 | + private void waitForQueueManagerStartup() throws TimeoutException { |
| 105 | + WaitingConsumer logConsumer = new WaitingConsumer(); |
| 106 | + MQ_CONTAINER.followOutput(logConsumer); |
| 107 | + logConsumer.waitUntil(logline -> logline.getUtf8String().contains("AMQ5975I")); |
| 108 | + } |
| 109 | + |
| 110 | + |
| 111 | + /** |
| 112 | + * Retrieves all messages from the specified MQ queue (destructively). Used in |
| 113 | + * tests to verify that the expected messages were put to the test queue. |
| 114 | + */ |
| 115 | + public List<Message> getAllMessagesFromQueue(String queueName) throws JMSException { |
| 116 | + Connection connection = null; |
| 117 | + Session session = null; |
| 118 | + Destination destination = null; |
| 119 | + MessageConsumer consumer = null; |
| 120 | + |
| 121 | + JmsFactoryFactory ff = JmsFactoryFactory.getInstance(WMQConstants.WMQ_PROVIDER); |
| 122 | + |
| 123 | + JmsConnectionFactory cf = ff.createConnectionFactory(); |
| 124 | + cf.setStringProperty(WMQConstants.WMQ_HOST_NAME, "localhost"); |
| 125 | + cf.setIntProperty(WMQConstants.WMQ_PORT, getMQPort()); |
| 126 | + cf.setStringProperty(WMQConstants.WMQ_CHANNEL, getChannelName()); |
| 127 | + cf.setIntProperty(WMQConstants.WMQ_CONNECTION_MODE, WMQConstants.WMQ_CM_CLIENT); |
| 128 | + cf.setStringProperty(WMQConstants.WMQ_QUEUE_MANAGER, getQmgrName()); |
| 129 | + cf.setBooleanProperty(WMQConstants.USER_AUTHENTICATION_MQCSP, false); |
| 130 | + |
| 131 | + connection = cf.createConnection(); |
| 132 | + session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| 133 | + |
| 134 | + destination = session.createQueue(queueName); |
| 135 | + consumer = session.createConsumer(destination); |
| 136 | + |
| 137 | + connection.start(); |
| 138 | + |
| 139 | + List<Message> messages = new ArrayList<>(); |
| 140 | + Message message; |
| 141 | + do { |
| 142 | + message = consumer.receiveNoWait(); |
| 143 | + if (message != null) { |
| 144 | + messages.add(message); |
| 145 | + } |
| 146 | + } |
| 147 | + while (message != null); |
| 148 | + |
| 149 | + connection.close(); |
| 150 | + |
| 151 | + return messages; |
| 152 | + } |
| 153 | +} |
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