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UnsubAckTests.java
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UnsubAckTests.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.artemis.tests.integration.mqtt5.spec.controlpackets;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTReasonCodes;
import org.apache.activemq.artemis.tests.integration.mqtt5.MQTT5TestSupport;
import org.apache.activemq.artemis.utils.RandomUtil;
import org.eclipse.paho.mqttv5.client.IMqttToken;
import org.eclipse.paho.mqttv5.client.MqttAsyncClient;
import org.eclipse.paho.mqttv5.common.MqttSubscription;
import org.eclipse.paho.mqttv5.common.packet.MqttUnsubAck;
import org.junit.Test;
/**
* The broker doesn't send any "Reason String" or "User Property" in the UNSUBACK packet for any reason. Therefore, these are not tested here:
*
* [MQTT-3.11.2-1] The Server MUST NOT send this Property if it would increase the size of the UNSUBACK packet beyond the Maximum Packet Size specified by the Client.
* [MQTT-3.11.2-2] The Server MUST NOT send this property if it would increase the size of the UNSUBACK packet beyond the Maximum Packet Size specified by the receiver.
*/
public class UnsubAckTests extends MQTT5TestSupport {
/*
* [MQTT-3.11.3-1] The order of Reason Codes in the UNSUBACK packet MUST match the order of Topic Filters in the
* UNSUBSCRIBE packet.
*
* [MQTT-3.11.3-2] The Server sending the UNSUBACK packet MUST use one of the UNSUBSCRIBE Reason Code values for each
* Topic Filter received.
*/
@Test(timeout = DEFAULT_TIMEOUT)
public void testUnsubscribeAck() throws Exception {
final int SUBSCRIPTION_COUNT = 10;
final String TOPIC = RandomUtil.randomString();
SimpleString[] topicNames = new SimpleString[SUBSCRIPTION_COUNT];
for (int i = 0; i < SUBSCRIPTION_COUNT; i++) {
topicNames[i] = new SimpleString(i + "-" + TOPIC);
}
MqttAsyncClient consumer = createAsyncPahoClient("consumer");
consumer.connect().waitForCompletion();
MqttSubscription[] subscriptions = new MqttSubscription[SUBSCRIPTION_COUNT];
for (int i = 0; i < SUBSCRIPTION_COUNT; i++) {
subscriptions[i] = new MqttSubscription(topicNames[i].toString(), 0);
}
consumer.subscribe(subscriptions).waitForCompletion();
for (int i = 0; i < SUBSCRIPTION_COUNT; i++) {
assertTrue(server.getPostOffice().isAddressBound(topicNames[i]));
}
// unsubscribe from all the real subscriptions interleaved with subscriptions that *don't exist*
String[] unsubTopicNames = new String[SUBSCRIPTION_COUNT * 2];
for (int i = 0; i <= SUBSCRIPTION_COUNT; i++) {
if (i != SUBSCRIPTION_COUNT) {
unsubTopicNames[i * 2] = topicNames[i].toString();
}
if (i != 0) {
unsubTopicNames[(i * 2) - 1] = RandomUtil.randomString();
}
}
IMqttToken token = consumer.unsubscribe(unsubTopicNames);
token.waitForCompletion();
for (int i = 0; i < SUBSCRIPTION_COUNT; i++) {
assertFalse(server.getPostOffice().isAddressBound(topicNames[i]));
}
MqttUnsubAck response = (MqttUnsubAck) token.getResponse();
assertEquals(unsubTopicNames.length, response.getReturnCodes().length);
for (int i = 0; i < response.getReturnCodes().length; i++) {
if (i % 2 == 0) {
assertEquals(MQTTReasonCodes.SUCCESS, response.getReturnCodes()[i]);
} else {
assertEquals(MQTTReasonCodes.NO_SUBSCRIPTION_EXISTED, response.getReturnCodes()[i]);
}
}
System.out.println(response);
consumer.disconnect();
consumer.close();
}
}