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TopicNameAndFilterTests.java
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TopicNameAndFilterTests.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;
import java.util.EnumSet;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.api.core.RoutingType;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.api.core.client.ActiveMQClient;
import org.apache.activemq.artemis.api.core.client.ClientSession;
import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
import org.apache.activemq.artemis.api.core.client.ServerLocator;
import org.apache.activemq.artemis.tests.integration.mqtt5.MQTT5TestSupport;
import org.eclipse.paho.mqttv5.client.MqttClient;
import org.eclipse.paho.mqttv5.common.MqttMessage;
import org.jboss.logging.Logger;
import org.junit.Test;
/**
* Fulfilled by client or Netty codec (i.e. not tested here):
*
* [MQTT-4.7.0-1] The wildcard characters can be used in Topic Filters, but MUST NOT be used within a Topic Name.
* [MQTT-4.7.1-1] The multi-level wildcard character MUST be specified either on its own or following a topic level separator. In either case it MUST be the last character specified in the Topic Filter.
* [MQTT-4.7.1-2] The single-level wildcard can be used at any level in the Topic Filter, including first and last levels. Where it is used, it MUST occupy an entire level of the filter.
* [MQTT-4.7.3-1] All Topic Names and Topic Filters MUST be at least one character long.
* [MQTT-4.7.3-2] Topic Names and Topic Filters MUST NOT include the null character (Unicode U+0000).
* [MQTT-4.7.3-3] Topic Names and Topic Filters are UTF-8 Encoded Strings; they MUST NOT encode to more than 65,535 bytes.
*
*
* I'm not sure how to test this since it's a negative:
*
* [MQTT-4.7.3-4] When it performs subscription matching the Server MUST NOT perform any normalization of Topic Names or Topic Filters, or any modification or substitution of unrecognized characters.
*/
public class TopicNameAndFilterTests extends MQTT5TestSupport {
private static final Logger log = Logger.getLogger(TopicNameAndFilterTests.class);
public TopicNameAndFilterTests(String protocol) {
super(protocol);
}
/*
* [MQTT-4.7.2-1] The Server MUST NOT match Topic Filters starting with a wildcard character (# or +) with Topic
* Names beginning with a $ character.
*/
@Test(timeout = DEFAULT_TIMEOUT)
public void testMatchingHash() throws Exception {
testMatchingWildcard("#");
}
/*
* [MQTT-4.7.2-1] The Server MUST NOT match Topic Filters starting with a wildcard character (# or +) with Topic
* Names beginning with a $ character.
*/
@Test(timeout = DEFAULT_TIMEOUT)
public void testMatchingPlus() throws Exception {
testMatchingWildcard("+");
}
private void testMatchingWildcard(String wildcard) throws Exception {
final CountDownLatch latch = new CountDownLatch(1);
MqttClient consumer = createPahoClient("consumer");
consumer.connect();
consumer.setCallback(new DefaultMqttCallback() {
@Override
public void messageArrived(String incomingTopic, MqttMessage message) throws Exception {
latch.countDown();
}
});
consumer.subscribe(wildcard, 0);
final SimpleString DOLLAR_TOPIC = SimpleString.toSimpleString("$foo");
ServerLocator locator = ActiveMQClient.createServerLocator("vm://0");
ClientSessionFactory csf = locator.createSessionFactory();
ClientSession s = csf.createSession();
s.createAddress(DOLLAR_TOPIC, EnumSet.allOf(RoutingType.class), false);
s.createProducer(DOLLAR_TOPIC).send(s.createMessage(true));
assertFalse(latch.await(2, TimeUnit.SECONDS));
}
}