content: /*
   * 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.mqtt;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.activemq.artemis.api.core.SimpleString;
  import org.apache.activemq.artemis.core.postoffice.Binding;
  import org.apache.activemq.artemis.core.postoffice.Bindings;
  import org.apache.activemq.artemis.core.server.QueueQueryResult;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.Timeout;
  
  public class MQTTFQQNTest extends MQTTTestSupport {
  
     @Test
     public void testMQTTSubNames() throws Exception {
        final MQTTClientProvider subscriptionProvider = getMQTTClientProvider();
        initializeConnection(subscriptionProvider);
  
        try {
           subscriptionProvider.subscribe("foo/bah", AT_MOST_ONCE);
  
           Bindings bindings = server.getPostOffice().getBindingsForAddress(SimpleString.of("foo.bah"));
           assertEquals(1, bindings.size());
           Binding b = bindings.getBindings().iterator().next();
           //check that query using bare queue name works as before
           QueueQueryResult result = server.queueQuery(b.getUniqueName());
           assertTrue(result.isExists());
           assertEquals(result.getAddress(), SimpleString.of("foo.bah"));
           assertEquals(b.getUniqueName(), result.getName());
           //check that queue query using FQQN returns FQQN
           result = server.queueQuery(SimpleString.of("foo.bah::" + b.getUniqueName()));
           assertTrue(result.isExists());
           assertEquals(SimpleString.of("foo.bah"), result.getAddress());
           assertEquals(b.getUniqueName(), result.getName());
        } finally {
           subscriptionProvider.disconnect();
        }
     }
  
     @Test
     @Timeout(60)
     public void testSendAndReceiveMQTTSpecial1() throws Exception {
        final MQTTClientProvider subscriptionProvider = getMQTTClientProvider();
        initializeConnection(subscriptionProvider);
  
        subscriptionProvider.subscribe("foo/bah::", AT_MOST_ONCE);
  
        final CountDownLatch latch = new CountDownLatch(NUM_MESSAGES);
  
        Thread thread = new Thread(() -> {
           for (int i = 0; i < NUM_MESSAGES; i++) {
              try {
                 byte[] payload = subscriptionProvider.receive(10000);
                 assertNotNull(payload, "Should get a message");
                 latch.countDown();
              } catch (Exception e) {
                 e.printStackTrace();
                 break;
              }
  
           }
        });
        thread.start();
  
        final MQTTClientProvider publishProvider = getMQTTClientProvider();
        initializeConnection(publishProvider);
  
        for (int i = 0; i < NUM_MESSAGES; i++) {
           String payload = "Message " + i;
           publishProvider.publish("foo/bah", payload.getBytes(), AT_LEAST_ONCE);
        }
  
        latch.await(10, TimeUnit.SECONDS);
        assertEquals(0, latch.getCount());
        subscriptionProvider.disconnect();
        publishProvider.disconnect();
     }
  
     @Test
     @Timeout(60)
     public void testSendAndReceiveMQTTSpecial2() throws Exception {
        final MQTTClientProvider subscriptionProvider = getMQTTClientProvider();
        initializeConnection(subscriptionProvider);
  
        try {
           subscriptionProvider.subscribe("::foo/bah", AT_MOST_ONCE);
           fail("should get exception!");
        } catch (Exception e) {
           //expected
        } finally {
           subscriptionProvider.disconnect();
        }
  
        //::
        initializeConnection(subscriptionProvider);
        try {
           subscriptionProvider.subscribe("::", AT_MOST_ONCE);
           fail("should get exception!");
        } catch (Exception e) {
           //expected
        } finally {
           subscriptionProvider.disconnect();
        }
     }
  
     @Test
     public void testMQTTSubNamesSpecial() throws Exception {
        final MQTTClientProvider subscriptionProvider = getMQTTClientProvider();
        initializeConnection(subscriptionProvider);
  
        try {
           subscriptionProvider.subscribe("foo/bah", AT_MOST_ONCE);
  
           Bindings bindings = server.getPostOffice().getBindingsForAddress(SimpleString.of("foo.bah"));
           assertEquals(1, bindings.size());
           Binding b = bindings.getBindings().iterator().next();
  
           //check ::queue
           QueueQueryResult result = server.queueQuery(SimpleString.of("::" + b.getUniqueName()));
           assertTrue(result.isExists());
           assertEquals(SimpleString.of("foo.bah"), result.getAddress());
           assertEquals(b.getUniqueName(), result.getName());
  
           //check queue::
           result = server.queueQuery(SimpleString.of(b.getUniqueName() + "::"));
           assertFalse(result.isExists());
  
           //check ::
           result = server.queueQuery(SimpleString.of("::"));
           assertFalse(result.isExists());
        } finally {
           subscriptionProvider.disconnect();
        }
     }
  }
  