Github user gemmellr commented on a diff in the pull request: https://github.com/apache/activemq-artemis/pull/2490#discussion_r246416127 --- Diff: tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/amqp/AmqpReceiverPriorityTest.java --- @@ -0,0 +1,144 @@ +/* + * 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.amqp; + +import org.apache.activemq.transport.amqp.client.AmqpClient; +import org.apache.activemq.transport.amqp.client.AmqpConnection; +import org.apache.activemq.transport.amqp.client.AmqpMessage; +import org.apache.activemq.transport.amqp.client.AmqpReceiver; +import org.apache.activemq.transport.amqp.client.AmqpSession; +import org.apache.qpid.proton.amqp.Symbol; +import org.apache.qpid.proton.amqp.UnsignedInteger; +import org.junit.Test; + +import java.util.HashMap; +import java.util.Map; + +/** + * Test various behaviors of AMQP receivers with the broker. + */ +public class AmqpReceiverPriorityTest extends AmqpClientTestSupport { + + @Test(timeout = 30000) + public void testPriority() throws Exception { + + AmqpClient client = createAmqpClient(); + AmqpConnection connection = addConnection(client.connect()); + AmqpSession session = connection.createSession(); + + Map<Symbol, Object> properties1 = new HashMap<>(); + properties1.put(Symbol.getSymbol("priority"), 5); + AmqpReceiver receiver1 = session.createReceiver(getQueueName(), null, false, false, properties1); + receiver1.flow(100); + + Map<Symbol, Object> properties2 = new HashMap<>(); + properties2.put(Symbol.getSymbol("priority"), 50); + AmqpReceiver receiver2 = session.createReceiver(getQueueName(), null, false, false, properties2); + receiver2.flow(100); + + Map<Symbol, Object> properties3 = new HashMap<>(); + properties3.put(Symbol.getSymbol("priority"), 10); + AmqpReceiver receiver3 = session.createReceiver(getQueueName(), null, false, false, properties3); + receiver3.flow(100); + + sendMessages(getQueueName(), 5); + + + for (int i = 0; i < 5; i++) { + AmqpMessage message1 = receiver1.receiveNoWait(); --- End diff -- I believe the test clients receiveNoWait only polls its local queue, so this might now likely sporadically fail due to racing the deliveries. I was only suggesting recieveNoWait as potential initial verification within the loop for non-receiving consumers, to be followed up or substituted by a more stringent final check.
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