| /* |
| * |
| * 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.qpid.test.unit.topic; |
| |
| import javax.jms.Connection; |
| import javax.jms.JMSException; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| import javax.jms.TemporaryTopic; |
| import javax.jms.TextMessage; |
| |
| import org.apache.qpid.test.utils.QpidBrokerTestCase; |
| |
| |
| /** |
| * Tests the behaviour of {@link TemporaryTopic}. |
| */ |
| public class TemporaryTopicTest extends QpidBrokerTestCase |
| { |
| /** |
| * Tests the basic publish/subscribe behaviour of a temporary topic. Single |
| * message is sent to two subscribers. |
| */ |
| public void testMessageDeliveryUsingTemporaryTopic() throws Exception |
| { |
| final Connection conn = getConnection(); |
| final Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| final TemporaryTopic topic = session.createTemporaryTopic(); |
| assertNotNull(topic); |
| final MessageProducer producer = session.createProducer(topic); |
| final MessageConsumer consumer1 = session.createConsumer(topic); |
| final MessageConsumer consumer2 = session.createConsumer(topic); |
| conn.start(); |
| producer.send(session.createTextMessage("hello")); |
| |
| final TextMessage tm1 = (TextMessage) consumer1.receive(2000); |
| final TextMessage tm2 = (TextMessage) consumer2.receive(2000); |
| |
| assertNotNull("Message not received by subscriber1", tm1); |
| assertEquals("hello", tm1.getText()); |
| assertNotNull("Message not received by subscriber2", tm2); |
| assertEquals("hello", tm2.getText()); |
| } |
| |
| /** |
| * Tests that the client is able to explicitly delete a temporary topic using |
| * {@link TemporaryTopic#delete()} and is prevented from deleting one that |
| * still has consumers. |
| * |
| * Note: Under < 0-10 {@link TemporaryTopic#delete()} only marks the queue as deleted |
| * on the client. 0-10 causes the topic to be deleted from the Broker. |
| */ |
| public void testExplictTemporaryTopicDeletion() throws Exception |
| { |
| final Connection conn = getConnection(); |
| |
| final Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| final TemporaryTopic topic = session.createTemporaryTopic(); |
| assertNotNull(topic); |
| final MessageConsumer consumer = session.createConsumer(topic); |
| conn.start(); |
| try |
| { |
| topic.delete(); |
| fail("Expected JMSException : should not be able to delete while there are active consumers"); |
| } |
| catch (JMSException je) |
| { |
| //pass |
| assertEquals("Temporary Topic has consumers so cannot be deleted", je.getMessage()); |
| } |
| |
| consumer.close(); |
| |
| // Now deletion should succeed. |
| topic.delete(); |
| |
| try |
| { |
| session.createConsumer(topic); |
| fail("Exception not thrown"); |
| } |
| catch (JMSException je) |
| { |
| //pass |
| assertEquals("Cannot consume from a deleted destination", je.getMessage()); |
| } |
| } |
| |
| /** |
| * Tests that a temporary topic cannot be used by another {@link Session}. |
| */ |
| public void testUseFromAnotherSessionProhibited() throws Exception |
| { |
| final Connection conn = getConnection(); |
| final Session session1 = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| final Session session2 = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| final TemporaryTopic topic = session1.createTemporaryTopic(); |
| |
| try |
| { |
| session2.createConsumer(topic); |
| fail("Expected a JMSException when subscribing to a temporary topic created on a different session"); |
| } |
| catch (JMSException je) |
| { |
| // pass |
| assertEquals("Cannot consume from a temporary destination created on another session", je.getMessage()); |
| } |
| } |
| |
| /** |
| * Tests that the client is prohibited from creating a durable subscriber for a temporary |
| * queue. |
| */ |
| public void testDurableSubscriptionProhibited() throws Exception |
| { |
| final Connection conn = getConnection(); |
| |
| final Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| final TemporaryTopic topic = session.createTemporaryTopic(); |
| assertNotNull(topic); |
| try |
| { |
| session.createDurableSubscriber(topic, null); |
| fail("Expected JMSException : should not be able to create durable subscription from temp topic"); |
| } |
| catch (JMSException je) |
| { |
| //pass |
| assertEquals("Cannot create a durable subscription with a temporary topic: " + topic.toString(), je.getMessage()); |
| } |
| } |
| |
| /** |
| * Tests that a temporary topic remains available for reuse even after its initial |
| * subscribers have disconnected. |
| */ |
| public void testTemporaryTopicReused() throws Exception |
| { |
| final Connection conn = getConnection(); |
| final Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| final TemporaryTopic topic = session.createTemporaryTopic(); |
| assertNotNull(topic); |
| |
| final MessageProducer producer = session.createProducer(topic); |
| final MessageConsumer consumer1 = session.createConsumer(topic); |
| conn.start(); |
| producer.send(session.createTextMessage("message1")); |
| TextMessage tm = (TextMessage) consumer1.receive(2000); |
| assertNotNull("Message not received by first consumer", tm); |
| assertEquals("message1", tm.getText()); |
| consumer1.close(); |
| |
| final MessageConsumer consumer2 = session.createConsumer(topic); |
| conn.start(); |
| producer.send(session.createTextMessage("message2")); |
| tm = (TextMessage) consumer2.receive(2000); |
| assertNotNull("Message not received by second consumer", tm); |
| assertEquals("message2", tm.getText()); |
| consumer2.close(); |
| } |
| } |