| /* |
| * |
| * 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.server.protocol.v0_8; |
| |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.common.AMQPFilterTypes; |
| import org.apache.qpid.exchange.ExchangeDefaults; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.framing.FieldTable; |
| import org.apache.qpid.server.queue.AMQQueue; |
| import org.apache.qpid.server.store.MessageStore; |
| import org.apache.qpid.server.store.TestMemoryMessageStore; |
| import org.apache.qpid.server.util.BrokerTestHelper; |
| import org.apache.qpid.server.virtualhost.VirtualHost; |
| import org.apache.qpid.test.utils.QpidTestCase; |
| |
| import java.util.List; |
| |
| public class QueueBrowserUsesNoAckTest extends QpidTestCase |
| { |
| private AMQChannel _channel; |
| private AMQQueue _queue; |
| private MessageStore _messageStore; |
| private String _queueName; |
| |
| @Override |
| public void setUp() throws Exception |
| { |
| super.setUp(); |
| BrokerTestHelper.setUp(); |
| _channel = BrokerTestHelper_0_8.createChannel(); |
| VirtualHost virtualHost = _channel.getVirtualHost(); |
| _queueName = getTestName(); |
| _queue = BrokerTestHelper.createQueue(_queueName, virtualHost); |
| _messageStore = virtualHost.getMessageStore(); |
| } |
| |
| @Override |
| public void tearDown() throws Exception |
| { |
| try |
| { |
| if (_channel != null) |
| { |
| _channel.getVirtualHost().close(); |
| } |
| } |
| finally |
| { |
| BrokerTestHelper.tearDown(); |
| super.tearDown(); |
| } |
| } |
| |
| private AMQChannel getChannel() |
| { |
| return _channel; |
| } |
| |
| private InternalTestProtocolSession getSession() |
| { |
| return (InternalTestProtocolSession)_channel.getProtocolSession(); |
| } |
| |
| private AMQQueue getQueue() |
| { |
| return _queue; |
| } |
| |
| public void testQueueBrowserUsesNoAck() throws Exception |
| { |
| int sendMessageCount = 2; |
| int prefetch = 1; |
| |
| //Check store is empty |
| checkStoreContents(0); |
| |
| //Send required messages to the queue |
| BrokerTestHelper_0_8.publishMessages(getChannel(), |
| sendMessageCount, |
| _queueName, |
| ExchangeDefaults.DEFAULT_EXCHANGE_NAME); |
| |
| //Ensure they are stored |
| checkStoreContents(sendMessageCount); |
| |
| //Check that there are no unacked messages |
| assertEquals("Channel should have no unacked msgs ", 0, |
| getChannel().getUnacknowledgedMessageMap().size()); |
| |
| //Set the prefetch on the session to be less than the sent messages |
| getChannel().setCredit(0, prefetch); |
| |
| //browse the queue |
| AMQShortString browser = browse(getChannel(), getQueue()); |
| |
| getQueue().deliverAsync(); |
| |
| //Wait for messages to fill the prefetch |
| getSession().awaitDelivery(prefetch); |
| |
| //Get those messages |
| List<InternalTestProtocolSession.DeliveryPair> messages = |
| getSession().getDelivers(getChannel().getChannelId(), browser, |
| prefetch); |
| |
| //Ensure we received the prefetched messages |
| assertEquals(prefetch, messages.size()); |
| |
| //Check the process didn't suspend the subscription as this would |
| // indicate we are using the prefetch credit. i.e. using acks not No-Ack |
| assertTrue("The subscription has been suspended", |
| !getChannel().getSubscription(browser).isSuspended()); |
| } |
| |
| private void checkStoreContents(int messageCount) |
| { |
| assertEquals("Message header count incorrect in the MetaDataMap", messageCount, ((TestMemoryMessageStore) _messageStore).getMessageCount()); |
| } |
| |
| private AMQShortString browse(AMQChannel channel, AMQQueue queue) throws Exception |
| { |
| FieldTable filters = new FieldTable(); |
| filters.put(AMQPFilterTypes.NO_CONSUME.getValue(), true); |
| |
| return channel.consumeFromSource(null, queue, true, filters, true, false); |
| } |
| } |