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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.qpid.server.ack;
import junit.framework.TestCase;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.BasicPublishBody;
import org.apache.qpid.server.RequiredDeliveryException;
import org.apache.qpid.server.queue.AMQMessage;
import org.apache.qpid.server.store.TestableMemoryMessageStore;
import org.apache.qpid.server.store.StoreContext;
import org.apache.qpid.server.txn.NonTransactionalContext;
import org.apache.qpid.server.txn.TransactionalContext;
import java.util.*;
public class TxAckTest extends TestCase
{
private Scenario individual;
private Scenario multiple;
private Scenario combined;
protected void setUp() throws Exception
{
super.setUp();
//ack only 5th msg
individual = new Scenario(10, Arrays.asList(5l), Arrays.asList(1l, 2l, 3l, 4l, 6l, 7l, 8l, 9l, 10l));
individual.update(5, false);
//ack all up to and including 5th msg
multiple = new Scenario(10, Arrays.asList(1l, 2l, 3l, 4l, 5l), Arrays.asList(6l, 7l, 8l, 9l, 10l));
multiple.update(5, true);
//leave only 8th and 9th unacked
combined = new Scenario(10, Arrays.asList(1l, 2l, 3l, 4l, 5l, 6l, 7l, 10l), Arrays.asList(8l, 9l));
combined.update(3, false);
combined.update(5, true);
combined.update(7, true);
combined.update(2, true);//should be ignored
combined.update(1, false);//should be ignored
combined.update(10, false);
}
public void testPrepare() throws AMQException
{
individual.prepare();
multiple.prepare();
combined.prepare();
}
public void testUndoPrepare() throws AMQException
{
individual.undoPrepare();
multiple.undoPrepare();
combined.undoPrepare();
}
public void testCommit() throws AMQException
{
individual.commit();
multiple.commit();
combined.commit();
}
public static junit.framework.Test suite()
{
return new junit.framework.TestSuite(TxAckTest.class);
}
private class Scenario
{
private final UnacknowledgedMessageMap _map = new UnacknowledgedMessageMapImpl(5000);
private final TxAck _op = new TxAck(_map);
private final List<Long> _acked;
private final List<Long> _unacked;
private StoreContext _storeContext = new StoreContext();
Scenario(int messageCount, List<Long> acked, List<Long> unacked)
{
TransactionalContext txnContext = new NonTransactionalContext(new TestableMemoryMessageStore(),
_storeContext, null,
new LinkedList<RequiredDeliveryException>(),
new HashSet<Long>());
for(int i = 0; i < messageCount; i++)
{
long deliveryTag = i + 1;
// TODO: fix hardcoded protocol version data
TestMessage message = new TestMessage(deliveryTag, i, new BasicPublishBody((byte)8,
(byte)0,
BasicPublishBody.getClazz((byte)8,(byte)0),
BasicPublishBody.getMethod((byte)8,(byte)0),
null,
false,
false,
null,
0), txnContext);
_map.add(deliveryTag, new UnacknowledgedMessage(null, message, null, deliveryTag));
}
_acked = acked;
_unacked = unacked;
}
void update(long deliverytag, boolean multiple)
{
_op.update(deliverytag, multiple);
}
private void assertCount(List<Long> tags, int expected)
{
for(long tag : tags)
{
UnacknowledgedMessage u = _map.get(tag);
assertTrue("Message not found for tag " + tag, u != null);
((TestMessage) u.message).assertCountEquals(expected);
}
}
void prepare() throws AMQException
{
_op.consolidate();
_op.prepare(_storeContext);
assertCount(_acked, -1);
assertCount(_unacked, 0);
}
void undoPrepare()
{
_op.consolidate();
_op.undoPrepare();
assertCount(_acked, 1);
assertCount(_unacked, 0);
}
void commit()
{
_op.consolidate();
_op.commit(_storeContext);
//check acked messages are removed from map
Set<Long> keys = new HashSet<Long>(_map.getDeliveryTags());
keys.retainAll(_acked);
assertTrue("Expected messages with following tags to have been removed from map: " + keys, keys.isEmpty());
//check unacked messages are still in map
keys = new HashSet<Long>(_unacked);
keys.removeAll(_map.getDeliveryTags());
assertTrue("Expected messages with following tags to still be in map: " + keys, keys.isEmpty());
}
}
private class TestMessage extends AMQMessage
{
private final long _tag;
private int _count;
TestMessage(long tag, long messageId, BasicPublishBody publishBody, TransactionalContext txnContext)
{
super(messageId, publishBody, txnContext);
_tag = tag;
}
public void incrementReference()
{
_count++;
}
public void decrementReference(StoreContext context)
{
_count--;
}
void assertCountEquals(int expected)
{
assertEquals("Wrong count for message with tag " + _tag, expected, _count);
}
}
}
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