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package org.apache.qpid.server.queue;
import java.util.List;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.AMQShortString;
import org.apache.qpid.framing.ContentHeaderBody;
import org.apache.qpid.framing.abstraction.MessagePublishInfo;
import org.apache.qpid.server.store.MessageStore;
import org.apache.qpid.server.store.StoreContext;
import org.apache.qpid.server.store.TestableMemoryMessageStore;
import org.apache.qpid.server.txn.NonTransactionalContext;
import org.apache.qpid.server.txn.TransactionalContext;
import org.apache.qpid.server.virtualhost.VirtualHost;
import junit.framework.TestCase;
public class SimpleAMQQueueTest extends TestCase
{
private SimpleAMQQueue _queue;
private MessageStore store = new TestableMemoryMessageStore();
private TransactionalContext ctx = new NonTransactionalContext(store, new StoreContext(), null, null);
private MessageHandleFactory factory = new MessageHandleFactory();
MessagePublishInfo info = new MessagePublishInfo()
{
public AMQShortString getExchange()
{
return null;
}
public void setExchange(AMQShortString exchange)
{
//To change body of implemented methods use File | Settings | File Templates.
}
public boolean isImmediate()
{
return false;
}
public boolean isMandatory()
{
return false;
}
public AMQShortString getRoutingKey()
{
return null;
}
};
@Override
protected void setUp() throws Exception
{
super.setUp();
AMQShortString qname = new AMQShortString("qname");
AMQShortString owner = new AMQShortString("owner");
_queue = new SimpleAMQQueue(qname, false, owner, false, new VirtualHost("vhost", store));
}
public void testGetFirstMessageId() throws Exception
{
// Create message
Long messageId = new Long(23);
AMQMessage message = new TestMessage(messageId, messageId, info, new StoreContext());
// Put message on queue
_queue.enqueue(null, message);
// Get message id
Long testmsgid = _queue.getMessagesOnTheQueue(1).get(0);
// Check message id
assertEquals("Message ID was wrong", messageId, testmsgid);
}
public void testGetFirstFiveMessageIds() throws Exception
{
for (int i = 0 ; i < 5; i++)
{
// Create message
Long messageId = new Long(i);
AMQMessage message = new TestMessage(messageId, messageId, info, new StoreContext());
// Put message on queue
_queue.enqueue(null, message);
}
// Get message ids
List<Long> msgids = _queue.getMessagesOnTheQueue(5);
// Check message id
for (int i = 0; i < 5; i++)
{
Long messageId = new Long(i);
assertEquals("Message ID was wrong", messageId, msgids.get(i));
}
}
public void testGetLastFiveMessageIds() throws Exception
{
for (int i = 0 ; i < 10; i++)
{
// Create message
Long messageId = new Long(i);
AMQMessage message = new TestMessage(messageId, messageId, info, new StoreContext());
// Put message on queue
_queue.enqueue(null, message);
}
// Get message ids
List<Long> msgids = _queue.getMessagesOnTheQueue(5, 5);
// Check message id
for (int i = 0; i < 5; i++)
{
Long messageId = new Long(i+5);
assertEquals("Message ID was wrong", messageId, msgids.get(i));
}
}
// FIXME: move this to somewhere useful
private static AMQMessageHandle createMessageHandle(final long messageId, final MessagePublishInfo publishBody)
{
final AMQMessageHandle amqMessageHandle = (new MessageHandleFactory()).createMessageHandle(messageId,
null,
false);
try
{
amqMessageHandle.setPublishAndContentHeaderBody(new StoreContext(),
publishBody,
new ContentHeaderBody()
{
public int getSize()
{
return 1;
}
});
}
catch (AMQException e)
{
// won't happen
}
return amqMessageHandle;
}
public class TestMessage extends AMQMessage
{
private final long _tag;
private int _count;
TestMessage(long tag, long messageId, MessagePublishInfo publishBody, StoreContext storeContext)
throws AMQException
{
super(createMessageHandle(messageId, publishBody), storeContext, publishBody);
_tag = tag;
}
public boolean incrementReference()
{
_count++;
return true;
}
public void decrementReference(StoreContext context)
{
_count--;
}
void assertCountEquals(int expected)
{
assertEquals("Wrong count for message with tag " + _tag, expected, _count);
}
}
}
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