Package org.apache.qpid.server.queue

Source Code of org.apache.qpid.server.queue.SortedQueueEntryTest

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* 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
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*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
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package org.apache.qpid.server.queue;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import org.apache.qpid.server.logging.EventLogger;
import org.apache.qpid.server.message.AMQMessageHeader;
import org.apache.qpid.server.message.MessageReference;
import org.apache.qpid.server.message.ServerMessage;
import org.apache.qpid.server.model.LifetimePolicy;
import org.apache.qpid.server.model.Queue;
import org.apache.qpid.server.security.*;
import org.apache.qpid.server.virtualhost.VirtualHost;

import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class SortedQueueEntryTest extends QueueEntryImplTestBase
{

    public final static String keys[] = { "CCC", "AAA", "BBB" };

    private SelfValidatingSortedQueueEntryList _queueEntryList;

    @Override
    public void setUp() throws Exception
    {
        Map<String,Object> attributes = new HashMap<String,Object>();
        attributes.put(Queue.ID,UUID.randomUUID());
        attributes.put(Queue.NAME, getName());
        attributes.put(Queue.DURABLE, false);
        attributes.put(Queue.LIFETIME_POLICY, LifetimePolicy.PERMANENT);
        attributes.put(Queue.SORT_KEY, "KEY");

        final VirtualHost virtualHost = mock(VirtualHost.class);
        when(virtualHost.getSecurityManager()).thenReturn(mock(org.apache.qpid.server.security.SecurityManager.class));
        when(virtualHost.getEventLogger()).thenReturn(new EventLogger());
        SortedQueue queue = new SortedQueue(virtualHost, attributes, new QueueEntryListFactory()
        {

            @Override
            public SortedQueueEntryList createQueueEntryList(final AMQQueue queue)
            {
                return new SelfValidatingSortedQueueEntryList((SortedQueue) queue, "KEY");
            }
        });
        _queueEntryList = (SelfValidatingSortedQueueEntryList) queue.getEntries();
        super.setUp();
    }

    public QueueEntryImpl getQueueEntryImpl(int msgId)
    {
        final ServerMessage message = mock(ServerMessage.class);
        AMQMessageHeader hdr = mock(AMQMessageHeader.class);
        when(message.getMessageHeader()).thenReturn(hdr);
        when(hdr.getHeader(eq("KEY"))).thenReturn(keys[msgId-1]);
        when(hdr.containsHeader(eq("KEY"))).thenReturn(true);
        when(hdr.getHeaderNames()).thenReturn(Collections.singleton("KEY"));

        final MessageReference reference = mock(MessageReference.class);
        when(reference.getMessage()).thenReturn(message);
        when(message.newReference()).thenReturn(reference);
        return _queueEntryList.add(message);
    }

    public void testCompareTo()
    {
        assertTrue(_queueEntry.compareTo(_queueEntry2) > 0);
        assertTrue(_queueEntry.compareTo(_queueEntry3) > 0);

        assertTrue(_queueEntry2.compareTo(_queueEntry3) < 0);
        assertTrue(_queueEntry2.compareTo(_queueEntry) < 0);

        assertTrue(_queueEntry3.compareTo(_queueEntry2) > 0);
        assertTrue(_queueEntry3.compareTo(_queueEntry) < 0);

        assertTrue(_queueEntry.compareTo(_queueEntry) == 0);
        assertTrue(_queueEntry2.compareTo(_queueEntry2) == 0);
        assertTrue(_queueEntry3.compareTo(_queueEntry3) == 0);
    }

    public void testTraverseWithNoDeletedEntries()
    {
        QueueEntry current = _queueEntry2;

        current = current.getNextValidEntry();
        assertSame("Unexpected current entry",_queueEntry3, current);

        current = current.getNextValidEntry();
        assertSame("Unexpected current entry",_queueEntry, current);

        current = current.getNextValidEntry();
        assertNull(current);

    }

    public void testTraverseWithDeletedEntries()
    {
        // Delete 2nd queue entry
        _queueEntry3.delete();
        assertTrue(_queueEntry3.isDeleted());

        QueueEntry current = _queueEntry2;

        current = current.getNextValidEntry();
        assertSame("Unexpected current entry",_queueEntry, current);

        current = current.getNextValidEntry();
        assertNull(current);
    }
}
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