/**
 * 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.activemq.broker.policy;

import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.QueueSubscriptionTest;
import org.apache.activemq.broker.region.policy.FixedCountSubscriptionRecoveryPolicy;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.broker.region.policy.SimpleDispatchPolicy;
import org.apache.activemq.util.MessageIdList;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.BlockJUnit4ClassRunner;

import javax.jms.MessageConsumer;
import java.util.Iterator;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;

@RunWith(BlockJUnit4ClassRunner.class)
public class SimpleDispatchPolicyTest extends QueueSubscriptionTest {

    @Override
    protected BrokerService createBroker() throws Exception {
        BrokerService broker = super.createBroker();

        PolicyEntry policy = new PolicyEntry();
        policy.setDispatchPolicy(new SimpleDispatchPolicy());
        policy.setSubscriptionRecoveryPolicy(new FixedCountSubscriptionRecoveryPolicy());
        PolicyMap pMap = new PolicyMap();
        pMap.setDefaultEntry(policy);

        broker.setDestinationPolicy(pMap);

        return broker;
    }

    @Override
    @Test(timeout = 60 * 1000)
    public void testOneProducerTwoConsumersSmallMessagesLargePrefetch() throws Exception {
        super.testOneProducerTwoConsumersSmallMessagesLargePrefetch();

        // One consumer should have received all messages, and the rest none
        // assertOneConsumerReceivedAllMessages(messageCount);
    }

    @Override
    @Test(timeout = 60 * 1000)
    public void testOneProducerTwoConsumersLargeMessagesLargePrefetch() throws Exception {
        super.testOneProducerTwoConsumersLargeMessagesLargePrefetch();

        // One consumer should have received all messages, and the rest none
        // assertOneConsumerReceivedAllMessages(messageCount);
    }

    public void assertOneConsumerReceivedAllMessages(int messageCount) throws Exception {
        boolean found = false;
        for (Iterator<MessageConsumer> i = consumers.keySet().iterator(); i.hasNext();) {
            MessageIdList messageIdList = consumers.get(i.next());
            int count = messageIdList.getMessageCount();
            if (count > 0) {
                if (found) {
                    fail("No other consumers should have received any messages");
                } else {
                    assertEquals("Consumer should have received all messages.", messageCount, count);
                    found = true;
                }
            }
        }

        if (!found) {
            fail("At least one consumer should have received all messages");
        }
    }
}
