/**
 * 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");
      }
   }
}
