content: /**
   * 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.transport.amqp.interop;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.fail;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.List;
  
  import org.apache.activemq.transport.amqp.client.AmqpClient;
  import org.apache.activemq.transport.amqp.client.AmqpClientTestSupport;
  import org.apache.activemq.transport.amqp.client.AmqpConnection;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.Parameterized;
  import org.junit.runners.Parameterized.Parameters;
  
  /**
   * Test for the transportConnector maximumConnections URI option.
   */
  @RunWith(Parameterized.class)
  public class AmqpConfiguredMaxConnectionsTest extends AmqpClientTestSupport {
  
      private static final int MAX_CONNECTIONS = 10;
  
      @Parameters(name="{0}")
      public static Collection<Object[]> data() {
          return Arrays.asList(new Object[][] {
                  {"amqp", false},
                  {"amqp+nio", false},
              });
      }
  
      public AmqpConfiguredMaxConnectionsTest(String connectorScheme, boolean useSSL) {
          super(connectorScheme, useSSL);
      }
  
      @Test(timeout = 60000)
      public void testMaxConnectionsSettingIsHonored() throws Exception {
          AmqpClient client = createAmqpClient();
          assertNotNull(client);
  
          List<AmqpConnection> connections = new ArrayList<AmqpConnection>();
  
          for (int i = 0; i < MAX_CONNECTIONS; ++i) {
              AmqpConnection connection = client.connect();
              assertNotNull(connection);
  
              connections.add(connection);
          }
  
          assertEquals(MAX_CONNECTIONS, getProxyToBroker().getCurrentConnectionsCount());
          assertEquals(Long.valueOf(0l), Long.valueOf(getProxyToConnectionView(getConnectorScheme()).getMaxConnectionExceededCount()));
  
          try {
              AmqpConnection connection = trackConnection(client.createConnection());
              connection.setConnectTimeout(3000);
              connection.connect();
              fail("Should not be able to create one more connection");
          } catch (Exception ex) {
          }
  
          assertEquals(MAX_CONNECTIONS, getProxyToBroker().getCurrentConnectionsCount());
          assertEquals(Long.valueOf(1l), Long.valueOf(getProxyToConnectionView(getConnectorScheme()).getMaxConnectionExceededCount()));
  
          for (AmqpConnection connection : connections) {
              connection.close();
          }
  
          assertEquals(0, getProxyToBroker().getCurrentConnectionsCount());
  
          // Confirm reset statistics
          getProxyToConnectionView(getConnectorScheme()).resetStatistics();
          assertEquals(Long.valueOf(0l), Long.valueOf(getProxyToConnectionView(getConnectorScheme()).getMaxConnectionExceededCount()));
      }
  
      @Override
      protected String getAdditionalConfig() {
          return "&maximumConnections=" + MAX_CONNECTIONS;
      }
  }
  