KaaTcpServerIT.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * Licensed 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.kaaproject.kaa.server.transports.tcp.transport;

import org.junit.Test;
import org.kaaproject.kaa.common.avro.AvroByteArrayConverter;
import org.kaaproject.kaa.common.channels.protocols.kaatcp.messages.Connect;
import org.kaaproject.kaa.common.channels.protocols.kaatcp.messages.Disconnect;
import org.kaaproject.kaa.common.channels.protocols.kaatcp.messages.Disconnect.DisconnectReason;
import org.kaaproject.kaa.common.channels.protocols.kaatcp.messages.PingRequest;
import org.kaaproject.kaa.server.transport.GenericTransportContext;
import org.kaaproject.kaa.server.transport.TransportContext;
import org.kaaproject.kaa.server.transport.TransportProperties;
import org.kaaproject.kaa.server.transport.channel.ChannelContext;
import org.kaaproject.kaa.server.transport.channel.ChannelType;
import org.kaaproject.kaa.server.transport.message.MessageHandler;
import org.kaaproject.kaa.server.transport.message.SessionDisconnectMessage;
import org.kaaproject.kaa.server.transport.message.SessionInitMessage;
import org.kaaproject.kaa.server.transport.message.SessionPingMessage;
import org.kaaproject.kaa.server.transport.session.SessionAware;
import org.kaaproject.kaa.server.transport.session.SessionInfo;
import org.kaaproject.kaa.server.transport.tcp.config.gen.AvroTcpConfig;
import org.mockito.Mockito;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.net.Socket;
import java.util.Properties;
import java.util.UUID;

public class KaaTcpServerIT {

  private static final int TIMEOUT = 10000;
  private static final int TEST_PORT = 9997;
  private static final String TEST_HOST = "localhost";
  private static final Logger LOG = LoggerFactory.getLogger(KaaTcpServerIT.class);

  @Test
  public void basicKaaTcpServerTest() throws Exception {
    TcpTransport transport = new TcpTransport();
    try {
      LOG.debug("Initializing TCP server");
      final MessageHandler handler = Mockito.mock(MessageHandler.class);
      GenericTransportContext context = new GenericTransportContext(new TransportContext(new TransportProperties(new Properties()),
          null, new MessageHandler() {

        @Override
        public void process(SessionInitMessage message) {
          message.onSessionCreated(new SessionInfo(UUID.randomUUID(), 1, Mockito.mock(ChannelContext.class),
              ChannelType.ASYNC, null, null, null, null, 100, false));
          handler.process(message);
        }

        @Override
        public void process(SessionAware message) {
          handler.process(message);
        }
      }), getTestConfig());

      transport.init(context);

      LOG.debug("Starting TCP server");
      transport.start();

      final Socket socket = new Socket(TEST_HOST, TEST_PORT);

      Connect connect = new Connect(1, 1, new byte[0], new byte[0], new byte[0]);
      socket.getOutputStream().write(connect.getFrame().array());

      Mockito.verify(handler, Mockito.timeout(TIMEOUT)).process(Mockito.any(SessionInitMessage.class));

      PingRequest ping = new PingRequest();
      socket.getOutputStream().write(ping.getFrame().array());

      Mockito.verify(handler, Mockito.timeout(TIMEOUT)).process(Mockito.any(SessionPingMessage.class));

      Disconnect disconnect = new Disconnect(DisconnectReason.NONE);
      socket.getOutputStream().write(disconnect.getFrame().array());

      Mockito.verify(handler, Mockito.timeout(TIMEOUT)).process(Mockito.any(SessionDisconnectMessage.class));

      socket.close();
    } finally {
      LOG.debug("Shutdown TCP server");
      transport.stop();
    }

  }

  private byte[] getTestConfig() throws IOException {
    AvroTcpConfig config = new AvroTcpConfig();
    config.setBindInterface(TEST_HOST);
    config.setBindPort(TEST_PORT);
    config.setPublicInterface(TEST_HOST);
    config.setPublicPorts(Integer.toString(TEST_PORT));

    AvroByteArrayConverter<AvroTcpConfig> converter = new AvroByteArrayConverter<AvroTcpConfig>(AvroTcpConfig.class);

    return converter.toByteArray(config);
  }
}