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.camel.kafkaconnector.netty.sink;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.net.ServerSocket;
  import java.net.Socket;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.camel.kafkaconnector.common.ConnectorPropertyFactory;
  import org.apache.camel.kafkaconnector.common.test.CamelSinkTestSupport;
  import org.apache.camel.kafkaconnector.common.utils.NetworkUtils;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.Timeout;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.fail;
  
  public class CamelSinkNettyITCase extends CamelSinkTestSupport {
      private static final Logger LOG = LoggerFactory.getLogger(CamelSinkNettyITCase.class);
      private final int port = NetworkUtils.getFreePort();
  
      private String topicName;
  
      private final int expect = 1;
      private volatile String received;
  
      @Override
      protected String[] getConnectorsInTest() {
          return new String[] {"camel-netty-kafka-connector"};
      }
  
      @BeforeEach
      public void setUp() {
          topicName = getTopicForTest(this);
          received = null;
      }
  
      @Override
      protected void consumeMessages(CountDownLatch latch) {
          try (ServerSocket serverSocket = new ServerSocket(port);
               Socket socket = serverSocket.accept();
               InputStream is = socket.getInputStream();
               BufferedReader reader = new BufferedReader(new InputStreamReader(is))) {
              received = reader.readLine();
              LOG.debug("Received: {}", received);
          } catch (IOException e) {
              LOG.error("Unable to receive messages: {}", e.getMessage(), e);
          } finally {
              latch.countDown();
          }
      }
  
      @Override
      protected void verifyMessages(CountDownLatch latch) throws InterruptedException {
          String expected = "Sink test message 0";
          if (latch.await(30, TimeUnit.SECONDS)) {
              assertEquals(expected, received, "Received message content differed");
          } else {
              fail("Failed to receive the messages within the specified time");
          }
      }
  
      @Test
      @Timeout(30)
      public void testBasicSendReceive() throws Exception {
          ConnectorPropertyFactory connectorPropertyFactory = CamelNettyPropertyFactory.basic()
                  .withTopics(topicName)
                  .withProtocol("tcp")
                  .withHost(NetworkUtils.getHostname())
                  .withPort(port)
                  // disconnect so that it won't keep mock server socket forever
                  .withDisconnect(true)
                  // one-way as mock server doesn't send replies
                  .withSync(false);
  
          runTest(connectorPropertyFactory, topicName, expect);
      }
  
      @Test
      @Timeout(30)
      public void testBasicSendReceiveUsingUrl() throws Exception {
          ConnectorPropertyFactory connectorPropertyFactory = CamelNettyPropertyFactory.basic()
                  .withTopics(topicName)
                  .withUrl("tcp", NetworkUtils.getHostname(), port)
                  // disconnect so that it won't keep mock server socket forever
                  .append("disconnect", "true")
                  // one-way as mock server doesn't send replies
                  .append("sync", "false")
                  .buildUrl();
  
          runTest(connectorPropertyFactory, topicName, expect);
      }
  }
  