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.nettyhttp.source;
  
  import java.io.IOException;
  import java.net.InetAddress;
  
  import org.apache.camel.kafkaconnector.common.ConnectorPropertyFactory;
  import org.apache.camel.kafkaconnector.common.test.CamelSourceTestSupport;
  import org.apache.camel.kafkaconnector.common.test.TestMessageConsumer;
  import org.apache.camel.kafkaconnector.common.utils.NetworkUtils;
  import org.apache.http.client.methods.CloseableHttpResponse;
  import org.apache.http.client.methods.HttpPost;
  import org.apache.http.entity.StringEntity;
  import org.apache.http.impl.client.CloseableHttpClient;
  import org.apache.http.impl.client.HttpClients;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.TestInstance;
  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;
  
  @TestInstance(TestInstance.Lifecycle.PER_CLASS)
  public class CamelSourceNettyHTTPITCase extends CamelSourceTestSupport {
      private static final Logger LOG = LoggerFactory.getLogger(CamelSourceNettyHTTPITCase.class);
      private static final int HTTP_PORT = NetworkUtils.getFreePort("localhost", 30000, 40000);
      private static final String TEST_MESSAGE = "testMessage";
  
      private String topicName;
  
      private final int expect = 1;
  
      @Override
      protected String[] getConnectorsInTest() {
          return new String[] {"camel-netty-http-kafka-connector"};
      }
  
      @BeforeEach
      public void setUp() throws IOException {
          topicName = getTopicForTest(this);
      }
  
      @Test
      @Timeout(90)
      public void testBasicSendReceive() throws Exception {
  
          ConnectorPropertyFactory connectorPropertyFactory = CamelNettyHTTPPropertyFactory.basic()
                  .withKafkaTopic(topicName)
                  .withReceiveBufferSize(10)
                  .withHost("0.0.0.0")
                  .withPort(HTTP_PORT)
                  .withProtocol("http")
                  .withCamelTypeConverterTransformTo("java.lang.String");
  
          runTestBlocking(connectorPropertyFactory, topicName, expect);
      }
  
      @Override
      protected void produceTestData() {
          int retriesLeft = 10;
          boolean success = false;
          while (retriesLeft > 0 && !success) {
              try (final CloseableHttpClient httpclient = HttpClients.createDefault()) {
  
                  byte[] ipAddr = new byte[]{127, 0, 0, 1};
                  InetAddress localhost = InetAddress.getByAddress(ipAddr);
                  final HttpPost httpPost = new HttpPost("http://" + localhost.getHostAddress() + ":" + HTTP_PORT);
  
                  LOG.info("Executing request {} {}", httpPost.getMethod(), httpPost.getURI());
  
                  httpPost.setEntity(new StringEntity(TEST_MESSAGE));
  
                  CloseableHttpResponse response = httpclient.execute(httpPost);
                  assertEquals(200, response.getStatusLine().getStatusCode());
                  response.close();
                  httpPost.releaseConnection();
                  success = true;
                  LOG.info("Request success at {} attempt.", retriesLeft);
              } catch (IOException e) {
                  if (retriesLeft == 1) {
                      e.printStackTrace();
                      fail("There should be no exceptions in sending the http test message.");
                  } else {
                      retriesLeft--;
                      try {
                          Thread.sleep(1000);
                      } catch (InterruptedException interruptedException) {
                          interruptedException.printStackTrace();
                      }
                  }
              }
          }
      }
  
      @Override
      protected void verifyMessages(TestMessageConsumer<?> consumer) {
          int received = consumer.consumedMessages().size();
          assertEquals(expect, received, "Didn't process the expected amount of messages");
          assertEquals(TEST_MESSAGE, consumer.consumedMessages().get(0).value().toString());
      }
  }
  