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.component.http;
  
  import org.apache.camel.Exchange;
  import org.apache.hc.core5.http.HttpStatus;
  import org.apache.hc.core5.http.impl.bootstrap.HttpServer;
  import org.apache.hc.core5.http.impl.bootstrap.ServerBootstrap;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  public class HttpProducerNullBodyTest extends BaseHttpTest {
  
      private HttpServer localServer;
  
      private String endpointUrl;
  
      @Override
      public void setupResources() throws Exception {
          localServer = ServerBootstrap.bootstrap()
                  .setCanonicalHostName("localhost").setHttpProcessor(getBasicHttpProcessor())
                  .setConnectionReuseStrategy(getConnectionReuseStrategy()).setResponseFactory(getHttpResponseFactory())
                  .setSslContext(getSSLContext())
                  .register("/null-body", (request, response, context) -> {
                      String contentLength = request.getFirstHeader(Exchange.CONTENT_LENGTH).getValue();
  
                      assertEquals("0", contentLength);
  
                      response.setCode(HttpStatus.SC_OK);
                  }).create();
          localServer.start();
  
          endpointUrl = "http://localhost:" + localServer.getLocalPort();
      }
  
      @Override
      public void cleanupResources() throws Exception {
  
          if (localServer != null) {
              localServer.stop();
          }
      }
  
      @Test
      public void testContentLengthWithNullBody() {
          Exchange out = template.request(endpointUrl + "/null-body", exchange -> {
              exchange.getIn().setHeader(Exchange.HTTP_METHOD, "POST");
              exchange.getIn().setBody(null);
          });
  
          assertNotNull(out);
          assertFalse(out.isFailed(), "Should not fail");
      }
  }
  