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.dns;
  
  import org.apache.camel.EndpointInject;
  import org.apache.camel.Produce;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.junit.jupiter.api.Disabled;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  public class DnsIpHeaderTransferTest extends CamelTestSupport {
  
      @EndpointInject("mock:result")
      protected MockEndpoint resultEndpoint;
  
      @Produce("direct:start")
      protected ProducerTemplate template;
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
                  from("direct:start").setHeader("foo", constant("bar")).to("dns:ip").to("mock:result");
              }
          };
      }
  
      @Test
      void testNullIPRequests() throws Exception {
          resultEndpoint.expectedMessageCount(0);
  
          try {
              template.sendBodyAndHeader("hello", "dns.domain", null);
              fail("Should have thrown exception");
          } catch (Exception t) {
              assertTrue(t.getCause() instanceof IllegalArgumentException);
          }
          resultEndpoint.assertIsSatisfied();
      }
  
      @Test
      void testEmptyIPRequests() throws Exception {
          resultEndpoint.expectedMessageCount(0);
  
          try {
              template.sendBodyAndHeader("hello", "dns.domain", "");
              fail("Should have thrown exception");
          } catch (Exception t) {
              assertTrue(t.getCause() instanceof IllegalArgumentException);
          }
          resultEndpoint.assertIsSatisfied();
      }
  
      @Test
      @Disabled("Run manually, performs DNS lookup to remote apache.org server")
      void testValidIPRequests() throws Exception {
          resultEndpoint.expectedMessageCount(1);
  
          resultEndpoint.expectedBodiesReceived("40.79.78.1");
          resultEndpoint.expectedHeaderReceived("foo", "bar");
  
          template.sendBodyAndHeader("hello", "dns.domain", "www.apache.org");
          resultEndpoint.assertIsSatisfied();
      }
  }
  