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.coap;
  
  import java.io.IOException;
  import java.security.GeneralSecurityException;
  
  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.model.rest.RestConfigurationDefinition;
  import org.apache.camel.test.AvailablePortFinder;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.eclipse.californium.core.CoapClient;
  import org.eclipse.californium.core.CoapResponse;
  import org.eclipse.californium.core.coap.CoAP;
  import org.eclipse.californium.core.coap.CoAP.ResponseCode;
  import org.eclipse.californium.core.coap.MediaTypeRegistry;
  import org.eclipse.californium.elements.config.Configuration;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  abstract class CoAPRestComponentTestBase extends CamelTestSupport {
      static int coapport = AvailablePortFinder.getNextAvailable();
  
      @Produce("direct:start")
      protected ProducerTemplate sender;
  
      @Test
      void testCoAP() throws Exception {
          Configuration.createStandardWithoutFile();
          CoapClient client;
          CoapResponse rsp;
  
          client = new CoapClient(getProtocol() + "://localhost:" + coapport + "/TestResource/Ducky");
          decorateClient(client);
          rsp = client.get();
          assertEquals(ResponseCode.CONTENT, rsp.getCode());
          assertEquals("Hello Ducky", rsp.getResponseText());
          rsp = client.post("data", MediaTypeRegistry.TEXT_PLAIN);
          assertEquals(ResponseCode.CONTENT, rsp.getCode());
          assertEquals("Hello Ducky: data", rsp.getResponseText());
  
          client = new CoapClient(getProtocol() + "://localhost:" + coapport + "/TestParams?id=Ducky");
          decorateClient(client);
          client.setTimeout(1000000L);
          rsp = client.get();
          assertEquals(ResponseCode.CONTENT, rsp.getCode());
          assertEquals("Hello Ducky", rsp.getResponseText());
          rsp = client.post("data", MediaTypeRegistry.TEXT_PLAIN);
          assertEquals(ResponseCode.CONTENT, rsp.getCode());
          assertEquals("Hello Ducky: data", rsp.getResponseText());
          assertEquals(MediaTypeRegistry.TEXT_PLAIN, rsp.getOptions().getContentFormat());
      }
  
      @Test
      void testCoAPMethodNotAllowedResponse() throws Exception {
          Configuration.createStandardWithoutFile();
          CoapClient client = new CoapClient(getProtocol() + "://localhost:" + coapport + "/TestResource/Ducky");
          decorateClient(client);
          client.setTimeout(1000000L);
          CoapResponse rsp = client.delete();
          assertEquals(ResponseCode.METHOD_NOT_ALLOWED, rsp.getCode());
      }
  
      @Test
      void testCoAPNotFoundResponse() throws Exception {
          Configuration.createStandardWithoutFile();
          CoapClient client = new CoapClient(getProtocol() + "://localhost:" + coapport + "/foo/bar/cheese");
          decorateClient(client);
          client.setTimeout(1000000L);
          CoapResponse rsp = client.get();
          assertEquals(ResponseCode.NOT_FOUND, rsp.getCode());
      }
  
      @Test
      void testPOSTClientRoute() throws Exception {
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMinimumMessageCount(1);
          mock.expectedBodiesReceived("Hello some-id: xyz");
          mock.expectedHeaderReceived(CoAPConstants.COAP_RESPONSE_CODE, CoAP.ResponseCode.CONTENT.toString());
          sender.sendBodyAndHeader("xyz", CoAPConstants.COAP_METHOD, "POST");
          MockEndpoint.assertIsSatisfied(context);
      }
  
      @Test
      void testGETClientRoute() throws Exception {
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMinimumMessageCount(1);
          mock.expectedBodiesReceived("Hello some-id");
          mock.expectedHeaderReceived(CoAPConstants.COAP_RESPONSE_CODE, CoAP.ResponseCode.CONTENT.toString());
          sender.sendBody(null);
          MockEndpoint.assertIsSatisfied(context);
      }
  
      protected abstract String getProtocol();
  
      protected abstract void decorateClient(CoapClient client) throws GeneralSecurityException, IOException;
  
      protected abstract void decorateRestConfiguration(RestConfigurationDefinition restConfig);
  
      protected String getClientURI() {
          return getProtocol() + "://localhost:%d/TestResource/some-id";
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
                  RestConfigurationDefinition restConfig
                          = restConfiguration().scheme(getProtocol()).host("localhost").port(coapport);
                  decorateRestConfiguration(restConfig);
  
                  rest("/TestParams").get().to("direct:get1").post().to("direct:post1");
  
                  rest("/TestResource").get("/{id}").to("direct:get1").post("/{id}").to("direct:post1");
  
                  from("direct:get1").process(exchange -> {
                      String id = exchange.getIn().getHeader("id", String.class);
                      exchange.getMessage().setBody("Hello " + id);
                  });
  
                  from("direct:post1").process(exchange -> {
                      String id = exchange.getIn().getHeader("id", String.class);
                      String ct = exchange.getIn().getHeader(CoAPConstants.CONTENT_TYPE, String.class);
                      exchange.getMessage().setBody("Hello " + id + ": " + exchange.getIn().getBody(String.class));
                      exchange.getMessage().setHeader(CoAPConstants.CONTENT_TYPE, ct);
                  });
  
                  from("direct:start").toF(getClientURI(), coapport).to("mock:result");
              }
          };
      }
  
  }
  