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 org.apache.camel.RoutesBuilder;
  import org.apache.camel.builder.RouteBuilder;
  import org.eclipse.californium.elements.config.Configuration;
  import org.eclipse.californium.elements.util.Bytes;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.*;
  
  public class CoAPMethodRestrictTest extends CoAPTestSupport {
  
      @Test
      void testDefaultCoAPMethodRestrict() {
          Configuration.createStandardWithoutFile();
  
          // All request methods should be valid on this endpoint
          assertCoAPMethodRestrictResponse("/test", CoAPConstants.METHOD_RESTRICT_ALL, "GET: /test");
      }
  
      @Test
      void testSpecifiedCoAPMethodRestrict() {
          Configuration.createStandardWithoutFile();
  
          // Only GET is valid for /test/a
          assertCoAPMethodRestrictResponse("/test/a", "GET", "GET: /test/a");
  
          // Only DELETE is valid for /test/a/b
          assertCoAPMethodRestrictResponse("/test/a/b", "DELETE", "DELETE: /test/a/b");
  
          // Only DELETE & GET are valid for /test/a/b/c
          assertCoAPMethodRestrictResponse("/test/a/b/c", "DELETE,GET", "DELETE & GET: /test/a/b/c");
  
          // Only GET is valid for /test/b
          assertCoAPMethodRestrictResponse("/test/b", "GET", "GET: /test/b");
      }
  
      private void assertCoAPMethodRestrictResponse(String path, String methodRestrict, String expectedResponse) {
          for (String method : CoAPConstants.METHOD_RESTRICT_ALL.split(",")) {
              String result = template.requestBodyAndHeader("coap://localhost:" + PORT + path, null, CoAPConstants.COAP_METHOD,
                      method, String.class);
              if (methodRestrict.contains(method)) {
                  assertEquals(expectedResponse, result);
              } else {
                  assertArrayEquals(Bytes.EMPTY, result.getBytes());
              }
          }
      }
  
      @Override
      protected RoutesBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
                  fromF("coap://localhost:%d/test", PORT).setBody(constant("GET: /test"));
  
                  fromF("coap://localhost:%d/test/a?coapMethodRestrict=GET", PORT).setBody(constant("GET: /test/a"));
  
                  fromF("coap://localhost:%d/test/a/b?coapMethodRestrict=DELETE", PORT).setBody(constant("DELETE: /test/a/b"));
  
                  fromF("coap://localhost:%d/test/a/b/c?coapMethodRestrict=DELETE,GET", PORT)
                          .setBody(constant("DELETE & GET: /test/a/b/c"));
  
                  fromF("coap://localhost:%d/test/b?coapMethodRestrict=GET", PORT).setBody(constant("GET: /test/b"));
              }
          };
      }
  }
  