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.snakeyaml;
  
  import org.apache.camel.CamelExecutionException;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.component.snakeyaml.model.RexPojo;
  import org.apache.camel.component.snakeyaml.model.TestPojo;
  import org.apache.camel.component.snakeyaml.model.UnsafePojo;
  import org.yaml.snakeyaml.constructor.ConstructorException;
  
  import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public final class SnakeYAMLTypeFilterHelper {
      private SnakeYAMLTypeFilterHelper() {
      }
  
      static void testSafeConstructor(ProducerTemplate template) {
  
          Exception ex = assertThrows(CamelExecutionException.class,
                  () -> template.sendBody(
                          "direct:safe-constructor",
                          "!!org.apache.camel.component.snakeyaml.model.TestPojo {name: Camel}"),
                  "As SnakeYAML uses SafeConstructor, custom types should not be allowed");
  
          assertTrue(ex.getCause() instanceof ConstructorException);
      }
  
      static void testTypeConstructor(ProducerTemplate template) {
          Object result = assertDoesNotThrow(() -> template.requestBody(
                  "direct:type-constructor",
                  "!!org.apache.camel.component.snakeyaml.model.TestPojo {name: Camel}"));
  
          assertNotNull(result);
          assertTrue(result instanceof TestPojo);
  
          Exception ex = assertThrows(CamelExecutionException.class,
                  () -> template.sendBody(
                          "direct:type-constructor",
                          "!!org.apache.camel.component.snakeyaml.model.UnsafePojo {name: Camel}"),
                  "As SnakeYAML filters class is can unmarshall, UnsafePojo should not be allowed");
  
          // Wrapped by SnakeYAML
          assertTrue(ex.getCause() instanceof ConstructorException);
          // Thrown by SnakeYAMLDataFormat
          assertTrue(ex.getCause().getCause() instanceof IllegalArgumentException);
      }
  
      static void testTypeConstructorFromDefinition(ProducerTemplate template) {
          Object result;
  
          // TestPojo --> from definition type:
          result = assertDoesNotThrow(() -> template.requestBody(
                  "direct:type-constructor-strdef",
                  "!!org.apache.camel.component.snakeyaml.model.TestPojo {name: Camel}"));
  
          assertNotNull(result);
          assertTrue(result instanceof TestPojo);
  
          // RexPojo --> from definition rex:
          result = assertDoesNotThrow(() -> template.requestBody(
                  "direct:type-constructor-strdef",
                  "!!org.apache.camel.component.snakeyaml.model.RexPojo {name: Camel}"));
  
          assertNotNull(result);
          assertTrue(result instanceof RexPojo);
  
          Exception ex = assertThrows(CamelExecutionException.class,
                  () -> template.sendBody(
                          "direct:type-constructor-strdef",
                          "!!org.apache.camel.component.snakeyaml.model.UnsafePojo {name: Camel}"),
                  "As SnakeYAML filters class is can unmarshall, UnsafePojo should not be allowed");
  
          // Wrapped by SnakeYAML
          assertTrue(ex.getCause() instanceof ConstructorException);
          // Thrown by SnakeYAMLDataFormat
          assertTrue(ex.getCause().getCause() instanceof IllegalArgumentException);
      }
  
      static void testAllowAllConstructor(ProducerTemplate template) {
          Object testPojo = assertDoesNotThrow(() -> template.requestBody(
                  "direct:all-constructor",
                  "!!org.apache.camel.component.snakeyaml.model.TestPojo {name: Camel}"));
  
          assertNotNull(testPojo);
          assertTrue(testPojo instanceof TestPojo);
  
          Object unsafePojo = assertDoesNotThrow(() -> template.requestBody(
                  "direct:all-constructor",
                  "!!org.apache.camel.component.snakeyaml.model.UnsafePojo {name: Camel}"));
  
          assertNotNull(unsafePojo);
          assertTrue(unsafePojo instanceof UnsafePojo);
      }
  }
  