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.cassandra.config;
  
  import java.util.Map;
  import java.util.Set;
  import java.util.TreeSet;
  
  import org.junit.Test;
  
  import org.assertj.core.api.Assertions;
  import org.yaml.snakeyaml.introspector.Property;
  
  public class LoaderTest
  {
      /**
       * This test mostly validates that DefaultLoader will match what SnakeYAML would do (if camel casing gets converted to snake),
       * if this test fails it is likely a new property was added and not properly picked up by one of the two implementations;
       * if you added a property and now this test is failing, make sure to follow all of the following rules:
       *
       * 1) public field
       * 2) getter AND setter
       * 3) if getter of Boolean, use "get" prefix rather than "is"
       */
      @Test
      public void allMatchProperties()
      {
          Class<?> klass = Config.class;
          // treeset makes error cleaner to read
          Set<String> properties = defaultImpl(klass).keySet();
          Assertions.assertThat(new TreeSet<>(properties))
                    .isEqualTo(new TreeSet<>(snake(klass).keySet()));
      }
  
      private static Map<String, Property> snake(Class<?> klass)
      {
          return new SnakeYamlLoader().flatten(klass);
      }
  
      private static Map<String, Property> defaultImpl(Class<?> klass)
      {
          return new DefaultLoader().flatten(klass);
      }
  }