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 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.assertTrue;
  
  class PropertiesChangeParserTest {
      
      private final PropertiesChangeParser parser = new PropertiesChangeParser();
      
      private final String type = "properties";
      
      @Test
      void testType() {
          assertTrue(parser.isResponsibleFor(type));
      }
      
      @Test
      void testAddKey() throws IOException {
          Map<String, ConfigChangeItem> map = parser.doParse("", "app.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.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.name = rocketMQ", "app.name = nacos", type);
          assertEquals("rocketMQ", map.get("app.name").getOldValue());
          assertEquals("nacos", map.get("app.name").getNewValue());
      }
      
  }
  
  