content: /*
   * Copyright 1999-2023 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.config.server.service.dump.disk;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import java.lang.reflect.Field;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  @ExtendWith(MockitoExtension.class)
  class ConfigDiskServiceFactoryTest {
      
      @BeforeEach
      void before() throws Exception {
          clearDiskInstance();
      }
      
      @AfterEach
      void after() {
      
      }
      
      @Test
      void getRawDiskInstance() {
          System.setProperty("config_disk_type", "rawdisk");
          ConfigDiskService instance = ConfigDiskServiceFactory.getInstance();
          assertTrue(instance instanceof ConfigRawDiskService);
      }
      
      @Test
      void getRockDbDiskInstance() {
          System.setProperty("config_disk_type", "rocksdb");
          ConfigDiskService instance = ConfigDiskServiceFactory.getInstance();
          assertTrue(instance instanceof ConfigRocksDbDiskService);
      }
      
      @Test
      void getDefaultRawDiskInstance() {
          System.setProperty("config_disk_type", "123");
          ConfigDiskService instance = ConfigDiskServiceFactory.getInstance();
          assertTrue(instance instanceof ConfigRawDiskService);
      }
      
      private void clearDiskInstance() throws Exception {
          Field configDiskService = ConfigDiskServiceFactory.class.getDeclaredField("configDiskService");
          configDiskService.setAccessible(true);
          configDiskService.set(null, null);
      }
  }
  