content: /*
   * Copyright 1999-2022 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.plugin.datasource;
  
  import com.alibaba.nacos.plugin.datasource.constants.DataSourceConstant;
  import com.alibaba.nacos.plugin.datasource.impl.mysql.AbstractMapperByMysql;
  import com.alibaba.nacos.plugin.datasource.mapper.ConfigInfoGrayMapper;
  import com.alibaba.nacos.plugin.datasource.mapper.Mapper;
  import com.alibaba.nacos.plugin.datasource.mapper.TestMapper;
  import org.junit.jupiter.api.Test;
  
  import java.lang.reflect.Field;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  class MapperManagerTest {
      
      @Test
      void testInstance() {
          MapperManager instance = MapperManager.instance(false);
          assertNotNull(instance);
      }
      
      @Test
      void testLoadInitial() throws NoSuchFieldException, IllegalAccessException {
          MapperManager instance = MapperManager.instance(false);
          instance.loadInitial();
          Class<MapperManager> mapperManagerClass = MapperManager.class;
          Field declaredField = mapperManagerClass.getDeclaredField("MAPPER_SPI_MAP");
          declaredField.setAccessible(true);
          Map<String, Map<String, Mapper>> map = (Map<String, Map<String, Mapper>>) declaredField.get(instance);
          assertEquals(2, map.size());
      }
      
      @Test
      void testJoin() {
          MapperManager.join(new AbstractMapperByMysql() {
              @Override
              public String getTableName() {
                  return "test";
              }
              
              @Override
              public String getDataSource() {
                  return DataSourceConstant.MYSQL;
              }
          });
          MapperManager instance = MapperManager.instance(false);
          Mapper mapper = instance.findMapper(DataSourceConstant.MYSQL, "test");
          assertNotNull(mapper);
      }
      
      @Test
      void testFindMapper() {
          testJoin();
          MapperManager instance = MapperManager.instance(false);
          Mapper mapper = instance.findMapper(DataSourceConstant.MYSQL, "test");
          assertNotNull(mapper);
      }
      
      @Test
      void testEnableDataSourceLogJoin() {
          MapperManager.join(new TestMapper());
          MapperManager instance = MapperManager.instance(true);
          ConfigInfoGrayMapper mapper = instance.findMapper(DataSourceConstant.MYSQL, "enable_data_source_log_test");
          assertNotNull(mapper);
      }
      
  }
  