/*
    *    Copyright 2009-2021 the original author or authors.
    *
    *    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 org.apache.ibatis.submitted.global_variables;
  
  import java.io.Reader;
  import java.lang.reflect.Field;
  
  import org.apache.ibatis.BaseDataTest;
  import org.apache.ibatis.cache.Cache;
  import org.apache.ibatis.io.Resources;
  import org.apache.ibatis.session.SqlSession;
  import org.apache.ibatis.session.SqlSessionFactory;
  import org.apache.ibatis.session.SqlSessionFactoryBuilder;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Test;
  
  class BaseTest {
  
    private static SqlSessionFactory sqlSessionFactory;
  
    @BeforeAll
    static void setUp() throws Exception {
      // create an SqlSessionFactory
      try (Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/global_variables/mybatis-config.xml")) {
        sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
      }
  
      // populate in-memory database
      BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
              "org/apache/ibatis/submitted/global_variables/CreateDB.sql");
    }
  
    @Test
    void shouldGetAUser() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        User user = mapper.getUser(1);
        CustomCache customCache = unwrap(sqlSessionFactory.getConfiguration().getCache(Mapper.class.getName()));
        Assertions.assertEquals("User1", user.getName());
        Assertions.assertEquals("foo", customCache.getStringValue());
        Assertions.assertEquals(10, customCache.getIntegerValue().intValue());
        Assertions.assertEquals(1000, customCache.getLongValue());
      }
    }
  
    @Test
    void shouldGetAUserFromAnnotation() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        AnnotationMapper mapper = sqlSession.getMapper(AnnotationMapper.class);
        User user = mapper.getUser(1);
        CustomCache customCache = unwrap(sqlSessionFactory.getConfiguration().getCache(Mapper.class.getName()));
        Assertions.assertEquals("User1", user.getName());
        Assertions.assertEquals("foo", customCache.getStringValue());
        Assertions.assertEquals(10, customCache.getIntegerValue().intValue());
        Assertions.assertEquals(1000, customCache.getLongValue());
      }
    }
  
    private CustomCache unwrap(Cache cache) {
      Field field;
      try {
        field = cache.getClass().getDeclaredField("delegate");
      } catch (NoSuchFieldException e) {
        throw new IllegalStateException(e);
      }
      try {
        field.setAccessible(true);
        return (CustomCache) field.get(cache);
      } catch (IllegalAccessException e) {
        throw new IllegalStateException(e);
      } finally {
        field.setAccessible(false);
      }
    }
  
  }