/*
    *    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.association_nested;
  
  import java.io.InputStream;
  import java.sql.Connection;
  import java.sql.DriverManager;
  import java.sql.Statement;
  import java.util.List;
  
  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.Test;
  
  /**
   * @author Loïc Guerrin <guerrin@fullsix.com>
   */
  class FolderMapperTest {
  
    @Test
    void testFindWithChildren() throws Exception {
      try (Connection conn = DriverManager.getConnection("jdbc:hsqldb:mem:association_nested", "SA", "");
           Statement stmt = conn.createStatement()) {
        stmt.execute("create table folder (id int, name varchar(100), parent_id int)");
        stmt.execute("insert into folder (id, name) values(1, 'Root')");
        stmt.execute("insert into folder values(2, 'Folder 1', 1)");
        stmt.execute("insert into folder values(3, 'Folder 2', 1)");
        stmt.execute("insert into folder values(4, 'Folder 2_1', 3)");
        stmt.execute("insert into folder values(5, 'Folder 2_2', 3)");
      }
  
      /**
       * Root/
       *    Folder 1/
       *    Folder 2/
       *      Folder 2_1
       *      Folder 2_2
       */
  
      String resource = "org/apache/ibatis/submitted/association_nested/mybatis-config.xml";
      try (InputStream inputStream = Resources.getResourceAsStream(resource)) {
        SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
        try (SqlSession session = sqlSessionFactory.openSession()) {
          FolderMapper postMapper = session.getMapper(FolderMapper.class);
  
          List<FolderFlatTree> folders = postMapper.findWithSubFolders("Root");
  
          Assertions.assertEquals(3, folders.size());
        }
      }
    }
  
  }