FolderMapperTest.java

/**
 *    Copyright 2009-2015 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 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.Assert;
import org.junit.Test;

import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.util.List;

/**
 * @author Loïc Guerrin <guerrin@fullsix.com>
 */
public class FolderMapperTest {

  @Test
  public void testFindWithChildren() throws Exception {
    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";
    InputStream inputStream = Resources.getResourceAsStream(resource);
    SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);

    SqlSession session = sqlSessionFactory.openSession();
    FolderMapper postMapper = session.getMapper(FolderMapper.class);

    List<FolderFlatTree> folders = postMapper.findWithSubFolders("Root");

    Assert.assertEquals(3, folders.size());

    session.close();
  }

}