/**
    *    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.foreach;
  
  import java.io.Reader;
  import java.sql.Connection;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.ibatis.io.Resources;
  import org.apache.ibatis.jdbc.ScriptRunner;
  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.BeforeClass;
  import org.junit.Test;
  
  public class ForEachTest {
  
    private static SqlSessionFactory sqlSessionFactory;
  
    @BeforeClass
    public static void setUp() throws Exception {
      // create a SqlSessionFactory
      Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/foreach/mybatis-config.xml");
      sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
      reader.close();
  
      // populate in-memory database
      SqlSession session = sqlSessionFactory.openSession();
      Connection conn = session.getConnection();
      reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/foreach/CreateDB.sql");
      ScriptRunner runner = new ScriptRunner(conn);
      runner.setLogWriter(null);
      runner.runScript(reader);
      reader.close();
      session.close();
    }
  
    @Test
    public void shouldGetAUser() {
      SqlSession sqlSession = sqlSessionFactory.openSession();
      try {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        User testProfile = new User();
        testProfile.setId(2);
        User friendProfile = new User();
        friendProfile.setId(6);
        List<User> friendList = new ArrayList<User>();
        friendList.add(friendProfile);
        testProfile.setFriendList(friendList);
        User user = mapper.getUser(testProfile);
        Assert.assertEquals("User6", user.getName());
      } finally {
        sqlSession.close();
      }
    }
  
    @Test
    public void shouldHandleComplexNullItem() {
      SqlSession sqlSession = sqlSessionFactory.openSession();
      try {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        User user1 = new User();
        user1.setId(2);
        user1.setName("User2");
        List<User> users = new ArrayList<User>();
        users.add(user1);
        users.add(null);
        int count = mapper.countByUserList(users);
        Assert.assertEquals(1, count);
      } finally {
        sqlSession.close();
      }
    }
  
    @Test
    public void shouldHandleMoreComplexNullItem() {
      SqlSession sqlSession = sqlSessionFactory.openSession();
      try {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        User user1 = new User();
        User bestFriend = new User();
        bestFriend.setId(5);
        user1.setBestFriend(bestFriend);
       List<User> users = new ArrayList<User>();
       users.add(user1);
       users.add(null);
       int count = mapper.countByBestFriend(users);
       Assert.assertEquals(1, count);
     } finally {
       sqlSession.close();
     }
   }
 
   @Test
   public void nullItemInContext() {
     SqlSession sqlSession = sqlSessionFactory.openSession();
     try {
       Mapper mapper = sqlSession.getMapper(Mapper.class);
       User user1 = new User();
       user1.setId(3);
       List<User> users = new ArrayList<User>();
       users.add(user1);
       users.add(null);
       String name = mapper.selectWithNullItemCheck(users);
       Assert.assertEquals("User3", name);
     } finally {
       sqlSession.close();
     }
   }
 
 }