ForEachTest.java

/**
 *    Copyright 2009-2017 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.Arrays;
import java.util.List;

import org.apache.ibatis.exceptions.PersistenceException;
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;

import static com.googlecode.catchexception.apis.BDDCatchException.*;
import static org.assertj.core.api.BDDAssertions.then;

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();
    }
  }

  @Test
  public void shouldReportMissingPropertyName() {
    SqlSession sqlSession = sqlSessionFactory.openSession();
    try {
      Mapper mapper = sqlSession.getMapper(Mapper.class);
      when(mapper).typoInItemProperty(Arrays.asList(new User()));
      then(caughtException()).isInstanceOf(PersistenceException.class)
        .hasMessageContaining("There is no getter for property named 'idd' in 'class org.apache.ibatis.submitted.foreach.User'");
    } finally {
      sqlSession.close();
    }
  }

}