/*
    *    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.deferload_common_property;
  
  import static org.junit.jupiter.api.Assertions.*;
  
  import java.io.Reader;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.ibatis.BaseDataTest;
  import org.apache.ibatis.io.Resources;
  import org.apache.ibatis.session.ResultContext;
  import org.apache.ibatis.session.ResultHandler;
  import org.apache.ibatis.session.SqlSession;
  import org.apache.ibatis.session.SqlSessionFactory;
  import org.apache.ibatis.session.SqlSessionFactoryBuilder;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Test;
  
  class CommonPropertyDeferLoadTest {
  
      private static SqlSessionFactory sqlSessionFactory;
      private static SqlSessionFactory lazyLoadSqlSessionFactory;
  
      @BeforeAll
      static void initDatabase() throws Exception {
          try (Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/deferload_common_property/ibatisConfig.xml")) {
              sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
          }
          try (Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/deferload_common_property/lazyLoadIbatisConfig.xml")) {
              lazyLoadSqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
          }
  
          BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
                  "org/apache/ibatis/submitted/deferload_common_property/CreateDB.sql");
      }
  
      @Test
      void testDeferLoadAfterResultHandler() {
          try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
              class MyResultHandler implements ResultHandler {
                  private List<Child> children = new ArrayList<>();
                  @Override
                  public void handleResult(ResultContext context) {
                      Child child = (Child)context.getResultObject();
                      children.add(child);
                  }
              }
              MyResultHandler myResultHandler = new MyResultHandler();
              sqlSession.select("org.apache.ibatis.submitted.deferload_common_property.ChildMapper.selectAll", myResultHandler);
              for (Child child: myResultHandler.children) {
                  assertNotNull(child.getFather());
              }
          }
      }
  
      @Test
      void testDeferLoadDuringResultHandler() {
          try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
              class MyResultHandler implements ResultHandler {
                  @Override
                  public void handleResult(ResultContext context) {
                      Child child = (Child)context.getResultObject();
                      assertNotNull(child.getFather());
                  }
              }
              sqlSession.select("org.apache.ibatis.submitted.deferload_common_property.ChildMapper.selectAll", new MyResultHandler());
          }
      }
  
      @Test
      void testDeferLoadAfterResultHandlerWithLazyLoad() {
          try (SqlSession sqlSession = lazyLoadSqlSessionFactory.openSession()) {
              class MyResultHandler implements ResultHandler {
                  private List<Child> children = new ArrayList<>();
                  @Override
                  public void handleResult(ResultContext context) {
                      Child child = (Child)context.getResultObject();
                      children.add(child);
                  }
              }
              MyResultHandler myResultHandler = new MyResultHandler();
              sqlSession.select("org.apache.ibatis.submitted.deferload_common_property.ChildMapper.selectAll", myResultHandler);
              for (Child child: myResultHandler.children) {
                  assertNotNull(child.getFather());
             }
         }
     }
 
     @Test
     void testDeferLoadDuringResultHandlerWithLazyLoad() {
         try (SqlSession sqlSession = lazyLoadSqlSessionFactory.openSession()) {
             class MyResultHandler implements ResultHandler {
                 @Override
                 public void handleResult(ResultContext context) {
                     Child child = (Child)context.getResultObject();
                     assertNotNull(child.getFather());
                 }
             }
             sqlSession.select("org.apache.ibatis.submitted.deferload_common_property.ChildMapper.selectAll", new MyResultHandler());
         }
     }
 }