/**
    *    Copyright 2009-2019 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.multipleresultsetswithassociation;
  
  import java.io.Reader;
  import java.sql.Connection;
  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.jupiter.api.Assertions;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Test;
  
  /*
   * This class contains tests for multiple result sets with an association mapping.
   * This test is based on the org.apache.ibatis.submitted.multiple_resultsets test.
   *
   */
  class MultipleResultSetTest {
  
    private static SqlSessionFactory sqlSessionFactory;
  
    @BeforeAll
    static void setUp() throws Exception {
      try (Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/multipleresultsetswithassociation/mybatis-config.xml")) {
        sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
      }
  
      // populate in-memory database
      // Could not get the table creation, procedure creation, and data population to work from the same script.
      // Once it was in three scripts, all seemed well.
      try (SqlSession session = sqlSessionFactory.openSession();
           Connection conn = session.getConnection()) {
        try (Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/multipleresultsetswithassociation/CreateDB1.sql")) {
          runReaderScript(conn, reader);
        }
        try (Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/multipleresultsetswithassociation/CreateDB2.sql")) {
          runReaderScript(conn, reader);
        }
        try (Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/multipleresultsetswithassociation/CreateDB3.sql")) {
          runReaderScript(conn, reader);
        }
      }
    }
  
    private static void runReaderScript(Connection conn, Reader reader) {
      ScriptRunner runner = new ScriptRunner(conn);
      runner.setLogWriter(null);
      runner.setSendFullScript(true);
      runner.setAutoCommit(true);
      runner.setStopOnError(false);
      runner.runScript(reader);
    }
  
    @Test
    void shouldGetOrderDetailsEachHavingAnOrderHeader() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        List<OrderDetail> orderDetails = mapper.getOrderDetailsWithHeaders();
  
        // There are six order detail records in the database
        // As long as the data does not change this should be successful
        Assertions.assertEquals(6, orderDetails.size());
  
        // Each order detail should have a corresponding OrderHeader
        // Only 2 of 6 orderDetails have orderHeaders
        for(OrderDetail orderDetail : orderDetails){
            Assertions.assertNotNull(orderDetail.getOrderHeader());
        }
      }
    }
  
    @Test
    void shouldGetOrderDetailsEachHavingAnOrderHeaderAnnotationBased() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        List<OrderDetail> orderDetails = mapper.getOrderDetailsWithHeadersAnnotationBased();
  
        // There are six order detail records in the database
        // As long as the data does not change this should be successful
        Assertions.assertEquals(6, orderDetails.size());
  
       // Each order detail should have a corresponding OrderHeader
       // Only 2 of 6 orderDetails have orderHeaders
       for(OrderDetail orderDetail : orderDetails){
           Assertions.assertNotNull(orderDetail.getOrderHeader());
       }
     }
   }
 
 }