/*
    *    Copyright 2009-2023 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
    *
    *       https://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.discriminator;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.io.Reader;
  import java.util.List;
  
  import org.apache.ibatis.BaseDataTest;
  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.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Test;
  
  class DiscriminatorTest {
  
    private static SqlSessionFactory sqlSessionFactory;
  
    @BeforeAll
    static void setUp() throws Exception {
      // create an SqlSessionFactory
      try (
          Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/discriminator/mybatis-config.xml")) {
        sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
      }
  
      // populate in-memory database
      BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
          "org/apache/ibatis/submitted/discriminator/CreateDB.sql");
    }
  
    @Test
    void shouldSwitchResultType() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        List<Vehicle> vehicles = mapper.selectVehicles();
        assertEquals(Car.class, vehicles.get(0).getClass());
        assertEquals(Integer.valueOf(5), ((Car) vehicles.get(0)).getDoorCount());
        assertEquals(Truck.class, vehicles.get(1).getClass());
        assertEquals(Float.valueOf(1.5f), ((Truck) vehicles.get(1)).getCarryingCapacity());
      }
    }
  
    @Test
    void shouldInheritResultType() {
      // #486
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        List<Owner> owners = mapper.selectOwnersWithAVehicle();
        assertEquals(Truck.class, owners.get(0).getVehicle().getClass());
        assertEquals(Car.class, owners.get(1).getVehicle().getClass());
      }
    }
  
    @Test
    void shouldBeAppliedToResultMapInConstructorArg() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        List<Owner> owners = mapper.selectOwnersWithAVehicleConstructor();
        assertEquals(Truck.class, owners.get(0).getVehicle().getClass());
        assertEquals(Car.class, owners.get(1).getVehicle().getClass());
      }
    }
  
    @Test
    void shouldBeAppliedToResultMapInConstructorArgNested() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        List<Contract> contracts = mapper.selectContracts();
        assertEquals(2, contracts.size());
        assertEquals(Truck.class, contracts.get(0).getOwner().getVehicle().getClass());
        assertEquals(Car.class, contracts.get(1).getOwner().getVehicle().getClass());
      }
    }
  
  }