/*
    *    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.ancestor_ref;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.io.Reader;
  
  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 AncestorRefTest {
    private static SqlSessionFactory sqlSessionFactory;
  
    @BeforeAll
    static void setUp() throws Exception {
      // create an SqlSessionFactory
      try (Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/ancestor_ref/mybatis-config.xml")) {
        sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
      }
  
      // populate in-memory database
      BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
          "org/apache/ibatis/submitted/ancestor_ref/CreateDB.sql");
    }
  
    @Test
    void testCircularAssociation() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        User user = mapper.getUserAssociation(1);
        assertEquals("User2", user.getFriend().getName());
      }
    }
  
    @Test
    void testCircularCollection() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        User user = mapper.getUserCollection(2);
        assertEquals("User2", user.getFriends().get(0).getName());
        assertEquals("User3", user.getFriends().get(1).getName());
      }
    }
  
    @Test
    void testAncestorRef() {
      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
        Mapper mapper = sqlSession.getMapper(Mapper.class);
        Blog blog = mapper.selectBlog(1);
        assertEquals("Author1", blog.getAuthor().getName());
        assertEquals("Author2", blog.getCoAuthor().getName());
        // author and coauthor should have a ref to blog
        assertEquals(blog, blog.getAuthor().getBlog());
        assertEquals(blog, blog.getCoAuthor().getBlog());
        // reputation should point to it author? or fail but do not point to a random one
        assertEquals(blog.getAuthor(), blog.getAuthor().getReputation().getAuthor());
        assertEquals(blog.getCoAuthor(), blog.getCoAuthor().getReputation().getAuthor());
      }
    }
  }