/*
    *    Copyright 2009-2022 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.null_associations;
  
  import java.sql.Connection;
  import java.sql.SQLException;
  
  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.AfterAll;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  class FooMapperTest {
  
    private final static String SQL_MAP_CONFIG = "org/apache/ibatis/submitted/null_associations/sqlmap.xml";
    private static SqlSession session;
    private static Connection conn;
  
    @BeforeAll
    static void setUpBeforeClass() throws Exception {
      final SqlSessionFactory factory = new SqlSessionFactoryBuilder()
          .build(Resources.getResourceAsReader(SQL_MAP_CONFIG));
      session = factory.openSession();
      conn = session.getConnection();
  
      BaseDataTest.runScript(factory.getConfiguration().getEnvironment().getDataSource(),
          "org/apache/ibatis/submitted/null_associations/create-schema-mysql.sql");
    }
  
    @BeforeEach
    void setUp() {
      final FooMapper mapper = session.getMapper(FooMapper.class);
      mapper.deleteAllFoo();
      session.commit();
    }
  
    @Test
    void testNullAssociation() {
      final FooMapper mapper = session.getMapper(FooMapper.class);
      final Foo foo = new Foo(1L, null, true);
      mapper.insertFoo(foo);
      session.commit();
      final Foo read = mapper.selectFoo();
      Assertions.assertEquals(1L, read.getField1(), "Invalid mapping");
      Assertions.assertNull(read.getField2(), "Invalid mapping - field2 (Bar) should be null");
      Assertions.assertTrue(read.isField3(), "Invalid mapping");
    }
  
    @Test
    void testNotNullAssociation() {
      final FooMapper mapper = session.getMapper(FooMapper.class);
      final Bar bar = new Bar(1L, 2L, 3L);
      final Foo foo = new Foo(1L, bar, true);
      mapper.insertFoo(foo);
      session.commit();
      final Foo read = mapper.selectFoo();
      Assertions.assertEquals(1L, read.getField1(), "Invalid mapping");
      Assertions.assertNotNull(read.getField2(), "Bar should be not null");
      Assertions.assertTrue(read.isField3(), "Invalid mapping");
      Assertions.assertEquals(1L, read.getField2().getField1(), "Invalid mapping");
      Assertions.assertEquals(2L, read.getField2().getField2(), "Invalid mapping");
      Assertions.assertEquals(3L, read.getField2().getField3(), "Invalid mapping");
    }
  
    @AfterAll
    static void tearDownAfterClass() throws SQLException {
      conn.close();
      session.close();
    }
  
  }