public class CountryMapperTest {

    private static SqlSessionFactory sqlSessionFactory;

    @BeforeClass

    public static void init() {

        try {

            Reader reader = Resources.getResourceAsReader("mybatis-config.xml");

            sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);

            reader.close();

        } catch (IOException ignore) {

            ignore.printStackTrace();

        }

    }

    @Test

    public void testSelectAll() {

        SqlSession sqlSession = sqlSessionFactory.openSession();

        try {

            List<CountryEntity> countryList = sqlSession.selectList("TestList");

            printCountryList(countryList);

        } finally {

            //不要忘记关闭 sqlSession

            sqlSession.close();

        }

    }

}