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1   /*
2    *    Copyright 2009-2023 the original author or authors.
3    *
4    *    Licensed under the Apache License, Version 2.0 (the "License");
5    *    you may not use this file except in compliance with the License.
6    *    You may obtain a copy of the License at
7    *
8    *       https://www.apache.org/licenses/LICENSE-2.0
9    *
10   *    Unless required by applicable law or agreed to in writing, software
11   *    distributed under the License is distributed on an "AS IS" BASIS,
12   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *    See the License for the specific language governing permissions and
14   *    limitations under the License.
15   */
16  package org.apache.ibatis.submitted.default_method;
17  
18  import static org.junit.jupiter.api.Assertions.assertEquals;
19  
20  import java.io.Reader;
21  
22  import org.apache.ibatis.BaseDataTest;
23  import org.apache.ibatis.io.Resources;
24  import org.apache.ibatis.session.SqlSession;
25  import org.apache.ibatis.session.SqlSessionFactory;
26  import org.apache.ibatis.session.SqlSessionFactoryBuilder;
27  import org.apache.ibatis.submitted.default_method.Mapper.SubMapper;
28  import org.junit.jupiter.api.BeforeAll;
29  import org.junit.jupiter.api.Test;
30  
31  class DefaultMethodTest {
32  
33    private static SqlSessionFactory sqlSessionFactory;
34  
35    @BeforeAll
36    static void setUp() throws Exception {
37      // create an SqlSessionFactory
38      try (Reader reader = Resources
39          .getResourceAsReader("org/apache/ibatis/submitted/default_method/mybatis-config.xml")) {
40        sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
41      }
42  
43      // populate in-memory database
44      BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
45          "org/apache/ibatis/submitted/default_method/CreateDB.sql");
46    }
47  
48    @Test
49    void shouldInvokeDefaultMethod() {
50      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
51        Mapper mapper = sqlSession.getMapper(Mapper.class);
52        User user = mapper.defaultGetUser(1);
53        assertEquals("User1", user.getName());
54      }
55    }
56  
57    @Test
58    void shouldInvokeDefaultMethodOfSubclass() {
59      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
60        SubMapper mapper = sqlSession.getMapper(SubMapper.class);
61        User user = mapper.defaultGetUser("User1", 1);
62        assertEquals("User1", user.getName());
63      }
64    }
65  
66    @Test
67    void shouldInvokeDefaultMethodOfPackagePrivateMapper() {
68      try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
69        PackageMapper mapper = sqlSession.getMapper(PackageMapper.class);
70        User user = mapper.defaultGetUser(1);
71        assertEquals("User1", user.getName());
72      }
73    }
74  }