Mybatis + Junit 单元测试

Posted 2022-10-24 笑虾

Mybatis + Junit 单元测试

• Mybatis配置文件
• Junit

Mybatis配置文件

src/main/resources/mybatis/mybatis-config-test.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
				"https://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
	<settings>
		<setting name="callSettersOnNulls" value="true" />
		<setting name="returnInstanceForEmptyRow" value="true"/>
		<setting name="cacheEnabled"             value="true" />  <!-- 全局映射器启用缓存 -->
		<setting name="useGeneratedKeys"         value="true" />  <!-- 允许 JDBC 支持自动生成主键 -->
		<setting name="defaultExecutorType"      value="REUSE" /> <!-- 配置默认的执行器 -->
		<setting name="logImpl"                  value="STDOUT_LOGGING" /> <!-- 指定 MyBatis 所用日志的具体实现 -->
		<setting name="mapUnderscoreToCamelCase" value="true"/>  <!-- 驼峰式命名 -->
	</settings>
	<environments default="development">
		<environment id="development">
			<transactionManager type="JDBC"/>
			<dataSource type="POOLED">
				<property name="driver" value="com.mysql.cj.jdbc.Driver"/>
				<property name="url" value="jdbc:mysql://127.0.0.1:3306/zcpt?useUnicode=true&amp;characterEncoding=utf8&amp;zeroDateTimeBehavior=convertToNull&amp;useSSL=true&amp;serverTimezone=GMT%2B8"/>
				<property name="username" value="jerry"/>
				<property name="password" value="jerry"/>
			</dataSource>
		</environment>
	</environments>
	<mappers>
		<mapper resource="mapper/testMapper.xml"/>
	</mappers>
</configuration>

Junit

@Slf4j
public class TestMapperTest 
    
    @Resource
    private TestMapper testMapper;

    @Before
    public void setUp() throws Exception 
        String resource = "mybatis/mybatis-config-test.xml";
        InputStream stream =Resources.getResourceAsStream(resource);
        SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(stream);
        //获取会话
        SqlSession sqlSession = sqlSessionFactory.openSession();
        //通过接口获取对象实例
        testMapper = sqlSession.getMapper(TestMapper.class);
    

    @Test
    public void queryById() 
        Hero hero = testMapper.queryById(1L);
        Assert.notNull(hero );
        log.info("\\n================== queryById ==================");
        log.info(JSONObject.toJSONString(hero , SerializerFeature.PrettyFormat));