1
我有一个应用程序与DAO如下。我想要这个班级。我的类看起来像这样。Spring jdbcTemplate Junit
public class DaoImpl implements Dao{
@Override
public User getUserInfo(String userid) {
return getTemplate().queryForObject(QUERY, new Object[] { userid },
new BeanPropertyRowMapper<User>(User.class));
}
}
我的JUnit类看起来像这样
@RunWith(SpringJUnit4ClassRunner.class)
public class DaoImplTests{
@Autowired
private Dao dao;
@Mock
JdbcTemplate jdbcTemplate;
@Test
public void testUsingMockito() {
try {
User mockedUserInfo = new User();
//setters
mockedUserInfo.setXXX;
mockedUserInfo.setYYY;
Mockito.when(((JdbcDaoSupport)dao.getTemplate())).thenReturn(jdbcTemplate);
Mockito.when(jdbcTemplate.queryForObject(Mockito.anyString(), Mockito.any(Object[].class),
Mockito.any(RowMapper.class))).thenReturn(mockedUserInfo);
User userInfo = dao.getUserInfo("");
Assert.assertNotNull(userInfo);
Assert.assertEquals(mockedUserInfo.getXXX(), userInfo.getXXX());
//few more assertions
} catch (Exception e) {
Assert.fail(" : " + e.getMessage());
}
}
}
当我执行我获得以下从异常的Mockito这个测试用例。
org.mockito.exceptions.misusing.MissingMethodInvocationException:
when() requires an argument which has to be 'a method call on a mock'.
For example:
when(mock.getArticles()).thenReturn(articles);
Also, this error might show up because:
1. you stub either of: final/private/equals()/hashCode() methods.
Those methods *cannot* be stubbed/verified.
2. inside when() you don't call method on mock but on some other object.
3. the parent of the mocked class is not public.
It is a limitation of the mock engine.
我的查询:
- 如何JUnit的我的课
- 该异常来,因为getJdbcTemplate是最终JdbcDaoSupport类。这种方法有没有其他选择?
我使用后Spring jdbcTemplate unit testing
写我的JUnit不过,貌似这是行不通的。
不要模拟'JdbcTemplate',模拟数据源,例如在内存数据库中 –
模拟数据库似乎不适合我,因为数据库非常复杂和庞大。 – Javadroider
测试DAO时,不应该模拟数据库。这种测试应该是集成测试,数据库在后面运行。请阅读此处[如何测试数据访问层?](http://programmers.stackexchange.com/questions/219362/how-to-test-the-data-access-layer) – cheffe