我目前正在研究 Mockito 框架,并使用 Mockito 创建了几个测试用例.但后来我读到,我可以使用 @Mock
和 @InjectMocks
而不是调用 mock(SomeClass.class) - 我唯一的需要做的是用 @RunWith(MockitoJUnitRunner.class)
注释我的测试类或使用 MockitoAnnotations.initMocks(this);
在 @Before代码>方法.
I'm currently studying the Mockito framework and I've created several test cases using Mockito.
But then I read that instead of invoking mock(SomeClass.class) I can use the @Mock
and the @InjectMocks
- The only thing I need to do is to annotate my test class with @RunWith(MockitoJUnitRunner.class)
or use the MockitoAnnotations.initMocks(this);
in the @Before
method.
但它不起作用 - @Mock
似乎不起作用!这是我的 2 个代码修订版 - 一个使用注释,一个没有.
But it doesn't work - It seems that the @Mock
won't work!
Here is my 2 codes revisions - one using the annotations and one without.
我做错了什么?
public class ReportServiceImplTestMockito {
private TaskService mockTaskService; // This is the Mock object
private ReportServiceImpl service;
@Before
public void init(){
service = new ReportServiceImpl();
mockTaskService = mock(TaskServiceImpl.class);
service.setTaskServiceImpl(mockTaskService);
}
/// ...
Some tests
}
正如我所说 - 这工作很棒.但以下不会:
As I said - this work great. But the following wont:
@RunWith(MockitoJUnitRunner.class)
public class ReportServiceImplTestMockito {
@Mock
private TaskService mockTaskService;
@InjectMocks
private ReportServiceImpl service;
// Some tests
}
这里是 ReportServiceImpl
类:
@Service
public class ReportServiceImpl implements ReportService {
@Autowired
private TaskService taskServiceImpl;
public ReportServiceImpl(){}
public ReportServiceImpl(TaskService taskService){
this.taskServiceImpl = taskService;
}
public void setTaskServiceImpl(TaskService taskServiceImpl) {
this.taskServiceImpl = taskServiceImpl;
}
}
我错过了什么?
好吧,我搞错了!!!我使用了 @InjectMocks
但在 init() 方法中初始化了相同的变量...所以发生的事情是,mockito 将模拟对象注入到我的变量中 - 但几秒钟后我运行了它 - 初始化了同一个变量!!!
O.K, I got my mistake!!!
I've used the @InjectMocks
but initialized the same variable in the init() method...
So what happened was that mockito injected the mock objects to my variable - but seconds later I ran it over - initializing that very same variable!!!
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