spring—如何在java中使用mockito模拟局部变量

m4pnthwp 于 2021-07-13 发布在 Java

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class Testing{
 @Autowired
 ClassA classa; 
public void test(){
    MyService service = classa.someMethod();
service.getID(); //service is always null on this line
   }
}
ClassA {
public MyService someMethod(){
return Myservice.builder().id(1l).build();
}
}
import lombok.Builder;
import lombok.Getter;
@Builder
@Getter
public class MyService {
    private Long id;
    private Long externalId;
}

试图模仿“myservice服务”，它总是空的。我们怎么嘲笑它？
myservice是一个builder类，@builder来自import lombok.builder；包裹

Java spring Mockito PowerMockito powermock

来源：https://stackoverflow.com/questions/67114891/how-to-mock-a-local-variable-using-mockito-in-java

2条答案

按热度按时间

ds97pgxw1#

@ExtendWith(MockitoExtension.class)
class Testing{
    @Mock
    MyService service;
    public void test(){
        when(service.getID()).thenReturn(1);
        service.getID()
    }
}

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pod7payv2#

使用junit4+mockito

@RunWith(MockitoJUnitRunner.class)
public class ClassATest {
    @Mock
    ClassA classa;
    @Test
    public void test(){
        //Arrange
        MyService service = MyService.builder().id(1l).build();
        when(classa.someMethod()).thenReturn(service);
        //Act
        MyService returnedService = classa.someMethod();
        //Assert
        assertEquals(1L, returnedService.getId().longValue());
    }
}

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spring—如何在java中使用mockito模拟局部变量

2条答案

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