的Mockito模拟Java函数我有一个类,像这样:与内部方法
@Component
public class AddressConverter {
public Function<Address, AddressDTO> convertToDTO = new Function<Address, AddressDTO>() {
public AddressDTO apply(Address address) {
AddressDTO dto = new AddressDTO();
dto.setAddress1(address.getAddress1());
dto.setAddress2(address.getAddress2());
dto.setCity(address.getCity());
dto.setState(address.getState());
dto.setZip(address.getZip());
dto.setZip4(address.getZip4());
return dto;
}
};
}
我有一个使用这像这样其他类:
@Component
public class ProfileConverter {
@Autowired
private AddressConverter addressConverter;
public Function<Profile, ProfileDTO> convertToDTO = new Function<Profile, ProfileDTO>() {
public ProfileDTO apply(Profile profile) {
ProfileDTO dto = new ProfileDTO();
dto.setEmployeeAddress(addressConverter.convertToDTO.apply(profile.getEmployeeAddress()));
return dto;
}
};
}
我想嘲笑addressConverter类像:
EDIT: HERE IS THE TEST CLASS
public class ProfileConverterTest {
ProfileConverter converter;
AddressConverter addressConverter;
Profile profile;
ProfileDTO dto;
Address address;
AddressDTO addressDTO;
@Before
public void setUp() {
converter = new ProfileConverter();
addressConverter = Mockito.mock(AddressConverter.class);
profile = new Profile();
profile.setProfileId(123L);
dto = new ProfileDTO();
Mockito.when(addressConverter.convertFromDTO.apply(addressDTO)).thenReturn(address);
Mockito.when(addressConverter.convertToDTO.apply(address)).thenReturn(addressDTO);
ReflectionTestUtils.setField(converter, "addressConverter", addressConverter);
address = new Address("1","2","3","4","5","6");
address.setAddressId(123L);
addressDTO = new AddressDTO("hash","1","2","3","4","5","6");
}
@Test
public void applyReturnsProfileDTO() throws Exception {
ProfileDTO result = converter.convertToDTO.apply(profile);
assertEquals(result.getEmployeeAddress().getAddress1(), profile.getEmployeeAddress().getAddress1());
}
}
我在第一个Mockito.when行测试了一个NullPointerException。我想这是由模拟addressConverter类调用调用内部方法的函数引起的。该函数可能为空?
你在哪一行得到NPE?你能提供你的测试方法吗?更一般的问题是:为什么你试图嘲笑一个非常简单的类? –
寻求调试帮助的问题(“为什么这个代码不工作?”)必须包含所需的行为,特定的问题或错误以及在问题本身中重现问题所需的最短代码。没有明确问题陈述的问题对其他读者无益。请参阅:如何创建[mcve]。使用“编辑”链接来改善你的*问题* - 不要通过评论添加更多信息。谢谢! – GhostCat
当你忽略所有重要部分时,我们应该如何知道你的测试正在做什么? – GhostCat