我有以下控制器
@RequestMapping("/locations")
@AllArgsConstructor
@RestController
public class LocationController {
private final LocationService locationService;
@PostMapping
public ResponseEntity<LocationDTO> createLocation(@Valid @RequestBody LocationDTO locationDTO) {
Location location = locationService.createLocation(toLocation(locationDTO));
URI uri = ServletUriComponentsBuilder.fromCurrentRequest()
.path("/{id}")
.buildAndExpand(location.getId())
.toUri();
return ResponseEntity.created(uri).body(toDTO(location));
}
//other methods
}
和测试
@WebMvcTest(LocationController.class)
class LocationControllerTest {
@Autowired
private MockMvc mvc;
@Autowired
private ObjectMapper objectMapper;
@MockBean
private LocationService locationService;
@MockBean
private MappingMongoConverter mappingMongoConverter;
@WithMockUser(value = "test")
@Test
void createLocation() throws Exception {
GeoJsonPoint testGeoJsonPoint = new GeoJsonPoint(123, 123);
LocationProperties testLocationProperties = new LocationProperties("testName", "testDesc");
Location testLocation = new Location("testId", testGeoJsonPoint, testLocationProperties);
String locationDTOString = objectMapper.writeValueAsString(toDTO(testLocation));
mvc.perform(post("/locations")
.contentType(APPLICATION_JSON)
.content(locationDTOString)
.characterEncoding("utf-8"))
.andDo(print())
.andExpect(status().isCreated())
.andExpect(content().contentType(APPLICATION_JSON))
.andExpect(content().json(locationDTOString))
.andExpect(header().string("uri", "http://localhost:8080/api/locations/testId"));
}
}
测试结果: 解决的异常:类型= java.lang.NullPointerException
java.lang.AssertionError:预期状态:<201>但为:<500> 预期:201 实际:500
似乎是Location location = locationService.createLocation(toLocation(locationDTO));此位置设置为null。我该如何解决?任何帮助表示赞赏。
答案 0 :(得分:0)
模拟的LocationService可能返回null(在我的测试中确实如此)。对于此测试,LocationService应该是Location Service的真实实例,而不是模拟。
答案 1 :(得分:0)
因为它是一个模拟Bean,所以我不得不模拟服务的行为
when(locationService.createLocation(any())).thenReturn(testLocation);