我在Spring MVC中有一个模拟服务问题:
@Controller
public class CompanyController {
@Autowired
private CompanyService companyService;
@Autowired
private CompanyRelationService companyRelationService;
@GetMapping({"/", "/companies"})
public String displayCompanies(Model model) {
model.addAttribute("company", new Company());
List<Company> companies = companyService.findAll();
model.addAttribute("companies", companies);
return "companies";
}
}
并测试:
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest
public class CompanyTests {
@Autowired
private WebApplicationContext webApplicationContext;
@Mock
CompanyService companyServiceMock;
private MockMvc mockMvc;
@Before
public void setUp() {
Mockito.reset(companyServiceMock);
mockMvc = MockMvcBuilders.webAppContextSetup(webApplicationContext).build();
MockitoAnnotations.initMocks(this);
}
@Test
public void shouldListAllCompanies() throws Exception {
Company company1 = new Company("company1", new Address());
Company company2 = new Company("company2", new Address());
when(companyServiceMock.findAll()).thenReturn(Arrays.asList(company1, company2));
mockMvc.perform(get("/companies"))
.andExpect(status().isOk())
.andExpect(view().name("companies"))
.andExpect(model().attribute("companies", hasSize(2)))
.andExpect(model().attribute("companies", hasItem(
allOf(
hasProperty("name", is("company1")))
)))
.andExpect(model().attribute("companies", hasItem(
allOf(
hasProperty("name", is("company2"))
)
)));
}
}
问题是为什么我从真实服务而不是模拟(company1,company2)获得公司:
java.lang.AssertionError: Model attribute 'companies'
Expected: a collection containing (hasProperty("name", is "company1"))
but: hasProperty("name", is "company1") property 'name' was "companyFromRealService",
hasProperty("name", is "company1") property 'name' was "CompanyFromRealService2"
更新了Test类,删除了setUp并将@Bean更改为@MockBean,但保留了@SpringBootTest并可以使用:
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest
@AutoConfigureMockMvc
public class CompanyTests {
@MockBean
private CompanyService companyServiceMock;
@Autowired
private MockMvc mockMvc;
@Test
@WithMockUser(roles = "ADMIN")
public void shouldListAllCompanies() throws Exception {
Company company1 = new Company("company1", new Address());
Company company2 = new Company("company2", new Address());
when(companyServiceMock.findAll()).thenReturn(Arrays.asList(company1, company2));
mockMvc.perform(get("/companies"))
.andExpect(status().isOk())
.andExpect(view().name("companies"))
.andExpect(model().attribute("companies", hasSize(2)))
.andExpect(model().attribute("companies", hasItem(
allOf(
hasProperty("name", is("companyFromRealService1")))
)))
.andExpect(model().attribute("companies", hasItem(
allOf(
hasProperty("name", is("companyFromRealService2"))
)
)));
}
}
首先,如果您只是测试应用程序的控制器片段,则应使用@WebMvcTest
注释而不是@SpringBootTest
(可以在此处找到更多信息)。您可以使用它像这样:@WebMvcTest(CompanyController.class)
。
其次,您为什么MockMvc
在setUp()
方法上遇到麻烦?您可以setUp
按照人们在评论和@Autowire
MockMvc中的建议删除该方法。
最后,当您使用Spring Boot时,最好使用它@MockBean
而不是@Mock
Spring库中的包装版本。
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