Question

我有多个控制器，我的理解是通过在@WebMvcTest中指定一个控制器，其他控制器不会被加载到上下文中。来自docs

controllers - 指定要测试的控制器。如果应将所有@Controller bean添加到应用程序上下文中，则可以留空。

我的第一个控制器

@Controller
public class MyController {

    @Autowired
    private MyService myService;

    private final Logger logger = Logger.getLogger(this.getClass());

    @RequestMapping(value = "/", method = RequestMethod.GET)
    public @ResponseBody ResponseEntity<String> index() {
        try {
            myService.get();
            return new ResponseEntity<String>(HttpStatus.OK);
        } catch (Exception e) {
            logger.error(e);
            e.printStackTrace();
        }
        return new ResponseEntity<String>("REQUEST FAILED", HttpStatus.INTERNAL_SERVER_ERROR);
    }

}

我的其他控制器

@Controller
public class MyOtherController {

    @Autowired
    private MyOtherService myOtherService;

    etc...
}

我的控制器测试

@RunWith(SpringRunner.class)
@WebMvcTest(controllers = { MyController.class }, secure = false)
@ActiveProfiles({ "test" })
public class MyControllerTest {

    @Autowired
    private MockMvc mockMvc;

    @MockBean
    MyService myService;

    @Test
    public void testBaseReq() throws Exception {
        Testing dummyData = new Testing();
        dummyData.setData("testing");
        when(myService.get(anyInt())).thenReturn(dummyData);

        this.mockMvc.perform(get("/")).andDo(print()).andExpect(status().isOk());
    }
}

但是当我运行此测试时，在加载上下文时，它无法尝试从MyOtherContoller加载bean MyOtherService。

2017-09-28 11:50:11.687 DEBUG 16552 --- [           main] o.s.b.f.s.DefaultListableBeanFactory     : Creating shared instance of singleton bean 'myOtherController'
2017-09-28 11:50:11.687 DEBUG 16552 --- [           main] o.s.b.f.s.DefaultListableBeanFactory     : Creating instance of bean 'myOtherController'
2017-09-28 11:50:11.687 DEBUG 16552 --- [           main] o.s.b.f.annotation.InjectionMetadata     : Registered injected element on class [my.package.other.myOtherController]: AutowiredFieldElement for private my.package.other.myOtherService my.package.other.myOtherController.myOtherService
2017-09-28 11:50:11.687 DEBUG 16552 --- [           main] o.s.b.f.s.DefaultListableBeanFactory     : Eagerly caching bean 'myOtherController' to allow for resolving potential circular references
2017-09-28 11:50:11.687 DEBUG 16552 --- [           main] o.s.b.f.annotation.InjectionMetadata     : Processing injected element of bean 'myOtherController': AutowiredFieldElement for private my.package.other.myOtherService my.package.other.myOtherController.myOtherService
2017-09-28 11:50:11.688 DEBUG 16552 --- [           main] o.s.b.f.s.DefaultListableBeanFactory     : Creating shared instance of singleton bean 'myOtherService'
2017-09-28 11:50:11.688 DEBUG 16552 --- [           main] o.s.b.f.s.DefaultListableBeanFactory     : Creating instance of bean 'myOtherService'
2017-09-28 11:50:11.689 DEBUG 16552 --- [           main] o.s.b.f.annotation.InjectionMetadata     : Registered injected element on class [my.package.other.myOtherService]: AutowiredFieldElement for private my.package.other.myOtherMapper my.package.other.myOtherService.myOtherMapper
2017-09-28 11:50:11.689 DEBUG 16552 --- [           main] o.s.b.f.annotation.InjectionMetadata     : Registered injected element on class [my.package.other.myOtherService]: AutowiredFieldElement for private ie.aib.services.coredemo.FinancialsRegionService my.package.other.myOtherService.financialsRegionService
2017-09-28 11:50:11.689 DEBUG 16552 --- [           main] o.s.b.f.s.DefaultListableBeanFactory     : Eagerly caching bean 'myOtherService' to allow for resolving potential circular references
2017-09-28 11:50:11.689 DEBUG 16552 --- [           main] o.s.b.f.annotation.InjectionMetadata     : Processing injected element of bean 'myOtherService': AutowiredFieldElement for private my.package.other.myOtherMapper my.package.other.myOtherService.myOtherMapper
2017-09-28 11:50:11.690  WARN 16552 --- [           main] o.s.w.c.s.GenericWebApplicationContext   : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'myOtherController': Unsatisfied dependency expressed through field 'myOtherService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'myOtherService': Unsatisfied dependency expressed through field 'myOtherMapper'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'my.package.other.myOtherMapper' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}

我认为指定要在WebMvcTest注释中测试的控制器会将其限制为唯一的控制器加载。但它试图加载另一个控制器，因为它的bean没有被嘲笑它失败了。

我错过了什么或者我的理解不正确？我想我应该只为被测控制器模拟bean。我还尝试使用excludeFilter专门排除其他Controller的软件包，但没有更改错误。

Answer 1

请确保您的测试选择 Application.class ，不包含 @ComponentScan 注释。例如，这是您的包结构

abc-project
  +--pom.xml
  +--src
    +-- main
      +-- com
        +-- abc
          +-- Application.java
          +-- controller
            +-- MyController.java
    +-- test
      +-- com
        +-- abc
          +-- Application.java
          +-- controller
            +-- MyControllerTest.java

测试下的 Application.java 应该与此示例类似，

@SpringBootApplication
public class Application {
    public static void main(String[] args) throws Exception {
        SpringApplication.run(Application.class, args);
    }
}

Answer 2

my.package.other.myOtherMapper（可能是Mybatis Mapper文件）缺失或未明确初始化。

据我所知，myOtherService实现类具有未正确映射的Mapper文件。

您可能必须先映射它们。如果可能，您可以发布Mapper xml内容。

  <context:component-scan base-package="org.example">       
    <context:exclude-filter type="custom" expression="abc.xyz.MyOtherController"/>
  </context:component-scan>

在使用Spring Boot @WebMvcTest进行测试时，如何从我的上下文中排除其他@Controller

2 个答案: