SpringBoot利用Junit动态代理实现Mock方法

@FeignClient(name = "application-a")
public interface AFeignService {

    @RequestMapping("/url/path/get")
    Result<Object> get();
}

@SpringBootTest
@Slf4j
class AFeignServiceTest {

    @Autowired
    private AFeignService aFeignService;

    @Test
    void get() {
        Result<Object> result = aFeignService.get();
        log.info(JSONObject.toJSONString(result));
    }
}

@Aspect
@Slf4j
public class AspConfig {

    @Pointcut("execution(* com..AFeignService.get(..))")
    public void pointcue(){

    }

    @Around("pointcue()")
    public Object overrideReturnValue(ProceedingJoinPoint joinPoint) throws Throwable {
        log.info("AspConfig.overrideReturnValue execute .................");
        //joinPoint.proceed();  不调用原来方法
        ErpReturnDTO dto = new ErpReturnDTO();
        dto.setStatus(200);
        dto.setSuccess(true);
        dto.setMessage("success");
        dto.setData(new ArrayList<>());
        Result<ErpReturnDTO> result = Result.succeed(dto);
        return result;
    }

}

public class TestAopImportBeanDefinitionRegistrar implements ImportBeanDefinitionRegistrar {
    @Override
    public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
        BeanDefinitionBuilder definitionBuilder = BeanDefinitionBuilder.genericBeanDefinition(AspConfig.class);
        GenericBeanDefinition definition = (GenericBeanDefinition) definitionBuilder.getRawBeanDefinition();
        registry.registerBeanDefinition(AspConfig.class.getName(), definition);
    }

}

@SpringBootTest
@Slf4j
@Import(TestAopImportBeanDefinitionRegistrar.class)
class AFeignServiceTest

{"code":0,"data":{"data":[],"message":"success","status":200,"subMessage":"success","success":true},"msg":"操作成功","success":true}