模拟FeignClient响应

Question

有可能通过MockRestServiceServer(restTemplate)模拟响应FeignClient ?这个例子不能用:

Application.class

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

TicketService.class

@FeignClient("ws")
public interface TicketService {
    @RequestMapping(value = "/tickets/")
    List<Ticket> findAllTickets();
}

TestConfig.class

@Profile("test")
@Configuration
public class TestConfig {
    @Bean
    @Primary
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }
}

MyTest.class

@ActiveProfiles("test")
@RunWith(SpringRunner.class)
@SpringBootTest(classes = {Application.class}, properties = {"ws.ribbon.listOfServers:example.com"})
public class MyTest {
    @Autowired
    RestTemplate restTemplate;
    @Autowired
    DispatcherService dispatcherService; // service where the execution of the method TicketService.findAllTickets();
    private MockRestServiceServer mockServer;
    @Before
    public void setUp() {
        mockServer = MockRestServiceServer.createServer(restTemplate);
    }
    @Test
    public void ticket() {
        mockServer.expect(requestTo("http://example.com/tickets/"))
                .andExpect(method(HttpMethod.GET))
                .andRespond(withSuccess(new ClassPathResource("tickets.json"), MediaType.APPLICATION_JSON));
        dispatcherService.run();
    }
}

但是向真实服务器example.com发送请求

Answer 1

目前我知道两个好的方法:

1. 使用wiremock库(对于Spring Boot我使用 Spring -cloud-contract-wiremock)
2. Mockito(我使用@MockBean)