Feign Stub擋板和Mock

Worktile 發(fā)布于2019-08-16 14:49 / 2797人閱讀

摘要：退出擋板模式登錄驗(yàn)證碼，請(qǐng)不要對(duì)非本人透露。運(yùn)行之前寫的單元測(cè)試代碼輸入一個(gè)錯(cuò)誤的手機(jī)號(hào)進(jìn)入擋板模式登錄驗(yàn)證碼，請(qǐng)不要對(duì)非本人透露。

背景：

在項(xiàng)目開(kāi)發(fā)中，會(huì)有調(diào)用第三方接口的場(chǎng)景。當(dāng)開(kāi)發(fā)時(shí)，對(duì)方不愿意提供測(cè)試服務(wù)器給我們調(diào)用，或者有的接口會(huì)按調(diào)用次數(shù)進(jìn)行計(jì)費(fèi)。當(dāng)聯(lián)調(diào)時(shí)，第三方的測(cè)試服務(wù)器也可能會(huì)出現(xiàn)不穩(wěn)定，如果他們的服務(wù)掛了，我們就一直等著服務(wù)恢復(fù)，那么這就相當(dāng)影響效率了。如果我們?cè)陂_(kāi)發(fā)時(shí)，就定義一個(gè)擋板或者mock服務(wù)，在發(fā)起調(diào)用時(shí)，不直接調(diào)到第三方接口，而是調(diào)到我們自己的擋板代碼或者mock服務(wù)，這樣就可以避免這些問(wèn)題了。

優(yōu)勢(shì)：

擋板代碼，不需要侵入業(yè)務(wù)代碼，可以根據(jù)入?yún)⒆鲆恍﹦?dòng)態(tài)結(jié)果返回

不需要專門開(kāi)發(fā)一個(gè)擋板服務(wù)，并且在每次啟動(dòng)客戶端都先啟動(dòng)擋板服務(wù)

可以自由選擇使用擋板還是Mock數(shù)據(jù)

Demo詳細(xì)代碼，已經(jīng)提交到Github，歡迎star

Demo地址: https://github.com/Seifon/Fei...

一、下面我就以一個(gè)第三方SMS短信接口來(lái)做演示：

首先，我們寫一個(gè)Feign客戶端接口，正常調(diào)用第三方接口：

1.定義一個(gè)SMS短信的Feign客戶端接口：

import cn.seifon.example.feignstubmock.dto.YunxunSmsReqDto;
import cn.seifon.example.feignstubmock.dto.YunxunSmsRespDto;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;

/**
 * @Author: Seifon
 * @Description:
 * @Date: Created in 10:24 2019/1/7
 */
@FeignClient(name = "smsclient", url = "${sms.url}", primary = false)
public interface YunxunSmsFeign {

    /**
     *
     * @param request
     * @return {"code":"0","failNum":"0","successNum":"1","msgId":"19012516213625881","time":"20190125162136","errorMsg":""}
     * @return {"code":"107","msgId":"","time":"20190125162358","errorMsg":"手機(jī)號(hào)碼格式錯(cuò)誤"}
     */
    @PostMapping("/msg/variable/json")
    YunxunSmsRespDto send(@RequestBody YunxunSmsReqDto request);
}

注意：@FeignClient注解里面的primary屬性一定要設(shè)置為false,這是為了防止在開(kāi)啟Feign擋板時(shí)，出現(xiàn)多個(gè)Feign客戶端導(dǎo)致啟動(dòng)報(bào)錯(cuò)。

2.寫一個(gè)單元測(cè)試：

import cn.seifon.example.feignstubmock.dto.YunxunSmsReqDto;
import cn.seifon.example.feignstubmock.dto.YunxunSmsRespDto;
import cn.seifon.example.feignstubmock.feign.YunxunSmsFeign;
import com.alibaba.fastjson.JSON;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest
public class FeignStubMockApplicationTests {
    @Autowired
    private YunxunSmsFeign yunxunSmsFeign;

    @Test
    public void feignStubMockTest() {
        YunxunSmsReqDto yunxunSmsReqDto=new YunxunSmsReqDto();
        yunxunSmsReqDto.setAccount("XXXXXXX");
        yunxunSmsReqDto.setPassword("XXXXXXX");
        yunxunSmsReqDto.setMsg("登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。");
        yunxunSmsReqDto.setParams("13011112222,123456");
        yunxunSmsReqDto.setReport("true");

        YunxunSmsRespDto send = yunxunSmsFeign.send(yunxunSmsReqDto);
        
        //打印結(jié)果
        System.out.println(JSON.toJSON(send));
    }

}

3.1.我們輸入一個(gè)正確的手機(jī)號(hào)，拿一個(gè)成功的結(jié)果：

2019-01-28 11:17:56.718 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] ---> POST http://smssh1.253.com/msg/variable/json HTTP/1.1
2019-01-28 11:17:56.719 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] Content-Type: application/json;charset=UTF-8
2019-01-28 11:17:56.720 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] Content-Length: 160
2019-01-28 11:17:56.720 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] 
2019-01-28 11:17:56.721 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] {"account":"XXXXXX","password":"XXXXXXX","msg":"登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。","params":"17311112222,123456","report":"true"}
2019-01-28 11:17:56.721 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] ---> END HTTP (160-byte body)
2019-01-28 11:17:56.958 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] <--- HTTP/1.1 200 OK (236ms)
2019-01-28 11:17:56.960 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] connection: keep-alive
2019-01-28 11:17:56.962 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] content-length: 109
2019-01-28 11:17:56.963 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] content-type: application/json;charset=UTF-8
2019-01-28 11:17:56.965 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] date: Mon, 28 Jan 2019 03:17:56 GMT
2019-01-28 11:17:56.966 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] 
2019-01-28 11:17:56.971 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] {"code":"0","failNum":"0","successNum":"1","msgId":"19012811175621982","time":"20190128111756","errorMsg":""}
2019-01-28 11:17:56.972 DEBUG 6920 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] <--- END HTTP (109-byte body)
{"code":"0","failNum":"0","successNum":"1","msgId":"19012811175621982","time":"20190128111756","errorMsg":""}

此時(shí)，我們可以根據(jù)日志，看到請(qǐng)求的地址也是第三方的url

3.2.我們輸入一個(gè)錯(cuò)誤的手機(jī)號(hào)，拿一個(gè)失敗的結(jié)果：

2019-01-28 11:21:15.300 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] ---> POST http://smssh1.253.com/msg/variable/json HTTP/1.1
2019-01-28 11:21:15.301 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] Content-Type: application/json;charset=UTF-8
2019-01-28 11:21:15.302 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] Content-Length: 152
2019-01-28 11:21:15.302 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] 
2019-01-28 11:21:15.303 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] {"account":"XXXXX","password":"XXXXXXX","msg":"登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。","params":"173,123456","report":"true"}
2019-01-28 11:21:15.303 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] ---> END HTTP (152-byte body)
2019-01-28 11:21:15.470 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] <--- HTTP/1.1 200 OK (165ms)
2019-01-28 11:21:15.471 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] connection: keep-alive
2019-01-28 11:21:15.473 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] content-length: 87
2019-01-28 11:21:15.474 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] content-type: application/json;charset=UTF-8
2019-01-28 11:21:15.476 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] date: Mon, 28 Jan 2019 03:21:15 GMT
2019-01-28 11:21:15.477 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] 
2019-01-28 11:21:15.483 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] {"code":"107","msgId":"","time":"20190128112115","errorMsg":"手機(jī)號(hào)碼格式錯(cuò)誤"}
2019-01-28 11:21:15.484 DEBUG 5288 --- [           main] c.s.e.f.feign.YunxunSmsFeign             : [YunxunSmsFeign#send] <--- END HTTP (87-byte body)
{"code":"107","msgId":"","time":"20190128112115","errorMsg":"手機(jī)號(hào)碼格式錯(cuò)誤"}

當(dāng)我們知道了兩種情況下出現(xiàn)的結(jié)果，那么我們就可以模擬響應(yīng)結(jié)果啦。小技巧：我們可以先跟對(duì)方調(diào)接口，把各種響應(yīng)報(bào)文保存下來(lái)，方便后面直接mock數(shù)據(jù)

二、接下來(lái)進(jìn)入擋板編寫環(huán)節(jié)：

1.編寫一個(gè)YunxunSmsFeignStub類，并實(shí)現(xiàn)YunxunSmsFeign接口：

import cn.seifon.example.feignstubmock.dto.YunxunSmsReqDto;
import cn.seifon.example.feignstubmock.dto.YunxunSmsRespDto;
import cn.seifon.example.feignstubmock.feign.YunxunSmsFeign;
import org.apache.commons.lang3.RandomUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.time.DateFormatUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;

import java.util.Date;

/**
 * @Author: Seifon
 * @Description:
 * @Date: Created in 10:24 2019/1/7
 */
@Primary //注意：需要在原Feign接口@FeignClient注解加入primary = false 屬性
@Component
@ConditionalOnProperty(name = "feign-stub.yunxun.sms.mode", havingValue = "stub")
public class YunxunSmsFeignStub implements YunxunSmsFeign {
    private static final Logger LOG = LoggerFactory.getLogger(YunxunSmsFeignStub.class);

    @Override
    public YunxunSmsRespDto send(YunxunSmsReqDto request) {
        YunxunSmsRespDto yunxunSmsRespDto = new YunxunSmsRespDto();

        //模擬正常響應(yīng)結(jié)果
        yunxunSmsRespDto.setCode("0");
        yunxunSmsRespDto.setFailNum("0");
        yunxunSmsRespDto.setSuccessNum("1");
        yunxunSmsRespDto.setMsgId(String.valueOf(RandomUtils.nextLong(19000000000000000L, 19999999999999999L)));
        yunxunSmsRespDto.setTime(DateFormatUtils.format(new Date(), "yyyyMMddHHmmss"));
        yunxunSmsRespDto.setErrorMsg("");

        String params = request.getParams();
        String[] paramSplit = StringUtils.split(params, ",");
        if (paramSplit[0].length() != 11) {
            //模擬錯(cuò)誤響應(yīng)結(jié)果
            yunxunSmsRespDto.setCode("107");
            yunxunSmsRespDto.setMsgId("");
            yunxunSmsRespDto.setErrorMsg("手機(jī)號(hào)碼格式錯(cuò)誤");
        }
        return yunxunSmsRespDto;
    }
}

注意：必須標(biāo)注@Primary注解,否則啟動(dòng)會(huì)報(bào)錯(cuò)。@ConditionalOnProperty的作用就是根據(jù)application.yaml配置的相關(guān)屬性，判斷是否注入Spring容器

2.application.yaml文件，加入下面的配置：

sms:
    url: "http://smssh1.253.com"

#yunxun：代表第三方系統(tǒng)名稱，sms：代表業(yè)務(wù)名稱，mode:代表Stub模式，url：代表mock服務(wù)地址
feign-stub:
    yunxun:
        sms:
            mode: "stub"

3.為了區(qū)分返回的內(nèi)容是擋板結(jié)果，我們可以寫一個(gè)AOP切面打印日志：

import com.alibaba.fastjson.JSON;
import org.apache.commons.lang3.StringUtils;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

/**
 * @Author: Seifon
 * @Description:
 * @Date: Created in 10:24 2019/1/7
 */
@Aspect
@Component
public class FeignStubAspect {

    private static final Logger LOG = LoggerFactory.getLogger(FeignStubAspect.class);

    @Pointcut("execution(* cn.seifon.example.feignstubmock..stub.*.*(..))")
    public void pointCut(){}

    @Around("pointCut()")
    public Object around(ProceedingJoinPoint pjp){
        String name = StringUtils.join(pjp.getTarget().getClass().getName(), ".", pjp.getSignature().getName());
        LOG.info("-----【{}】---- 進(jìn)入擋板模式... request: 【{}】", name, JSON.toJSON(pjp.getArgs()));
        try {
            Object proceed = pjp.proceed();
            LOG.info("-----【{}】---- 退出擋板模式... request: 【{}】, response: 【{}】", name, JSON.toJSON(pjp.getArgs()), JSON.toJSON(proceed));
            return proceed;
        } catch (Throwable e) {
            e.printStackTrace();
        }

        return null;
    }

}

4.1.運(yùn)行之前寫的單元測(cè)試代碼（輸入一個(gè)正確的手機(jī)號(hào)）：

2019-01-28 11:32:51.255  INFO 7488 --- [           main] c.s.e.f.aspect.FeignStubAspect           : -----【cn.seifon.example.feignstubmock.feign.stub.YunxunSmsFeignStub.send】---- 進(jìn)入擋板模式... request: 【[{"msg":"登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。","password":"XXXXXXX","report":"true","params":"13011112222,123456","account":"XXXXXXX"}]】
2019-01-28 11:32:51.975  INFO 7488 --- [           main] c.s.e.f.aspect.FeignStubAspect           : -----【cn.seifon.example.feignstubmock.feign.stub.YunxunSmsFeignStub.send】---- 退出擋板模式... request: 【[{"msg":"登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。","password":"XXXXXXX","report":"true","params":"13011112222,123456","account":"XXXXXXX"}]】, response: 【{"code":"0","failNum":"0","successNum":"1","msgId":"19148964234899564","time":"20190128113251","errorMsg":""}】
{"code":"0","failNum":"0","successNum":"1","msgId":"19148964234899564","time":"20190128113251","errorMsg":""}

4.2.運(yùn)行之前寫的單元測(cè)試代碼（輸入一個(gè)錯(cuò)誤的手機(jī)號(hào)）：

2019-01-28 11:35:27.177  INFO 15204 --- [           main] c.s.e.f.aspect.FeignStubAspect           : -----【cn.seifon.example.feignstubmock.feign.stub.YunxunSmsFeignStub.send】---- 進(jìn)入擋板模式... request: 【[{"msg":"登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。","password":"XXXXXXX","report":"true","params":"130,123456","account":"XXXXXXX"}]】
2019-01-28 11:35:27.900  INFO 15204 --- [           main] c.s.e.f.aspect.FeignStubAspect           : -----【cn.seifon.example.feignstubmock.feign.stub.YunxunSmsFeignStub.send】---- 退出擋板模式... request: 【[{"msg":"登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。","password":"XXXXXXX","report":"true","params":"130,123456","account":"XXXXXXX"}]】, response: 【{"code":"107","failNum":"0","successNum":"1","msgId":"","time":"20190128113527","errorMsg":"手機(jī)號(hào)碼格式錯(cuò)誤"}】
{"code":"107","failNum":"0","successNum":"1","msgId":"","time":"20190128113527","errorMsg":"手機(jī)號(hào)碼格式錯(cuò)誤"}

以上代碼就完成了一個(gè)stub擋板功能，可有時(shí)候，我們已經(jīng)拿到第三方接口的返回報(bào)文，并切不想去寫一大段Stub代碼。那么這個(gè)時(shí)候，我們就可以選擇下面的Mock方式去完成我們的功能。

三、接下來(lái)進(jìn)入Mock環(huán)節(jié)：

1. 首先準(zhǔn)備一個(gè)mock服務(wù)，這里我就用自己比較喜歡的一個(gè)mock工具（mock-json-server）給大家演示：

1.1 安裝nodejs：

參看官網(wǎng)：http://nodejs.cn/

1.2 安裝mock-json-server：

npm install -g mock-json-server

1.3 新建mock數(shù)據(jù)文件(命名為：data.json)：

{
  "/msg/variable/json": {
    "post": {
      "code":"0",
      "failNum":"0",
      "successNum":"1",
      "msgId":"19012516213625881",
      "time":"20190125162136",
      "errorMsg":""
    }
  }
}

1.4 運(yùn)行：

mock-json-server {path}/data.json --port=1240

{path}替換為存放data.json的絕對(duì)路徑

1.5 如果顯示如下結(jié)果，就代表mock服務(wù)運(yùn)行成功：

JSON Server running at http://localhost:1240/

mock-json-server具體使用文檔，請(qǐng)參考：https://www.npmjs.com/package...

2. 準(zhǔn)備工作做好后，接下來(lái)，就進(jìn)入Mock正式環(huán)節(jié)：

2.1 首先，我們定義一個(gè)YunxunSmsFeignMock接口，并且繼承YunxunSmsFeign接口

import cn.seifon.example.feignstubmock.feign.YunxunSmsFeign;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;

/**
 * @Author: Seifon
 * @Description:
 * @Date: Created in 10:24 2019/1/7
 */
@Primary //注意：需要在原Feign接口@FeignClient注解加入primary = false 屬性
@Component
@ConditionalOnProperty(name = "feign-stub.yunxun.sms.mode", havingValue = "mock")
@FeignClient(name = "smsclient-mock", url = "${feign-stub.yunxun.sms.mockUrl}" ,path = "/")
public interface YunxunSmsFeignMock extends YunxunSmsFeign {

}

注意：必須標(biāo)注@Primary注解，否則啟動(dòng)時(shí)會(huì)報(bào)錯(cuò)。@FeignClient里的name屬性不能跟原Feign接口名稱相同，如果相同會(huì)啟動(dòng)報(bào)錯(cuò)。@ConditionalOnProperty的作用就是根據(jù)application.yaml配置的相關(guān)屬性，判斷是否注入Spring容器

2.2 application.yaml文件，加入下面的配置：

sms:
    url: "http://smssh1.253.com"

#生產(chǎn)環(huán)境請(qǐng)勿添加此配置。mode說(shuō)明：""-不開(kāi)啟, "mock"-mock模式, "stub"-stub模式。url說(shuō)明：只有mock模式需要配置調(diào)試url。fund為第三方機(jī)構(gòu)，repayment是業(yè)務(wù)名稱
#yunxun：代表第三方系統(tǒng)名稱，sms：代表業(yè)務(wù)名稱，mode:代表?yè)醢迥Ｊ剑瑄rl：代表mock服務(wù)地址
feign-stub:
    yunxun:
        sms:
            mode: "mock"
            mockUrl: "http://localhost:1240"

2.3 為了區(qū)分返回的內(nèi)容是Mock結(jié)果，我們可以寫一個(gè)AOP切面打印日志：

import com.alibaba.fastjson.JSON;
import org.apache.commons.lang3.StringUtils;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

/**
 * @Author: Seifon
 * @Description:
 * @Date: Created in 10:24 2019/1/7
 */
@Aspect
@Component
public class FeignMockAspect {

    private static final Logger LOG = LoggerFactory.getLogger(FeignMockAspect.class);

    @Pointcut("execution(* cn.seifon.example.feignstubmock..mock.*.*(..))")
    public void pointCut(){}

    @Around("pointCut()")
    public Object around(ProceedingJoinPoint pjp){
        String name = StringUtils.join(pjp.getTarget().getClass().getName(), ".", pjp.getSignature().getName());
        LOG.info("-----【{}】---- 進(jìn)入Mock模式... request: 【{}】", name, JSON.toJSON(pjp.getArgs()));
        try {
            Object proceed = pjp.proceed();
            LOG.info("-----【{}】---- 退出Mock模式... request: 【{}】, response: 【{}】", name, JSON.toJSON(pjp.getArgs()), JSON.toJSON(proceed));
            return proceed;
        } catch (Throwable e) {
            e.printStackTrace();
        }

        return null;
    }

}

2.4 運(yùn)行之前的單元測(cè)試類，得到如下結(jié)果：

2019-01-28 16:16:35.567  INFO 8976 --- [           main] c.s.e.f.aspect.FeignMockAspect           : -----【com.sun.proxy.$Proxy95.send】---- 進(jìn)入Mock模式... request: 【[{"msg":"登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。","password":"XXXXXXX","report":"true","params":"13011112222,123456","account":"XXXXXXX"}]】
2019-01-28 16:16:35.934 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] ---> POST http://localhost:1240/msg/variable/json HTTP/1.1
2019-01-28 16:16:35.935 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] Content-Type: application/json;charset=UTF-8
2019-01-28 16:16:35.936 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] Content-Length: 152
2019-01-28 16:16:35.936 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] 
2019-01-28 16:16:35.937 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] {"account":"XXXXXXX","password":"XXXXXXX","msg":"登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。","params":"13011112222,123456","report":"true"}
2019-01-28 16:16:35.937 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] ---> END HTTP (152-byte body)
2019-01-28 16:16:36.021 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] <--- HTTP/1.1 200 OK (82ms)
2019-01-28 16:16:36.021 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] access-control-allow-origin: *
2019-01-28 16:16:36.022 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] connection: keep-alive
2019-01-28 16:16:36.023 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] content-length: 109
2019-01-28 16:16:36.023 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] content-type: application/json; charset=utf-8
2019-01-28 16:16:36.024 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] date: Mon, 28 Jan 2019 08:16:36 GMT
2019-01-28 16:16:36.024 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] etag: W/"6d-XqhLoZB8r6IRF2Lb6CWoIVVNhIQ"
2019-01-28 16:16:36.025 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] x-content-type-options: nosniff
2019-01-28 16:16:36.026 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] x-powered-by: Express
2019-01-28 16:16:36.027 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] 
2019-01-28 16:16:36.030 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] {"code":"0","failNum":"0","successNum":"1","msgId":"19012516213625881","time":"20190125162136","errorMsg":""}
2019-01-28 16:16:36.030 DEBUG 8976 --- [           main] c.s.e.f.feign.mock.YunxunSmsFeignMock    : [YunxunSmsFeignMock#send] <--- END HTTP (109-byte body)
2019-01-28 16:16:36.227  INFO 8976 --- [           main] c.s.e.f.aspect.FeignMockAspect           : -----【com.sun.proxy.$Proxy95.send】---- 退出Mock模式... request: 【[{"msg":"登錄驗(yàn)證碼:{$var}，請(qǐng)不要對(duì)非本人透露。","password":"XXXXXXX","report":"true","params":"13011112222,123456","account":"XXXXXXX"}]】, response: 【{"code":"0","failNum":"0","successNum":"1","msgId":"19012516213625881","time":"20190125162136","errorMsg":""}】
{"code":"0","failNum":"0","successNum":"1","msgId":"19012516213625881","time":"20190125162136","errorMsg":""}

說(shuō)明：此時(shí)我們根據(jù)日志，會(huì)發(fā)現(xiàn)feign調(diào)用的url已經(jīng)變?yōu)槲覀兊腗ock服務(wù)地址了。同理，如果要返回失敗結(jié)果，只需要修改data.json文件，再次調(diào)用后，即可得到我們想要的結(jié)果了。

四、結(jié)語(yǔ)：

如果有什么需要改進(jìn)的地方，或者不正確的地方，請(qǐng)?jiān)谠u(píng)論里面提出并指正。謝謝！

Demo詳細(xì)代碼，已經(jīng)提交到Github，歡迎star

Demo地址: https://github.com/Seifon/Fei...

項(xiàng)目結(jié)構(gòu),如圖：

原文地址：http://www.seifon.cn/2019/01/...

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Feign Stub擋板和Mock

1.定義一個(gè)SMS短信的Feign客戶端接口：

2.寫一個(gè)單元測(cè)試：

3.1.我們輸入一個(gè)正確的手機(jī)號(hào)，拿一個(gè)成功的結(jié)果：

3.2.我們輸入一個(gè)錯(cuò)誤的手機(jī)號(hào)，拿一個(gè)失敗的結(jié)果：

1.編寫一個(gè)YunxunSmsFeignStub類，并實(shí)現(xiàn)YunxunSmsFeign接口：