性能工具之locust工具get与post请求

2023-11-26 08:02:40

最近在学习 locust 性能工具，发现locust性能工具脚本需要python基础才能写脚本，但是对于性能测试人员来说 python 是基本功夫。

在 locust 中get脚本怎么写，为了方便直接在代码运行调试，采用关闭web模式，通过参考官方文档自己实验get/post代码，参考代码如：

@task(1)    def get_7dTest(self):        # 定义请求头        header = {            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36"}        response = self.client.get("/7d/", headers=header, verify=False)        # print("Response status code:", response.status_code)        if response.status_code == 200:            print("successful")            # print("Response text:", response.json())        else:            print('failure')

post请求写法如下

 # 登陆    @task(1)    def get_login(self):        response = self.client.post("/login", {"userName": "7d", "passWord": "123456"})        print("Response json:", response.json())

结果：

# 结果：[2021-04-24 21:36:49,495] liwen.local/INFO/locust.main: Run time limit set to 1 seconds[2021-04-24 21:36:49,495] liwen.local/INFO/locust.main: Starting Locust 1.4.4[2021-04-24 21:36:49,496] liwen.local/INFO/locust.runners: Spawning 1 users at the rate 1 users/s (0 users already running)...[2021-04-24 21:36:49,496] liwen.local/INFO/locust.runners: All users spawned: webTestDunShan: 1 (1 total running)[2021-04-24 21:36:49,496] liwen.local/INFO/root: Terminal was not a tty. Keyboard input disabled Name                                                          # reqs      # fails  |     Avg     Min     Max  Median  |   req/s failures/s---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Aggregated                                                         0     0(0.00%)  |       0       0       0       0  |    0.00    0.00
Response json: {'msg': 'success', 'code': 0, 'data': '登陆成功'}successfulResponse json: {'msg': 'success', 'code': 0, 'data': '登陆成功'}Response json: {'msg': 'success', 'code': 0, 'data': '登陆成功'}Response json: {'msg': 'success', 'code': 0, 'data': '登陆成功'}Response json: {'msg': 'success', 'code': 0, 'data': '登陆成功'}

post请求json请求写法：

@task(1)    def get_login_json(self):        jsonData = {"userName": "7d", "passWord": "123456"}        response = self.client.post("/login/json", json=json.dumps(jsonData))        print("Response json:", response.json())# 结果Response json: {'msg': 'success', 'code': 0, 'data': '登陆成功'}

实验请求资源代码：

    @GetMapping("/7d")    @ResponseBody    public R indexPage() {        HashMap<String, Object> map = new HashMap<>();        map.put("success", "欢迎来到性能实战课堂");        map.put("Data", new Date());        return R.ok().put("data", map);    }

/**     * 登陆     *     * @param memberEntity     * @return     */    @PostMapping("/login")    @ResponseBody    public R login(MemberEntity memberEntity) {
        if ("7d".equals(memberEntity.getUserName()) && "123456".equals(memberEntity.getPassWord())) {            return R.ok().put("data", "登陆成功");        }        return R.error().put("data", "用户名或者密码失败");    }

    /**     * 登陆     *     * @param requestBody     * @return     */    @PostMapping(value = "/login/json", produces = "application/json")    @ResponseBody    public R login_json(@RequestBody String requestBody) {        log.info("json数据：{}", requestBody);        Object parse = JSON.parse(requestBody);        MemberEntity memberEntity = JSON.parseObject(parse.toString(), MemberEntity.class);        if ("7d".equals(memberEntity.getUserName()) && "123456".equals(memberEntity.getPassWord())) {            return R.ok().put("data", "登陆成功");        }        return R.error().put("data", "用户名或者密码失败");    }

locust直接在 python 代码调试代码关闭web页面，这样调试很方便，参考如下命令：

os.system("locust -f demoLcou.py --host=http://127.0.0.1:8080 --headless -u 1 -r 1 -t 1s")
# –no-web 表示不使用Web界面运行测试。
# -c 设置虚拟用户数。
# -r 设置每秒启动虚拟用户数。
# -t 设置设置运行时间。
# 结果参考：
[2021-04-24 22:23:59,688] liwen.local/INFO/locust.main: Run time limit set to 1 seconds
[2021-04-24 22:23:59,688] liwen.local/INFO/locust.main: Starting Locust 1.4.4
[2021-04-24 22:23:59,688] liwen.local/INFO/locust.runners: Spawning 1 users at the rate 1 users/s (0 users already running)...

[2021-04-24 22:23:59,688] liwen.local/INFO/locust.runners: All users spawned: webTestDunShan: 1 (1 total running)

[2021-04-24 22:23:59,689] liwen.local/INFO/root: Terminal was not a tty. Keyboard input disabled

 Name # reqs # fails | Avg Min Max Median | req/s failures/s----------------------------------------------------------------
-----------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------- 
Aggregated 0 0(0.00%) | 0 0 0 0 | 0.00 0.00

successful
Response json: {'msg': '未知异常，请联系管理员', 'code': 500, 'data': '用户名或者密码失败'}
。。。。。中间省略。。。。
successful
[2021-04-24 22:24:00,454] liwen.local/INFO/locust.main: Time limit reached. Stopping Locust.

[2021-04-24 22:24:00,454] liwen.local/INFO/locust.runners: Stopping 1 users[2021-04-24 22:24:00,455] liwen.local/INFO/locust.runners: 1 Users have been stopped, 0 still running[2021-04-24 22:24:00,455] liwen.local/INFO/locust.main: Running teardowns...[2021-04-24 22:24:00,455] liwen.local/INFO/locust.main: Shutting down (exit code 0), bye.[2021-04-24 22:24:00,455] liwen.local/INFO/locust.main: Cleaning up runner... Name                                                          # reqs      # fails  |     Avg     Min     Max  Median  |   req/s failures/s-------------------------------------------------------------------------------------------------------------------------------------------- GET /                                                            166     0(0.00%)  |       1       1       5       2  |  216.65    0.00 GET /7d/                                                          89     0(0.00%)  |       1       1      12       1  |  116.16    0.00 POST /login                                                       98     0(0.00%)  |       1       1       2       1  |  127.90    0.00 POST /login/json                                                  87     0(0.00%)  |       1       1       2       2  |  113.55    0.00-------------------------------------------------------------------------------------------------------------------------------------------- Aggregated                                                       440     0(0.00%)  |       1       1      12       2  |  574.26    0.00
Response time percentiles (approximated) Type     Name                                                              50%    66%    75%    80%    90%    95%    98%    99%  99.9% 99.99%   100% # reqs--------|------------------------------------------------------------|---------|------|------|------|------|------|------|------|------|------|------|------| GET      /                                                                   2      2      2      2      2      3      3      5      6      6      6    166 GET      /7d/                                                                1      1      1      1      2      2      2     12     12     12     12     89 POST     /login                                                              1      1      1      1      2      2      2      2      2      2      2     98 POST     /login/json                                                         2      2      2      2      2      2      2      3      3      3      3     87--------|------------------------------------------------------------|---------|------|------|------|------|------|------|------|------|------|------|------| None     Aggregated                                                          2      2      2      2      2      2      3      3     12     12     12    440

Process finished with exit code 0

总结：

locust 官方文档还是比较详细，只要慢慢看就能掌握locust工具怎么操作，但是在老师性能工程中，工具只要能发压就行。

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