性能工具之 locust 工具 Get 與 Post 請求

前言

腳本示例

總結(jié)

前言

腳本示例

總結(jié)

前言

最近在學(xué)習(xí) Locust 性能工具，發(fā)現(xiàn) Locust 性能工具腳本需要 python 基礎(chǔ)才能寫腳本，但是對于性能測試人員來說 python 是基本功夫。

腳本示例

在 Locust 中 get 腳本怎么寫，為了方便直接在代碼運行調(diào)試，采用關(guān)閉 web 模式，通過參考官方文檔自己實驗 get/post 代碼，參考代碼如：

@task(1) def get_7dTest(self): # 定義請求頭 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請求寫法如下:

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

結(jié)果：

# 結(jié)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': '登陸成功'} successful Response json: {'msg': 'success', 'code': 0, 'data': '登陸成功'} Response json: {'msg': 'success', 'code': 0, 'data': '登陸成功'} Response json: {'msg': 'success', 'code': 0, 'data': '登陸成功'} Response json: {'msg': 'success', 'code': 0, 'data': '登陸成功'}

post 請求 json 請求寫法：

@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()) # 結(jié)果 Response json: {'msg': 'success', 'code': 0, 'data': '登陸成功'}

實驗請求資源代碼：

@GetMapping("/7d") @ResponseBody public R indexPage() { HashMap map = new HashMap<>(); map.put("success", "歡迎來到性能實戰(zhàn)課堂"); map.put("Data", new Date()); return R.ok().put("data", map); } /** * 登陸 * * @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", "登陸成功"); } return R.error().put("data", "用戶名或者密碼失敗"); } /** * 登陸 * * @param requestBody * @return */ @PostMapping(value = "/login/json", produces = "application/json") @ResponseBody public R login_json(@RequestBody String requestBody) { log.info("json數(shù)據(jù)：{}", 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", "登陸成功"); } return R.error().put("data", "用戶名或者密碼失敗"); }

Locust 直接在 Python 代碼調(diào)試代碼關(guān)閉web頁面，這樣調(diào)試很方便，參考如下命令：

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界面運行測試。 # -c 設(shè)置虛擬用戶數(shù)。 # -r 設(shè)置每秒啟動虛擬用戶數(shù)。 # -t 設(shè)置設(shè)置運行時間。 # 結(jié)果參考： [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': '未知異常，請聯(lián)系管理員', 'code': 500, 'data': '用戶名或者密碼失敗'} 。。。。。中間省略。。。。 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

總結(jié)

Locust 官方文檔還是比較詳細，只要慢慢看就能掌握 Locust 工具怎么操作，但是在老師性能工程中，工具只要能發(fā)壓就行。

參考資料:

官方文檔：https://docs.locust.io/en/latest/index.html

Python 壓力測試 自動化測試

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