Python locust 压力测试代码

最新推荐文章于 2023-10-24 21:23:47 发布

Morgan Wang

最新推荐文章于 2023-10-24 21:23:47 发布

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本文介绍如何利用Python的Locust库进行压力测试。通过运行main_pt.py脚本，可以启动Locust的Web UI界面，访问地址为http://localhost:8089，从而进行性能测试和负载测试的配置。

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#!/usr/bin/env python
# encoding: utf-8
"""
@author: morgan
@time: 2/21/19 9:53 AM
"""
import datetime
import time
from _decimal import Decimal
 
from bson import ObjectId
from locust import HttpLocust, TaskSet, task
import subprocess
import json
 
 
def __default(obj):
    if isinstance(obj, datetime.datetime):
        try:
            return int(time.mktime(obj.timetuple()))
        except:
            return 0
    elif isinstance(obj, datetime.date):
        return obj.strftime('%Y-%m-%d')
    elif isinstance(obj, Decimal):
        return float(obj)
    elif isinstance(obj, ObjectId):
        return str(obj)
    else:
        raise TypeError('%r is not JSON serializable' % obj)
 
 
def db_to_json(obj):
    json_str = json.dumps(obj, ensure_ascii=False, default=__default).encode('utf-8')
    # json_str = dumps(obj, ensure_ascii = False).encode('utf-8')
    return json_str
 
 
# 性能测试任务类 TaskSet.
class UserBehavior(TaskSet):
    # 开始
    def on_start(self):
        pass
 
    # 任务
    @task(1)
    def getTagVals(self):
        u"""
        request_url：请求路径
        request_params：请求头参数
        request_json：请求json参数
        """
        secret = "18851057d710a7f767a84233905079c5fd1bded8"
        request_url = "/wecastsvr"
        request_params = {
            "functioncode": "add_question",
            "team_id": "59597468ed8000f104304c2594999f2264fa205f",
            "title": "我是帅哥" + str(time.time()),
            "question_type": "question_type",
            "creator": "45456",
            "option_list": db_to_json(
                [
                    {"title": "选项1", "answer": 1},
                    {"title": "选项2", "answer": 0},
                    {"title": "新的选项", "answer": 0}
                ]
            ),
            "target": "CLNJ01",
            "timestamp": 1507860000,
            "apiId": "EC",
            "apiSign": "D41D8CD98F00B204E9800998ECF8427E",
            "api_key": "dd6se5157292",
        }
 
        request_json = {
            "tagKey": 25
        }
        response = self.client.post(
            url=request_url,
            params=request_params,
            json=request_json
        )
        # sign = get_data_sign(request_params, secret).lower()
        if response.status_code != 200:
            print('返回异常')
            print("请求返回状态码:", response.status_code)
        elif response.status_code == 200:
            print('返回正常')
            print(response)
 
        # 这里可以编写自己需要校验的返回内容
        # content = json.loads(response.content)["content"]
        # if content["tagKey"] == 25:
        #     print u"校验成功"
        #     print json.dumps(content, encoding="UTF-8", ensure_ascii=False)
 
 
# 性能测试配置
class MobileUserLocust(HttpLocust):
    u"""
    min_wait ：用户执行任务之间等待时间的下界，单位：毫秒。
    max_wait ：用户执行任务之间等待时间的上界，单位：毫秒。
    """
    # weight = 3
    task_set = UserBehavior
    host = "http://127.0.0.1:8080"
    min_wait = 3000
    max_wait = 6000
 
 
if __name__ == "__main__":
    subprocess.Popen("locust -f main_pt.py", shell=True)

python main_pt.py

运行成功后即可访问 locust的 web UI界面：http://localhost:8089

设置即可