locust/examples/testdata_from_csv.py

56 lines
1.7 KiB
Python

"""
This shows an easy way to get testdata from a csv file into locust and use it for requests
"""
from locust import FastHttpUser, events, run_single_user, task
import csv
import os
csvfile = open(os.path.join(os.path.dirname(__file__), "testdata_from_csv.csv"))
iter = csv.reader(csvfile)
class DemoUser(FastHttpUser):
@task
def t(self):
try:
username, password = next(iter)
except StopIteration:
# go back to start of the file once its been exhausted
csvfile.seek(0, 0)
username, password = next(iter)
with self.rest("POST", "/authenticate", json={"username": username, "password": password}) as resp:
if message := resp.js and resp.js.get("message"):
if not "Welcome" in message:
resp.failure(f"bad response: {message}")
# We'll now add endpoints to Locust's own WebUI to use as a target for the test.
# This means so you can't use headless or run_single_user, unless you also start a "headful" Locust instance.
#
# It is not very relevant to what this example is explaining, so feel free to ignore it.
FastHttpUser.host = "http://127.0.0.1:8089"
from flask import request
@events.init.add_listener
def locust_init(environment, **kwargs):
if environment.web_ui:
@environment.web_ui.app.route("/authenticate", methods=["POST"])
def authenticate():
username = request.get_json()["username"]
return {"message": f"Welcome {username}!"}
@environment.web_ui.app.route("/checkout/confirm", methods=["POST"])
def checkout_confirm():
foo = request.get_json()["foo"]
return {"orderId": 42}
if __name__ == "__main__":
run_single_user(DemoUser)