Locust — Scalable Load Testing in Pure Python

pip install locust

# locustfile.py
from locust import HttpUser, task, between

class TokrepoUser(HttpUser):
    wait_time = between(1, 3)
    host = "https://api.tokrepo.com"

    @task(3)
    def list_assets(self):
        self.client.get("/api/assets")

    @task(1)
    def view_asset(self):
        self.client.get("/api/assets/1")

    def on_start(self):
        # Login or setup
        pass

locust                       # Web UI at http://localhost:8089
locust --headless -u 100 -r 10 -t 5m --csv=results
locust --master              # Distributed: master
locust --worker --master-host=master-ip  # Workers