locust/examples/custom_xmlrpc_client/xmlrpc_locustfile.py

67 lines
2.2 KiB
Python

from locust import User, task
import time
from xmlrpc.client import Fault, ServerProxy
class XmlRpcClient(ServerProxy):
"""
XmlRpcClient is a wrapper around the standard library's ServerProxy.
It proxies any function calls and fires the *request* event when they finish,
so that the calls get recorded in Locust.
"""
def __init__(self, host, request_event):
super().__init__(host)
self._request_event = request_event
def __getattr__(self, name):
func = ServerProxy.__getattr__(self, name)
def wrapper(*args, **kwargs):
request_meta = {
"request_type": "xmlrpc",
"name": name,
"start_time": time.time(),
"response_length": 0, # calculating this for an xmlrpc.client response would be too hard
"response": None,
"context": {}, # see HttpUser if you actually want to implement contexts
"exception": None,
}
start_perf_counter = time.perf_counter()
try:
request_meta["response"] = func(*args, **kwargs)
except Fault as e:
request_meta["exception"] = e
request_meta["response_time"] = (time.perf_counter() - start_perf_counter) * 1000
self._request_event.fire(**request_meta) # This is what makes the request actually get logged in Locust
return request_meta["response"]
return wrapper
class XmlRpcUser(User):
"""
A minimal Locust user class that provides an XmlRpcClient to its subclasses
"""
abstract = True # dont instantiate this as an actual user when running Locust
def __init__(self, environment):
super().__init__(environment)
self.client = XmlRpcClient(self.host, request_event=environment.events.request)
# The real user class that will be instantiated and run by Locust
# This is the only thing that is actually specific to the service that we are testing.
class MyUser(XmlRpcUser):
host = "http://127.0.0.1:8877/"
@task
def get_time(self):
self.client.get_time()
@task
def get_random_number(self):
self.client.get_random_number(0, 100)