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"""Test wsgi."""
from concurrent.futures.thread import ThreadPoolExecutor
import pytest
import portend
import requests
from requests_toolbelt.sessions import BaseUrlSession as Session
from jaraco.context import ExceptionTrap
from cheroot import wsgi
from cheroot._compat import IS_MACOS, IS_WINDOWS
IS_SLOW_ENV = IS_MACOS or IS_WINDOWS
@pytest.fixture
def simple_wsgi_server():
"""Fucking simple wsgi server fixture (duh)."""
port = portend.find_available_local_port()
def app(environ, start_response):
status = '200 OK'
response_headers = [('Content-type', 'text/plain')]
start_response(status, response_headers)
return [b'Hello world!']
host = '::'
addr = host, port
server = wsgi.Server(addr, app, timeout=600 if IS_SLOW_ENV else 20)
url = 'http://localhost:{port}/'.format(**locals())
with server._run_in_thread() as thread:
yield locals()
def test_connection_keepalive(simple_wsgi_server):
"""Test the connection keepalive works (duh)."""
session = Session(base_url=simple_wsgi_server['url'])
pooled = requests.adapters.HTTPAdapter(
pool_connections=1, pool_maxsize=1000,
)
session.mount('http://', pooled)
def do_request():
with ExceptionTrap(requests.exceptions.ConnectionError) as trap:
resp = session.get('info')
resp.raise_for_status()
return bool(trap)
with ThreadPoolExecutor(max_workers=10 if IS_SLOW_ENV else 50) as pool:
tasks = [
pool.submit(do_request)
for n in range(250 if IS_SLOW_ENV else 1000)
]
failures = sum(task.result() for task in tasks)
assert not failures
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