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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for Requests."""
from concurrent.futures import Future
from requests import Response
from os import environ
from requests_futures.sessions import FuturesSession
from unittest import TestCase, main
HTTPBIN = environ.get('HTTPBIN_URL', 'http://httpbin.org/')
def httpbin(*suffix):
"""Returns url for HTTPBIN resource."""
return HTTPBIN + '/'.join(suffix)
class RequestsTestCase(TestCase):
def test_futures_session(self):
# basic futures get
sess = FuturesSession()
future = sess.get(httpbin('get'))
self.assertIsInstance(future, Future)
resp = future.result()
self.assertIsInstance(resp, Response)
self.assertEqual(200, resp.status_code)
# non-200, 404
future = sess.get(httpbin('status/404'))
resp = future.result()
self.assertEqual(404, resp.status_code)
def cb(s, r):
self.assertIsInstance(s, FuturesSession)
self.assertIsInstance(r, Response)
# add the parsed json data to the response
r.data = r.json()
future = sess.get(httpbin('get'), background_callback=cb)
# this should block until complete
resp = future.result()
self.assertEqual(200, resp.status_code)
# make sure the callback was invoked
self.assertTrue(hasattr(resp, 'data'))
def rasing_cb(s, r):
raise Exception('boom')
future = sess.get(httpbin('get'), background_callback=rasing_cb)
with self.assertRaises(Exception) as cm:
resp = future.result()
self.assertEqual('boom', cm.exception.args[0])
def test_max_workers(self):
""" Tests the `max_workers` shortcut. """
from concurrent.futures import ThreadPoolExecutor
session = FuturesSession()
self.assertEqual(session.executor._max_workers, 2)
session = FuturesSession(max_workers=5)
self.assertEqual(session.executor._max_workers, 5)
session = FuturesSession(executor=ThreadPoolExecutor(max_workers=10))
self.assertEqual(session.executor._max_workers, 10)
session = FuturesSession(executor=ThreadPoolExecutor(max_workers=10),
max_workers=5)
self.assertEqual(session.executor._max_workers, 10)
def test_redirect(self):
""" Tests for the ability to cleanly handle redirects. """
sess = FuturesSession()
future = sess.get(httpbin('redirect-to?url=get'))
self.assertIsInstance(future, Future)
resp = future.result()
self.assertIsInstance(resp, Response)
self.assertEqual(200, resp.status_code)
future = sess.get(httpbin('redirect-to?url=status/404'))
resp = future.result()
self.assertEqual(404, resp.status_code)
if __name__ == '__main__':
main()
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