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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for Requests."""
from requests import Response
from os import environ
from txrequests import Session
from twisted.trial.unittest import TestCase
from twisted.internet import defer
HTTPBIN = environ.get('HTTPBIN_URL', 'http://httpbin.org/')
def httpbin(*suffix):
"""Returns url for HTTPBIN resource."""
return HTTPBIN + '/'.join(suffix)
class RequestsTestCase(TestCase):
@defer.inlineCallbacks
def test_session(self):
# basic futures get
with Session() as sess:
d = sess.get(httpbin('get'))
self.assertIsInstance(d, defer.Deferred)
resp = yield d
self.assertIsInstance(resp, Response)
self.assertEqual(200, resp.status_code)
# non-200, 404
d = sess.get(httpbin('status/404'))
resp = yield d
self.assertEqual(404, resp.status_code)
def cb(s, r):
self.assertIsInstance(s, Session)
self.assertIsInstance(r, Response)
# add the parsed json data to the response
r.data = r.json()
return r
d = sess.get(httpbin('get'), background_callback=cb)
# this should block until complete
resp = yield d
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')
d = sess.get(httpbin('get'), background_callback=rasing_cb)
raised = False
try:
resp = yield d
except Exception as e:
self.assertEqual('boom', e.args[0])
raised = True
self.assertTrue(raised)
def test_max_workers(self):
""" Tests the `max_workers` shortcut. """
from twisted.python.threadpool import ThreadPool
with Session() as session:
self.assertEqual(session.pool.max, 4)
with Session(maxthreads=5) as session:
self.assertEqual(session.pool.max, 5)
with Session(pool=ThreadPool(maxthreads=10)) as session:
self.assertEqual(session.pool.max, 10)
with Session(pool=ThreadPool(maxthreads=10),
maxthreads=5) as session:
self.assertEqual(session.pool.max, 10)
@defer.inlineCallbacks
def test_redirect(self):
""" Tests for the ability to cleanly handle redirects. """
with Session() as sess:
d = sess.get(httpbin('redirect-to?url=get'))
resp = yield d
self.assertIsInstance(resp, Response)
self.assertEqual(200, resp.status_code)
d = sess.get(httpbin('redirect-to?url=status/404'))
resp = yield d
self.assertEqual(404, resp.status_code)
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