Files
deb-python-falcon/tests/test_cookies.py

226 lines
7.5 KiB
Python

from datetime import datetime, timedelta, tzinfo
import re
import sys
import ddt
from six.moves.http_cookies import Morsel
from testtools.matchers import LessThan
import falcon
import falcon.testing as testing
from falcon.util import http_date_to_dt, TimezoneGMT
UNICODE_TEST_STRING = u'Unicode_\xc3\xa6\xc3\xb8'
class TimezoneGMTPlus1(tzinfo):
def utcoffset(self, dt):
return timedelta(hours=1)
def tzname(self, dt):
return 'GMT+1'
def dst(self, dt):
return timedelta(hours=1)
GMT_PLUS_ONE = TimezoneGMTPlus1()
class CookieResource:
def on_get(self, req, resp):
resp.set_cookie('foo', 'bar', domain='example.com', path='/')
def on_head(self, req, resp):
resp.set_cookie('foo', 'bar', max_age=300)
resp.set_cookie('bar', 'baz', http_only=False)
resp.set_cookie('bad', 'cookie')
resp.unset_cookie('bad')
def on_post(self, req, resp):
e = datetime(year=2050, month=1, day=1) # naive
resp.set_cookie('foo', 'bar', http_only=False, secure=False, expires=e)
resp.unset_cookie('bad')
def on_put(self, req, resp):
e = datetime(year=2050, month=1, day=1, tzinfo=GMT_PLUS_ONE) # aware
resp.set_cookie('foo', 'bar', http_only=False, secure=False, expires=e)
resp.unset_cookie('bad')
class CookieResourceMaxAgeFloatString:
def on_get(self, req, resp):
resp.set_cookie(
'foofloat', 'bar', max_age=15.3, secure=False, http_only=False)
resp.set_cookie(
'foostring', 'bar', max_age='15', secure=False, http_only=False)
@ddt.ddt
class TestCookies(testing.TestBase):
#
# Response
#
def test_response_base_case(self):
self.resource = CookieResource()
self.api.add_route(self.test_route, self.resource)
self.simulate_request(self.test_route, method='GET')
if sys.version_info >= (3, 4, 3):
value = 'foo=bar; Domain=example.com; HttpOnly; Path=/; Secure'
else:
value = 'foo=bar; Domain=example.com; httponly; Path=/; secure'
self.assertIn(('set-cookie', value), self.srmock.headers)
def test_response_complex_case(self):
self.resource = CookieResource()
self.api.add_route(self.test_route, self.resource)
self.simulate_request(self.test_route, method='HEAD')
if sys.version_info >= (3, 4, 3):
value = 'foo=bar; HttpOnly; Max-Age=300; Secure'
else:
value = 'foo=bar; httponly; Max-Age=300; secure'
self.assertIn(('set-cookie', value), self.srmock.headers)
if sys.version_info >= (3, 4, 3):
value = 'bar=baz; Secure'
else:
value = 'bar=baz; secure'
self.assertIn(('set-cookie', value), self.srmock.headers)
self.assertNotIn(('set-cookie', 'bad=cookie'), self.srmock.headers)
def test_cookie_expires_naive(self):
self.resource = CookieResource()
self.api.add_route(self.test_route, self.resource)
self.simulate_request(self.test_route, method='POST')
self.assertIn(
('set-cookie', 'foo=bar; expires=Sat, 01 Jan 2050 00:00:00 GMT'),
self.srmock.headers)
def test_cookie_expires_aware(self):
self.resource = CookieResource()
self.api.add_route(self.test_route, self.resource)
self.simulate_request(self.test_route, method='PUT')
self.assertIn(
('set-cookie', 'foo=bar; expires=Fri, 31 Dec 2049 23:00:00 GMT'),
self.srmock.headers)
def test_cookies_setable(self):
resp = falcon.Response()
self.assertIsNone(resp._cookies)
resp.set_cookie('foo', 'wrong-cookie', max_age=301)
resp.set_cookie('foo', 'bar', max_age=300)
morsel = resp._cookies['foo']
self.assertIsInstance(morsel, Morsel)
self.assertEqual(morsel.key, 'foo')
self.assertEqual(morsel.value, 'bar')
self.assertEqual(morsel['max-age'], 300)
def test_cookie_max_age_float_and_string(self):
# Falcon implicitly converts max-age values to integers,
# for ensuring RFC 6265-compliance of the attribute value.
self.resource = CookieResourceMaxAgeFloatString()
self.api.add_route(self.test_route, self.resource)
self.simulate_request(self.test_route, method='GET')
self.assertIn(
('set-cookie', 'foofloat=bar; Max-Age=15'), self.srmock.headers)
self.assertIn(
('set-cookie', 'foostring=bar; Max-Age=15'), self.srmock.headers)
def test_response_unset_cookie(self):
resp = falcon.Response()
resp.unset_cookie('bad')
resp.set_cookie('bad', 'cookie', max_age=300)
resp.unset_cookie('bad')
morsels = list(resp._cookies.values())
self.assertEqual(len(morsels), 1)
bad_cookie = morsels[0]
self.assertEqual(bad_cookie['expires'], -1)
output = bad_cookie.OutputString()
self.assertTrue('bad=;' in output or 'bad="";' in output)
match = re.search('expires=([^;]+)', output)
self.assertIsNotNone(match)
expiration = http_date_to_dt(match.group(1), obs_date=True)
self.assertThat(expiration, LessThan(datetime.utcnow()))
def test_cookie_timezone(self):
tz = TimezoneGMT()
self.assertEqual('GMT', tz.tzname(timedelta(0)))
#
# Request
#
def test_request_cookie_parsing(self):
# testing with a github-ish set of cookies
headers = [
('Cookie', '''
logged_in=no;_gh_sess=eyJzZXXzaW9uX2lkIjoiN2;
tz=Europe/Berlin; _ga=GA1.2.332347814.1422308165;
_gat=1;
_octo=GH1.1.201722077.1422308165'''),
]
environ = testing.create_environ(headers=headers)
req = falcon.Request(environ)
self.assertEqual('no', req.cookies['logged_in'])
self.assertEqual('Europe/Berlin', req.cookies['tz'])
self.assertEqual('GH1.1.201722077.1422308165', req.cookies['_octo'])
self.assertIn('logged_in', req.cookies)
self.assertIn('_gh_sess', req.cookies)
self.assertIn('tz', req.cookies)
self.assertIn('_ga', req.cookies)
self.assertIn('_gat', req.cookies)
self.assertIn('_octo', req.cookies)
def test_unicode_inside_ascii_range(self):
resp = falcon.Response()
# should be ok
resp.set_cookie('non_unicode_ascii_name_1', 'ascii_value')
resp.set_cookie(u'unicode_ascii_name_1', 'ascii_value')
resp.set_cookie('non_unicode_ascii_name_2', u'unicode_ascii_value')
resp.set_cookie(u'unicode_ascii_name_2', u'unicode_ascii_value')
@ddt.data(
UNICODE_TEST_STRING,
UNICODE_TEST_STRING.encode('utf-8'),
42
)
def test_non_ascii_name(self, name):
resp = falcon.Response()
self.assertRaises(KeyError, resp.set_cookie,
name, 'ok_value')
@ddt.data(
UNICODE_TEST_STRING,
UNICODE_TEST_STRING.encode('utf-8'),
42
)
def test_non_ascii_value(self, value):
resp = falcon.Response()
# NOTE(tbug): we need to grab the exception to check
# that it is not instance of UnicodeEncodeError, so
# we cannot simply use assertRaises
try:
resp.set_cookie('ok_name', value)
except ValueError as e:
self.assertIsInstance(e, ValueError)
self.assertNotIsInstance(e, UnicodeEncodeError)
else:
self.fail('set_bad_cookie_value did not fail as expected')