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scrapy/tests/test_downloadermiddleware_cookies.py
2014-09-14 14:24:16 +06:00

156 lines
7.0 KiB
Python

from unittest import TestCase
import re
from scrapy.http import Response, Request
from scrapy.spider import Spider
from scrapy.contrib.downloadermiddleware.cookies import CookiesMiddleware
class CookiesMiddlewareTest(TestCase):
def test_local_domain(self):
request = Request("http://example-host/", cookies={'currencyCookie': 'USD'})
assert self.mw.process_request(request, self.spider) is None
assert 'Cookie' in request.headers
assert 'currencyCookie' in request.headers['Cookie']
def assertCookieValEqual(self, first, second, msg=None):
cookievaleq = lambda cv: re.split(';\s*', cv)
return self.assertEqual(
sorted(cookievaleq(first)),
sorted(cookievaleq(second)), msg)
def setUp(self):
self.spider = Spider('foo')
self.mw = CookiesMiddleware()
def tearDown(self):
del self.mw
def test_basic(self):
headers = {'Set-Cookie': 'C1=value1; path=/'}
req = Request('http://scrapytest.org/')
assert self.mw.process_request(req, self.spider) is None
assert 'Cookie' not in req.headers
res = Response('http://scrapytest.org/', headers=headers)
assert self.mw.process_response(req, res, self.spider) is res
#assert res.cookies
req2 = Request('http://scrapytest.org/sub1/')
assert self.mw.process_request(req2, self.spider) is None
self.assertEquals(req2.headers.get('Cookie'), "C1=value1")
def test_dont_merge_cookies(self):
# merge some cookies into jar
headers = {'Set-Cookie': 'C1=value1; path=/'}
req = Request('http://scrapytest.org/')
res = Response('http://scrapytest.org/', headers=headers)
assert self.mw.process_response(req, res, self.spider) is res
# test Cookie header is not seted to request
req = Request('http://scrapytest.org/dontmerge', meta={'dont_merge_cookies': 1})
assert self.mw.process_request(req, self.spider) is None
assert 'Cookie' not in req.headers
# check that returned cookies are not merged back to jar
res = Response('http://scrapytest.org/dontmerge', headers={'Set-Cookie': 'dont=mergeme; path=/'})
assert self.mw.process_response(req, res, self.spider) is res
# check that cookies are merged back
req = Request('http://scrapytest.org/mergeme')
assert self.mw.process_request(req, self.spider) is None
self.assertEquals(req.headers.get('Cookie'), 'C1=value1')
# check that cookies are merged when dont_merge_cookies is passed as 0
req = Request('http://scrapytest.org/mergeme', meta={'dont_merge_cookies': 0})
assert self.mw.process_request(req, self.spider) is None
self.assertEquals(req.headers.get('Cookie'), 'C1=value1')
def test_complex_cookies(self):
# merge some cookies into jar
cookies = [{'name': 'C1', 'value': 'value1', 'path': '/foo', 'domain': 'scrapytest.org'},
{'name': 'C2', 'value': 'value2', 'path': '/bar', 'domain': 'scrapytest.org'},
{'name': 'C3', 'value': 'value3', 'path': '/foo', 'domain': 'scrapytest.org'},
{'name': 'C4', 'value': 'value4', 'path': '/foo', 'domain': 'scrapy.org'}]
req = Request('http://scrapytest.org/', cookies=cookies)
self.mw.process_request(req, self.spider)
# embed C1 and C3 for scrapytest.org/foo
req = Request('http://scrapytest.org/foo')
self.mw.process_request(req, self.spider)
assert req.headers.get('Cookie') in ('C1=value1; C3=value3', 'C3=value3; C1=value1')
# embed C2 for scrapytest.org/bar
req = Request('http://scrapytest.org/bar')
self.mw.process_request(req, self.spider)
self.assertEquals(req.headers.get('Cookie'), 'C2=value2')
# embed nothing for scrapytest.org/baz
req = Request('http://scrapytest.org/baz')
self.mw.process_request(req, self.spider)
assert 'Cookie' not in req.headers
def test_merge_request_cookies(self):
req = Request('http://scrapytest.org/', cookies={'galleta': 'salada'})
assert self.mw.process_request(req, self.spider) is None
self.assertEquals(req.headers.get('Cookie'), 'galleta=salada')
headers = {'Set-Cookie': 'C1=value1; path=/'}
res = Response('http://scrapytest.org/', headers=headers)
assert self.mw.process_response(req, res, self.spider) is res
req2 = Request('http://scrapytest.org/sub1/')
assert self.mw.process_request(req2, self.spider) is None
self.assertCookieValEqual(req2.headers.get('Cookie'), "C1=value1; galleta=salada")
def test_cookiejar_key(self):
req = Request('http://scrapytest.org/', cookies={'galleta': 'salada'}, meta={'cookiejar': "store1"})
assert self.mw.process_request(req, self.spider) is None
self.assertEquals(req.headers.get('Cookie'), 'galleta=salada')
headers = {'Set-Cookie': 'C1=value1; path=/'}
res = Response('http://scrapytest.org/', headers=headers, request=req)
assert self.mw.process_response(req, res, self.spider) is res
req2 = Request('http://scrapytest.org/', meta=res.meta)
assert self.mw.process_request(req2, self.spider) is None
self.assertCookieValEqual(req2.headers.get('Cookie'),'C1=value1; galleta=salada')
req3 = Request('http://scrapytest.org/', cookies={'galleta': 'dulce'}, meta={'cookiejar': "store2"})
assert self.mw.process_request(req3, self.spider) is None
self.assertEquals(req3.headers.get('Cookie'), 'galleta=dulce')
headers = {'Set-Cookie': 'C2=value2; path=/'}
res2 = Response('http://scrapytest.org/', headers=headers, request=req3)
assert self.mw.process_response(req3, res2, self.spider) is res2
req4 = Request('http://scrapytest.org/', meta=res2.meta)
assert self.mw.process_request(req4, self.spider) is None
self.assertCookieValEqual(req4.headers.get('Cookie'), 'C2=value2; galleta=dulce')
#cookies from hosts with port
req5_1 = Request('http://scrapytest.org:1104/')
assert self.mw.process_request(req5_1, self.spider) is None
headers = {'Set-Cookie': 'C1=value1; path=/'}
res5_1 = Response('http://scrapytest.org:1104/', headers=headers, request=req5_1)
assert self.mw.process_response(req5_1, res5_1, self.spider) is res5_1
req5_2 = Request('http://scrapytest.org:1104/some-redirected-path')
assert self.mw.process_request(req5_2, self.spider) is None
self.assertEquals(req5_2.headers.get('Cookie'), 'C1=value1')
req5_3 = Request('http://scrapytest.org/some-redirected-path')
assert self.mw.process_request(req5_3, self.spider) is None
self.assertEquals(req5_3.headers.get('Cookie'), 'C1=value1')
#skip cookie retrieval for not http request
req6 = Request('file:///scrapy/sometempfile')
assert self.mw.process_request(req6, self.spider) is None
self.assertEquals(req6.headers.get('Cookie'), None)