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parallel-library/vendor/werkzeug/testsuite/http.py

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# -*- coding: utf-8 -*-
"""
werkzeug.testsuite.http
~~~~~~~~~~~~~~~~~~~~~~~
HTTP parsing utilities.
:copyright: (c) 2013 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
import unittest
from datetime import datetime
from werkzeug.testsuite import WerkzeugTestCase
from werkzeug._compat import itervalues, wsgi_encoding_dance
from werkzeug import http, datastructures
from werkzeug.test import create_environ
class HTTPUtilityTestCase(WerkzeugTestCase):
def test_accept(self):
a = http.parse_accept_header('en-us,ru;q=0.5')
self.assert_equal(list(itervalues(a)), ['en-us', 'ru'])
self.assert_equal(a.best, 'en-us')
self.assert_equal(a.find('ru'), 1)
self.assert_raises(ValueError, a.index, 'de')
self.assert_equal(a.to_header(), 'en-us,ru;q=0.5')
def test_mime_accept(self):
a = http.parse_accept_header('text/xml,application/xml,'
'application/xhtml+xml,'
'text/html;q=0.9,text/plain;q=0.8,'
'image/png,*/*;q=0.5',
datastructures.MIMEAccept)
self.assert_raises(ValueError, lambda: a['missing'])
self.assert_equal(a['image/png'], 1)
self.assert_equal(a['text/plain'], 0.8)
self.assert_equal(a['foo/bar'], 0.5)
self.assert_equal(a[a.find('foo/bar')], ('*/*', 0.5))
def test_accept_matches(self):
a = http.parse_accept_header('text/xml,application/xml,application/xhtml+xml,'
'text/html;q=0.9,text/plain;q=0.8,'
'image/png', datastructures.MIMEAccept)
self.assert_equal(a.best_match(['text/html', 'application/xhtml+xml']),
'application/xhtml+xml')
self.assert_equal(a.best_match(['text/html']), 'text/html')
self.assert_true(a.best_match(['foo/bar']) is None)
self.assert_equal(a.best_match(['foo/bar', 'bar/foo'],
default='foo/bar'), 'foo/bar')
self.assert_equal(a.best_match(['application/xml', 'text/xml']), 'application/xml')
def test_charset_accept(self):
a = http.parse_accept_header('ISO-8859-1,utf-8;q=0.7,*;q=0.7',
datastructures.CharsetAccept)
self.assert_equal(a['iso-8859-1'], a['iso8859-1'])
self.assert_equal(a['iso-8859-1'], 1)
self.assert_equal(a['UTF8'], 0.7)
self.assert_equal(a['ebcdic'], 0.7)
def test_language_accept(self):
a = http.parse_accept_header('de-AT,de;q=0.8,en;q=0.5',
datastructures.LanguageAccept)
self.assert_equal(a.best, 'de-AT')
self.assert_true('de_AT' in a)
self.assert_true('en' in a)
self.assert_equal(a['de-at'], 1)
self.assert_equal(a['en'], 0.5)
def test_set_header(self):
hs = http.parse_set_header('foo, Bar, "Blah baz", Hehe')
self.assert_true('blah baz' in hs)
self.assert_true('foobar' not in hs)
self.assert_true('foo' in hs)
self.assert_equal(list(hs), ['foo', 'Bar', 'Blah baz', 'Hehe'])
hs.add('Foo')
self.assert_equal(hs.to_header(), 'foo, Bar, "Blah baz", Hehe')
def test_list_header(self):
hl = http.parse_list_header('foo baz, blah')
self.assert_equal(hl, ['foo baz', 'blah'])
def test_dict_header(self):
d = http.parse_dict_header('foo="bar baz", blah=42')
self.assert_equal(d, {'foo': 'bar baz', 'blah': '42'})
def test_cache_control_header(self):
cc = http.parse_cache_control_header('max-age=0, no-cache')
assert cc.max_age == 0
assert cc.no_cache
cc = http.parse_cache_control_header('private, community="UCI"', None,
datastructures.ResponseCacheControl)
assert cc.private
assert cc['community'] == 'UCI'
c = datastructures.ResponseCacheControl()
assert c.no_cache is None
assert c.private is None
c.no_cache = True
assert c.no_cache == '*'
c.private = True
assert c.private == '*'
del c.private
assert c.private is None
assert c.to_header() == 'no-cache'
def test_authorization_header(self):
a = http.parse_authorization_header('Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==')
assert a.type == 'basic'
assert a.username == 'Aladdin'
assert a.password == 'open sesame'
a = http.parse_authorization_header('''Digest username="Mufasa",
realm="testrealm@host.invalid",
nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
uri="/dir/index.html",
qop=auth,
nc=00000001,
cnonce="0a4f113b",
response="6629fae49393a05397450978507c4ef1",
opaque="5ccc069c403ebaf9f0171e9517f40e41"''')
assert a.type == 'digest'
assert a.username == 'Mufasa'
assert a.realm == 'testrealm@host.invalid'
assert a.nonce == 'dcd98b7102dd2f0e8b11d0f600bfb0c093'
assert a.uri == '/dir/index.html'
assert 'auth' in a.qop
assert a.nc == '00000001'
assert a.cnonce == '0a4f113b'
assert a.response == '6629fae49393a05397450978507c4ef1'
assert a.opaque == '5ccc069c403ebaf9f0171e9517f40e41'
a = http.parse_authorization_header('''Digest username="Mufasa",
realm="testrealm@host.invalid",
nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
uri="/dir/index.html",
response="e257afa1414a3340d93d30955171dd0e",
opaque="5ccc069c403ebaf9f0171e9517f40e41"''')
assert a.type == 'digest'
assert a.username == 'Mufasa'
assert a.realm == 'testrealm@host.invalid'
assert a.nonce == 'dcd98b7102dd2f0e8b11d0f600bfb0c093'
assert a.uri == '/dir/index.html'
assert a.response == 'e257afa1414a3340d93d30955171dd0e'
assert a.opaque == '5ccc069c403ebaf9f0171e9517f40e41'
assert http.parse_authorization_header('') is None
assert http.parse_authorization_header(None) is None
assert http.parse_authorization_header('foo') is None
def test_www_authenticate_header(self):
wa = http.parse_www_authenticate_header('Basic realm="WallyWorld"')
assert wa.type == 'basic'
assert wa.realm == 'WallyWorld'
wa.realm = 'Foo Bar'
assert wa.to_header() == 'Basic realm="Foo Bar"'
wa = http.parse_www_authenticate_header('''Digest
realm="testrealm@host.com",
qop="auth,auth-int",
nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
opaque="5ccc069c403ebaf9f0171e9517f40e41"''')
assert wa.type == 'digest'
assert wa.realm == 'testrealm@host.com'
assert 'auth' in wa.qop
assert 'auth-int' in wa.qop
assert wa.nonce == 'dcd98b7102dd2f0e8b11d0f600bfb0c093'
assert wa.opaque == '5ccc069c403ebaf9f0171e9517f40e41'
wa = http.parse_www_authenticate_header('broken')
assert wa.type == 'broken'
assert not http.parse_www_authenticate_header('').type
assert not http.parse_www_authenticate_header('')
def test_etags(self):
assert http.quote_etag('foo') == '"foo"'
assert http.quote_etag('foo', True) == 'w/"foo"'
assert http.unquote_etag('"foo"') == ('foo', False)
assert http.unquote_etag('w/"foo"') == ('foo', True)
es = http.parse_etags('"foo", "bar", w/"baz", blar')
assert sorted(es) == ['bar', 'blar', 'foo']
assert 'foo' in es
assert 'baz' not in es
assert es.contains_weak('baz')
assert 'blar' in es
assert es.contains_raw('w/"baz"')
assert es.contains_raw('"foo"')
assert sorted(es.to_header().split(', ')) == ['"bar"', '"blar"', '"foo"', 'w/"baz"']
def test_etags_nonzero(self):
etags = http.parse_etags('w/"foo"')
self.assert_true(bool(etags))
self.assert_true(etags.contains_raw('w/"foo"'))
def test_parse_date(self):
assert http.parse_date('Sun, 06 Nov 1994 08:49:37 GMT ') == datetime(1994, 11, 6, 8, 49, 37)
assert http.parse_date('Sunday, 06-Nov-94 08:49:37 GMT') == datetime(1994, 11, 6, 8, 49, 37)
assert http.parse_date(' Sun Nov 6 08:49:37 1994') == datetime(1994, 11, 6, 8, 49, 37)
assert http.parse_date('foo') is None
def test_parse_date_overflows(self):
assert http.parse_date(' Sun 02 Feb 1343 08:49:37 GMT') == datetime(1343, 2, 2, 8, 49, 37)
assert http.parse_date('Thu, 01 Jan 1970 00:00:00 GMT') == datetime(1970, 1, 1, 0, 0)
assert http.parse_date('Thu, 33 Jan 1970 00:00:00 GMT') is None
def test_remove_entity_headers(self):
now = http.http_date()
headers1 = [('Date', now), ('Content-Type', 'text/html'), ('Content-Length', '0')]
headers2 = datastructures.Headers(headers1)
http.remove_entity_headers(headers1)
assert headers1 == [('Date', now)]
http.remove_entity_headers(headers2)
self.assert_equal(headers2, datastructures.Headers([(u'Date', now)]))
def test_remove_hop_by_hop_headers(self):
headers1 = [('Connection', 'closed'), ('Foo', 'bar'),
('Keep-Alive', 'wtf')]
headers2 = datastructures.Headers(headers1)
http.remove_hop_by_hop_headers(headers1)
assert headers1 == [('Foo', 'bar')]
http.remove_hop_by_hop_headers(headers2)
assert headers2 == datastructures.Headers([('Foo', 'bar')])
def test_parse_options_header(self):
assert http.parse_options_header(r'something; foo="other\"thing"') == \
('something', {'foo': 'other"thing'})
assert http.parse_options_header(r'something; foo="other\"thing"; meh=42') == \
('something', {'foo': 'other"thing', 'meh': '42'})
assert http.parse_options_header(r'something; foo="other\"thing"; meh=42; bleh') == \
('something', {'foo': 'other"thing', 'meh': '42', 'bleh': None})
assert http.parse_options_header('something; foo="other;thing"; meh=42; bleh') == \
('something', {'foo': 'other;thing', 'meh': '42', 'bleh': None})
assert http.parse_options_header('something; foo="otherthing"; meh=; bleh') == \
('something', {'foo': 'otherthing', 'meh': None, 'bleh': None})
def test_dump_options_header(self):
assert http.dump_options_header('foo', {'bar': 42}) == \
'foo; bar=42'
assert http.dump_options_header('foo', {'bar': 42, 'fizz': None}) in \
('foo; bar=42; fizz', 'foo; fizz; bar=42')
def test_dump_header(self):
assert http.dump_header([1, 2, 3]) == '1, 2, 3'
assert http.dump_header([1, 2, 3], allow_token=False) == '"1", "2", "3"'
assert http.dump_header({'foo': 'bar'}, allow_token=False) == 'foo="bar"'
assert http.dump_header({'foo': 'bar'}) == 'foo=bar'
def test_is_resource_modified(self):
env = create_environ()
# ignore POST
env['REQUEST_METHOD'] = 'POST'
assert not http.is_resource_modified(env, etag='testing')
env['REQUEST_METHOD'] = 'GET'
# etagify from data
self.assert_raises(TypeError, http.is_resource_modified, env,
data='42', etag='23')
env['HTTP_IF_NONE_MATCH'] = http.generate_etag(b'awesome')
assert not http.is_resource_modified(env, data=b'awesome')
env['HTTP_IF_MODIFIED_SINCE'] = http.http_date(datetime(2008, 1, 1, 12, 30))
assert not http.is_resource_modified(env,
last_modified=datetime(2008, 1, 1, 12, 00))
assert http.is_resource_modified(env,
last_modified=datetime(2008, 1, 1, 13, 00))
def test_date_formatting(self):
assert http.cookie_date(0) == 'Thu, 01-Jan-1970 00:00:00 GMT'
assert http.cookie_date(datetime(1970, 1, 1)) == 'Thu, 01-Jan-1970 00:00:00 GMT'
assert http.http_date(0) == 'Thu, 01 Jan 1970 00:00:00 GMT'
assert http.http_date(datetime(1970, 1, 1)) == 'Thu, 01 Jan 1970 00:00:00 GMT'
def test_cookies(self):
self.assert_strict_equal(
dict(http.parse_cookie('dismiss-top=6; CP=null*; PHPSESSID=0a539d42abc001cd'
'c762809248d4beed; a=42')),
{
'CP': u'null*',
'PHPSESSID': u'0a539d42abc001cdc762809248d4beed',
'a': u'42',
'dismiss-top': u'6'
}
)
self.assert_strict_equal(
set(http.dump_cookie('foo', 'bar baz blub', 360, httponly=True,
sync_expires=False).split(u'; ')),
set([u'HttpOnly', u'Max-Age=360', u'Path=/', u'foo="bar baz blub"'])
)
self.assert_strict_equal(dict(http.parse_cookie('fo234{=bar; blub=Blah')),
{'fo234{': u'bar', 'blub': u'Blah'})
def test_cookie_quoting(self):
val = http.dump_cookie("foo", "?foo")
self.assert_strict_equal(val, 'foo="?foo"; Path=/')
self.assert_strict_equal(dict(http.parse_cookie(val)), {'foo': u'?foo'})
self.assert_strict_equal(dict(http.parse_cookie(r'foo="foo\054bar"')),
{'foo': u'foo,bar'})
def test_cookie_domain_resolving(self):
val = http.dump_cookie('foo', 'bar', domain=u'\N{SNOWMAN}.com')
self.assert_strict_equal(val, 'foo=bar; Domain=xn--n3h.com; Path=/')
def test_cookie_unicode_dumping(self):
val = http.dump_cookie('foo', u'\N{SNOWMAN}')
h = datastructures.Headers()
h.add('Set-Cookie', val)
self.assert_equal(h['Set-Cookie'], 'foo="\\342\\230\\203"; Path=/')
cookies = http.parse_cookie(h['Set-Cookie'])
self.assert_equal(cookies['foo'], u'\N{SNOWMAN}')
def test_cookie_unicode_keys(self):
# Yes, this is technically against the spec but happens
val = http.dump_cookie(u'fö', u'fö')
self.assert_equal(val, wsgi_encoding_dance(u'fö="f\\303\\266"; Path=/', 'utf-8'))
cookies = http.parse_cookie(val)
self.assert_equal(cookies[u'fö'], u'fö')
def test_cookie_unicode_parsing(self):
# This is actually a correct test. This is what is being submitted
# by firefox if you set an unicode cookie and we get the cookie sent
# in on Python 3 under PEP 3333.
cookies = http.parse_cookie(u'fö=fö')
self.assert_equal(cookies[u'fö'], u'fö')
def test_cookie_domain_encoding(self):
val = http.dump_cookie('foo', 'bar', domain=u'\N{SNOWMAN}.com')
self.assert_strict_equal(val, 'foo=bar; Domain=xn--n3h.com; Path=/')
val = http.dump_cookie('foo', 'bar', domain=u'.\N{SNOWMAN}.com')
self.assert_strict_equal(val, 'foo=bar; Domain=.xn--n3h.com; Path=/')
val = http.dump_cookie('foo', 'bar', domain=u'.foo.com')
self.assert_strict_equal(val, 'foo=bar; Domain=.foo.com; Path=/')
class RangeTestCase(WerkzeugTestCase):
def test_if_range_parsing(self):
rv = http.parse_if_range_header('"Test"')
assert rv.etag == 'Test'
assert rv.date is None
assert rv.to_header() == '"Test"'
# weak information is dropped
rv = http.parse_if_range_header('w/"Test"')
assert rv.etag == 'Test'
assert rv.date is None
assert rv.to_header() == '"Test"'
# broken etags are supported too
rv = http.parse_if_range_header('bullshit')
assert rv.etag == 'bullshit'
assert rv.date is None
assert rv.to_header() == '"bullshit"'
rv = http.parse_if_range_header('Thu, 01 Jan 1970 00:00:00 GMT')
assert rv.etag is None
assert rv.date == datetime(1970, 1, 1)
assert rv.to_header() == 'Thu, 01 Jan 1970 00:00:00 GMT'
for x in '', None:
rv = http.parse_if_range_header(x)
assert rv.etag is None
assert rv.date is None
assert rv.to_header() == ''
def test_range_parsing():
rv = http.parse_range_header('bytes=52')
assert rv is None
rv = http.parse_range_header('bytes=52-')
assert rv.units == 'bytes'
assert rv.ranges == [(52, None)]
assert rv.to_header() == 'bytes=52-'
rv = http.parse_range_header('bytes=52-99')
assert rv.units == 'bytes'
assert rv.ranges == [(52, 100)]
assert rv.to_header() == 'bytes=52-99'
rv = http.parse_range_header('bytes=52-99,-1000')
assert rv.units == 'bytes'
assert rv.ranges == [(52, 100), (-1000, None)]
assert rv.to_header() == 'bytes=52-99,-1000'
rv = http.parse_range_header('bytes = 1 - 100')
assert rv.units == 'bytes'
assert rv.ranges == [(1, 101)]
assert rv.to_header() == 'bytes=1-100'
rv = http.parse_range_header('AWesomes=0-999')
assert rv.units == 'awesomes'
assert rv.ranges == [(0, 1000)]
assert rv.to_header() == 'awesomes=0-999'
def test_content_range_parsing():
rv = http.parse_content_range_header('bytes 0-98/*')
assert rv.units == 'bytes'
assert rv.start == 0
assert rv.stop == 99
assert rv.length is None
assert rv.to_header() == 'bytes 0-98/*'
rv = http.parse_content_range_header('bytes 0-98/*asdfsa')
assert rv is None
rv = http.parse_content_range_header('bytes 0-99/100')
assert rv.to_header() == 'bytes 0-99/100'
rv.start = None
rv.stop = None
assert rv.units == 'bytes'
assert rv.to_header() == 'bytes */100'
rv = http.parse_content_range_header('bytes */100')
assert rv.start is None
assert rv.stop is None
assert rv.length == 100
assert rv.units == 'bytes'
class RegressionTestCase(WerkzeugTestCase):
def test_best_match_works(self):
# was a bug in 0.6
rv = http.parse_accept_header('foo=,application/xml,application/xhtml+xml,'
'text/html;q=0.9,text/plain;q=0.8,'
'image/png,*/*;q=0.5',
datastructures.MIMEAccept).best_match(['foo/bar'])
self.assert_equal(rv, 'foo/bar')
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(HTTPUtilityTestCase))
suite.addTest(unittest.makeSuite(RegressionTestCase))
return suite
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