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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from twisted.trial import unittest
from twisted.words.protocols.jabber.xmpp_stringprep import nodeprep, resourceprep, nameprep, crippled
class XMPPStringPrepTest(unittest.TestCase):
"""
The nodeprep stringprep profile is similar to the resourceprep profile,
but does an extra mapping of characters (table B.2) and disallows
more characters (table C.1.1 and eight extra punctuation characters).
Due to this similarity, the resourceprep tests are more extensive, and
the nodeprep tests only address the mappings additional restrictions.
The nameprep profile is nearly identical to the nameprep implementation in
L{encodings.idna}, but that implementation assumes the C{UseSTD4ASCIIRules}
flag to be false. This implementation assumes it to be true, and restricts
the allowed set of characters. The tests here only check for the
differences.
"""
def testResourcePrep(self):
self.assertEqual(resourceprep.prepare(u'resource'), u'resource')
self.assertNotEquals(resourceprep.prepare(u'Resource'), u'resource')
self.assertEqual(resourceprep.prepare(u' '), u' ')
if crippled:
return
self.assertEqual(resourceprep.prepare(u'Henry \u2163'), u'Henry IV')
self.assertEqual(resourceprep.prepare(u'foo\xad\u034f\u1806\u180b'
u'bar\u200b\u2060'
u'baz\ufe00\ufe08\ufe0f\ufeff'),
u'foobarbaz')
self.assertEqual(resourceprep.prepare(u'\u00a0'), u' ')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\u1680')
self.assertEqual(resourceprep.prepare(u'\u2000'), u' ')
self.assertEqual(resourceprep.prepare(u'\u200b'), u'')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\u0010\u007f')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\u0085')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\u180e')
self.assertEqual(resourceprep.prepare(u'\ufeff'), u'')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\uf123')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\U000f1234')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\U0010f234')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\U0008fffe')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\U0010ffff')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\udf42')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\ufffd')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\u2ff5')
self.assertEqual(resourceprep.prepare(u'\u0341'), u'\u0301')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\u200e')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\u202a')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\U000e0001')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\U000e0042')
self.assertRaises(UnicodeError, resourceprep.prepare, u'foo\u05bebar')
self.assertRaises(UnicodeError, resourceprep.prepare, u'foo\ufd50bar')
#self.assertEqual(resourceprep.prepare(u'foo\ufb38bar'),
# u'foo\u064ebar')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\u06271')
self.assertEqual(resourceprep.prepare(u'\u06271\u0628'),
u'\u06271\u0628')
self.assertRaises(UnicodeError, resourceprep.prepare, u'\U000e0002')
def testNodePrep(self):
self.assertEqual(nodeprep.prepare(u'user'), u'user')
self.assertEqual(nodeprep.prepare(u'User'), u'user')
self.assertRaises(UnicodeError, nodeprep.prepare, u'us&er')
def test_nodeprepUnassignedInUnicode32(self):
"""
Make sure unassigned code points from Unicode 3.2 are rejected.
"""
self.assertRaises(UnicodeError, nodeprep.prepare, u'\u1d39')
def testNamePrep(self):
self.assertEqual(nameprep.prepare(u'example.com'), u'example.com')
self.assertEqual(nameprep.prepare(u'Example.com'), u'example.com')
self.assertRaises(UnicodeError, nameprep.prepare, u'ex@mple.com')
self.assertRaises(UnicodeError, nameprep.prepare, u'-example.com')
self.assertRaises(UnicodeError, nameprep.prepare, u'example-.com')
if crippled:
return
self.assertEqual(nameprep.prepare(u'stra\u00dfe.example.com'),
u'strasse.example.com')
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