/usr/lib/python2.7/dist-packages/tornado/test/escape_test.py is in python-tornado 4.4.3-1.
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from __future__ import absolute_import, division, print_function, with_statement
import tornado.escape
from tornado.escape import utf8, xhtml_escape, xhtml_unescape, url_escape, url_unescape, to_unicode, json_decode, json_encode, squeeze, recursive_unicode
from tornado.util import unicode_type
from tornado.test.util import unittest
linkify_tests = [
# (input, linkify_kwargs, expected_output)
("hello http://world.com/!", {},
u'hello <a href="http://world.com/">http://world.com/</a>!'),
("hello http://world.com/with?param=true&stuff=yes", {},
u'hello <a href="http://world.com/with?param=true&stuff=yes">http://world.com/with?param=true&stuff=yes</a>'),
# an opened paren followed by many chars killed Gruber's regex
("http://url.com/w(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {},
u'<a href="http://url.com/w">http://url.com/w</a>(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
# as did too many dots at the end
("http://url.com/withmany.......................................", {},
u'<a href="http://url.com/withmany">http://url.com/withmany</a>.......................................'),
("http://url.com/withmany((((((((((((((((((((((((((((((((((a)", {},
u'<a href="http://url.com/withmany">http://url.com/withmany</a>((((((((((((((((((((((((((((((((((a)'),
# some examples from http://daringfireball.net/2009/11/liberal_regex_for_matching_urls
# plus a fex extras (such as multiple parentheses).
("http://foo.com/blah_blah", {},
u'<a href="http://foo.com/blah_blah">http://foo.com/blah_blah</a>'),
("http://foo.com/blah_blah/", {},
u'<a href="http://foo.com/blah_blah/">http://foo.com/blah_blah/</a>'),
("(Something like http://foo.com/blah_blah)", {},
u'(Something like <a href="http://foo.com/blah_blah">http://foo.com/blah_blah</a>)'),
("http://foo.com/blah_blah_(wikipedia)", {},
u'<a href="http://foo.com/blah_blah_(wikipedia)">http://foo.com/blah_blah_(wikipedia)</a>'),
("http://foo.com/blah_(blah)_(wikipedia)_blah", {},
u'<a href="http://foo.com/blah_(blah)_(wikipedia)_blah">http://foo.com/blah_(blah)_(wikipedia)_blah</a>'),
("(Something like http://foo.com/blah_blah_(wikipedia))", {},
u'(Something like <a href="http://foo.com/blah_blah_(wikipedia)">http://foo.com/blah_blah_(wikipedia)</a>)'),
("http://foo.com/blah_blah.", {},
u'<a href="http://foo.com/blah_blah">http://foo.com/blah_blah</a>.'),
("http://foo.com/blah_blah/.", {},
u'<a href="http://foo.com/blah_blah/">http://foo.com/blah_blah/</a>.'),
("<http://foo.com/blah_blah>", {},
u'<<a href="http://foo.com/blah_blah">http://foo.com/blah_blah</a>>'),
("<http://foo.com/blah_blah/>", {},
u'<<a href="http://foo.com/blah_blah/">http://foo.com/blah_blah/</a>>'),
("http://foo.com/blah_blah,", {},
u'<a href="http://foo.com/blah_blah">http://foo.com/blah_blah</a>,'),
("http://www.example.com/wpstyle/?p=364.", {},
u'<a href="http://www.example.com/wpstyle/?p=364">http://www.example.com/wpstyle/?p=364</a>.'),
("rdar://1234",
{"permitted_protocols": ["http", "rdar"]},
u'<a href="rdar://1234">rdar://1234</a>'),
("rdar:/1234",
{"permitted_protocols": ["rdar"]},
u'<a href="rdar:/1234">rdar:/1234</a>'),
("http://userid:password@example.com:8080", {},
u'<a href="http://userid:password@example.com:8080">http://userid:password@example.com:8080</a>'),
("http://userid@example.com", {},
u'<a href="http://userid@example.com">http://userid@example.com</a>'),
("http://userid@example.com:8080", {},
u'<a href="http://userid@example.com:8080">http://userid@example.com:8080</a>'),
("http://userid:password@example.com", {},
u'<a href="http://userid:password@example.com">http://userid:password@example.com</a>'),
("message://%3c330e7f8409726r6a4ba78dkf1fd71420c1bf6ff@mail.gmail.com%3e",
{"permitted_protocols": ["http", "message"]},
u'<a href="message://%3c330e7f8409726r6a4ba78dkf1fd71420c1bf6ff@mail.gmail.com%3e">message://%3c330e7f8409726r6a4ba78dkf1fd71420c1bf6ff@mail.gmail.com%3e</a>'),
(u"http://\u27a1.ws/\u4a39", {},
u'<a href="http://\u27a1.ws/\u4a39">http://\u27a1.ws/\u4a39</a>'),
("<tag>http://example.com</tag>", {},
u'<tag><a href="http://example.com">http://example.com</a></tag>'),
("Just a www.example.com link.", {},
u'Just a <a href="http://www.example.com">www.example.com</a> link.'),
("Just a www.example.com link.",
{"require_protocol": True},
u'Just a www.example.com link.'),
("A http://reallylong.com/link/that/exceedsthelenglimit.html",
{"require_protocol": True, "shorten": True},
u'A <a href="http://reallylong.com/link/that/exceedsthelenglimit.html" title="http://reallylong.com/link/that/exceedsthelenglimit.html">http://reallylong.com/link...</a>'),
("A http://reallylongdomainnamethatwillbetoolong.com/hi!",
{"shorten": True},
u'A <a href="http://reallylongdomainnamethatwillbetoolong.com/hi" title="http://reallylongdomainnamethatwillbetoolong.com/hi">http://reallylongdomainnametha...</a>!'),
("A file:///passwords.txt and http://web.com link", {},
u'A file:///passwords.txt and <a href="http://web.com">http://web.com</a> link'),
("A file:///passwords.txt and http://web.com link",
{"permitted_protocols": ["file"]},
u'A <a href="file:///passwords.txt">file:///passwords.txt</a> and http://web.com link'),
("www.external-link.com",
{"extra_params": 'rel="nofollow" class="external"'},
u'<a href="http://www.external-link.com" rel="nofollow" class="external">www.external-link.com</a>'),
("www.external-link.com and www.internal-link.com/blogs extra",
{"extra_params": lambda href: 'class="internal"' if href.startswith("http://www.internal-link.com") else 'rel="nofollow" class="external"'},
u'<a href="http://www.external-link.com" rel="nofollow" class="external">www.external-link.com</a> and <a href="http://www.internal-link.com/blogs" class="internal">www.internal-link.com/blogs</a> extra'),
("www.external-link.com",
{"extra_params": lambda href: ' rel="nofollow" class="external" '},
u'<a href="http://www.external-link.com" rel="nofollow" class="external">www.external-link.com</a>'),
]
class EscapeTestCase(unittest.TestCase):
def test_linkify(self):
for text, kwargs, html in linkify_tests:
linked = tornado.escape.linkify(text, **kwargs)
self.assertEqual(linked, html)
def test_xhtml_escape(self):
tests = [
("<foo>", "<foo>"),
(u"<foo>", u"<foo>"),
(b"<foo>", b"<foo>"),
("<>&\"'", "<>&"'"),
("&", "&amp;"),
(u"<\u00e9>", u"<\u00e9>"),
(b"<\xc3\xa9>", b"<\xc3\xa9>"),
]
for unescaped, escaped in tests:
self.assertEqual(utf8(xhtml_escape(unescaped)), utf8(escaped))
self.assertEqual(utf8(unescaped), utf8(xhtml_unescape(escaped)))
def test_xhtml_unescape_numeric(self):
tests = [
('foo bar', 'foo bar'),
('foo bar', 'foo bar'),
('foo bar', 'foo bar'),
('foo઼bar', u'foo\u0abcbar'),
('foo&#xyz;bar', 'foo&#xyz;bar'), # invalid encoding
('foo&#;bar', 'foo&#;bar'), # invalid encoding
('foo&#x;bar', 'foo&#x;bar'), # invalid encoding
]
for escaped, unescaped in tests:
self.assertEqual(unescaped, xhtml_unescape(escaped))
def test_url_escape_unicode(self):
tests = [
# byte strings are passed through as-is
(u'\u00e9'.encode('utf8'), '%C3%A9'),
(u'\u00e9'.encode('latin1'), '%E9'),
# unicode strings become utf8
(u'\u00e9', '%C3%A9'),
]
for unescaped, escaped in tests:
self.assertEqual(url_escape(unescaped), escaped)
def test_url_unescape_unicode(self):
tests = [
('%C3%A9', u'\u00e9', 'utf8'),
('%C3%A9', u'\u00c3\u00a9', 'latin1'),
('%C3%A9', utf8(u'\u00e9'), None),
]
for escaped, unescaped, encoding in tests:
# input strings to url_unescape should only contain ascii
# characters, but make sure the function accepts both byte
# and unicode strings.
self.assertEqual(url_unescape(to_unicode(escaped), encoding), unescaped)
self.assertEqual(url_unescape(utf8(escaped), encoding), unescaped)
def test_url_escape_quote_plus(self):
unescaped = '+ #%'
plus_escaped = '%2B+%23%25'
escaped = '%2B%20%23%25'
self.assertEqual(url_escape(unescaped), plus_escaped)
self.assertEqual(url_escape(unescaped, plus=False), escaped)
self.assertEqual(url_unescape(plus_escaped), unescaped)
self.assertEqual(url_unescape(escaped, plus=False), unescaped)
self.assertEqual(url_unescape(plus_escaped, encoding=None),
utf8(unescaped))
self.assertEqual(url_unescape(escaped, encoding=None, plus=False),
utf8(unescaped))
def test_escape_return_types(self):
# On python2 the escape methods should generally return the same
# type as their argument
self.assertEqual(type(xhtml_escape("foo")), str)
self.assertEqual(type(xhtml_escape(u"foo")), unicode_type)
def test_json_decode(self):
# json_decode accepts both bytes and unicode, but strings it returns
# are always unicode.
self.assertEqual(json_decode(b'"foo"'), u"foo")
self.assertEqual(json_decode(u'"foo"'), u"foo")
# Non-ascii bytes are interpreted as utf8
self.assertEqual(json_decode(utf8(u'"\u00e9"')), u"\u00e9")
def test_json_encode(self):
# json deals with strings, not bytes. On python 2 byte strings will
# convert automatically if they are utf8; on python 3 byte strings
# are not allowed.
self.assertEqual(json_decode(json_encode(u"\u00e9")), u"\u00e9")
if bytes is str:
self.assertEqual(json_decode(json_encode(utf8(u"\u00e9"))), u"\u00e9")
self.assertRaises(UnicodeDecodeError, json_encode, b"\xe9")
def test_squeeze(self):
self.assertEqual(squeeze(u'sequences of whitespace chars'), u'sequences of whitespace chars')
def test_recursive_unicode(self):
tests = {
'dict': {b"foo": b"bar"},
'list': [b"foo", b"bar"],
'tuple': (b"foo", b"bar"),
'bytes': b"foo"
}
self.assertEqual(recursive_unicode(tests['dict']), {u"foo": u"bar"})
self.assertEqual(recursive_unicode(tests['list']), [u"foo", u"bar"])
self.assertEqual(recursive_unicode(tests['tuple']), (u"foo", u"bar"))
self.assertEqual(recursive_unicode(tests['bytes']), u"foo")
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