1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
|
# -*- encoding: utf-8 -*-
from __future__ import unicode_literals
import datetime
import sys
import unittest
from django.utils import six
from django.utils.encoding import (
escape_uri_path, filepath_to_uri, force_bytes, force_text, iri_to_uri,
repercent_broken_unicode, smart_text, uri_to_iri,
)
from django.utils.functional import SimpleLazyObject
from django.utils.http import urlquote_plus
class TestEncodingUtils(unittest.TestCase):
def test_force_text_exception(self):
"""
Broken __unicode__/__str__ actually raises an error.
"""
class MyString(object):
def __str__(self):
return b'\xc3\xb6\xc3\xa4\xc3\xbc'
__unicode__ = __str__
# str(s) raises a TypeError on python 3 if the result is not a text type.
# python 2 fails when it tries converting from str to unicode (via ASCII).
exception = TypeError if six.PY3 else UnicodeError
with self.assertRaises(exception):
force_text(MyString())
def test_force_text_lazy(self):
s = SimpleLazyObject(lambda: 'x')
self.assertTrue(issubclass(type(force_text(s)), six.text_type))
def test_force_bytes_exception(self):
"""
force_bytes knows how to convert to bytes an exception
containing non-ASCII characters in its args.
"""
error_msg = "This is an exception, voilà"
exc = ValueError(error_msg)
result = force_bytes(exc)
self.assertEqual(result, error_msg.encode('utf-8'))
def test_force_bytes_strings_only(self):
today = datetime.date.today()
self.assertEqual(force_bytes(today, strings_only=True), today)
def test_smart_text(self):
class Test:
if six.PY3:
def __str__(self):
return 'ŠĐĆŽćžšđ'
else:
def __str__(self):
return 'ŠĐĆŽćžšđ'.encode('utf-8')
class TestU:
if six.PY3:
def __str__(self):
return 'ŠĐĆŽćžšđ'
def __bytes__(self):
return b'Foo'
else:
def __str__(self):
return b'Foo'
def __unicode__(self):
return '\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111'
self.assertEqual(smart_text(Test()), '\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111')
self.assertEqual(smart_text(TestU()), '\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111')
self.assertEqual(smart_text(1), '1')
self.assertEqual(smart_text('foo'), 'foo')
def test_repercent_broken_unicode_recursion_error(self):
# Prepare a string long enough to force a recursion error if the tested
# function uses recursion.
data = b'\xfc' * sys.getrecursionlimit()
try:
self.assertEqual(repercent_broken_unicode(data), b'%FC' * sys.getrecursionlimit())
except RecursionError:
self.fail('Unexpected RecursionError raised.')
class TestRFC3987IEncodingUtils(unittest.TestCase):
def test_filepath_to_uri(self):
self.assertEqual(filepath_to_uri('upload\\чубака.mp4'), 'upload/%D1%87%D1%83%D0%B1%D0%B0%D0%BA%D0%B0.mp4')
self.assertEqual(
filepath_to_uri('upload\\чубака.mp4'.encode('utf-8')),
'upload/%D1%87%D1%83%D0%B1%D0%B0%D0%BA%D0%B0.mp4'
)
def test_iri_to_uri(self):
cases = [
# Valid UTF-8 sequences are encoded.
('red%09rosé#red', 'red%09ros%C3%A9#red'),
('/blog/for/Jürgen Münster/', '/blog/for/J%C3%BCrgen%20M%C3%BCnster/'),
('locations/%s' % urlquote_plus('Paris & Orléans'), 'locations/Paris+%26+Orl%C3%A9ans'),
# Reserved chars remain unescaped.
('%&', '%&'),
('red&♥ros%#red', 'red&%E2%99%A5ros%#red'),
]
for iri, uri in cases:
self.assertEqual(iri_to_uri(iri), uri)
# Test idempotency.
self.assertEqual(iri_to_uri(iri_to_uri(iri)), uri)
def test_uri_to_iri(self):
cases = [
# Valid UTF-8 sequences are decoded.
('/%E2%99%A5%E2%99%A5/', '/♥♥/'),
('/%E2%99%A5%E2%99%A5/?utf8=%E2%9C%93', '/♥♥/?utf8=✓'),
# Broken UTF-8 sequences remain escaped.
('/%AAd%AAj%AAa%AAn%AAg%AAo%AA/', '/%AAd%AAj%AAa%AAn%AAg%AAo%AA/'),
('/%E2%99%A5%E2%E2%99%A5/', '/♥%E2♥/'),
('/%E2%99%A5%E2%99%E2%99%A5/', '/♥%E2%99♥/'),
('/%E2%E2%99%A5%E2%99%A5%99/', '/%E2♥♥%99/'),
('/%E2%99%A5%E2%99%A5/?utf8=%9C%93%E2%9C%93%9C%93', '/♥♥/?utf8=%9C%93✓%9C%93'),
]
for uri, iri in cases:
self.assertEqual(uri_to_iri(uri), iri)
# Test idempotency.
self.assertEqual(uri_to_iri(uri_to_iri(uri)), iri)
def test_complementarity(self):
cases = [
('/blog/for/J%C3%BCrgen%20M%C3%BCnster/', '/blog/for/J\xfcrgen M\xfcnster/'),
('%&', '%&'),
('red&%E2%99%A5ros%#red', 'red&♥ros%#red'),
('/%E2%99%A5%E2%99%A5/', '/♥♥/'),
('/%E2%99%A5%E2%99%A5/?utf8=%E2%9C%93', '/♥♥/?utf8=✓'),
('/%AAd%AAj%AAa%AAn%AAg%AAo%AA/', '/%AAd%AAj%AAa%AAn%AAg%AAo%AA/'),
('/%E2%99%A5%E2%E2%99%A5/', '/♥%E2♥/'),
('/%E2%99%A5%E2%99%E2%99%A5/', '/♥%E2%99♥/'),
('/%E2%E2%99%A5%E2%99%A5%99/', '/%E2♥♥%99/'),
('/%E2%99%A5%E2%99%A5/?utf8=%9C%93%E2%9C%93%9C%93', '/♥♥/?utf8=%9C%93✓%9C%93'),
]
for uri, iri in cases:
self.assertEqual(iri_to_uri(uri_to_iri(uri)), uri)
self.assertEqual(uri_to_iri(iri_to_uri(iri)), iri)
def test_escape_uri_path(self):
self.assertEqual(
escape_uri_path('/;some/=awful/?path/:with/@lots/&of/+awful/chars'),
'/%3Bsome/%3Dawful/%3Fpath/:with/@lots/&of/+awful/chars'
)
self.assertEqual(escape_uri_path('/foo#bar'), '/foo%23bar')
self.assertEqual(escape_uri_path('/foo?bar'), '/foo%3Fbar')
|