150 lines
5.6 KiB
Python
150 lines
5.6 KiB
Python
# -*- encoding: utf-8 -*-
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from __future__ import unicode_literals
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import datetime
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import unittest
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from django.utils import six
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from django.utils.encoding import (
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escape_uri_path, filepath_to_uri, force_bytes, force_text, iri_to_uri,
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smart_text, uri_to_iri,
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)
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from django.utils.functional import SimpleLazyObject
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from django.utils.http import urlquote_plus
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class TestEncodingUtils(unittest.TestCase):
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def test_force_text_exception(self):
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"""
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Check that broken __unicode__/__str__ actually raises an error.
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"""
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class MyString(object):
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def __str__(self):
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return b'\xc3\xb6\xc3\xa4\xc3\xbc'
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__unicode__ = __str__
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# str(s) raises a TypeError on python 3 if the result is not a text type.
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# python 2 fails when it tries converting from str to unicode (via ASCII).
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exception = TypeError if six.PY3 else UnicodeError
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self.assertRaises(exception, force_text, MyString())
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def test_force_text_lazy(self):
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s = SimpleLazyObject(lambda: 'x')
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self.assertTrue(issubclass(type(force_text(s)), six.text_type))
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def test_force_bytes_exception(self):
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"""
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Test that force_bytes knows how to convert to bytes an exception
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containing non-ASCII characters in its args.
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"""
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error_msg = "This is an exception, voilà"
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exc = ValueError(error_msg)
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result = force_bytes(exc)
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self.assertEqual(result, error_msg.encode('utf-8'))
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def test_force_bytes_strings_only(self):
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today = datetime.date.today()
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self.assertEqual(force_bytes(today, strings_only=True), today)
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def test_smart_text(self):
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class Test:
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if six.PY3:
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def __str__(self):
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return 'ŠĐĆŽćžšđ'
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else:
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def __str__(self):
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return 'ŠĐĆŽćžšđ'.encode('utf-8')
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class TestU:
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if six.PY3:
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def __str__(self):
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return 'ŠĐĆŽćžšđ'
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def __bytes__(self):
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return b'Foo'
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else:
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def __str__(self):
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return b'Foo'
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def __unicode__(self):
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return '\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111'
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self.assertEqual(smart_text(Test()), '\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111')
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self.assertEqual(smart_text(TestU()), '\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111')
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self.assertEqual(smart_text(1), '1')
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self.assertEqual(smart_text('foo'), 'foo')
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class TestRFC3987IEncodingUtils(unittest.TestCase):
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def test_filepath_to_uri(self):
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self.assertEqual(filepath_to_uri('upload\\чубака.mp4'),
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'upload/%D1%87%D1%83%D0%B1%D0%B0%D0%BA%D0%B0.mp4')
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self.assertEqual(filepath_to_uri('upload\\чубака.mp4'.encode('utf-8')),
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'upload/%D1%87%D1%83%D0%B1%D0%B0%D0%BA%D0%B0.mp4')
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def test_iri_to_uri(self):
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cases = [
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# Valid UTF-8 sequences are encoded.
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('red%09rosé#red', 'red%09ros%C3%A9#red'),
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('/blog/for/Jürgen Münster/', '/blog/for/J%C3%BCrgen%20M%C3%BCnster/'),
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('locations/%s' % urlquote_plus('Paris & Orléans'), 'locations/Paris+%26+Orl%C3%A9ans'),
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# Reserved chars remain unescaped.
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('%&', '%&'),
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('red&♥ros%#red', 'red&%E2%99%A5ros%#red'),
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]
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for iri, uri in cases:
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self.assertEqual(iri_to_uri(iri), uri)
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# Test idempotency.
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self.assertEqual(iri_to_uri(iri_to_uri(iri)), uri)
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def test_uri_to_iri(self):
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cases = [
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# Valid UTF-8 sequences are decoded.
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('/%E2%99%A5%E2%99%A5/', '/♥♥/'),
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('/%E2%99%A5%E2%99%A5/?utf8=%E2%9C%93', '/♥♥/?utf8=✓'),
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# Broken UTF-8 sequences remain escaped.
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('/%AAd%AAj%AAa%AAn%AAg%AAo%AA/', '/%AAd%AAj%AAa%AAn%AAg%AAo%AA/'),
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('/%E2%99%A5%E2%E2%99%A5/', '/♥%E2♥/'),
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('/%E2%99%A5%E2%99%E2%99%A5/', '/♥%E2%99♥/'),
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('/%E2%E2%99%A5%E2%99%A5%99/', '/%E2♥♥%99/'),
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('/%E2%99%A5%E2%99%A5/?utf8=%9C%93%E2%9C%93%9C%93', '/♥♥/?utf8=%9C%93✓%9C%93'),
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]
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for uri, iri in cases:
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self.assertEqual(uri_to_iri(uri), iri)
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# Test idempotency.
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self.assertEqual(uri_to_iri(uri_to_iri(uri)), iri)
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def test_complementarity(self):
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cases = [
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('/blog/for/J%C3%BCrgen%20M%C3%BCnster/', '/blog/for/J\xfcrgen M\xfcnster/'),
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('%&', '%&'),
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('red&%E2%99%A5ros%#red', 'red&♥ros%#red'),
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('/%E2%99%A5%E2%99%A5/', '/♥♥/'),
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('/%E2%99%A5%E2%99%A5/?utf8=%E2%9C%93', '/♥♥/?utf8=✓'),
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('/%AAd%AAj%AAa%AAn%AAg%AAo%AA/', '/%AAd%AAj%AAa%AAn%AAg%AAo%AA/'),
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('/%E2%99%A5%E2%E2%99%A5/', '/♥%E2♥/'),
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('/%E2%99%A5%E2%99%E2%99%A5/', '/♥%E2%99♥/'),
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('/%E2%E2%99%A5%E2%99%A5%99/', '/%E2♥♥%99/'),
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('/%E2%99%A5%E2%99%A5/?utf8=%9C%93%E2%9C%93%9C%93', '/♥♥/?utf8=%9C%93✓%9C%93'),
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]
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for uri, iri in cases:
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self.assertEqual(iri_to_uri(uri_to_iri(uri)), uri)
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self.assertEqual(uri_to_iri(iri_to_uri(iri)), iri)
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def test_escape_uri_path(self):
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self.assertEqual(
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escape_uri_path('/;some/=awful/?path/:with/@lots/&of/+awful/chars'),
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'/%3Bsome/%3Dawful/%3Fpath/:with/@lots/&of/+awful/chars'
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)
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self.assertEqual(escape_uri_path('/foo#bar'), '/foo%23bar')
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self.assertEqual(escape_uri_path('/foo?bar'), '/foo%3Fbar')
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