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# -*- encoding: utf-8 -*-
from __future__ import unicode_literals
import unittest
import datetime
from django.utils import six
from django.utils.encoding import (force_bytes, force_text, filepath_to_uri,
python_2_unicode_compatible)
class TestEncodingUtils(unittest.TestCase):
def test_force_text_exception(self):
"""
Check that 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
self.assertRaises(exception, force_text, MyString())
def test_force_bytes_exception(self):
"""
Test that 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_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')
@unittest.skipIf(six.PY3, "tests a class not defining __str__ under Python 2")
def test_decorated_class_without_str(self):
with self.assertRaises(ValueError):
@python_2_unicode_compatible
class NoStr(object):
pass
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