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# -*- coding: utf-8 -*-
from __future__ import absolute_import, unicode_literals
import sys
from contextlib import contextmanager
from case import patch, skip
from kombu.five import bytes_t, string, string_t
from kombu.utils.encoding import (default_encoding, get_default_encoding_file,
safe_str, set_default_encoding_file)
@contextmanager
def clean_encoding():
old_encoding = sys.modules.pop('kombu.utils.encoding', None)
import kombu.utils.encoding
try:
yield kombu.utils.encoding
finally:
if old_encoding:
sys.modules['kombu.utils.encoding'] = old_encoding
class test_default_encoding:
def test_set_default_file(self):
prev = get_default_encoding_file()
try:
set_default_encoding_file('/foo.txt')
assert get_default_encoding_file() == '/foo.txt'
finally:
set_default_encoding_file(prev)
@patch('sys.getfilesystemencoding')
def test_default(self, getdefaultencoding):
getdefaultencoding.return_value = 'ascii'
with clean_encoding() as encoding:
enc = encoding.default_encoding()
if sys.platform.startswith('java'):
assert enc == 'utf-8'
else:
assert enc == 'ascii'
getdefaultencoding.assert_called_with()
@skip.if_python3()
def test_str_to_bytes():
with clean_encoding() as e:
assert isinstance(e.str_to_bytes('foobar'), bytes_t)
@skip.if_python3()
def test_from_utf8():
with clean_encoding() as e:
assert isinstance(e.from_utf8('foobar'), bytes_t)
@skip.if_python3()
def test_default_encode():
with clean_encoding() as e:
assert e.default_encode(b'foo')
class newbytes(bytes):
"""Mock class to simulate python-future newbytes class"""
def __repr__(self):
return 'b' + super(newbytes, self).__repr__()
def __str__(self):
return 'b' + "'{0}'".format(super(newbytes, self).__str__())
class newstr(string):
"""Mock class to simulate python-future newstr class"""
def encode(self, encoding=None, errors=None):
return newbytes(super(newstr, self).encode(encoding, errors))
class test_safe_str:
def setup(self):
self._encoding = self.patching('sys.getfilesystemencoding')
self._encoding.return_value = 'ascii'
def test_when_bytes(self):
assert safe_str('foo') == 'foo'
def test_when_newstr(self):
"""Simulates using python-future package under 2.7"""
assert str(safe_str(newstr('foo'))) == 'foo'
def test_when_unicode(self):
assert isinstance(safe_str('foo'), string_t)
def test_when_encoding_utf8(self):
self._encoding.return_value = 'utf-8'
assert default_encoding() == 'utf-8'
s = 'The quiæk fåx jømps øver the lazy dåg'
res = safe_str(s)
assert isinstance(res, string_t)
def test_when_containing_high_chars(self):
self._encoding.return_value = 'ascii'
s = 'The quiæk fåx jømps øver the lazy dåg'
res = safe_str(s)
assert isinstance(res, string_t)
assert len(s) == len(res)
def test_when_not_string(self):
o = object()
assert safe_str(o) == repr(o)
def test_when_unrepresentable(self):
class UnrepresentableObject(object):
def __repr__(self):
raise KeyError('foo')
assert '<Unrepresentable' in safe_str(UnrepresentableObject())
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