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# Copyright 2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import sys
from portage import _encodings, _unicode_decode
from portage.exception import PortageException
from portage.tests import TestCase
from _emerge.DependencyArg import DependencyArg
from _emerge.UseFlagDisplay import UseFlagDisplay
if sys.hexversion >= 0x3000000:
basestring = str
STR_IS_UNICODE = sys.hexversion >= 0x3000000
class StringFormatTestCase(TestCase):
"""
Test that string formatting works correctly in the current interpretter,
which may be either python2 or python3.
"""
# In order to get some unicode test strings in a way that works in
# both python2 and python3, write them here as byte strings and
# decode them before use. This assumes _encodings['content'] is
# utf_8.
unicode_strings = (
b'\xE2\x80\x98',
b'\xE2\x80\x99',
)
def testDependencyArg(self):
self.assertEqual(_encodings['content'], 'utf_8')
for arg_bytes in self.unicode_strings:
arg_unicode = _unicode_decode(arg_bytes, encoding=_encodings['content'])
dependency_arg = DependencyArg(arg=arg_unicode)
# Force unicode format string so that __unicode__() is
# called in python2.
formatted_str = _unicode_decode("%s") % (dependency_arg,)
self.assertEqual(formatted_str, arg_unicode)
if STR_IS_UNICODE:
# Test the __str__ method which returns unicode in python3
formatted_str = "%s" % (dependency_arg,)
self.assertEqual(formatted_str, arg_unicode)
else:
# Test the __str__ method which returns encoded bytes in python2
formatted_bytes = "%s" % (dependency_arg,)
self.assertEqual(formatted_bytes, arg_bytes)
def testPortageException(self):
self.assertEqual(_encodings['content'], 'utf_8')
for arg_bytes in self.unicode_strings:
arg_unicode = _unicode_decode(arg_bytes, encoding=_encodings['content'])
e = PortageException(arg_unicode)
# Force unicode format string so that __unicode__() is
# called in python2.
formatted_str = _unicode_decode("%s") % (e,)
self.assertEqual(formatted_str, arg_unicode)
if STR_IS_UNICODE:
# Test the __str__ method which returns unicode in python3
formatted_str = "%s" % (e,)
self.assertEqual(formatted_str, arg_unicode)
else:
# Test the __str__ method which returns encoded bytes in python2
formatted_bytes = "%s" % (e,)
self.assertEqual(formatted_bytes, arg_bytes)
def testUseFlagDisplay(self):
self.assertEqual(_encodings['content'], 'utf_8')
for enabled in (True, False):
for forced in (True, False):
for arg_bytes in self.unicode_strings:
arg_unicode = _unicode_decode(arg_bytes, encoding=_encodings['content'])
e = UseFlagDisplay(arg_unicode, enabled, forced)
# Force unicode format string so that __unicode__() is
# called in python2.
formatted_str = _unicode_decode("%s") % (e,)
self.assertEqual(isinstance(formatted_str, basestring), True)
if STR_IS_UNICODE:
# Test the __str__ method which returns unicode in python3
formatted_str = "%s" % (e,)
self.assertEqual(isinstance(formatted_str, str), True)
else:
# Test the __str__ method which returns encoded bytes in python2
formatted_bytes = "%s" % (e,)
self.assertEqual(isinstance(formatted_bytes, bytes), True)
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