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# Copyright (C) 2005 by Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Tests for the osutils wrapper.
"""
import os
import sys
import bzrlib
from bzrlib.errors import BzrBadParameterNotUnicode
import bzrlib.osutils as osutils
from bzrlib.tests import TestCaseInTempDir, TestCase
class TestOSUtils(TestCaseInTempDir):
def test_fancy_rename(self):
# This should work everywhere
def rename(a, b):
osutils.fancy_rename(a, b,
rename_func=os.rename,
unlink_func=os.unlink)
open('a', 'wb').write('something in a\n')
rename('a', 'b')
self.failIfExists('a')
self.failUnlessExists('b')
self.check_file_contents('b', 'something in a\n')
open('a', 'wb').write('new something in a\n')
rename('b', 'a')
self.check_file_contents('a', 'something in a\n')
def test_rename(self):
# Rename should be semi-atomic on all platforms
open('a', 'wb').write('something in a\n')
osutils.rename('a', 'b')
self.failIfExists('a')
self.failUnlessExists('b')
self.check_file_contents('b', 'something in a\n')
open('a', 'wb').write('new something in a\n')
osutils.rename('b', 'a')
self.check_file_contents('a', 'something in a\n')
# TODO: test fancy_rename using a MemoryTransport
class TestSafeUnicode(TestCase):
def test_from_ascii_string(self):
self.assertEqual(u'foobar', osutils.safe_unicode('foobar'))
def test_from_unicode_string_ascii_contents(self):
self.assertEqual(u'bargam', osutils.safe_unicode(u'bargam'))
def test_from_unicode_string_unicode_contents(self):
self.assertEqual(u'bargam\xae', osutils.safe_unicode(u'bargam\xae'))
def test_from_utf8_string(self):
self.assertEqual(u'foo\xae', osutils.safe_unicode('foo\xc2\xae'))
def test_bad_utf8_string(self):
self.assertRaises(BzrBadParameterNotUnicode,
osutils.safe_unicode,
'\xbb\xbb')
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