# Test the Unicode versions of normal file functions
# open, os.open, os.stat. os.listdir, os.rename, os.remove, os.mkdir, os.chdir, os.rmdir
import sys, os, unittest
from unicodedata import normalize
from test import test_support
filenames = [
'1_abc',
u'2_ascii',
u'3_Gr\xfc\xdf-Gott',
u'4_\u0393\u03b5\u03b9\u03ac-\u03c3\u03b1\u03c2',
u'5_\u0417\u0434\u0440\u0430\u0432\u0441\u0442\u0432\u0443\u0439\u0442\u0435',
u'6_\u306b\u307d\u3093',
u'7_\u05d4\u05e9\u05e7\u05e6\u05e5\u05e1',
u'8_\u66e8\u66e9\u66eb',
u'9_\u66e8\u05e9\u3093\u0434\u0393\xdf',
# Specific code points: fn, NFC(fn) and NFKC(fn) all differents
u'10_\u1fee\u1ffd',
]
# Mac OS X decomposes Unicode names, using Normal Form D.
# http://developer.apple.com/mac/library/qa/qa2001/qa1173.html
# "However, most volume formats do not follow the exact specification for
# these normal forms. For example, HFS Plus uses a variant of Normal Form D
# in which U+2000 through U+2FFF, U+F900 through U+FAFF, and U+2F800 through
# U+2FAFF are not decomposed."
if sys.platform != 'darwin':
filenames.extend([
# Specific code points: NFC(fn), NFD(fn), NFKC(fn) and NFKD(fn) all differents
u'11_\u0385\u03d3\u03d4',
u'12_\u00a8\u0301\u03d2\u0301\u03d2\u0308', # == NFD(u'\u0385\u03d3\u03d4')
u'13_\u0020\u0308\u0301\u038e\u03ab', # == NFKC(u'\u0385\u03d3\u03d4')
u'14_\u1e9b\u1fc1\u1fcd\u1fce\u1fcf\u1fdd\u1fde\u1fdf\u1fed',
# Specific code points: fn, NFC(fn) and NFKC(fn) all differents
u'15_\u1fee\u1ffd\ufad1',
u'16_\u2000\u2000\u2000A',
u'17_\u2001\u2001\u2001A',
u'18_\u2003\u2003\u2003A', # == NFC(u'\u2001\u2001\u2001A')
u'19_\u0020\u0020\u0020A', # u'\u0020' == u' ' == NFKC(u'\u2000') ==
# NFKC(u'\u2001') == NFKC(u'\u2003')
])
# Is it Unicode-friendly?
if not os.path.supports_unicode_filenames:
fsencoding = sys.getfilesystemencoding() or sys.getdefaultencoding()
try:
for name in filenames:
name.encode(fsencoding)
except UnicodeEncodeError:
raise unittest.SkipTest("only NT+ and systems with "
"Unicode-friendly filesystem encoding")
# Destroy directory dirname and all files under it, to one level.
def deltree(dirname):
# Don't hide legitimate errors: if one of these suckers exists, it's
# an error if we can't remove it.
if os.path.exists(dirname):
# must pass unicode to os.listdir() so we get back unicode results.
for fname in os.listdir(unicode(dirname)):
os.unlink(os.path.join(dirname, fname))
os.rmdir(dirname)
class UnicodeFileTests(unittest.TestCase):
files = set(filenames)
normal_form = None
def setUp(self):
try:
os.mkdir(test_support.TESTFN)
except OSError:
pass
files = set()
for name in self.files:
name = os.path.join(test_support.TESTFN, self.norm(name))
with open(name, 'w') as f:
f.write((name+'\n').encode("utf-8"))
os.stat(name)
files.add(name)
self.files = files
def tearDown(self):
deltree(test_support.TESTFN)
def norm(self, s):
if self.normal_form and isinstance(s, unicode):
return normalize(self.normal_form, s)
return s
def _apply_failure(self, fn, filename, expected_exception,
check_fn_in_exception = True):
with self.assertRaises(expected_exception) as c:
fn(filename)
exc_filename = c.exception.filename
# the "filename" exception attribute may be encoded
if isinstance(exc_filename, str):
filename = filename.encode(sys.getfilesystemencoding())
if check_fn_in_exception:
self.assertEqual(exc_filename, filename, "Function '%s(%r) failed "
"with bad filename in the exception: %r" %
(fn.__name__, filename, exc_filename))
def test_failures(self):
# Pass non-existing Unicode filenames all over the place.
for name in self.files:
name = "not_" + name
self._apply_failure(open, name, IOError)
self._apply_failure(os.stat, name, OSError)
self._apply_failure(os.chdir, name, OSError)
self._apply_failure(os.rmdir, name, OSError)
self._apply_failure(os.remove, name, OSError)
# listdir may append a wildcard to the filename, so dont check
self._apply_failure(os.listdir, name, OSError, False)
def test_open(self):
for name in self.files:
f = open(name, 'w')
f.write((name+'\n').encode("utf-8"))
f.close()
os.stat(name)
# Skip the test on darwin, because darwin does normalize the filename to
# NFD (a variant of Unicode NFD form). Normalize the filename to NFC, NFKC,
# NFKD in Python is useless, because darwin will normalize it later and so
# open(), os.stat(), etc. don't raise any exception.
@unittest.skipIf(sys.platform == 'darwin', 'irrelevant test on Mac OS X')
def test_normalize(self):
files = set(f for f in self.files if isinstance(f, unicode))
others = set()
for nf in set(['NFC', 'NFD', 'NFKC', 'NFKD']):
others |= set(normalize(nf, file) for file in files)
others -= files
for name in others:
self._apply_failure(open, name, IOError)
self._apply_failure(os.stat, name, OSError)
self._apply_failure(os.chdir, name, OSError)
self._apply_failure(os.rmdir, name, OSError)
self._apply_failure(os.remove, name, OSError)
# listdir may append a wildcard to the filename, so dont check
self._apply_failure(os.listdir, name, OSError, False)
# Skip the test on darwin, because darwin uses a normalization different
# than Python NFD normalization: filenames are different even if we use
# Python NFD normalization.
@unittest.skipIf(sys.platform == 'darwin', 'irrelevant test on Mac OS X')
def test_listdir(self):
sf0 = set(self.files)
f1 = os.listdir(test_support.TESTFN)
f2 = os.listdir(unicode(test_support.TESTFN,
sys.getfilesystemencoding()))
sf2 = set(os.path.join(unicode(test_support.TESTFN), f) for f in f2)
self.assertEqual(sf0, sf2)
self.assertEqual(len(f1), len(f2))
def test_rename(self):
for name in self.files:
os.rename(name, "tmp")
os.rename("tmp", name)
def test_directory(self):
dirname = os.path.join(test_support.TESTFN,
u'Gr\xfc\xdf-\u66e8\u66e9\u66eb')
filename = u'\xdf-\u66e8\u66e9\u66eb'
oldwd = os.getcwd()
os.mkdir(dirname)
os.chdir(dirname)
try:
with open(filename, 'w') as f:
f.write((filename + '\n').encode("utf-8"))
os.access(filename,os.R_OK)
os.remove(filename)
finally:
os.chdir(oldwd)
os.rmdir(dirname)
class UnicodeNFCFileTests(UnicodeFileTests):
normal_form = 'NFC'
class UnicodeNFDFileTests(UnicodeFileTests):
normal_form = 'NFD'
class UnicodeNFKCFileTests(UnicodeFileTests):
normal_form = 'NFKC'
class UnicodeNFKDFileTests(UnicodeFileTests):
normal_form = 'NFKD'
def test_main():
try:
test_support.run_unittest(
UnicodeFileTests,
UnicodeNFCFileTests,
UnicodeNFDFileTests,
UnicodeNFKCFileTests,
UnicodeNFKDFileTests,
)
finally:
deltree(test_support.TESTFN)
if __name__ == "__main__":
test_main()