mirror of https://github.com/python/cpython
189 lines
6.7 KiB
Python
189 lines
6.7 KiB
Python
# Test the Unicode versions of normal file functions
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# open, os.open, os.stat. os.listdir, os.rename, os.remove, os.mkdir, os.chdir, os.rmdir
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import os
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import sys
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import unittest
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import warnings
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from unicodedata import normalize
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from test.support import os_helper
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filenames = [
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'1_abc',
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'2_ascii',
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'3_Gr\xfc\xdf-Gott',
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'4_\u0393\u03b5\u03b9\u03ac-\u03c3\u03b1\u03c2',
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'5_\u0417\u0434\u0440\u0430\u0432\u0441\u0442\u0432\u0443\u0439\u0442\u0435',
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'6_\u306b\u307d\u3093',
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'7_\u05d4\u05e9\u05e7\u05e6\u05e5\u05e1',
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'8_\u66e8\u66e9\u66eb',
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'9_\u66e8\u05e9\u3093\u0434\u0393\xdf',
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# Specific code points: fn, NFC(fn) and NFKC(fn) all different
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'10_\u1fee\u1ffd',
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]
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# Mac OS X decomposes Unicode names, using Normal Form D.
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# http://developer.apple.com/mac/library/qa/qa2001/qa1173.html
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# "However, most volume formats do not follow the exact specification for
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# these normal forms. For example, HFS Plus uses a variant of Normal Form D
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# in which U+2000 through U+2FFF, U+F900 through U+FAFF, and U+2F800 through
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# U+2FAFF are not decomposed."
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if sys.platform != 'darwin':
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filenames.extend([
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# Specific code points: NFC(fn), NFD(fn), NFKC(fn) and NFKD(fn) all different
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'11_\u0385\u03d3\u03d4',
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'12_\u00a8\u0301\u03d2\u0301\u03d2\u0308', # == NFD('\u0385\u03d3\u03d4')
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'13_\u0020\u0308\u0301\u038e\u03ab', # == NFKC('\u0385\u03d3\u03d4')
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'14_\u1e9b\u1fc1\u1fcd\u1fce\u1fcf\u1fdd\u1fde\u1fdf\u1fed',
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# Specific code points: fn, NFC(fn) and NFKC(fn) all different
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'15_\u1fee\u1ffd\ufad1',
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'16_\u2000\u2000\u2000A',
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'17_\u2001\u2001\u2001A',
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'18_\u2003\u2003\u2003A', # == NFC('\u2001\u2001\u2001A')
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'19_\u0020\u0020\u0020A', # '\u0020' == ' ' == NFKC('\u2000') ==
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# NFKC('\u2001') == NFKC('\u2003')
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])
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# Is it Unicode-friendly?
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if not os.path.supports_unicode_filenames:
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fsencoding = sys.getfilesystemencoding()
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try:
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for name in filenames:
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name.encode(fsencoding)
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except UnicodeEncodeError:
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raise unittest.SkipTest("only NT+ and systems with "
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"Unicode-friendly filesystem encoding")
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class UnicodeFileTests(unittest.TestCase):
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files = set(filenames)
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normal_form = None
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def setUp(self):
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try:
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os.mkdir(os_helper.TESTFN)
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except FileExistsError:
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pass
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self.addCleanup(os_helper.rmtree, os_helper.TESTFN)
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files = set()
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for name in self.files:
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name = os.path.join(os_helper.TESTFN, self.norm(name))
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with open(name, 'wb') as f:
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f.write((name+'\n').encode("utf-8"))
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os.stat(name)
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files.add(name)
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self.files = files
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def norm(self, s):
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if self.normal_form:
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return normalize(self.normal_form, s)
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return s
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def _apply_failure(self, fn, filename,
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expected_exception=FileNotFoundError,
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check_filename=True):
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with self.assertRaises(expected_exception) as c:
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fn(filename)
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exc_filename = c.exception.filename
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if check_filename:
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self.assertEqual(exc_filename, filename, "Function '%s(%a) failed "
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"with bad filename in the exception: %a" %
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(fn.__name__, filename, exc_filename))
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def test_failures(self):
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# Pass non-existing Unicode filenames all over the place.
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for name in self.files:
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name = "not_" + name
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self._apply_failure(open, name)
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self._apply_failure(os.stat, name)
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self._apply_failure(os.chdir, name)
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self._apply_failure(os.rmdir, name)
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self._apply_failure(os.remove, name)
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self._apply_failure(os.listdir, name)
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if sys.platform == 'win32':
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# Windows is lunatic. Issue #13366.
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_listdir_failure = NotADirectoryError, FileNotFoundError
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else:
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_listdir_failure = NotADirectoryError
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def test_open(self):
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for name in self.files:
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f = open(name, 'wb')
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f.write((name+'\n').encode("utf-8"))
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f.close()
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os.stat(name)
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self._apply_failure(os.listdir, name, self._listdir_failure)
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# Skip the test on darwin, because darwin does normalize the filename to
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# NFD (a variant of Unicode NFD form). Normalize the filename to NFC, NFKC,
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# NFKD in Python is useless, because darwin will normalize it later and so
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# open(), os.stat(), etc. don't raise any exception.
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@unittest.skipIf(sys.platform == 'darwin', 'irrelevant test on Mac OS X')
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def test_normalize(self):
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files = set(self.files)
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others = set()
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for nf in set(['NFC', 'NFD', 'NFKC', 'NFKD']):
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others |= set(normalize(nf, file) for file in files)
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others -= files
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for name in others:
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self._apply_failure(open, name)
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self._apply_failure(os.stat, name)
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self._apply_failure(os.chdir, name)
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self._apply_failure(os.rmdir, name)
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self._apply_failure(os.remove, name)
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self._apply_failure(os.listdir, name)
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# Skip the test on darwin, because darwin uses a normalization different
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# than Python NFD normalization: filenames are different even if we use
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# Python NFD normalization.
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@unittest.skipIf(sys.platform == 'darwin', 'irrelevant test on Mac OS X')
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def test_listdir(self):
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sf0 = set(self.files)
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with warnings.catch_warnings():
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warnings.simplefilter("ignore", DeprecationWarning)
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f1 = os.listdir(os_helper.TESTFN.encode(
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sys.getfilesystemencoding()))
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f2 = os.listdir(os_helper.TESTFN)
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sf2 = set(os.path.join(os_helper.TESTFN, f) for f in f2)
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self.assertEqual(sf0, sf2, "%a != %a" % (sf0, sf2))
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self.assertEqual(len(f1), len(f2))
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def test_rename(self):
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for name in self.files:
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os.rename(name, "tmp")
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os.rename("tmp", name)
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def test_directory(self):
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dirname = os.path.join(os_helper.TESTFN,
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'Gr\xfc\xdf-\u66e8\u66e9\u66eb')
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filename = '\xdf-\u66e8\u66e9\u66eb'
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with os_helper.temp_cwd(dirname):
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with open(filename, 'wb') as f:
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f.write((filename + '\n').encode("utf-8"))
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os.access(filename,os.R_OK)
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os.remove(filename)
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class UnicodeNFCFileTests(UnicodeFileTests):
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normal_form = 'NFC'
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class UnicodeNFDFileTests(UnicodeFileTests):
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normal_form = 'NFD'
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class UnicodeNFKCFileTests(UnicodeFileTests):
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normal_form = 'NFKC'
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class UnicodeNFKDFileTests(UnicodeFileTests):
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normal_form = 'NFKD'
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if __name__ == "__main__":
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unittest.main()
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