211 lines
7.5 KiB
Python
211 lines
7.5 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 sys, os, unittest
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from unicodedata import normalize
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from test import test_support
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filenames = [
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'abc',
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u'ascii',
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u'Gr\xfc\xdf-Gott',
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u'\u0393\u03b5\u03b9\u03ac-\u03c3\u03b1\u03c2',
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u'\u0417\u0434\u0440\u0430\u0432\u0441\u0442\u0432\u0443\u0439\u0442\u0435',
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u'\u306b\u307d\u3093',
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u'\u05d4\u05e9\u05e7\u05e6\u05e5\u05e1',
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u'\u66e8\u66e9\u66eb',
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u'\u66e8\u05e9\u3093\u0434\u0393\xdf',
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# Specific code points: fn, NFC(fn) and NFKC(fn) all differents
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u'\u1fee\u1ffd',
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# Specific code points: NFC(fn), NFD(fn), NFKC(fn) and NFKD(fn) all differents
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u'\u0385\u03d3\u03d4',
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u'\u00a8\u0301\u03d2\u0301\u03d2\u0308', # == NFD(u'\u0385\u03d3\u03d4')
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u'\u0020\u0308\u0301\u038e\u03ab', # == NFKC(u'\u0385\u03d3\u03d4')
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u'\u1e9b\u1fc1\u1fcd\u1fce\u1fcf\u1fdd\u1fde\u1fdf\u1fed',
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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: fn, NFC(fn) and NFKC(fn) all differents
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u'\u1fee\u1ffd\ufad1',
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u'\u2000\u2000\u2000A',
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u'\u2001\u2001\u2001A',
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u'\u2003\u2003\u2003A', # == NFC(u'\u2001\u2001\u2001A')
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u'\u0020\u0020\u0020A', # u'\u0020' == u' ' == NFKC(u'\u2000') ==
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# NFKC(u'\u2001') == NFKC(u'\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() or sys.getdefaultencoding()
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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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# Destroy directory dirname and all files under it, to one level.
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def deltree(dirname):
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# Don't hide legitimate errors: if one of these suckers exists, it's
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# an error if we can't remove it.
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if os.path.exists(dirname):
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# must pass unicode to os.listdir() so we get back unicode results.
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for fname in os.listdir(unicode(dirname)):
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os.unlink(os.path.join(dirname, fname))
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os.rmdir(dirname)
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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(test_support.TESTFN)
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except OSError:
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pass
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files = set()
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for name in self.files:
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name = os.path.join(test_support.TESTFN, self.norm(name))
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with open(name, 'w') 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 tearDown(self):
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deltree(test_support.TESTFN)
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def norm(self, s):
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if self.normal_form and isinstance(s, unicode):
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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, expected_exception,
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check_fn_in_exception = 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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# the "filename" exception attribute may be encoded
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if isinstance(exc_filename, str):
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filename = filename.encode(sys.getfilesystemencoding())
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if check_fn_in_exception:
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self.assertEqual(exc_filename, filename, "Function '%s(%r) failed "
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"with bad filename in the exception: %r" %
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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, IOError)
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self._apply_failure(os.stat, name, OSError)
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self._apply_failure(os.chdir, name, OSError)
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self._apply_failure(os.rmdir, name, OSError)
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self._apply_failure(os.remove, name, OSError)
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# listdir may append a wildcard to the filename, so dont check
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self._apply_failure(os.listdir, name, OSError, False)
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def test_open(self):
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for name in self.files:
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f = open(name, 'w')
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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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def test_normalize(self):
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files = set(f for f in self.files if isinstance(f, unicode))
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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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if sys.platform == 'darwin':
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files = set(normalize('NFD', file) for file in files)
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for name in others:
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if sys.platform == 'darwin' and normalize('NFD', name) in files:
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# Mac OS X decomposes Unicode names. See comment above.
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os.stat(name)
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continue
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self._apply_failure(open, name, IOError)
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self._apply_failure(os.stat, name, OSError)
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self._apply_failure(os.chdir, name, OSError)
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self._apply_failure(os.rmdir, name, OSError)
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self._apply_failure(os.remove, name, OSError)
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# listdir may append a wildcard to the filename, so dont check
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self._apply_failure(os.listdir, name, OSError, False)
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def test_listdir(self):
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sf0 = set(self.files)
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f1 = os.listdir(test_support.TESTFN)
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f2 = os.listdir(unicode(test_support.TESTFN,
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sys.getfilesystemencoding()))
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if sys.platform == 'darwin':
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# Mac OS X decomposes Unicode names. See comment above.
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sf0 = set(normalize('NFD', unicode(f)) for f in self.files)
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f2 = [normalize('NFD', unicode(f)) for f in f2]
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sf2 = set(os.path.join(unicode(test_support.TESTFN), f) for f in f2)
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self.assertEqual(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(test_support.TESTFN,
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u'Gr\xfc\xdf-\u66e8\u66e9\u66eb')
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filename = u'\xdf-\u66e8\u66e9\u66eb'
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oldwd = os.getcwd()
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os.mkdir(dirname)
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os.chdir(dirname)
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try:
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with open(filename, 'w') 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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finally:
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os.chdir(oldwd)
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os.rmdir(dirname)
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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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def test_main():
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try:
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test_support.run_unittest(
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UnicodeFileTests,
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UnicodeNFCFileTests,
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UnicodeNFDFileTests,
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UnicodeNFKCFileTests,
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UnicodeNFKDFileTests,
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)
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finally:
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deltree(test_support.TESTFN)
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if __name__ == "__main__":
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test_main()
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