diff options
Diffstat (limited to 'lib-python/2.7/test/test_pep277.py')
-rw-r--r-- | lib-python/2.7/test/test_pep277.py | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/lib-python/2.7/test/test_pep277.py b/lib-python/2.7/test/test_pep277.py new file mode 100644 index 0000000000..b09329d63e --- /dev/null +++ b/lib-python/2.7/test/test_pep277.py @@ -0,0 +1,210 @@ +# 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 = [ + 'abc', + u'ascii', + u'Gr\xfc\xdf-Gott', + u'\u0393\u03b5\u03b9\u03ac-\u03c3\u03b1\u03c2', + u'\u0417\u0434\u0440\u0430\u0432\u0441\u0442\u0432\u0443\u0439\u0442\u0435', + u'\u306b\u307d\u3093', + u'\u05d4\u05e9\u05e7\u05e6\u05e5\u05e1', + u'\u66e8\u66e9\u66eb', + u'\u66e8\u05e9\u3093\u0434\u0393\xdf', + # Specific code points: fn, NFC(fn) and NFKC(fn) all differents + u'\u1fee\u1ffd', + # Specific code points: NFC(fn), NFD(fn), NFKC(fn) and NFKD(fn) all differents + u'\u0385\u03d3\u03d4', + u'\u00a8\u0301\u03d2\u0301\u03d2\u0308', # == NFD(u'\u0385\u03d3\u03d4') + u'\u0020\u0308\u0301\u038e\u03ab', # == NFKC(u'\u0385\u03d3\u03d4') + u'\u1e9b\u1fc1\u1fcd\u1fce\u1fcf\u1fdd\u1fde\u1fdf\u1fed', + ] + +# 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: fn, NFC(fn) and NFKC(fn) all differents + u'\u1fee\u1ffd\ufad1', + u'\u2000\u2000\u2000A', + u'\u2001\u2001\u2001A', + u'\u2003\u2003\u2003A', # == NFC(u'\u2001\u2001\u2001A') + u'\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) + + 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 + if sys.platform == 'darwin': + files = set(normalize('NFD', file) for file in files) + for name in others: + if sys.platform == 'darwin' and normalize('NFD', name) in files: + # Mac OS X decomposes Unicode names. See comment above. + os.stat(name) + continue + 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_listdir(self): + sf0 = set(self.files) + f1 = os.listdir(test_support.TESTFN) + f2 = os.listdir(unicode(test_support.TESTFN, + sys.getfilesystemencoding())) + if sys.platform == 'darwin': + # Mac OS X decomposes Unicode names. See comment above. + sf0 = set(normalize('NFD', unicode(f)) for f in self.files) + f2 = [normalize('NFD', unicode(f)) for f in f2] + 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() |