diff options
Diffstat (limited to 'Lib/test/test_pep277.py')
| -rw-r--r-- | Lib/test/test_pep277.py | 178 |
1 files changed, 136 insertions, 42 deletions
diff --git a/Lib/test/test_pep277.py b/Lib/test/test_pep277.py index 11039ac..6d891e5 100644 --- a/Lib/test/test_pep277.py +++ b/Lib/test/test_pep277.py @@ -1,22 +1,58 @@ # 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 support -if not os.path.supports_unicode_filenames: - raise unittest.SkipTest("test works only on NT+") filenames = [ - 'abc', - 'ascii', - 'Gr\xfc\xdf-Gott', - '\u0393\u03b5\u03b9\u03ac-\u03c3\u03b1\u03c2', - '\u0417\u0434\u0440\u0430\u0432\u0441\u0442\u0432\u0443\u0439\u0442\u0435', - '\u306b\u307d\u3093', - '\u05d4\u05e9\u05e7\u05e6\u05e5\u05e1', - '\u66e8\u66e9\u66eb', - '\u66e8\u05e9\u3093\u0434\u0393\xdf', + '1_abc', + '2_ascii', + '3_Gr\xfc\xdf-Gott', + '4_\u0393\u03b5\u03b9\u03ac-\u03c3\u03b1\u03c2', + '5_\u0417\u0434\u0440\u0430\u0432\u0441\u0442\u0432\u0443\u0439\u0442\u0435', + '6_\u306b\u307d\u3093', + '7_\u05d4\u05e9\u05e7\u05e6\u05e5\u05e1', + '8_\u66e8\u66e9\u66eb', + '9_\u66e8\u05e9\u3093\u0434\u0393\xdf', + # Specific code points: fn, NFC(fn) and NFKC(fn) all differents + '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 + '11_\u0385\u03d3\u03d4', + '12_\u00a8\u0301\u03d2\u0301\u03d2\u0308', # == NFD('\u0385\u03d3\u03d4') + '13_\u0020\u0308\u0301\u038e\u03ab', # == NFKC('\u0385\u03d3\u03d4') + '14_\u1e9b\u1fc1\u1fcd\u1fce\u1fcf\u1fdd\u1fde\u1fdf\u1fed', + + # Specific code points: fn, NFC(fn) and NFKC(fn) all differents + '15_\u1fee\u1ffd\ufad1', + '16_\u2000\u2000\u2000A', + '17_\u2001\u2001\u2001A', + '18_\u2003\u2003\u2003A', # == NFC('\u2001\u2001\u2001A') + '19_\u0020\u0020\u0020A', # '\u0020' == ' ' == NFKC('\u2000') == + # NFKC('\u2001') == NFKC('\u2003') +]) + + +# Is it Unicode-friendly? +if not os.path.supports_unicode_filenames: + fsencoding = sys.getfilesystemencoding() + 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 @@ -27,35 +63,45 @@ def deltree(dirname): os.unlink(os.path.join(dirname, fname)) os.rmdir(dirname) + class UnicodeFileTests(unittest.TestCase): - files = [os.path.join(support.TESTFN, f) for f in filenames] + files = set(filenames) + normal_form = None def setUp(self): try: os.mkdir(support.TESTFN) except OSError: pass + files = set() for name in self.files: - f = open(name, 'wb') - f.write((name+'\n').encode("utf-8")) - f.close() + name = os.path.join(support.TESTFN, self.norm(name)) + with open(name, 'wb') as f: + f.write((name+'\n').encode("utf-8")) os.stat(name) + files.add(name) + self.files = files def tearDown(self): deltree(support.TESTFN) + def norm(self, s): + if self.normal_form: + return normalize(self.normal_form, s) + return s + def _apply_failure(self, fn, filename, expected_exception, check_fn_in_exception = True): - try: + with self.assertRaises(expected_exception) as c: fn(filename) - raise support.TestFailed("Expected to fail calling '%s(%r)'" - % (fn.__name__, filename)) - except expected_exception as details: - if check_fn_in_exception and details.filename != filename: - raise support.TestFailed("Function '%s(%r) failed with " - "bad filename in the exception: %r" - % (fn.__name__, filename, - details.filename)) + exc_filename = c.exception.filename + # the "filename" exception attribute may be encoded + if isinstance(exc_filename, bytes): + filename = filename.encode(sys.getfilesystemencoding()) + if check_fn_in_exception: + self.assertEqual(exc_filename, filename, "Function '%s(%a) failed " + "with bad filename in the exception: %a" % + (fn.__name__, filename, exc_filename)) def test_failures(self): # Pass non-existing Unicode filenames all over the place. @@ -76,39 +122,87 @@ class UnicodeFileTests(unittest.TestCase): 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', 'irrevelant test on Mac OS X') + def test_normalize(self): + files = set(self.files) + 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', 'irrevelant test on Mac OS X') def test_listdir(self): - f1 = os.listdir(support.TESTFN) - f2 = os.listdir(str(support.TESTFN.encode("utf-8"), - sys.getfilesystemencoding())) - sf2 = set("\\".join((str(support.TESTFN), f)) - for f in f2) - self.assertEqual(len(f1), len(self.files)) - self.assertEqual(sf2, set(self.files)) + sf0 = set(self.files) + f1 = os.listdir(support.TESTFN.encode(sys.getfilesystemencoding())) + f2 = os.listdir(support.TESTFN) + sf2 = set(os.path.join(support.TESTFN, f) for f in f2) + self.assertEqual(sf0, sf2, "%a != %a" % (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) + os.rename(name, "tmp") + os.rename("tmp", name) def test_directory(self): - dirname = os.path.join(support.TESTFN,'Gr\xfc\xdf-\u66e8\u66e9\u66eb') + dirname = os.path.join(support.TESTFN, 'Gr\xfc\xdf-\u66e8\u66e9\u66eb') filename = '\xdf-\u66e8\u66e9\u66eb' oldwd = os.getcwd() os.mkdir(dirname) os.chdir(dirname) - f = open(filename, 'wb') - f.write((filename + '\n').encode("utf-8")) - f.close() - os.access(filename,os.R_OK) - os.remove(filename) - os.chdir(oldwd) - os.rmdir(dirname) + try: + with open(filename, 'wb') 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: - support.run_unittest(UnicodeFileTests) + support.run_unittest( + UnicodeFileTests, + UnicodeNFCFileTests, + UnicodeNFDFileTests, + UnicodeNFKCFileTests, + UnicodeNFKDFileTests, + ) finally: deltree(support.TESTFN) + if __name__ == "__main__": test_main() |