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Use PEP-3151 exceptions for test_pep277.

This commit is contained in:
Florent Xicluna 2011-11-03 23:11:14 +01:00
parent 7581cef699
commit 65eb453d28
1 changed files with 22 additions and 20 deletions
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42
Lib/test/test_pep277.py
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@ -38,8 +38,8 @@ if sys.platform != 'darwin':
'17_\u2001\u2001\u2001A',
'18_\u2003\u2003\u2003A', # == NFC('\u2001\u2001\u2001A')
'19_\u0020\u0020\u0020A', # '\u0020' == ' ' == NFKC('\u2000') ==
# NFKC('\u2001') == NFKC('\u2003')
])
# NFKC('\u2001') == NFKC('\u2003')
])
# Is it Unicode-friendly?
@ -71,7 +71,7 @@ class UnicodeFileTests(unittest.TestCase):
def setUp(self):
try:
os.mkdir(support.TESTFN)
except OSError:
except FileExistsError:
pass
files = set()
for name in self.files:
@ -90,15 +90,16 @@ class UnicodeFileTests(unittest.TestCase):
return normalize(self.normal_form, s)
return s
def _apply_failure(self, fn, filename, expected_exception,
check_fn_in_exception = True):
def _apply_failure(self, fn, filename,
expected_exception=FileNotFoundError,
check_filename=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, bytes):
filename = filename.encode(sys.getfilesystemencoding())
if check_fn_in_exception:
if check_filename:
self.assertEqual(exc_filename, filename, "Function '%s(%a) failed "
"with bad filename in the exception: %a" %
(fn.__name__, filename, exc_filename))
@ -107,13 +108,13 @@ class UnicodeFileTests(unittest.TestCase):
# 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)
self._apply_failure(open, name)
self._apply_failure(os.stat, name)
self._apply_failure(os.chdir, name)
self._apply_failure(os.rmdir, name)
self._apply_failure(os.remove, name)
# listdir may append a wildcard to the filename, so dont check
self._apply_failure(os.listdir, name, OSError, False)
self._apply_failure(os.listdir, name, check_filename=False)
def test_open(self):
for name in self.files:
@ -121,12 +122,13 @@ class UnicodeFileTests(unittest.TestCase):
f.write((name+'\n').encode("utf-8"))
f.close()
os.stat(name)
self._apply_failure(os.listdir, name, NotADirectoryError)
# 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')
@unittest.skipIf(sys.platform == 'darwin', 'irrelevant test on Mac OS X')
def test_normalize(self):
files = set(self.files)
others = set()
@ -134,18 +136,18 @@ class UnicodeFileTests(unittest.TestCase):
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)
self._apply_failure(open, name)
self._apply_failure(os.stat, name)
self._apply_failure(os.chdir, name)
self._apply_failure(os.rmdir, name)
self._apply_failure(os.remove, name)
# listdir may append a wildcard to the filename, so dont check
self._apply_failure(os.listdir, name, OSError, False)
self._apply_failure(os.listdir, name, 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')
@unittest.skipIf(sys.platform == 'darwin', 'irrelevant test on Mac OS X')
def test_listdir(self):
sf0 = set(self.files)
f1 = os.listdir(support.TESTFN.encode(sys.getfilesystemencoding()))