mirror of
https://github.com/python/cpython.git
synced 2024-12-03 06:46:01 +08:00
169 lines
6.9 KiB
Python
169 lines
6.9 KiB
Python
# Test some Unicode file name semantics
|
|
# We dont test many operations on files other than
|
|
# that their names can be used with Unicode characters.
|
|
import os, glob, time, shutil
|
|
import unicodedata
|
|
|
|
import unittest
|
|
from test.support import run_unittest, TESTFN_UNICODE, rmtree
|
|
from test.support import TESTFN_ENCODING, TESTFN_UNICODE_UNENCODEABLE
|
|
try:
|
|
TESTFN_UNICODE.encode(TESTFN_ENCODING)
|
|
except (UnicodeError, TypeError):
|
|
# Either the file system encoding is None, or the file name
|
|
# cannot be encoded in the file system encoding.
|
|
raise unittest.SkipTest("No Unicode filesystem semantics on this platform.")
|
|
|
|
def remove_if_exists(filename):
|
|
if os.path.exists(filename):
|
|
os.unlink(filename)
|
|
|
|
class TestUnicodeFiles(unittest.TestCase):
|
|
# The 'do_' functions are the actual tests. They generally assume the
|
|
# file already exists etc.
|
|
|
|
# Do all the tests we can given only a single filename. The file should
|
|
# exist.
|
|
def _do_single(self, filename):
|
|
self.assertTrue(os.path.exists(filename))
|
|
self.assertTrue(os.path.isfile(filename))
|
|
self.assertTrue(os.access(filename, os.R_OK))
|
|
self.assertTrue(os.path.exists(os.path.abspath(filename)))
|
|
self.assertTrue(os.path.isfile(os.path.abspath(filename)))
|
|
self.assertTrue(os.access(os.path.abspath(filename), os.R_OK))
|
|
os.chmod(filename, 0o777)
|
|
os.utime(filename, None)
|
|
os.utime(filename, (time.time(), time.time()))
|
|
# Copy/rename etc tests using the same filename
|
|
self._do_copyish(filename, filename)
|
|
# Filename should appear in glob output
|
|
self.assertTrue(
|
|
os.path.abspath(filename)==os.path.abspath(glob.glob(filename)[0]))
|
|
# basename should appear in listdir.
|
|
path, base = os.path.split(os.path.abspath(filename))
|
|
file_list = os.listdir(path)
|
|
# Normalize the unicode strings, as round-tripping the name via the OS
|
|
# may return a different (but equivalent) value.
|
|
base = unicodedata.normalize("NFD", base)
|
|
file_list = [unicodedata.normalize("NFD", f) for f in file_list]
|
|
|
|
self.assertIn(base, file_list)
|
|
|
|
# Do as many "equivalancy' tests as we can - ie, check that although we
|
|
# have different types for the filename, they refer to the same file.
|
|
def _do_equivalent(self, filename1, filename2):
|
|
# Note we only check "filename1 against filename2" - we don't bother
|
|
# checking "filename2 against 1", as we assume we are called again with
|
|
# the args reversed.
|
|
self.assertTrue(type(filename1)!=type(filename2),
|
|
"No point checking equivalent filenames of the same type")
|
|
# stat and lstat should return the same results.
|
|
self.assertEqual(os.stat(filename1),
|
|
os.stat(filename2))
|
|
self.assertEqual(os.lstat(filename1),
|
|
os.lstat(filename2))
|
|
# Copy/rename etc tests using equivalent filename
|
|
self._do_copyish(filename1, filename2)
|
|
|
|
# Tests that copy, move, etc one file to another.
|
|
def _do_copyish(self, filename1, filename2):
|
|
# Should be able to rename the file using either name.
|
|
self.assertTrue(os.path.isfile(filename1)) # must exist.
|
|
os.rename(filename1, filename2 + ".new")
|
|
self.assertTrue(os.path.isfile(filename1+".new"))
|
|
os.rename(filename1 + ".new", filename2)
|
|
self.assertTrue(os.path.isfile(filename2))
|
|
|
|
shutil.copy(filename1, filename2 + ".new")
|
|
os.unlink(filename1 + ".new") # remove using equiv name.
|
|
# And a couple of moves, one using each name.
|
|
shutil.move(filename1, filename2 + ".new")
|
|
self.assertTrue(not os.path.exists(filename2))
|
|
shutil.move(filename1 + ".new", filename2)
|
|
self.assertTrue(os.path.exists(filename1))
|
|
# Note - due to the implementation of shutil.move,
|
|
# it tries a rename first. This only fails on Windows when on
|
|
# different file systems - and this test can't ensure that.
|
|
# So we test the shutil.copy2 function, which is the thing most
|
|
# likely to fail.
|
|
shutil.copy2(filename1, filename2 + ".new")
|
|
os.unlink(filename1 + ".new")
|
|
|
|
def _do_directory(self, make_name, chdir_name, encoded):
|
|
cwd = os.getcwdb()
|
|
if os.path.isdir(make_name):
|
|
rmtree(make_name)
|
|
os.mkdir(make_name)
|
|
try:
|
|
os.chdir(chdir_name)
|
|
try:
|
|
if not encoded:
|
|
cwd_result = os.getcwd()
|
|
name_result = make_name
|
|
else:
|
|
cwd_result = os.getcwdb().decode(TESTFN_ENCODING)
|
|
name_result = make_name.decode(TESTFN_ENCODING)
|
|
|
|
cwd_result = unicodedata.normalize("NFD", cwd_result)
|
|
name_result = unicodedata.normalize("NFD", name_result)
|
|
|
|
self.assertEqual(os.path.basename(cwd_result),name_result)
|
|
finally:
|
|
os.chdir(cwd)
|
|
finally:
|
|
os.rmdir(make_name)
|
|
|
|
# The '_test' functions 'entry points with params' - ie, what the
|
|
# top-level 'test' functions would be if they could take params
|
|
def _test_single(self, filename):
|
|
remove_if_exists(filename)
|
|
f = open(filename, "w")
|
|
f.close()
|
|
try:
|
|
self._do_single(filename)
|
|
finally:
|
|
os.unlink(filename)
|
|
self.assertTrue(not os.path.exists(filename))
|
|
# and again with os.open.
|
|
f = os.open(filename, os.O_CREAT)
|
|
os.close(f)
|
|
try:
|
|
self._do_single(filename)
|
|
finally:
|
|
os.unlink(filename)
|
|
|
|
def _test_equivalent(self, filename1, filename2):
|
|
remove_if_exists(filename1)
|
|
self.assertTrue(not os.path.exists(filename2))
|
|
f = file(filename1, "w")
|
|
f.close()
|
|
try:
|
|
self._do_equivalent(filename1, filename2)
|
|
finally:
|
|
os.unlink(filename1)
|
|
|
|
# The 'test' functions are unittest entry points, and simply call our
|
|
# _test functions with each of the filename combinations we wish to test
|
|
def test_single_files(self):
|
|
self._test_single(TESTFN_UNICODE)
|
|
if TESTFN_UNICODE_UNENCODEABLE is not None:
|
|
self._test_single(TESTFN_UNICODE_UNENCODEABLE)
|
|
|
|
def test_directories(self):
|
|
# For all 'equivalent' combinations:
|
|
# Make dir with encoded, chdir with unicode, checkdir with encoded
|
|
# (or unicode/encoded/unicode, etc
|
|
ext = ".dir"
|
|
self._do_directory(TESTFN_UNICODE+ext, TESTFN_UNICODE+ext, False)
|
|
# Our directory name that can't use a non-unicode name.
|
|
if TESTFN_UNICODE_UNENCODEABLE is not None:
|
|
self._do_directory(TESTFN_UNICODE_UNENCODEABLE+ext,
|
|
TESTFN_UNICODE_UNENCODEABLE+ext,
|
|
False)
|
|
|
|
def test_main():
|
|
run_unittest(__name__)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|