1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
# 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, rmtree,
TESTFN_ENCODING, TESTFN_UNICODE, TESTFN_UNENCODABLE, create_empty_file)
if not os.path.supports_unicode_filenames:
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)
# 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.assertFalse(os.path.isfile(filename2))
self.assertTrue(os.path.isfile(filename1 + '.new'))
os.rename(filename1 + ".new", filename2)
self.assertFalse(os.path.isfile(filename1 + '.new'))
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.assertFalse(os.path.exists(filename2))
self.assertTrue(os.path.exists(filename1 + '.new'))
shutil.move(filename1 + ".new", filename2)
self.assertFalse(os.path.exists(filename2 + '.new'))
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")
self.assertTrue(os.path.isfile(filename1 + '.new'))
os.unlink(filename1 + ".new")
self.assertFalse(os.path.exists(filename2 + '.new'))
def _do_directory(self, make_name, chdir_name):
cwd = os.getcwd()
if os.path.isdir(make_name):
rmtree(make_name)
os.mkdir(make_name)
try:
os.chdir(chdir_name)
try:
cwd_result = os.getcwd()
name_result = make_name
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)
create_empty_file(filename)
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)
# 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_UNENCODABLE is not None:
self._test_single(TESTFN_UNENCODABLE)
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)
# Our directory name that can't use a non-unicode name.
if TESTFN_UNENCODABLE is not None:
self._do_directory(TESTFN_UNENCODABLE+ext,
TESTFN_UNENCODABLE+ext)
def test_main():
run_unittest(__name__)
if __name__ == "__main__":
test_main()
|
