Initial commit of OpenSPARC T2 architecture model.
[OpenSPARC-T2-SAM] / sam-t2 / devtools / amd64 / lib / python2.4 / test / test_unicode_file.py
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1# Test some Unicode file name semantics
2# We dont test many operations on files other than
3# that their names can be used with Unicode characters.
4import os, glob, time, shutil
5import unicodedata
6
7import unittest
8from test.test_support import run_suite, TestSkipped, TESTFN_UNICODE
9from test.test_support import TESTFN_ENCODING, TESTFN_UNICODE_UNENCODEABLE
10try:
11 TESTFN_ENCODED = TESTFN_UNICODE.encode(TESTFN_ENCODING)
12except (UnicodeError, TypeError):
13 # Either the file system encoding is None, or the file name
14 # cannot be encoded in the file system encoding.
15 raise TestSkipped("No Unicode filesystem semantics on this platform.")
16
17if TESTFN_ENCODED.decode(TESTFN_ENCODING) != TESTFN_UNICODE:
18 # The file system encoding does not support Latin-1
19 # (which test_support assumes), so try the file system
20 # encoding instead.
21 import sys
22 try:
23 TESTFN_UNICODE = unicode("@test-\xe0\xf2", sys.getfilesystemencoding())
24 TESTFN_ENCODED = TESTFN_UNICODE.encode(TESTFN_ENCODING)
25 if '?' in TESTFN_ENCODED:
26 # MBCS will not report the error properly
27 raise UnicodeError, "mbcs encoding problem"
28 except (UnicodeError, TypeError):
29 raise TestSkipped("Cannot find a suiteable filename.")
30
31if TESTFN_ENCODED.decode(TESTFN_ENCODING) != TESTFN_UNICODE:
32 raise TestSkipped("Cannot find a suitable filename.")
33
34def remove_if_exists(filename):
35 if os.path.exists(filename):
36 os.unlink(filename)
37
38class TestUnicodeFiles(unittest.TestCase):
39 # The 'do_' functions are the actual tests. They generally assume the
40 # file already exists etc.
41
42 # Do all the tests we can given only a single filename. The file should
43 # exist.
44 def _do_single(self, filename):
45 self.failUnless(os.path.exists(filename))
46 self.failUnless(os.path.isfile(filename))
47 self.failUnless(os.access(filename, os.R_OK))
48 self.failUnless(os.path.exists(os.path.abspath(filename)))
49 self.failUnless(os.path.isfile(os.path.abspath(filename)))
50 self.failUnless(os.access(os.path.abspath(filename), os.R_OK))
51 os.chmod(filename, 0777)
52 os.utime(filename, None)
53 os.utime(filename, (time.time(), time.time()))
54 # Copy/rename etc tests using the same filename
55 self._do_copyish(filename, filename)
56 # Filename should appear in glob output
57 self.failUnless(
58 os.path.abspath(filename)==os.path.abspath(glob.glob(filename)[0]))
59 # basename should appear in listdir.
60 path, base = os.path.split(os.path.abspath(filename))
61 if isinstance(base, str):
62 base = base.decode(TESTFN_ENCODING)
63 file_list = os.listdir(path)
64 # listdir() with a unicode arg may or may not return Unicode
65 # objects, depending on the platform.
66 if file_list and isinstance(file_list[0], str):
67 file_list = [f.decode(TESTFN_ENCODING) for f in file_list]
68
69 # Normalize the unicode strings, as round-tripping the name via the OS
70 # may return a different (but equivalent) value.
71 base = unicodedata.normalize("NFD", base)
72 file_list = [unicodedata.normalize("NFD", f) for f in file_list]
73
74 self.failUnless(base in file_list)
75
76 # Do as many "equivalancy' tests as we can - ie, check that although we
77 # have different types for the filename, they refer to the same file.
78 def _do_equivilent(self, filename1, filename2):
79 # Note we only check "filename1 against filename2" - we don't bother
80 # checking "filename2 against 1", as we assume we are called again with
81 # the args reversed.
82 self.failUnless(type(filename1)!=type(filename2),
83 "No point checking equivalent filenames of the same type")
84 # stat and lstat should return the same results.
85 self.failUnlessEqual(os.stat(filename1),
86 os.stat(filename2))
87 self.failUnlessEqual(os.lstat(filename1),
88 os.lstat(filename2))
89 # Copy/rename etc tests using equivalent filename
90 self._do_copyish(filename1, filename2)
91
92 # Tests that copy, move, etc one file to another.
93 def _do_copyish(self, filename1, filename2):
94 # Should be able to rename the file using either name.
95 self.failUnless(os.path.isfile(filename1)) # must exist.
96 os.rename(filename1, filename2 + ".new")
97 self.failUnless(os.path.isfile(filename1+".new"))
98 os.rename(filename1 + ".new", filename2)
99 self.failUnless(os.path.isfile(filename2))
100
101 # Try using shutil on the filenames.
102 try:
103 filename1==filename2
104 except UnicodeDecodeError:
105 # these filenames can't be compared - shutil.copy tries to do
106 # just that. This is really a bug in 'shutil' - if one of shutil's
107 # 2 params are Unicode and the other isn't, it should coerce the
108 # string to Unicode with the filesystem encoding before comparison.
109 pass
110 else:
111 # filenames can be compared.
112 shutil.copy(filename1, filename2 + ".new")
113 os.unlink(filename1 + ".new") # remove using equiv name.
114 # And a couple of moves, one using each name.
115 shutil.move(filename1, filename2 + ".new")
116 self.failUnless(not os.path.exists(filename2))
117 shutil.move(filename1 + ".new", filename2)
118 self.failUnless(os.path.exists(filename1))
119 # Note - due to the implementation of shutil.move,
120 # it tries a rename first. This only fails on Windows when on
121 # different file systems - and this test can't ensure that.
122 # So we test the shutil.copy2 function, which is the thing most
123 # likely to fail.
124 shutil.copy2(filename1, filename2 + ".new")
125 os.unlink(filename1 + ".new")
126
127 def _do_directory(self, make_name, chdir_name, encoded):
128 cwd = os.getcwd()
129 if os.path.isdir(make_name):
130 os.rmdir(make_name)
131 os.mkdir(make_name)
132 try:
133 os.chdir(chdir_name)
134 try:
135 if not encoded:
136 cwd_result = os.getcwdu()
137 name_result = make_name
138 else:
139 cwd_result = os.getcwd().decode(TESTFN_ENCODING)
140 name_result = make_name.decode(TESTFN_ENCODING)
141
142 cwd_result = unicodedata.normalize("NFD", cwd_result)
143 name_result = unicodedata.normalize("NFD", name_result)
144
145 self.failUnlessEqual(os.path.basename(cwd_result),name_result)
146 finally:
147 os.chdir(cwd)
148 finally:
149 os.rmdir(make_name)
150
151 # The '_test' functions 'entry points with params' - ie, what the
152 # top-level 'test' functions would be if they could take params
153 def _test_single(self, filename):
154 remove_if_exists(filename)
155 f = file(filename, "w")
156 f.close()
157 try:
158 self._do_single(filename)
159 finally:
160 os.unlink(filename)
161 self.failUnless(not os.path.exists(filename))
162 # and again with os.open.
163 f = os.open(filename, os.O_CREAT)
164 os.close(f)
165 try:
166 self._do_single(filename)
167 finally:
168 os.unlink(filename)
169
170 def _test_equivalent(self, filename1, filename2):
171 remove_if_exists(filename1)
172 self.failUnless(not os.path.exists(filename2))
173 f = file(filename1, "w")
174 f.close()
175 try:
176 self._do_equivilent(filename1, filename2)
177 finally:
178 os.unlink(filename1)
179
180 # The 'test' functions are unittest entry points, and simply call our
181 # _test functions with each of the filename combinations we wish to test
182 def test_single_files(self):
183 self._test_single(TESTFN_ENCODED)
184 self._test_single(TESTFN_UNICODE)
185 if TESTFN_UNICODE_UNENCODEABLE is not None:
186 self._test_single(TESTFN_UNICODE_UNENCODEABLE)
187
188 def test_equivalent_files(self):
189 self._test_equivalent(TESTFN_ENCODED, TESTFN_UNICODE)
190 self._test_equivalent(TESTFN_UNICODE, TESTFN_ENCODED)
191
192 def test_directories(self):
193 # For all 'equivilent' combinations:
194 # Make dir with encoded, chdir with unicode, checkdir with encoded
195 # (or unicode/encoded/unicode, etc
196 ext = ".dir"
197 self._do_directory(TESTFN_ENCODED+ext, TESTFN_ENCODED+ext, True)
198 self._do_directory(TESTFN_ENCODED+ext, TESTFN_UNICODE+ext, True)
199 self._do_directory(TESTFN_UNICODE+ext, TESTFN_ENCODED+ext, False)
200 self._do_directory(TESTFN_UNICODE+ext, TESTFN_UNICODE+ext, False)
201 # Our directory name that can't use a non-unicode name.
202 if TESTFN_UNICODE_UNENCODEABLE is not None:
203 self._do_directory(TESTFN_UNICODE_UNENCODEABLE+ext,
204 TESTFN_UNICODE_UNENCODEABLE+ext,
205 False)
206
207def test_main():
208 suite = unittest.TestSuite()
209 suite.addTest(unittest.makeSuite(TestUnicodeFiles))
210 run_suite(suite)
211
212if __name__ == "__main__":
213 test_main()