Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 1 | # tempfile.py unit tests. |
Tim Peters | c57a285 | 2001-10-29 21:46:08 +0000 | [diff] [blame] | 2 | |
| 3 | import tempfile |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 4 | import os |
| 5 | import sys |
| 6 | import re |
| 7 | import errno |
| 8 | import warnings |
Tim Peters | c57a285 | 2001-10-29 21:46:08 +0000 | [diff] [blame] | 9 | |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 10 | import unittest |
| 11 | from test import test_support |
| 12 | |
| 13 | if hasattr(os, 'stat'): |
| 14 | import stat |
| 15 | has_stat = 1 |
| 16 | else: |
| 17 | has_stat = 0 |
| 18 | |
| 19 | has_textmode = (tempfile._text_openflags != tempfile._bin_openflags) |
Guido van Rossum | 7874106 | 2002-08-17 11:41:01 +0000 | [diff] [blame] | 20 | has_spawnl = hasattr(os, 'spawnl') |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 21 | |
Neal Norwitz | 68ee012 | 2002-08-16 19:28:59 +0000 | [diff] [blame] | 22 | # TEST_FILES may need to be tweaked for systems depending on the maximum |
| 23 | # number of files that can be opened at one time (see ulimit -n) |
| 24 | TEST_FILES = 100 |
| 25 | |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 26 | # This is organized as one test for each chunk of code in tempfile.py, |
| 27 | # in order of their appearance in the file. Testing which requires |
| 28 | # threads is not done here. |
| 29 | |
| 30 | # Common functionality. |
| 31 | class TC(unittest.TestCase): |
| 32 | |
| 33 | str_check = re.compile(r"[a-zA-Z0-9_-]{6}$") |
| 34 | |
| 35 | def failOnException(self, what, ei=None): |
| 36 | if ei is None: |
| 37 | ei = sys.exc_info() |
| 38 | self.fail("%s raised %s: %s" % (what, ei[0], ei[1])) |
| 39 | |
| 40 | def nameCheck(self, name, dir, pre, suf): |
| 41 | (ndir, nbase) = os.path.split(name) |
| 42 | npre = nbase[:len(pre)] |
| 43 | nsuf = nbase[len(nbase)-len(suf):] |
| 44 | |
| 45 | self.assertEqual(ndir, dir, |
| 46 | "file '%s' not in directory '%s'" % (name, dir)) |
| 47 | self.assertEqual(npre, pre, |
| 48 | "file '%s' does not begin with '%s'" % (nbase, pre)) |
| 49 | self.assertEqual(nsuf, suf, |
| 50 | "file '%s' does not end with '%s'" % (nbase, suf)) |
| 51 | |
| 52 | nbase = nbase[len(pre):len(nbase)-len(suf)] |
| 53 | self.assert_(self.str_check.match(nbase), |
| 54 | "random string '%s' does not match /^[a-zA-Z0-9_-]{6}$/" |
| 55 | % nbase) |
| 56 | |
| 57 | test_classes = [] |
| 58 | |
| 59 | class test_exports(TC): |
| 60 | def test_exports(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 61 | # There are no surprising symbols in the tempfile module |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 62 | dict = tempfile.__dict__ |
| 63 | |
| 64 | expected = { |
| 65 | "NamedTemporaryFile" : 1, |
| 66 | "TemporaryFile" : 1, |
| 67 | "mkstemp" : 1, |
| 68 | "mkdtemp" : 1, |
| 69 | "mktemp" : 1, |
| 70 | "TMP_MAX" : 1, |
| 71 | "gettempprefix" : 1, |
| 72 | "gettempdir" : 1, |
| 73 | "tempdir" : 1, |
| 74 | "template" : 1 |
| 75 | } |
| 76 | |
| 77 | unexp = [] |
| 78 | for key in dict: |
| 79 | if key[0] != '_' and key not in expected: |
| 80 | unexp.append(key) |
| 81 | self.failUnless(len(unexp) == 0, |
| 82 | "unexpected keys: %s" % unexp) |
| 83 | |
| 84 | test_classes.append(test_exports) |
| 85 | |
| 86 | |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 87 | class test__RandomNameSequence(TC): |
| 88 | """Test the internal iterator object _RandomNameSequence.""" |
| 89 | |
| 90 | def setUp(self): |
| 91 | self.r = tempfile._RandomNameSequence() |
| 92 | |
| 93 | def test_get_six_char_str(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 94 | # _RandomNameSequence returns a six-character string |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 95 | s = self.r.next() |
| 96 | self.nameCheck(s, '', '', '') |
| 97 | |
| 98 | def test_many(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 99 | # _RandomNameSequence returns no duplicate strings (stochastic) |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 100 | |
| 101 | dict = {} |
| 102 | r = self.r |
Neal Norwitz | 68ee012 | 2002-08-16 19:28:59 +0000 | [diff] [blame] | 103 | for i in xrange(TEST_FILES): |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 104 | s = r.next() |
| 105 | self.nameCheck(s, '', '', '') |
| 106 | self.failIf(s in dict) |
| 107 | dict[s] = 1 |
| 108 | |
| 109 | def test_supports_iter(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 110 | # _RandomNameSequence supports the iterator protocol |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 111 | |
| 112 | i = 0 |
| 113 | r = self.r |
| 114 | try: |
| 115 | for s in r: |
| 116 | i += 1 |
| 117 | if i == 20: |
| 118 | break |
| 119 | except: |
| 120 | failOnException("iteration") |
| 121 | |
| 122 | test_classes.append(test__RandomNameSequence) |
| 123 | |
| 124 | |
| 125 | class test__candidate_tempdir_list(TC): |
| 126 | """Test the internal function _candidate_tempdir_list.""" |
| 127 | |
| 128 | def test_nonempty_list(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 129 | # _candidate_tempdir_list returns a nonempty list of strings |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 130 | |
| 131 | cand = tempfile._candidate_tempdir_list() |
| 132 | |
| 133 | self.failIf(len(cand) == 0) |
| 134 | for c in cand: |
| 135 | self.assert_(isinstance(c, basestring), |
| 136 | "%s is not a string" % c) |
| 137 | |
| 138 | def test_wanted_dirs(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 139 | # _candidate_tempdir_list contains the expected directories |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 140 | |
| 141 | # Make sure the interesting environment variables are all set. |
| 142 | added = [] |
| 143 | try: |
| 144 | for envname in 'TMPDIR', 'TEMP', 'TMP': |
| 145 | dirname = os.getenv(envname) |
| 146 | if not dirname: |
| 147 | os.environ[envname] = os.path.abspath(envname) |
| 148 | added.append(envname) |
| 149 | |
| 150 | cand = tempfile._candidate_tempdir_list() |
| 151 | |
| 152 | for envname in 'TMPDIR', 'TEMP', 'TMP': |
| 153 | dirname = os.getenv(envname) |
| 154 | if not dirname: raise ValueError |
| 155 | self.assert_(dirname in cand) |
| 156 | |
| 157 | try: |
| 158 | dirname = os.getcwd() |
| 159 | except (AttributeError, os.error): |
| 160 | dirname = os.curdir |
| 161 | |
| 162 | self.assert_(dirname in cand) |
| 163 | |
| 164 | # Not practical to try to verify the presence of OS-specific |
| 165 | # paths in this list. |
| 166 | finally: |
| 167 | for p in added: |
| 168 | del os.environ[p] |
| 169 | |
| 170 | test_classes.append(test__candidate_tempdir_list) |
| 171 | |
| 172 | |
| 173 | # We test _get_default_tempdir by testing gettempdir. |
| 174 | |
| 175 | |
| 176 | class test__get_candidate_names(TC): |
| 177 | """Test the internal function _get_candidate_names.""" |
| 178 | |
| 179 | def test_retval(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 180 | # _get_candidate_names returns a _RandomNameSequence object |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 181 | obj = tempfile._get_candidate_names() |
| 182 | self.assert_(isinstance(obj, tempfile._RandomNameSequence)) |
| 183 | |
| 184 | def test_same_thing(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 185 | # _get_candidate_names always returns the same object |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 186 | a = tempfile._get_candidate_names() |
| 187 | b = tempfile._get_candidate_names() |
| 188 | |
| 189 | self.assert_(a is b) |
| 190 | |
| 191 | test_classes.append(test__get_candidate_names) |
| 192 | |
| 193 | |
| 194 | class test__mkstemp_inner(TC): |
| 195 | """Test the internal function _mkstemp_inner.""" |
| 196 | |
| 197 | class mkstemped: |
| 198 | _bflags = tempfile._bin_openflags |
| 199 | _tflags = tempfile._text_openflags |
| 200 | _close = os.close |
| 201 | _unlink = os.unlink |
| 202 | |
| 203 | def __init__(self, dir, pre, suf, bin): |
| 204 | if bin: flags = self._bflags |
| 205 | else: flags = self._tflags |
| 206 | |
| 207 | (self.fd, self.name) = tempfile._mkstemp_inner(dir, pre, suf, flags) |
| 208 | |
| 209 | def write(self, str): |
| 210 | os.write(self.fd, str) |
| 211 | |
| 212 | def __del__(self): |
| 213 | self._close(self.fd) |
| 214 | self._unlink(self.name) |
Tim Peters | a0d55de | 2002-08-09 18:01:01 +0000 | [diff] [blame] | 215 | |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 216 | def do_create(self, dir=None, pre="", suf="", bin=1): |
| 217 | if dir is None: |
| 218 | dir = tempfile.gettempdir() |
| 219 | try: |
| 220 | file = self.mkstemped(dir, pre, suf, bin) |
| 221 | except: |
| 222 | self.failOnException("_mkstemp_inner") |
| 223 | |
| 224 | self.nameCheck(file.name, dir, pre, suf) |
| 225 | return file |
| 226 | |
| 227 | def test_basic(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 228 | # _mkstemp_inner can create files |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 229 | self.do_create().write("blat") |
| 230 | self.do_create(pre="a").write("blat") |
| 231 | self.do_create(suf="b").write("blat") |
| 232 | self.do_create(pre="a", suf="b").write("blat") |
| 233 | self.do_create(pre="aa", suf=".txt").write("blat") |
| 234 | |
| 235 | def test_basic_many(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 236 | # _mkstemp_inner can create many files (stochastic) |
Neal Norwitz | 68ee012 | 2002-08-16 19:28:59 +0000 | [diff] [blame] | 237 | extant = range(TEST_FILES) |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 238 | for i in extant: |
| 239 | extant[i] = self.do_create(pre="aa") |
| 240 | |
| 241 | def test_choose_directory(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 242 | # _mkstemp_inner can create files in a user-selected directory |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 243 | dir = tempfile.mkdtemp() |
| 244 | try: |
| 245 | self.do_create(dir=dir).write("blat") |
| 246 | finally: |
| 247 | os.rmdir(dir) |
| 248 | |
| 249 | def test_file_mode(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 250 | # _mkstemp_inner creates files with the proper mode |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 251 | if not has_stat: |
| 252 | return # ugh, can't use TestSkipped. |
| 253 | |
| 254 | file = self.do_create() |
| 255 | mode = stat.S_IMODE(os.stat(file.name).st_mode) |
Tim Peters | ca3ac7f | 2002-08-09 18:13:51 +0000 | [diff] [blame] | 256 | expected = 0600 |
Andrew MacIntyre | 1d0eeec | 2002-08-18 06:47:19 +0000 | [diff] [blame] | 257 | if sys.platform in ('win32', 'os2emx'): |
Tim Peters | ca3ac7f | 2002-08-09 18:13:51 +0000 | [diff] [blame] | 258 | # There's no distinction among 'user', 'group' and 'world'; |
| 259 | # replicate the 'user' bits. |
| 260 | user = expected >> 6 |
| 261 | expected = user * (1 + 8 + 64) |
| 262 | self.assertEqual(mode, expected) |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 263 | |
| 264 | def test_noinherit(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 265 | # _mkstemp_inner file handles are not inherited by child processes |
Guido van Rossum | 7874106 | 2002-08-17 11:41:01 +0000 | [diff] [blame] | 266 | if not has_spawnl: |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 267 | return # ugh, can't use TestSkipped. |
| 268 | |
Guido van Rossum | 7874106 | 2002-08-17 11:41:01 +0000 | [diff] [blame] | 269 | if test_support.verbose: |
| 270 | v="v" |
| 271 | else: |
| 272 | v="q" |
| 273 | |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 274 | file = self.do_create() |
Guido van Rossum | 7874106 | 2002-08-17 11:41:01 +0000 | [diff] [blame] | 275 | fd = "%d" % file.fd |
| 276 | |
| 277 | try: |
| 278 | me = __file__ |
| 279 | except NameError: |
| 280 | me = sys.argv[0] |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 281 | |
| 282 | # We have to exec something, so that FD_CLOEXEC will take |
Guido van Rossum | 7874106 | 2002-08-17 11:41:01 +0000 | [diff] [blame] | 283 | # effect. The core of this test is therefore in |
| 284 | # tf_inherit_check.py, which see. |
| 285 | tester = os.path.join(os.path.dirname(os.path.abspath(me)), |
| 286 | "tf_inherit_check.py") |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 287 | |
Guido van Rossum | 7874106 | 2002-08-17 11:41:01 +0000 | [diff] [blame] | 288 | retval = os.spawnl(os.P_WAIT, sys.executable, |
| 289 | sys.executable, tester, v, fd) |
| 290 | self.failIf(retval < 0, |
| 291 | "child process caught fatal signal %d" % -retval) |
| 292 | self.failIf(retval > 0, "child process reports failure") |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 293 | |
| 294 | def test_textmode(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 295 | # _mkstemp_inner can create files in text mode |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 296 | if not has_textmode: |
| 297 | return # ugh, can't use TestSkipped. |
| 298 | |
| 299 | self.do_create(bin=0).write("blat\n") |
| 300 | # XXX should test that the file really is a text file |
| 301 | |
| 302 | test_classes.append(test__mkstemp_inner) |
| 303 | |
| 304 | |
| 305 | class test_gettempprefix(TC): |
| 306 | """Test gettempprefix().""" |
| 307 | |
| 308 | def test_sane_template(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 309 | # gettempprefix returns a nonempty prefix string |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 310 | p = tempfile.gettempprefix() |
| 311 | |
| 312 | self.assert_(isinstance(p, basestring)) |
| 313 | self.assert_(len(p) > 0) |
| 314 | |
| 315 | def test_usable_template(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 316 | # gettempprefix returns a usable prefix string |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 317 | |
| 318 | # Create a temp directory, avoiding use of the prefix. |
| 319 | # Then attempt to create a file whose name is |
| 320 | # prefix + 'xxxxxx.xxx' in that directory. |
| 321 | p = tempfile.gettempprefix() + "xxxxxx.xxx" |
| 322 | d = tempfile.mkdtemp(prefix="") |
| 323 | try: |
| 324 | p = os.path.join(d, p) |
| 325 | try: |
| 326 | fd = os.open(p, os.O_RDWR | os.O_CREAT) |
| 327 | except: |
| 328 | self.failOnException("os.open") |
| 329 | os.close(fd) |
| 330 | os.unlink(p) |
| 331 | finally: |
| 332 | os.rmdir(d) |
| 333 | |
| 334 | test_classes.append(test_gettempprefix) |
| 335 | |
| 336 | |
| 337 | class test_gettempdir(TC): |
| 338 | """Test gettempdir().""" |
| 339 | |
| 340 | def test_directory_exists(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 341 | # gettempdir returns a directory which exists |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 342 | |
| 343 | dir = tempfile.gettempdir() |
| 344 | self.assert_(os.path.isabs(dir) or dir == os.curdir, |
| 345 | "%s is not an absolute path" % dir) |
| 346 | self.assert_(os.path.isdir(dir), |
| 347 | "%s is not a directory" % dir) |
| 348 | |
| 349 | def test_directory_writable(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 350 | # gettempdir returns a directory writable by the user |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 351 | |
| 352 | # sneaky: just instantiate a NamedTemporaryFile, which |
| 353 | # defaults to writing into the directory returned by |
| 354 | # gettempdir. |
| 355 | try: |
| 356 | file = tempfile.NamedTemporaryFile() |
| 357 | file.write("blat") |
| 358 | file.close() |
| 359 | except: |
| 360 | self.failOnException("create file in %s" % tempfile.gettempdir()) |
| 361 | |
| 362 | def test_same_thing(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 363 | # gettempdir always returns the same object |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 364 | a = tempfile.gettempdir() |
| 365 | b = tempfile.gettempdir() |
| 366 | |
| 367 | self.assert_(a is b) |
| 368 | |
| 369 | test_classes.append(test_gettempdir) |
| 370 | |
| 371 | |
| 372 | class test_mkstemp(TC): |
| 373 | """Test mkstemp().""" |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 374 | |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 375 | def do_create(self, dir=None, pre="", suf="", ): |
| 376 | if dir is None: |
| 377 | dir = tempfile.gettempdir() |
| 378 | try: |
| 379 | (fd, name) = tempfile.mkstemp(dir=dir, prefix=pre, suffix=suf) |
| 380 | except: |
| 381 | self.failOnException("mkstemp") |
| 382 | |
| 383 | try: |
| 384 | self.nameCheck(name, dir, pre, suf) |
| 385 | finally: |
| 386 | os.close(fd) |
| 387 | os.unlink(name) |
| 388 | |
| 389 | def test_basic(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 390 | # mkstemp can create files |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 391 | self.do_create() |
| 392 | self.do_create(pre="a") |
| 393 | self.do_create(suf="b") |
| 394 | self.do_create(pre="a", suf="b") |
| 395 | self.do_create(pre="aa", suf=".txt") |
| 396 | |
| 397 | def test_choose_directory(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 398 | # mkstemp can create directories in a user-selected directory |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 399 | dir = tempfile.mkdtemp() |
| 400 | try: |
| 401 | self.do_create(dir=dir) |
| 402 | finally: |
| 403 | os.rmdir(dir) |
| 404 | |
| 405 | test_classes.append(test_mkstemp) |
| 406 | |
| 407 | |
| 408 | class test_mkdtemp(TC): |
| 409 | """Test mkdtemp().""" |
| 410 | |
| 411 | def do_create(self, dir=None, pre="", suf=""): |
| 412 | if dir is None: |
| 413 | dir = tempfile.gettempdir() |
| 414 | try: |
| 415 | name = tempfile.mkdtemp(dir=dir, prefix=pre, suffix=suf) |
| 416 | except: |
| 417 | self.failOnException("mkdtemp") |
| 418 | |
| 419 | try: |
| 420 | self.nameCheck(name, dir, pre, suf) |
| 421 | return name |
| 422 | except: |
| 423 | os.rmdir(name) |
| 424 | raise |
| 425 | |
| 426 | def test_basic(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 427 | # mkdtemp can create directories |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 428 | os.rmdir(self.do_create()) |
| 429 | os.rmdir(self.do_create(pre="a")) |
| 430 | os.rmdir(self.do_create(suf="b")) |
| 431 | os.rmdir(self.do_create(pre="a", suf="b")) |
| 432 | os.rmdir(self.do_create(pre="aa", suf=".txt")) |
Tim Peters | a0d55de | 2002-08-09 18:01:01 +0000 | [diff] [blame] | 433 | |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 434 | def test_basic_many(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 435 | # mkdtemp can create many directories (stochastic) |
Neal Norwitz | 68ee012 | 2002-08-16 19:28:59 +0000 | [diff] [blame] | 436 | extant = range(TEST_FILES) |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 437 | try: |
| 438 | for i in extant: |
| 439 | extant[i] = self.do_create(pre="aa") |
| 440 | finally: |
| 441 | for i in extant: |
| 442 | if(isinstance(i, basestring)): |
| 443 | os.rmdir(i) |
| 444 | |
| 445 | def test_choose_directory(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 446 | # mkdtemp can create directories in a user-selected directory |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 447 | dir = tempfile.mkdtemp() |
| 448 | try: |
| 449 | os.rmdir(self.do_create(dir=dir)) |
| 450 | finally: |
| 451 | os.rmdir(dir) |
| 452 | |
| 453 | def test_mode(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 454 | # mkdtemp creates directories with the proper mode |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 455 | if not has_stat: |
| 456 | return # ugh, can't use TestSkipped. |
| 457 | |
| 458 | dir = self.do_create() |
| 459 | try: |
| 460 | mode = stat.S_IMODE(os.stat(dir).st_mode) |
Tim Peters | ca3ac7f | 2002-08-09 18:13:51 +0000 | [diff] [blame] | 461 | expected = 0700 |
Andrew MacIntyre | 1d0eeec | 2002-08-18 06:47:19 +0000 | [diff] [blame] | 462 | if sys.platform in ('win32', 'os2emx'): |
Tim Peters | ca3ac7f | 2002-08-09 18:13:51 +0000 | [diff] [blame] | 463 | # There's no distinction among 'user', 'group' and 'world'; |
| 464 | # replicate the 'user' bits. |
| 465 | user = expected >> 6 |
| 466 | expected = user * (1 + 8 + 64) |
| 467 | self.assertEqual(mode, expected) |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 468 | finally: |
| 469 | os.rmdir(dir) |
| 470 | |
| 471 | test_classes.append(test_mkdtemp) |
| 472 | |
| 473 | |
| 474 | class test_mktemp(TC): |
| 475 | """Test mktemp().""" |
| 476 | |
| 477 | # For safety, all use of mktemp must occur in a private directory. |
| 478 | # We must also suppress the RuntimeWarning it generates. |
| 479 | def setUp(self): |
| 480 | self.dir = tempfile.mkdtemp() |
| 481 | warnings.filterwarnings("ignore", |
| 482 | category=RuntimeWarning, |
| 483 | message="mktemp") |
| 484 | |
| 485 | def tearDown(self): |
| 486 | if self.dir: |
| 487 | os.rmdir(self.dir) |
| 488 | self.dir = None |
| 489 | # XXX This clobbers any -W options. |
| 490 | warnings.resetwarnings() |
| 491 | |
| 492 | class mktemped: |
| 493 | _unlink = os.unlink |
| 494 | _bflags = tempfile._bin_openflags |
| 495 | |
| 496 | def __init__(self, dir, pre, suf): |
| 497 | self.name = tempfile.mktemp(dir=dir, prefix=pre, suffix=suf) |
| 498 | # Create the file. This will raise an exception if it's |
| 499 | # mysteriously appeared in the meanwhile. |
| 500 | os.close(os.open(self.name, self._bflags, 0600)) |
| 501 | |
| 502 | def __del__(self): |
| 503 | self._unlink(self.name) |
| 504 | |
| 505 | def do_create(self, pre="", suf=""): |
| 506 | try: |
| 507 | file = self.mktemped(self.dir, pre, suf) |
| 508 | except: |
| 509 | self.failOnException("mktemp") |
| 510 | |
| 511 | self.nameCheck(file.name, self.dir, pre, suf) |
| 512 | return file |
| 513 | |
| 514 | def test_basic(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 515 | # mktemp can choose usable file names |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 516 | self.do_create() |
| 517 | self.do_create(pre="a") |
| 518 | self.do_create(suf="b") |
| 519 | self.do_create(pre="a", suf="b") |
| 520 | self.do_create(pre="aa", suf=".txt") |
| 521 | |
| 522 | def test_many(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 523 | # mktemp can choose many usable file names (stochastic) |
Neal Norwitz | 68ee012 | 2002-08-16 19:28:59 +0000 | [diff] [blame] | 524 | extant = range(TEST_FILES) |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 525 | for i in extant: |
| 526 | extant[i] = self.do_create(pre="aa") |
| 527 | |
| 528 | def test_warning(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 529 | # mktemp issues a warning when used |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 530 | warnings.filterwarnings("error", |
| 531 | category=RuntimeWarning, |
| 532 | message="mktemp") |
| 533 | self.assertRaises(RuntimeWarning, |
| 534 | tempfile.mktemp, (), { 'dir': self.dir }) |
| 535 | |
| 536 | test_classes.append(test_mktemp) |
| 537 | |
| 538 | |
| 539 | # We test _TemporaryFileWrapper by testing NamedTemporaryFile. |
| 540 | |
| 541 | |
| 542 | class test_NamedTemporaryFile(TC): |
| 543 | """Test NamedTemporaryFile().""" |
| 544 | |
| 545 | def do_create(self, dir=None, pre="", suf=""): |
| 546 | if dir is None: |
| 547 | dir = tempfile.gettempdir() |
| 548 | try: |
| 549 | file = tempfile.NamedTemporaryFile(dir=dir, prefix=pre, suffix=suf) |
| 550 | except: |
| 551 | self.failOnException("NamedTemporaryFile") |
| 552 | |
| 553 | self.nameCheck(file.name, dir, pre, suf) |
| 554 | return file |
| 555 | |
| 556 | |
| 557 | def test_basic(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 558 | # NamedTemporaryFile can create files |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 559 | self.do_create() |
| 560 | self.do_create(pre="a") |
| 561 | self.do_create(suf="b") |
| 562 | self.do_create(pre="a", suf="b") |
| 563 | self.do_create(pre="aa", suf=".txt") |
| 564 | |
| 565 | def test_creates_named(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 566 | # NamedTemporaryFile creates files with names |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 567 | f = tempfile.NamedTemporaryFile() |
| 568 | self.failUnless(os.path.exists(f.name), |
| 569 | "NamedTemporaryFile %s does not exist" % f.name) |
| 570 | |
| 571 | def test_del_on_close(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 572 | # A NamedTemporaryFile is deleted when closed |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 573 | dir = tempfile.mkdtemp() |
| 574 | try: |
| 575 | f = tempfile.NamedTemporaryFile(dir=dir) |
| 576 | f.write('blat') |
| 577 | f.close() |
| 578 | self.failIf(os.path.exists(f.name), |
| 579 | "NamedTemporaryFile %s exists after close" % f.name) |
| 580 | finally: |
| 581 | os.rmdir(dir) |
| 582 | |
| 583 | def test_multiple_close(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 584 | # A NamedTemporaryFile can be closed many times without error |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 585 | |
| 586 | f = tempfile.NamedTemporaryFile() |
| 587 | f.write('abc\n') |
| 588 | f.close() |
| 589 | try: |
| 590 | f.close() |
| 591 | f.close() |
| 592 | except: |
| 593 | self.failOnException("close") |
| 594 | |
| 595 | # How to test the mode and bufsize parameters? |
| 596 | |
| 597 | test_classes.append(test_NamedTemporaryFile) |
| 598 | |
| 599 | |
| 600 | class test_TemporaryFile(TC): |
| 601 | """Test TemporaryFile().""" |
| 602 | |
| 603 | def test_basic(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 604 | # TemporaryFile can create files |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 605 | # No point in testing the name params - the file has no name. |
| 606 | try: |
| 607 | tempfile.TemporaryFile() |
| 608 | except: |
| 609 | self.failOnException("TemporaryFile") |
| 610 | |
| 611 | def test_has_no_name(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 612 | # TemporaryFile creates files with no names (on this system) |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 613 | dir = tempfile.mkdtemp() |
| 614 | f = tempfile.TemporaryFile(dir=dir) |
| 615 | f.write('blat') |
| 616 | |
| 617 | # Sneaky: because this file has no name, it should not prevent |
| 618 | # us from removing the directory it was created in. |
| 619 | try: |
| 620 | os.rmdir(dir) |
| 621 | except: |
| 622 | ei = sys.exc_info() |
| 623 | # cleanup |
| 624 | f.close() |
| 625 | os.rmdir(dir) |
| 626 | self.failOnException("rmdir", ei) |
| 627 | |
| 628 | def test_multiple_close(self): |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 629 | # A TemporaryFile can be closed many times without error |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 630 | f = tempfile.TemporaryFile() |
| 631 | f.write('abc\n') |
| 632 | f.close() |
| 633 | try: |
| 634 | f.close() |
| 635 | f.close() |
| 636 | except: |
| 637 | self.failOnException("close") |
| 638 | |
| 639 | # How to test the mode and bufsize parameters? |
| 640 | |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 641 | |
Guido van Rossum | 8ccd9b6 | 2002-08-22 20:02:03 +0000 | [diff] [blame] | 642 | if tempfile.NamedTemporaryFile is not tempfile.TemporaryFile: |
Guido van Rossum | 0e54871 | 2002-08-09 16:14:33 +0000 | [diff] [blame] | 643 | test_classes.append(test_TemporaryFile) |
| 644 | |
| 645 | def test_main(): |
| 646 | suite = unittest.TestSuite() |
| 647 | for c in test_classes: |
| 648 | suite.addTest(unittest.makeSuite(c)) |
| 649 | test_support.run_suite(suite) |
| 650 | |
| 651 | if __name__ == "__main__": |
| 652 | test_main() |