| 4710c53d |
1 | '''\r |
| 2 | Tests for commands module\r |
| 3 | Nick Mathewson\r |
| 4 | '''\r |
| 5 | import unittest\r |
| 6 | import os, tempfile, re\r |
| 7 | \r |
| 8 | from test.test_support import run_unittest, reap_children, import_module, \\r |
| 9 | check_warnings\r |
| 10 | \r |
| 11 | # Silence Py3k warning\r |
| 12 | commands = import_module('commands', deprecated=True)\r |
| 13 | \r |
| 14 | # The module says:\r |
| 15 | # "NB This only works (and is only relevant) for UNIX."\r |
| 16 | #\r |
| 17 | # Actually, getoutput should work on any platform with an os.popen, but\r |
| 18 | # I'll take the comment as given, and skip this suite.\r |
| 19 | \r |
| 20 | if os.name != 'posix':\r |
| 21 | raise unittest.SkipTest('Not posix; skipping test_commands')\r |
| 22 | \r |
| 23 | \r |
| 24 | class CommandTests(unittest.TestCase):\r |
| 25 | \r |
| 26 | def test_getoutput(self):\r |
| 27 | self.assertEqual(commands.getoutput('echo xyzzy'), 'xyzzy')\r |
| 28 | self.assertEqual(commands.getstatusoutput('echo xyzzy'), (0, 'xyzzy'))\r |
| 29 | \r |
| 30 | # we use mkdtemp in the next line to create an empty directory\r |
| 31 | # under our exclusive control; from that, we can invent a pathname\r |
| 32 | # that we _know_ won't exist. This is guaranteed to fail.\r |
| 33 | dir = None\r |
| 34 | try:\r |
| 35 | dir = tempfile.mkdtemp()\r |
| 36 | name = os.path.join(dir, "foo")\r |
| 37 | \r |
| 38 | status, output = commands.getstatusoutput('cat ' + name)\r |
| 39 | self.assertNotEqual(status, 0)\r |
| 40 | finally:\r |
| 41 | if dir is not None:\r |
| 42 | os.rmdir(dir)\r |
| 43 | \r |
| 44 | def test_getstatus(self):\r |
| 45 | # This pattern should match 'ls -ld /.' on any posix\r |
| 46 | # system, however perversely configured. Even on systems\r |
| 47 | # (e.g., Cygwin) where user and group names can have spaces:\r |
| 48 | # drwxr-xr-x 15 Administ Domain U 4096 Aug 12 12:50 /\r |
| 49 | # drwxr-xr-x 15 Joe User My Group 4096 Aug 12 12:50 /\r |
| 50 | # Note that the first case above has a space in the group name\r |
| 51 | # while the second one has a space in both names.\r |
| 52 | # Special attributes supported:\r |
| 53 | # + = has ACLs\r |
| 54 | # @ = has Mac OS X extended attributes\r |
| 55 | # . = has a SELinux security context\r |
| 56 | pat = r'''d......... # It is a directory.\r |
| 57 | [.+@]? # It may have special attributes.\r |
| 58 | \s+\d+ # It has some number of links.\r |
| 59 | [^/]* # Skip user, group, size, and date.\r |
| 60 | /\. # and end with the name of the file.\r |
| 61 | '''\r |
| 62 | \r |
| 63 | with check_warnings((".*commands.getstatus.. is deprecated",\r |
| 64 | DeprecationWarning)):\r |
| 65 | self.assertTrue(re.match(pat, commands.getstatus("/."), re.VERBOSE))\r |
| 66 | \r |
| 67 | \r |
| 68 | def test_main():\r |
| 69 | run_unittest(CommandTests)\r |
| 70 | reap_children()\r |
| 71 | \r |
| 72 | \r |
| 73 | if __name__ == "__main__":\r |
| 74 | test_main()\r |
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