Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_commands.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents 5616cbce0bee
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4a431952676b Tests for the "commands" module, contributed by Nick Mathewson.
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1 '''
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2 Tests for commands module
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3 Nick Mathewson
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4 '''
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5 import unittest
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6 import os, tempfile, re
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7
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8 from test.test_support import run_unittest, reap_children, import_module, \
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9 check_warnings
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10
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11 # Silence Py3k warning
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12 commands = import_module('commands', deprecated=True)
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13
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14 # The module says:
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15 # "NB This only works (and is only relevant) for UNIX."
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16 #
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17 # Actually, getoutput should work on any platform with an os.popen, but
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18 # I'll take the comment as given, and skip this suite.
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19
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20 if os.name != 'posix':
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21 raise unittest.SkipTest('Not posix; skipping test_commands')
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23
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24 class CommandTests(unittest.TestCase):
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25
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26 def test_getoutput(self):
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27 self.assertEqual(commands.getoutput('echo xyzzy'), 'xyzzy')
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28 self.assertEqual(commands.getstatusoutput('echo xyzzy'), (0, 'xyzzy'))
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29
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30 # we use mkdtemp in the next line to create an empty directory
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31 # under our exclusive control; from that, we can invent a pathname
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32 # that we _know_ won't exist. This is guaranteed to fail.
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33 dir = None
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34 try:
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35 dir = tempfile.mkdtemp()
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36 name = os.path.join(dir, "foo")
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37
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38 status, output = commands.getstatusoutput('cat ' + name)
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39 self.assertNotEqual(status, 0)
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40 finally:
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41 if dir is not None:
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42 os.rmdir(dir)
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43
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44 def test_getstatus(self):
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45 # This pattern should match 'ls -ld /.' on any posix
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46 # system, however perversely configured. Even on systems
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47 # (e.g., Cygwin) where user and group names can have spaces:
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48 # drwxr-xr-x 15 Administ Domain U 4096 Aug 12 12:50 /
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49 # drwxr-xr-x 15 Joe User My Group 4096 Aug 12 12:50 /
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50 # Note that the first case above has a space in the group name
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51 # while the second one has a space in both names.
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52 # Special attributes supported:
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53 # + = has ACLs
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54 # @ = has Mac OS X extended attributes
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55 # . = has a SELinux security context
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56 pat = r'''d......... # It is a directory.
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57 [.+@]? # It may have special attributes.
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58 \s+\d+ # It has some number of links.
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59 [^/]* # Skip user, group, size, and date.
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60 /\. # and end with the name of the file.
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61 '''
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62
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63 with check_warnings((".*commands.getstatus.. is deprecated",
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64 DeprecationWarning)):
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65 self.assertTrue(re.match(pat, commands.getstatus("/."), re.VERBOSE))
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68 def test_main():
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69 run_unittest(CommandTests)
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70 reap_children()
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73 if __name__ == "__main__":
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74 test_main()