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			74 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
'''
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   Tests for commands module
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   Nick Mathewson
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'''
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import unittest
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import os, tempfile, re
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from test.test_support import run_unittest, reap_children, import_module, \
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                              check_warnings
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# Silence Py3k warning
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commands = import_module('commands', deprecated=True)
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# The module says:
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#   "NB This only works (and is only relevant) for UNIX."
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#
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# Actually, getoutput should work on any platform with an os.popen, but
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# I'll take the comment as given, and skip this suite.
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if os.name != 'posix':
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    raise unittest.SkipTest('Not posix; skipping test_commands')
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class CommandTests(unittest.TestCase):
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    def test_getoutput(self):
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        self.assertEqual(commands.getoutput('echo xyzzy'), 'xyzzy')
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        self.assertEqual(commands.getstatusoutput('echo xyzzy'), (0, 'xyzzy'))
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        # we use mkdtemp in the next line to create an empty directory
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        # under our exclusive control; from that, we can invent a pathname
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        # that we _know_ won't exist.  This is guaranteed to fail.
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        dir = None
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        try:
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            dir = tempfile.mkdtemp()
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            name = os.path.join(dir, "foo")
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            status, output = commands.getstatusoutput('cat ' + name)
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            self.assertNotEqual(status, 0)
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        finally:
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            if dir is not None:
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                os.rmdir(dir)
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    def test_getstatus(self):
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        # This pattern should match 'ls -ld /.' on any posix
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        # system, however perversely configured.  Even on systems
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        # (e.g., Cygwin) where user and group names can have spaces:
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        #     drwxr-xr-x   15 Administ Domain U     4096 Aug 12 12:50 /
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        #     drwxr-xr-x   15 Joe User My Group     4096 Aug 12 12:50 /
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        # Note that the first case above has a space in the group name
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        # while the second one has a space in both names.
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        # Special attributes supported:
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        #   + = has ACLs
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        #   @ = has Mac OS X extended attributes
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        #   . = has a SELinux security context
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        pat = r'''d.........   # It is a directory.
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                  [.+@]?       # It may have special attributes.
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                  \s+\d+       # It has some number of links.
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                  [^/]*        # Skip user, group, size, and date.
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                  /\.          # and end with the name of the file.
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               '''
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        with check_warnings((".*commands.getstatus.. is deprecated",
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                             DeprecationWarning)):
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            self.assertTrue(re.match(pat, commands.getstatus("/."), re.VERBOSE))
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def test_main():
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    run_unittest(CommandTests)
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    reap_children()
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if __name__ == "__main__":
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    test_main()
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