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45 lines
1.5 KiB
Python
45 lines
1.5 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_support import TestSkipped, run_unittest
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from commands import *
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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 TestSkipped('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.assertEquals(getoutput('echo xyzzy'), 'xyzzy')
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self.assertEquals(getstatusoutput('echo xyzzy'), (0, 'xyzzy'))
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# we use mktemp in the next line to get a filename which we
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# _know_ won't exist. This is guaranteed to fail.
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status, output = getstatusoutput('cat ' + tempfile.mktemp())
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self.assertNotEquals(status, 0)
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def test_getstatus(self):
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# This pattern should match 'ls -ld /bin/ls' on any posix
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# system, however perversely configured.
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pat = r'''-..x..x..x # It is executable.
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\s+\d+ # It has some number of links.
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\s+\w+\s+\w+ # It has a user and group, which may
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# be named anything.
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[^/]* # Skip the date.
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/bin/ls # and end with the name of the file.
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'''
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self.assert_(re.match(pat, getstatus("/bin/ls"), re.VERBOSE))
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run_unittest(CommandTests)
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