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62 lines
2.0 KiB
Python
62 lines
2.0 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 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 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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try:
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dir = tempfile.mkdtemp()
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name = os.path.join(dir, "foo")
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status, output = getstatusoutput('cat ' + name)
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self.assertNotEquals(status, 0)
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finally:
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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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pat = r'''d......... # It is a directory.
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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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self.assert_(re.match(pat, getstatus("/."), re.VERBOSE))
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def test_main():
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run_unittest(CommandTests)
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if __name__ == "__main__":
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test_main()
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