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'''
Tests for commands module
Nick Mathewson
'''
import unittest
import os, tempfile, re
from test.test_support import TestSkipped, run_unittest, reap_children
from commands import *
# The module says:
# "NB This only works (and is only relevant) for UNIX."
#
# Actually, getoutput should work on any platform with an os.popen, but
# I'll take the comment as given, and skip this suite.
if os.name != 'posix':
raise TestSkipped('Not posix; skipping test_commands')
class CommandTests(unittest.TestCase):
def test_getoutput(self):
self.assertEquals(getoutput('echo xyzzy'), 'xyzzy')
self.assertEquals(getstatusoutput('echo xyzzy'), (0, 'xyzzy'))
# we use mkdtemp in the next line to create an empty directory
# under our exclusive control; from that, we can invent a pathname
# that we _know_ won't exist. This is guaranteed to fail.
dir = None
try:
dir = tempfile.mkdtemp()
name = os.path.join(dir, "foo")
status, output = getstatusoutput('cat ' + name)
self.assertNotEquals(status, 0)
finally:
if dir is not None:
os.rmdir(dir)
def test_main():
run_unittest(CommandTests)
reap_children()
if __name__ == "__main__":
test_main()
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