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//usr/lib/python2.4/test/test_commands.py
''' Tests for commands module Nick Mathewson ''' import unittest import os, tempfile, re from test.test_support import TestSkipped, run_unittest 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_getstatus(self): # This pattern should match 'ls -ld /.' on any posix # system, however perversely configured. Even on systems # (e.g., Cygwin) where user and group names can have spaces: # drwxr-xr-x 15 Administ Domain U 4096 Aug 12 12:50 / # drwxr-xr-x 15 Joe User My Group 4096 Aug 12 12:50 / # Note that the first case above has a space in the group name # while the second one has a space in both names. pat = r'''d......... # It is a directory. \+? # It may have ACLs. \s+\d+ # It has some number of links. [^/]* # Skip user, group, size, and date. /\. # and end with the name of the file. ''' self.assert_(re.match(pat, getstatus("/."), re.VERBOSE)) def test_main(): run_unittest(CommandTests) if __name__ == "__main__": test_main()