Fred Drake | 4c81d60 | 2001-07-23 04:08:01 +0000 | [diff] [blame] | 1 | ''' |
| 2 | Tests for commands module |
| 3 | Nick Mathewson |
| 4 | ''' |
| 5 | import unittest |
| 6 | import os, tempfile, re |
| 7 | |
| 8 | from test_support import TestSkipped, run_unittest |
| 9 | from commands import * |
| 10 | |
| 11 | # The module says: |
| 12 | # "NB This only works (and is only relevant) for UNIX." |
| 13 | # |
| 14 | # Actually, getoutput should work on any platform with an os.popen, but |
| 15 | # I'll take the comment as given, and skip this suite. |
| 16 | |
| 17 | if os.name != 'posix': |
| 18 | raise TestSkipped('Not posix; skipping test_commands') |
| 19 | |
| 20 | |
| 21 | class CommandTests(unittest.TestCase): |
| 22 | |
| 23 | def test_getoutput(self): |
| 24 | self.assertEquals(getoutput('echo xyzzy'), 'xyzzy') |
| 25 | self.assertEquals(getstatusoutput('echo xyzzy'), (0, 'xyzzy')) |
| 26 | |
| 27 | # we use mktemp in the next line to get a filename which we |
| 28 | # _know_ won't exist. This is guaranteed to fail. |
| 29 | status, output = getstatusoutput('cat ' + tempfile.mktemp()) |
| 30 | self.assertNotEquals(status, 0) |
| 31 | |
| 32 | def test_getstatus(self): |
| 33 | # This pattern should match 'ls -ld /bin/ls' on any posix |
| 34 | # system, however perversely configured. |
| 35 | pat = r'''-..x..x..x # It is executable. |
| 36 | \s+\d+ # It has some number of links. |
| 37 | \s+\w+\s+\w+ # It has a user and group, which may |
| 38 | # be named anything. |
| 39 | [^/]* # Skip the date. |
| 40 | /bin/ls # and end with the name of the file. |
| 41 | ''' |
| 42 | |
| 43 | self.assert_(re.match(pat, getstatus("/bin/ls"), re.VERBOSE)) |
| 44 | |
| 45 | run_unittest(CommandTests) |