Commit | Line | Data |
---|---|---|
86530b38 AT |
1 | ''' |
2 | Tests for commands module | |
3 | Nick Mathewson | |
4 | ''' | |
5 | import unittest | |
6 | import os, tempfile, re | |
7 | ||
8 | from test.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 mkdtemp in the next line to create an empty directory | |
28 | # under our exclusive control; from that, we can invent a pathname | |
29 | # that we _know_ won't exist. This is guaranteed to fail. | |
30 | dir = None | |
31 | try: | |
32 | dir = tempfile.mkdtemp() | |
33 | name = os.path.join(dir, "foo") | |
34 | ||
35 | status, output = getstatusoutput('cat ' + name) | |
36 | self.assertNotEquals(status, 0) | |
37 | finally: | |
38 | if dir is not None: | |
39 | os.rmdir(dir) | |
40 | ||
41 | def test_getstatus(self): | |
42 | # This pattern should match 'ls -ld /.' on any posix | |
43 | # system, however perversely configured. Even on systems | |
44 | # (e.g., Cygwin) where user and group names can have spaces: | |
45 | # drwxr-xr-x 15 Administ Domain U 4096 Aug 12 12:50 / | |
46 | # drwxr-xr-x 15 Joe User My Group 4096 Aug 12 12:50 / | |
47 | # Note that the first case above has a space in the group name | |
48 | # while the second one has a space in both names. | |
49 | pat = r'''d......... # It is a directory. | |
50 | \+? # It may have ACLs. | |
51 | \s+\d+ # It has some number of links. | |
52 | [^/]* # Skip user, group, size, and date. | |
53 | /\. # and end with the name of the file. | |
54 | ''' | |
55 | ||
56 | self.assert_(re.match(pat, getstatus("/."), re.VERBOSE)) | |
57 | ||
58 | ||
59 | def test_main(): | |
60 | run_unittest(CommandTests) | |
61 | ||
62 | ||
63 | if __name__ == "__main__": | |
64 | test_main() |