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| -rw-r--r-- | Lib/test/test_commands.py | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Lib/test/test_commands.py b/Lib/test/test_commands.py new file mode 100644 index 0000000..54ae676 --- /dev/null +++ b/Lib/test/test_commands.py @@ -0,0 +1,45 @@ +''' + Tests for commands module + Nick Mathewson +''' +import unittest +import os, tempfile, re + +from 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 mktemp in the next line to get a filename which we + # _know_ won't exist. This is guaranteed to fail. + status, output = getstatusoutput('cat ' + tempfile.mktemp()) + self.assertNotEquals(status, 0) + + def test_getstatus(self): + # This pattern should match 'ls -ld /bin/ls' on any posix + # system, however perversely configured. + pat = r'''-..x..x..x # It is executable. + \s+\d+ # It has some number of links. + \s+\w+\s+\w+ # It has a user and group, which may + # be named anything. + [^/]* # Skip the date. + /bin/ls # and end with the name of the file. + ''' + + self.assert_(re.match(pat, getstatus("/bin/ls"), re.VERBOSE)) + +run_unittest(CommandTests) |