1# Ridiculously simple test of the os.startfile function for Windows.
2#
3# empty.vbs is an empty file (except for a comment), which does
4# nothing when run with cscript or wscript.
5#
6# A possible improvement would be to have empty.vbs do something that
7# we can detect here, to make sure that not only the os.startfile()
8# call succeeded, but also the script actually has run.
9
10import unittest
11from test import support
12import os
13import sys
14from os import path
15
16startfile = support.get_attribute(os, 'startfile')
17
18
19class TestCase(unittest.TestCase):
20    def test_nonexisting(self):
21        self.assertRaises(OSError, startfile, "nonexisting.vbs")
22
23    def test_empty(self):
24        # We need to make sure the child process starts in a directory
25        # we're not about to delete. If we're running under -j, that
26        # means the test harness provided directory isn't a safe option.
27        # See http://bugs.python.org/issue15526 for more details
28        with support.change_cwd(path.dirname(sys.executable)):
29            empty = path.join(path.dirname(__file__), "empty.vbs")
30            startfile(empty)
31            startfile(empty, "open")
32
33if __name__ == "__main__":
34    unittest.main()
35