cpython/Lib/test/test_startfile.py

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# Ridiculously simple test of the os.startfile function for Windows.
#
# empty.vbs is an empty file (except for a comment), which does
# nothing when run with cscript or wscript.
#
# A possible improvement would be to have empty.vbs do something that
# we can detect here, to make sure that not only the os.startfile()
# call succeeded, but also the the script actually has run.
import unittest
from test import test_support
# use this form so that the test is skipped when startfile is not available:
from os import startfile, path
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class TestCase(unittest.TestCase):
def test_nonexisting(self):
self.assertRaises(OSError, startfile, "nonexisting.vbs")
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def test_nonexisting_u(self):
self.assertRaises(OSError, startfile, u"nonexisting.vbs")
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def test_empty(self):
empty = path.join(path.dirname(__file__), "empty.vbs")
startfile(empty)
startfile(empty, "open")
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def test_empty_u(self):
empty = path.join(path.dirname(__file__), "empty.vbs")
startfile(unicode(empty, "mbcs"))
startfile(unicode(empty, "mbcs"), "open")
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def test_main():
test_support.run_unittest(TestCase)
if __name__=="__main__":
test_main()