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#16306: report only the first unknown option and add more tests. Patch by Serhiy Storchaka.

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This commit is contained in:
Ezio Melotti 2012-11-23 18:46:11 +02:00
parent 0afe4e4fa6
commit ec6486d52d
3 changed files with 17 additions and 6 deletions
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20
Lib/test/test_cmd_line.py
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@ -116,14 +116,24 @@ class CmdLineTest(unittest.TestCase):
print >>script, "del sys.modules['__main__']"
assert_python_ok(filename)
def test_unknown_options(self):
# Add "without='-E'" to prevent _assert_python append env_vars -E
# which changes the output of stderr
rc, out, err = assert_python_failure('-z', without='-E')
self.assertIn(b'Unknown option', err)
rc, out, err = assert_python_failure('-E', '-z')
self.assertIn(b'Unknown option: -z', err)
self.assertEqual(err.splitlines().count(b'Unknown option: -z'), 1)
self.assertEqual(b'', out)
# Add "without='-E'" to prevent _assert_python to append -E
# to env_vars and change the output of stderr
rc, out, err = assert_python_failure('-z', without='-E')
self.assertIn(b'Unknown option: -z', err)
self.assertEqual(err.splitlines().count(b'Unknown option: -z'), 1)
self.assertEqual(b'', out)
rc, out, err = assert_python_failure('-a', '-z', without='-E')
self.assertIn(b'Unknown option: -a', err)
# only the first unknown option is reported
self.assertNotIn(b'Unknown option: -z', err)
self.assertEqual(err.splitlines().count(b'Unknown option: -a'), 1)
self.assertEqual(b'', out)
def test_main():
test.test_support.run_unittest(CmdLineTest)