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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 18:48:32 +02:00
parent 3c76aa6b23
commit a0dd22e5e8
3 changed files with 17 additions and 4 deletions
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18
Lib/test/test_cmd_line.py
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@ -376,12 +376,24 @@ class CmdLineTest(unittest.TestCase):
print("del sys.modules['__main__']", file=script)
assert_python_ok(filename)
def test_unknown_options(self):
rc, out, err = assert_python_failure('-z', __cleanenv=True)
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.support.run_unittest(CmdLineTest)