def test_group_dict(self):
options = OptionParser()
options.define('a', default=1)
options.define('b', group='b_group', default=2)
frame = sys._getframe(0)
this_file = frame.f_code.co_filename
self.assertEqual(set(['b_group', '', this_file]), options.groups())
b_group_dict = options.group_dict('b_group')
self.assertEqual({'b': 2}, b_group_dict)
self.assertEqual({}, options.group_dict('nonexistent'))
def test_dash_underscore_introspection(self):
# Original names are preserved in introspection APIs.
options = OptionParser()
options.define('with-dash', group='g')
options.define('with_underscore', group='g')
all_options = ['help', 'with-dash', 'with_underscore']
self.assertEqual(sorted(options), all_options)
self.assertEqual(sorted(k for (k, v) in options.items()), all_options)
self.assertEqual(sorted(options.as_dict().keys()), all_options)
self.assertEqual(sorted(options.group_dict('g')),
['with-dash', 'with_underscore'])
# --help shows CLI-style names with dashes.
buf = StringIO()
options.print_help(buf)
self.assertIn('--with-dash', buf.getvalue())
self.assertIn('--with-underscore', buf.getvalue())