def test_optional_flag(self):
for flag in ['flag', 'fla_g', 'fla-g']:
rv = re_parse_args.match('[--%s]' % flag)
self.assertIsNotNone(rv)
self.assertEquals(rv.groupdict()['key_name'], flag)
self.assertEquals(rv.groupdict()['key'], '--%s' % flag)
self.assertEquals(rv.groupdict()['lopt'], '[')
self.assertEquals(rv.groupdict()['ropt'], ']')
self.assertIsNone(rv.groupdict()['argument'])
self.assertIsNone(rv.groupdict()['value'])
def test_optional_argument(self):
for arg in ['argument', 'arg-ument', 'arg_ument']:
rv = re_parse_args.match('[%s]' % arg)
self.assertIsNotNone(rv)
self.assertEquals(rv.groupdict()['argument'], arg)
self.assertEquals(rv.groupdict()['lopt'], '[')
self.assertEquals(rv.groupdict()['ropt'], ']')
self.assertIsNone(rv.groupdict()['key'])
self.assertIsNone(rv.groupdict()['key_name'])
self.assertIsNone(rv.groupdict()['value'])
def test_optional_key_value(self):
for k, v in [('key', 'value'), ('k-ey', 'value'),
('k_ey', 'value'), ('key', 'val-ue'),
('key', 'val_ue'), ('k-ey', 'val-ue'),
('k_ey', 'val_ue')]:
rv = re_parse_args.match('[--%s=%s]' % (k, v))
self.assertIsNotNone(rv)
self.assertEquals(rv.groupdict()['key_name'], k)
self.assertEquals(rv.groupdict()['key'], '--%s' % k)
self.assertEquals(rv.groupdict()['value'], v)
self.assertEquals(rv.groupdict()['lopt'], '[')
self.assertEquals(rv.groupdict()['ropt'], ']')
self.assertIsNone(rv.groupdict()['argument'])