Class TestOptionalsDoubleDash

Lib/test/test_argparse.py:450–461

Test an Optional with a double-dash option string

class TestOptionalsDoubleDash(ParserTestCase):
    """Test an Optional with a double-dash option string"""

    argument_signatures = [Sig('--foo')]
    failures = ['--foo', '-f', '-f a', 'a', '--foo -x', '--foo --bar']
    successes = [
        ('', NS(foo=None)),
        ('--foo a', NS(foo='a')),
        ('--foo=a', NS(foo='a')),
        ('--foo -2.5', NS(foo='-2.5')),
        ('--foo=-2.5', NS(foo='-2.5')),
    ]


class TestOptionalsDoubleDashPartialMatch(ParserTestCase):