def test_url(self):
p = Parser()
p.url('url').required()
self.assertRaises(MissingRequiredArgumentError, p._process_command_line)
vals = p._process_command_line(['--url', 'http://www.com'])
p = Parser()
p.url('url')
self.assertRaises(FormatError, p._process_command_line, ['--url', '/www.com'])
