def test_get_cli_parser_func_with_kwargs_raises():
@cbox.stream()
def func(**kargs):
pass
with pytest.raises(ValueError):
cliparser.get_cli_parser(func)
def test_cli_docstring_help():
@cbox.stream()
def nth_item(line, n: int = 0):
"""returns the nth item from each line.
:param n: the number of item position starting from 0
"""
return line.split()[n]
parser = cliparser.get_cli_parser(nth_item, skip_first=1)
output = parser.format_help()
expected = 'usage: %s [-h] [-n N]\n\nreturns the nth item from each ' \
'line.\n\noptional arguments:\n -h, --help ' \
'show this help message and exit\n -n N ' \
'the number of item position starting from 0\n' % parser.prog
assert output == expected
def _execute_cmd(func, argv, input_stream, output_stream, error_stream):
parser = cliparser.get_cli_parser(func, skip_first=0)
func_kwargs = cliparser.parse_args(parser, argv=argv)
return func(**func_kwargs)