def test_argument_parser():
"""Verify the argument parser built based on config."""
config = Configuration()
config.add_option("option", option_type=str)
parser = argparse.ArgumentParser()
config.add_arguments(parser)
options = parser.parse_args(["--option", "a"])
assert options.option == "a"
def test_argument_parser_ignore_default():
"""Verify the argument parser does not get default values."""
config = Configuration()
config.add_option("option", option_type=str, default="b")
parser = argparse.ArgumentParser()
config.add_arguments(parser)
options = parser.parse_args([])
assert options.option is None
def test_argument_parser_rename():
"""Verify the argument parser built based on config with some options renamed."""
config = Configuration()
config.add_option("option", option_type=str)
parser = argparse.ArgumentParser()
config.add_arguments(parser, rename=dict(option="--new-option"))
with pytest.raises(SystemExit) as exc:
options = parser.parse_args(["--option", "a"])
assert exc.match("2")
options = parser.parse_args(["--new-option", "a"])
assert options.new_option == "a"
def test_argument_parser_dict_list_tuple():
"""Verify the argument parser does not contain options of type dict/list/tuple in config."""
config = Configuration()
config.add_option("st", option_type=str)
config.add_option("di", option_type=dict)
config.add_option("li", option_type=list)
config.add_option("tu", option_type=tuple)
parser = argparse.ArgumentParser()
config.add_arguments(parser)
options = parser.parse_args([])
assert vars(options) == {"st": None}
with pytest.raises(SystemExit) as exc:
options = parser.parse_args(["--di", "ct"])
assert exc.match("2")
def test_argument_parser_dict_list_tuple():
"""Verify the argument parser does not contain options of type dict/list/tuple in config."""
config = Configuration()
config.add_option('st', option_type=str)
config.add_option('di', option_type=dict)
config.add_option('li', option_type=list)
config.add_option('tu', option_type=tuple)
parser = argparse.ArgumentParser()
config.add_arguments(parser)
options = parser.parse_args([])
assert vars(options) == {'st': None}
with pytest.raises(SystemExit) as exc:
options = parser.parse_args(['--di', 'ct'])
assert exc.match('2')