How to use the freqtrade.configuration.Arguments function in freqtrade

configuration = Configuration(args)
    validated_conf = configuration.load_config()
    assert validated_conf.get('db_url') == "sqlite:///path/to/db.sqlite"

    # Test conf provided db_url dry_run
    conf = default_conf.copy()
    conf["dry_run"] = True
    conf["db_url"] = "sqlite:///path/to/db.sqlite"
    patched_configuration_load_config_file(mocker, conf)

    arglist = [
        'trade',
        '--strategy', 'TestStrategy',
        '--strategy-path', '/some/path'
    ]
    args = Arguments(arglist).get_parsed_arg()

    configuration = Configuration(args)
    validated_conf = configuration.load_config()
    assert validated_conf.get('db_url') == "sqlite:///path/to/db.sqlite"

    # Test args provided db_url prod
    conf = default_conf.copy()
    conf["dry_run"] = False
    del conf["db_url"]
    patched_configuration_load_config_file(mocker, conf)

    arglist = [
        'trade',
        '--strategy', 'TestStrategy',
        '--strategy-path', '/some/path'
    ]

def test_plot_profit_options() -> None:
    args = [
        'plot-profit',
        '-p', 'UNITTEST/BTC',
        '--trade-source', 'DB',
        "--db-url", "sqlite:///whatever.sqlite",
    ]
    pargs = Arguments(args).get_parsed_arg()

    assert pargs["trade_source"] == "DB"
    assert pargs["pairs"] == ["UNITTEST/BTC"]
    assert pargs["db_url"] == "sqlite:///whatever.sqlite"

def test__args_to_config(caplog):

    arg_list = ['trade', '--strategy-path', 'TestTest']
    args = Arguments(arg_list).get_parsed_arg()
    configuration = Configuration(args)
    config = {}
    with warnings.catch_warnings(record=True) as w:
        # No warnings ...
        configuration._args_to_config(config, argname="strategy_path", logstring="DeadBeef")
        assert len(w) == 0
        assert log_has("DeadBeef", caplog)
        assert config['strategy_path'] == "TestTest"

    configuration = Configuration(args)
    config = {}
    with warnings.catch_warnings(record=True) as w:
        # Deprecation warnings!
        configuration._args_to_config(config, argname="strategy_path", logstring="DeadBeef",
                                      deprecated_msg="Going away soon!")
        assert len(w) == 1

def test_parse_args_invalid() -> None:
    with pytest.raises(SystemExit, match=r'2'):
        Arguments(['-c']).get_parsed_arg()

def test_parse_args_db_url() -> None:
    args = Arguments(['--db-url', 'sqlite:///test.sqlite']).get_parsed_arg()
    assert args["db_url"] == 'sqlite:///test.sqlite'

def test_parse_args_hyperopt_custom() -> None:
    args = [
        '-c', 'test_conf.json',
        'hyperopt',
        '--epochs', '20',
        '--spaces', 'buy'
    ]
    call_args = Arguments(args).get_parsed_arg()
    assert call_args["config"] == ['test_conf.json']
    assert call_args["epochs"] == 20
    assert call_args["verbosity"] == 0
    assert call_args["subparser"] == 'hyperopt'
    assert call_args["spaces"] == ['buy']
    assert call_args["func"] is not None
    assert callable(call_args["func"])

def test_parse_args_strategy() -> None:
    args = Arguments(['--strategy', 'SomeStrategy']).get_parsed_arg()
    assert args["strategy"] == 'SomeStrategy'

def test_load_config_max_open_trades_zero(default_conf, mocker, caplog) -> None:
    default_conf['max_open_trades'] = 0
    patched_configuration_load_config_file(mocker, default_conf)

    args = Arguments(['trade']).get_parsed_arg()
    configuration = Configuration(args)
    validated_conf = configuration.load_config()

    assert validated_conf['max_open_trades'] == 0
    assert 'internals' in validated_conf

def test_parse_args_defaults() -> None:
    args = Arguments([]).get_parsed_arg()
    assert args["config"] == ['config.json']
    assert args["strategy_path"] is None
    assert args["datadir"] is None
    assert args["verbosity"] == 0

def plot_parse_args(args: List[str]) -> Dict[str, Any]:
    """
    Parse args passed to the script
    :param args: Cli arguments
    :return: args: Array with all arguments
    """
    arguments = Arguments(args, 'Graph profits')
    arguments._build_args(optionlist=ARGS_PLOT_PROFIT)
    parsed_args = arguments._parse_args()

    # Load the configuration
    config = setup_configuration(parsed_args, RunMode.OTHER)
    return config