How to use _format_naming_scheme method in Lemoncheesecake

Best Python code snippet using lemoncheesecake

builder.py

Source:builder.py

...147    """148    return InjectedFixture(fixture_name)149def _default_naming_scheme(name, description, parameters, nb):150    return name + "_%d" % nb, description + " #%d" % nb151def _format_naming_scheme(name_fmt, description_fmt):152    def naming_scheme(_, __, parameters, ___):153        return name_fmt.format(**parameters), description_fmt.format(**parameters)154    return naming_scheme155class _Parametrized(object):156    def __init__(self, parameters_source, naming_scheme):157        self._parameters_source = parameters_source158        self.naming_scheme = naming_scheme159    @property160    def parameters_source(self):161        source = iter(self._parameters_source)162        try:163            first_item = next(source)164        except StopIteration:165            return166        if type(first_item) is dict:167            yield first_item168            for item in source:169                yield item170        else:171            if type(first_item) in STRING_TYPES:172                names = [s.strip() for s in first_item.split(",")]173            else:174                names = first_item  # assume list or tuple175            for values in source:176                yield dict(zip(names, values))177def parametrized(parameter_source, naming_scheme=_default_naming_scheme):178    # type: (Iterable, Optional[Union[Callable[[str, str, dict, int], Tuple[str, str]], Sequence]]) -> Any179    """180    Decorator, make the test parametrized.181    :param parameter_source: it can be either:182        -  an iterable of dicts, each dict representing the arguments passed to the test183        - a CSV-like mode, where the first element of the list represents the argument names as an str or a sequence184          (example: ``"i,j"`` or ``("i", "j")``) and the remaining elements are sequences of the arguments to be185          passed to the test.186    :param naming_scheme: optional, it can be either:187      - a optional function that takes as parameters the base test name, description, parameters, index188        and must return the expanded test name and description as a two elements list189      - a tuple/list of two (name + description) format strings, example: ``("test_{i}_plus_{j}", "Test {i} plus {j}")``190    """191    def wrapper(obj):192        md = get_metadata(obj)193        md.parametrized = _Parametrized(194            parameter_source,195            naming_scheme if callable(naming_scheme) else _format_naming_scheme(*naming_scheme)196        )197        return obj...

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