Function parameterize

Lib/test/test_zipfile/_path/_test_params.py:7–25

Decorate a test method to run it as a set of subtests. Modeled after pytest.parametrize.

(names, value_groups)

def parameterize(names, value_groups):
    """
    Decorate a test method to run it as a set of subtests.

    Modeled after pytest.parametrize.
    """

    def decorator(func):
        @functools.wraps(func)
        def wrapped(self):
            for values in value_groups:
                resolved = map(Invoked.eval, always_iterable(values))
                params = dict(zip(always_iterable(names), resolved))
                with self.subTest(**params):
                    func(self, **params)

        return wrapped

    return decorator


class Invoked(types.SimpleNamespace):