Python nose.tools 模块，nottest() 实例源码

def expand(cls, input):
        """ A "brute force" method of parameterizing test cases. Creates new
            test cases and injects them into the namespace that the wrapped
            function is being defined in. Useful for parameterizing tests in
            subclasses of 'UnitTest', where Nose test generators don't work.

            >>> @parameterized.expand([("foo", 1, 2)])
            ... def test_add1(name, input, expected):
            ...     actual = add1(input)
            ...     assert_equal(actual, expected)
            ...
            >>> locals()
            ... 'test_add1_foo_0': <function ...> ...
            >>>
            """

        def parameterized_expand_wrapper(f):
            stack = inspect.stack()
            frame = stack[1]
            frame_locals = frame[0].f_locals

            base_name = f.__name__
            get_input = cls.input_as_callable(input)
            for num, args in enumerate(get_input()):
                p = param.from_decorator(args)
                name_suffix = "_%s" %(num, )
                if len(p.args) > 0 and isinstance(p.args[0], six.string_types):
                    name_suffix += "_" + cls.to_safe_name(p.args[0])
                name = base_name + name_suffix
                frame_locals[name] = cls.param_as_standalone_func(p, f, name)
            return nottest(f)
        return parameterized_expand_wrapper

def _nottest(afunction):
        return afunction

def _nottest(afunction):
        return afunction