human
Complete the below
def assert_string(func):

    ''''Test that item is a string or is converted to one'
    '''
 ... Give me a the Python program you requested?
assistant
#Here is the Python program you requested.
    @functools.wraps(func)
    def wrapper(self, *args, **kwargs):
        name = func.__name__[5:]
        alias = salt.utils.docker.ALIASES_REVMAP.get(name)
        if salt.utils.platform.is_windows():
            data = 'c:\\foo'
        else:
            data = '/foo'
        for item in (name, alias):
            if (item is None):
                continue
            self.assertEqual(docker_utils.translate_input(**{item: data}), ({name: data}, {}, []))
            if (name != 'working_dir'):
                self.assertEqual(docker_utils.translate_input(**{item: 123}), ({name: '123'}, {}, []))
        if (alias is not None):
            self.assertEqual(docker_utils.translate_input(**{name: data, alias: data}), ({name: data}, {}, [name]))
        return func(self, *args, **kwargs)
    return wrapper