class FS(Filterset):
foo = filters.NoneFilter(source='f_list')
def test_none(self):
flt = filters.NoneFilter()
flt.bind('foo', mock.Mock())
value = flt.parse_value(QueryDict("foo=a&foo=b"))
params = flt.filter_params(value)
self.assertEqual(params, {'foo__nin': ["a", "b"]})
class FS(Filterset):
foo = filters.AnyFilter(source='f_str')
bar = filters.NoneFilter(source='f_str')