def test_eval_returns_toplevel_object_of_class(self):
ci = xso_query.ContextInstance(self.Cls)
self.assertEqual(
ci.eval(self.ec),
[self.toplevel],
)
self.ec.get_toplevel_object.assert_called_with(self.Cls)
def test_eval_returns_empty_sequence_for_unset_toplevel(self):
self.ec.get_toplevel_object.side_effect = KeyError
ci = xso_query.ContextInstance(self.Cls)
self.assertEqual(
ci.eval(self.ec),
[],
)
self.ec.get_toplevel_object.assert_called_with(self.Cls)