def test_computed_function_are_updated_when_relations_are():
ax = DummyA('1', 10)
ax2 = DummyA('2', 500)
cx = DummyC('20', 500)
cx2 = DummyC('30', 500)
assert f(ax, cx, 5, 10) == 200
assert f(ax2, cx2, 5, 10) == 10000
DummyC.update('30', {'value': 30})
assert smache.is_fun_fresh(f, ax, cx, 5, 10) == True
assert smache.is_fun_fresh(f, ax2, cx2, 5, 10) == False
