def test_infobase_add_from_sequence(self): v1 = Variable(full_name="acceleration") v1.save(no_wiki=True) u1 = Unit(full_name="ms") u1.save(no_wiki=True) u2 = Unit(full_name="meter") u2.save(no_wiki=True) u3 = Unit(full_name="second") u3.save(no_wiki=True) u1.make_composition_links("meter,second") v1.add_units_links("meter,second") try: uget1 = u1.composition_links.get(full_name="meter") uget2 = u1.composition_links.get(full_name="second") uget3 = v1.units_links.get(full_name="meter") uget4 = v1.units_links.get(full_name="second") except (ObjectDoesNotExist, MultipleObjectsReturned), e: raise AssertionError