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
