def test_group_renew(): group = Group() u1 = Unit(1, 1) group.addUnit(u1) assert group.unitList == [u1] u2 = Unit(2, 2) group.renew([u2]) assert group.unitList == [u2]
def test_group_add_units(): group = Group() u1 = Unit(1, 1) u2 = Unit(2, 2) u3 = Unit(3, 3) group.addUnit(u1) group.addUnit(u2) group.addUnit(u3) assert group.unitList == [u1, u2, u3] assert group.getX() == 2 # mass X assert group.getY() == 2 # mass Y