def test_coupon_amount_limit(): coupon = Coupon.objects.create(code="TEST", active=True) get_default_campaign(coupon) contact = create_random_person() shop = get_default_shop() product = create_product("test", shop=shop, supplier=get_default_supplier(), default_price="12") order = create_random_order(customer=contact) for x in range(50): coupon.use(order) assert coupon.usages.count() == 50 coupon.increase_usage_limit_by(5) coupon.save() assert coupon.usage_limit == 55 assert coupon.can_use_code(contact) for x in range(5): coupon.use(order) assert coupon.usages.count() == 55 assert not Coupon.is_usable(coupon.code, order.customer) assert coupon.usages.count() == 55 # no change, limit met