import { getTotalCartQtyFromCart } from './getTotalCartQtyFromCart';

describe('getTotalCartQtyFromCart', () => {
    it('returns zero for an empty cart', () => {
        expect(getTotalCartQtyFromCart([])).toBe(0);
    });

    it('sums line quantities', () => {
        expect(
            getTotalCartQtyFromCart([
                { variantId: 'variant-1', qty: 2 },
                { variantId: 'variant-2', qty: 3 }
            ])
        ).toBe(5);
    });
});