init

backend/src/utils/cart/getTotalCartQtyFromCart.spec.ts

@@ -0,0 +1,16 @@
+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);
+    });
+});