feat: add changeTaxRoundingMode to cart mock (#178)

.changeset/cuddly-trains-swim.md

@@ -0,0 +1,5 @@
+---
+"@labdigital/commercetools-mock": patch
+---
+
+Add changeTaxRoundingMode to cart mock

src/repositories/cart/actions.ts

@@ -8,6 +8,7 @@ import {
 	type CartAddItemShippingAddressAction,
 	type CartAddLineItemAction,
 	type CartChangeLineItemQuantityAction,
+	type CartChangeTaxRoundingModeAction,
 	type CartRemoveDiscountCodeAction,
 	type CartRemoveLineItemAction,
 	type CartSetBillingAddressAction,
@@ -229,6 +230,14 @@ export class CartUpdateHandler
 		resource.totalPrice.centAmount = calculateCartTotalPrice(resource);
 	}
 
+	changeTaxRoundingMode(
+		_context: RepositoryContext,
+		resource: Writable<Cart>,
+		{ taxRoundingMode }: CartChangeTaxRoundingModeAction,
+	) {
+		resource.taxRoundingMode = taxRoundingMode;
+	}
+
 	recalculate() {
 		// Dummy action when triggering a recalculation of the cart
 		//

src/services/cart.test.ts

@@ -303,6 +303,26 @@ describe("Cart Update Actions", () => {
 		expect(response.body.lineItems).toHaveLength(0);
 	});
 
+	test("changeTaxRoundingMode", async () => {
+		assert(cart, "cart not created");
+
+		const response = await supertest(ctMock.app)
+			.post(`/dummy/carts/${cart.id}`)
+			.send({
+				version: 1,
+				actions: [
+					{
+						action: "changeTaxRoundingMode",
+						taxRoundingMode: "HalfUp",
+					},
+				],
+			});
+
+		expect(response.status).toBe(200);
+		expect(response.body.version).toBe(2);
+		expect(response.body.taxRoundingMode).toBe("HalfUp");
+	});
+
 	test("recalculate", async () => {
 		await supertest(ctMock.app)
 			.post(`/dummy/products`)