Merged in chore/price-calculation-tests (pull request #3072)

chore: Add more price calculation tests

* Add tests and refactor types for getVoucherPrice

* Add tests for sumPackagesRequestedPrice

* Add tests for calculateVat


Approved-by: Joakim Jäderberg

packages/booking-flow/lib/stores/enter-details/helpers.ts

@@ -14,7 +14,6 @@ import type {
   CorporateChequeProduct,
   PriceProduct,
   Product,
-  VoucherProduct,
 } from "@scandic-hotels/trpc/types/roomAvailability"
 import type { User } from "@scandic-hotels/trpc/types/user"
 
@@ -417,13 +416,17 @@ function getCorporateChequePrice(rooms: TRoom[], nights: number) {
     )
 }
 
-interface TRoomVoucher extends TRoom {
-  roomRate: VoucherProduct
+type VoucherRoom = PriceCalculationRoom & {
+  roomRate: {
+    voucher: {
+      numberOfVouchers: number
+    }
+  }
 }
 
-function getVoucherPrice(rooms: TRoom[], nights: number) {
+export function getVoucherPrice(rooms: PriceCalculationRoom[], nights: number) {
   return rooms
-    .filter((room): room is TRoomVoucher => "voucher" in room.roomRate)
+    .filter((room): room is VoucherRoom => "voucher" in room.roomRate)
     .reduce<Price>(
       (total, room) => {
         const voucher = room.roomRate.voucher
@@ -450,7 +453,7 @@ function getVoucherPrice(rooms: TRoom[], nights: number) {
     )
 }
 
-type GetRedemptionPriceRoom = {
+type PriceCalculationRoom = {
   adults: number
   breakfast:
     | { localPrice: { price: number; currency?: CurrencyEnum } }
@@ -465,7 +468,7 @@ type GetRedemptionPriceRoom = {
   // We don't care about roomRate unless it's RedemptionProduct
   roomRate: object
 }
-type RedemptionRoom = GetRedemptionPriceRoom & {
+type RedemptionRoom = PriceCalculationRoom & {
   roomRate: {
     redemption: {
       localPrice: {
@@ -478,7 +481,7 @@ type RedemptionRoom = GetRedemptionPriceRoom & {
 }
 
 export function getRedemptionPrice(
-  rooms: GetRedemptionPriceRoom[],
+  rooms: PriceCalculationRoom[],
   nights: number,
   pointsCurrency?: CurrencyEnum
 ) {