feat(): added percentage calculations for all cases (#6300)

what:

- adds missing percentage calculations for items and shipping methods

packages/promotion/integration-tests/__tests__/services/promotion-module/promotion.spec.ts

@@ -1,16 +1,17 @@
+import { Modules } from "@medusajs/modules-sdk"
 import { IPromotionModuleService } from "@medusajs/types"
 import {
+  ApplicationMethodTargetType,
   ApplicationMethodType,
   CampaignBudgetType,
   PromotionType,
 } from "@medusajs/utils"
 import { SqlEntityManager } from "@mikro-orm/postgresql"
+import { initModules } from "medusa-test-utils"
 import { createCampaigns } from "../../../__fixtures__/campaigns"
 import { createPromotions } from "../../../__fixtures__/promotion"
 import { MikroOrmWrapper } from "../../../utils"
 import { getInitModuleConfig } from "../../../utils/get-init-module-config"
-import { Modules } from "@medusajs/modules-sdk"
-import { initModules } from "medusa-test-utils/dist"
 
 jest.setTimeout(30000)
 
@@ -114,6 +115,24 @@ describe("Promotion Service", () => {
       )
     })
 
+    it("should throw error when percentage type and value is greater than 100", async () => {
+      const error = await service
+        .create({
+          code: "PROMOTION_TEST",
+          type: PromotionType.STANDARD,
+          application_method: {
+            type: ApplicationMethodType.PERCENTAGE,
+            target_type: ApplicationMethodTargetType.ORDER,
+            value: "1000",
+          },
+        })
+        .catch((e) => e)
+
+      expect(error.message).toContain(
+        "Application Method value should be a percentage number between 0 and 100"
+      )
+    })
+
     it("should throw an error when both campaign and campaign_id are provided", async () => {
       const startsAt = new Date("01/01/2023")
       const endsAt = new Date("01/01/2023")
@@ -655,7 +674,7 @@ describe("Promotion Service", () => {
           is_automatic: true,
           code: "TEST",
           type: PromotionType.BUYGET,
-        },
+        } as any,
       ])
 
       expect(updatedPromotion).toEqual(
@@ -899,12 +918,12 @@ describe("Promotion Service", () => {
             value: "200",
             target_type: "items",
           },
-        },
+        } as any,
         {
           id: "promotion-id-2",
           code: "PROMOTION_2",
           type: PromotionType.STANDARD,
-        },
+        } as any,
       ])
     })