chore: use splat instead of lodash to clone, remove unnecessary expectations

packages/medusa/src/helpers/test-request.js

@@ -11,7 +11,6 @@ import { moduleHelper } from "../loaders/module"
 import passportLoader from "../loaders/passport"
 import servicesLoader from "../loaders/services"
 import strategiesLoader from "../loaders/strategies"
-import { clone } from "lodash"
 
 const adminSessionOpts = {
   cookieName: "session",
@@ -88,7 +87,7 @@ export async function request(method, url, opts = {}) {
   )
   headers.Cookie = headers.Cookie || ""
   if (opts.adminSession) {
-    const adminSession = clone(opts.adminSession)
+    const adminSession = { ...opts.adminSession }
 
     if (adminSession.jwt) {
       adminSession.jwt = jwt.sign(

packages/medusa/src/services/__tests__/discount.js

@@ -54,21 +54,18 @@ describe("DiscountService", () => {
     })
 
     it("fails to create a discount without regions", async () => {
-      expect.assertions(3)
-      try {
-        await discountService.create({
-          code: "test",
-          rule: {
-            type: "fixed",
-            allocation: "total",
-            value: 20,
-          },
-        })
-      } catch (err) {
-        expect(err.type).toEqual("invalid_data")
-        expect(err.message).toEqual("Discount must have atleast 1 region")
-        expect(discountRepository.create).toHaveBeenCalledTimes(0)
-      }
+      const err = await discountService.create({
+        code: "test",
+        rule: {
+          type: "fixed",
+          allocation: "total",
+          value: 20,
+        },
+      }).catch(e => e)
+
+      expect(err.type).toEqual("invalid_data")
+      expect(err.message).toEqual("Discount must have atleast 1 region")
+      expect(discountRepository.create).toHaveBeenCalledTimes(0)
     })
 
     it("successfully creates discount", async () => {

packages/medusa/src/services/discount.ts

@@ -212,7 +212,7 @@ class DiscountService extends TransactionBaseService {
         )) as Region[]
       }
 
-      if (isEmpty(discount.regions)) {
+      if (!discount.regions?.length) {
         throw new MedusaError(
           MedusaError.Types.INVALID_DATA,
           "Discount must have atleast 1 region"