Updates method to reflect correct payment provider API

packages/medusa-payment-stripe/package.json

@@ -23,7 +23,8 @@
     "client-sessions": "^0.8.0",
     "cross-env": "^5.2.1",
     "eslint": "^6.8.0",
-    "jest": "^25.5.2"
+    "jest": "^25.5.2",
+    "medusa-test-utils": "^0.3.0"
   },
   "scripts": {
     "build": "babel src -d dist",

packages/medusa-payment-stripe/src/services/__tests__/stripe-provider.js

@@ -120,14 +120,10 @@ describe("StripeProviderService", () => {
 
       result = await stripeProviderService.updatePayment(
         {
-          payment_method: {
-            data: {
           id: "pi_lebron",
         },
-          },
-        },
         {
-          amount: 1000,
+          total: 1000,
         }
       )
     })

packages/medusa-payment-stripe/src/services/stripe-provider.js

@@ -122,14 +122,17 @@ class StripeProviderService extends PaymentService {
 
   /**
    * Updates Stripe PaymentIntent.
-   * @param {string} cart - the cart to update payment intent for
+   * @param {object} data - The payment session data.
-   * @param {Object} data - the update object for the payment intent
+   * @param {Object} cart - the current cart value
    * @returns {Object} Stripe PaymentIntent
    */
-  async updatePayment(cart, update) {
+  async updatePayment(data, cart) {
     try {
-      const { data } = cart.payment_method
+      const { id } = data
-      return this.stripe_.paymentIntents.update(data.id, update)
+      const amount = this.totalsService_.getTotal(cart)
+      return this.stripe_.paymentIntents.update(id, {
+        amount
+      })
     } catch (error) {
       throw error
     }

packages/medusa/src/services/__mocks__/totals.js

@@ -1,6 +1,12 @@
 import { IdMap } from "medusa-test-utils"
 
 export const TotalsServiceMock = {
+  getTotal: jest.fn().mockImplementation(cart => {
+    if (cart.total) {
+      return cart.total
+    }
+    return 0
+  }),
   getSubtotal: jest.fn().mockImplementation(cart => {
     if (cart.subtotal) {
       return cart.subtotal

packages/medusa/src/services/__tests__/payment-provider.js

@@ -23,4 +23,60 @@ describe("ProductService", () => {
       }
     })
   })
+
+  describe("createSession", () => {
+    const createSession = jest.fn().mockReturnValue(Promise.resolve())
+    const container = {
+      totalsService: TotalsService,
+      pp_default_provider: {
+        createSession
+      }
+    }
+
+    const providerService = new PaymentProviderService(container)
+
+    it("successfully creates session", () => {
+      await providerService.createSession("default_provider", {
+        total: 100
+      })
+
+      expect(createSession).toBeCalledTimes(1)
+      expect(createSession).toBeCalledWith({
+        total: 100
+      })
+    })
+  })
+
+  describe("updateSession", () => {
+    const createSession = jest.fn().mockReturnValue(Promise.resolve())
+    const updateSession = jest.fn().mockReturnValue(Promise.resolve())
+
+    const container = {
+      totalsService: TotalsService,
+      pp_default_provider: {
+        createSession,
+        updateSession
+      }
+    }
+
+    const providerService = new PaymentProviderService(container)
+
+    it("successfully creates session", () => {
+      await providerService.createSession({
+        provider_id: "default_provider",
+        data: {
+          id: "1234"
+        }
+      }, {
+        total: 100
+      })
+
+      expect(TotalsService.getTotal).toBeCalledTimes(1)
+      expect(TotalsService.getTotal).toBeCalledWith({
+        total: 100
+      })
+
+      expect
+    })
+  })
 })