PP-11470 show auth rejected page

We would expect to see an error page when payment was declined after clicking “Pay” in the Google Pay dialog, instead we see a technical problems page.

- refactor auth response controller to handle 400 return code
- add a relevant test

app/controllers/web-payments/handle-auth-response.controller.js

@@ -64,6 +64,12 @@ const handleAuthResponse = (req, res, charge) => response => {
       }
       break
     case 400:
+      logging.failedChargePost(response.statusCode, getLoggingFields(req))
+      return responseRouter.response(req, res, 'AUTHORISATION_REJECTED', withAnalytics(
+        charge,
+        { returnUrl: routeFor('return', charge.id) },
+        webPaymentsRouteFor('handlePaymentResponse', charge.id))
+      )
     case 402:
     case 500:
       logging.failedChargePost(response.statusCode, getLoggingFields(req))

test/controllers/web-payments/handle-auth-response.controller.test.js

@@ -128,6 +128,41 @@ describe('The web payments handle auth response controller', () => {
     expect(res.redirect.calledWith(303, '/card_details/chargeId/auth_waiting')).to.be.ok // eslint-disable-line
     done()
   })
+
+  it('should redirect to the the auth_failure view and delete connector response if connector response is in the session and status code is 202', done => {
+    const mockCharge = () => {
+      return {
+        capture: () => {
+          return {
+            then: function (success, fail) {
+              return fail({
+                message: 'AUTHORISATION_REJECTED'
+              })
+            }
+          }
+        }
+      }
+    }
+    const res = {
+      redirect: sinon.spy(),
+      render: sinon.spy(),
+      status: sinon.spy()
+    }
+    const mockCookies = {
+      getSessionVariable: () => {
+        return {
+          statusCode: 400
+        }
+      },
+      deleteSessionVariable: sinon.spy()
+    }
+
+    requireHandleAuthResponseController(mockCharge, mockNormaliseCharge, mockCookies)(req, res)
+    expect(mockCookies.deleteSessionVariable.calledWith(req, `ch_${chargeId}.webPaymentAuthResponse`)).to.be.ok // eslint-disable-line
+    expect(res.render.calledWith('errors/incorrect-state/auth-failure')).to.be.true // eslint-disable-line
+    done()
+  })
+
   it('show capture failed page and delete connector response if connector response is in the session and and capture failed', done => {
     const mockCharge = () => {
       return {
@@ -171,6 +206,7 @@ describe('The web payments handle auth response controller', () => {
     expect(res.render.calledWith('errors/incorrect-state/capture-failure', systemErrorObj)).to.be.true // eslint-disable-line
     done()
   })
+
   it('show error page and delete connector response if connector response is in the session and error', done => {
     const mockCharge = () => {
       return {
@@ -291,6 +327,7 @@ describe('The web payments handle auth response controller', () => {
     expect(res.render.calledWith('errors/system-error', systemErrorObj)).to.be.true // eslint-disable-line
     done()
   })
+
   it('should return error if connector response has not been saved in the session', done => {
     const res = {
       redirect: sinon.spy(),