Added basic acceptance tests for offers

refs https://github.com/TryGhost/Team/issues/1084
refs https://github.com/TryGhost/Team/issues/1085

ghost/admin/app/controllers/offer.js

@@ -270,24 +270,26 @@ export default class OffersController extends Controller {
 
     @action
     updateCadence(cadence) {
-        const [tierId, tierCadence, currency] = cadence.split('-');
-        this.offer.tier = {
-            id: tierId
-        };
-        this.offer.cadence = tierCadence;
-        this.offer.currency = currency;
-        const offerType = this.offer.type;
-        this.offertypes = [
-            {
-                label: '%',
-                offertype: 'percent'
-            },
-            {
-                label: currency.toUpperCase(),
-                offertype: 'fixed'
-            }
-        ];
-        this.offer.type = offerType;
+        if (cadence) {
+            const [tierId, tierCadence, currency] = cadence.split('-');
+            this.offer.tier = {
+                id: tierId
+            };
+            this.offer.cadence = tierCadence;
+            this.offer.currency = currency;
+            const offerType = this.offer.type;
+            this.offertypes = [
+                {
+                    label: '%',
+                    offertype: 'percent'
+                },
+                {
+                    label: currency.toUpperCase(),
+                    offertype: 'fixed'
+                }
+            ];
+            this.offer.type = offerType;
+        }
     }
 
     @action

ghost/admin/mirage/config.js

@@ -7,6 +7,7 @@ import mockIntegrations from './config/integrations';
 import mockInvites from './config/invites';
 import mockLabels from './config/labels';
 import mockMembers from './config/members';
+import mockOffers from './config/offers';
 import mockPages from './config/pages';
 import mockPosts from './config/posts';
 import mockProducts from './config/products';
@@ -74,6 +75,7 @@ export function testConfig() {
     mockUsers(this);
     mockWebhooks(this);
     mockProducts(this);
+    mockOffers(this);
 
     /* Notifications -------------------------------------------------------- */
 

ghost/admin/mirage/factories/offer.js

@@ -0,0 +1,12 @@
+import faker from 'faker';
+import moment from 'moment';
+import {Factory} from 'ember-cli-mirage';
+
+let randomDate = function randomDate(start = moment().subtract(30, 'days').toDate(), end = new Date()) {
+    return new Date(start.getTime() + Math.random() * (end.getTime() - start.getTime()));
+};
+
+export default Factory.extend({
+    name() { return `${faker.name.firstName()} ${faker.name.lastName()}`; },
+    createdAt() { return randomDate(); }
+});

ghost/admin/tests/acceptance/offers-test.js

@@ -0,0 +1,96 @@
+import enableLabsFlag from '../helpers/enable-labs-flag';
+import moment from 'moment';
+import wait from 'ember-test-helpers/wait';
+import {authenticateSession, invalidateSession} from 'ember-simple-auth/test-support';
+import {beforeEach, describe, it} from 'mocha';
+import {blur, click, currentURL, fillIn, find, findAll} from '@ember/test-helpers';
+import {expect} from 'chai';
+import {setupApplicationTest} from 'ember-mocha';
+import {setupMirage} from 'ember-cli-mirage/test-support';
+import {timeout} from 'ember-concurrency';
+import {visit} from '../helpers/visit';
+
+describe('Acceptance: Offers', function () {
+    let hooks = setupApplicationTest();
+    setupMirage(hooks);
+
+    it('redirects to signin when not authenticated', async function () {
+        await invalidateSession();
+        await visit('/offers');
+
+        expect(currentURL()).to.equal('/signin');
+    });
+
+    it('redirects non-admins to site', async function () {
+        let role = this.server.create('role', {name: 'Editor'});
+        this.server.create('user', {roles: [role]});
+
+        await authenticateSession();
+        await visit('/offers');
+
+        expect(currentURL()).to.equal('/site');
+        expect(find('[data-test-nav="offers"]'), 'sidebar link')
+            .to.not.exist;
+    });
+
+    describe('as owner', function () {
+        beforeEach(async function () {
+            enableLabsFlag(this.server, 'offers');
+
+            let role = this.server.create('role', {name: 'Owner'});
+            this.server.create('user', {roles: [role]});
+
+            return await authenticateSession();
+        });
+
+        it('it renders, can be navigated, can edit offer', async function () {
+            let offer1 = this.server.create('offer', {createdAt: moment.utc().subtract(1, 'day').valueOf()});
+            this.server.create('offer', {createdAt: moment.utc().subtract(2, 'day').valueOf()});
+
+            await visit('/offers');
+
+            // second wait is needed for the vertical-collection to settle
+            await wait();
+
+            // lands on correct page
+            expect(currentURL(), 'currentURL').to.equal('/offers');
+
+            // it has correct page title
+            expect(document.title, 'page title').to.equal('Offers - Test Blog');
+
+            // it lists all offers
+            expect(findAll('[data-test-list="offers-list-item"]').length, 'offers list count')
+                .to.equal(2);
+
+            let offer = find('[data-test-list="offers-list-item"]');
+            expect(offer.querySelector('[data-test-list="offer-name"] h3').textContent, 'offer list item name')
+                .to.equal(offer1.name);
+
+            await visit(`/offers/${offer1.id}`);
+
+            // second wait is needed for the offer details to settle
+            await wait();
+
+            // it shows selected offer form
+            expect(find('[data-test-input="offer-name"]').value, 'loads correct offer into form')
+                .to.equal(offer1.name);
+
+            // trigger save
+            await fillIn('[data-test-input="offer-name"]', 'New Name');
+            await blur('[data-test-input="offer-name"]');
+
+            await click('[data-test-button="save"]');
+
+            // extra timeout needed for Travis - sometimes it doesn't update
+            // quick enough and an extra wait() call doesn't help
+            await timeout(100);
+
+            await click('[data-test-link="offers-back"]');
+
+            await wait();
+
+            // lands on correct page
+            expect(currentURL(), 'currentURL').to.equal('/offers');
+        });
+    });
+});