Added an e2e test for creating a member subscription

refs https://github.com/TryGhost/Team/issues/1355

- Used nock to mock the Stripe API.
- Re-used the price fixture for the Stripe API mocks.

test/e2e-api/admin/__snapshots__/members.test.js.snap

@@ -856,6 +856,80 @@ Object {
 }
 `;
 
+exports[`Members API Can add a subcription 1: [body] 1`] = `
+Object {
+  "members": Array [
+    Object {
+      "avatar_image": null,
+      "comped": false,
+      "created_at": StringMatching /\\\\d\\{4\\}-\\\\d\\{2\\}-\\\\d\\{2\\}T\\\\d\\{2\\}:\\\\d\\{2\\}:\\\\d\\{2\\}\\\\\\.000Z/,
+      "email": "member1@test.com",
+      "email_count": 0,
+      "email_open_rate": null,
+      "email_opened_count": 0,
+      "geolocation": null,
+      "id": StringMatching /\\[a-f0-9\\]\\{24\\}/,
+      "labels": Any<Array>,
+      "name": "Mr Egg",
+      "note": null,
+      "products": Array [],
+      "status": "paid",
+      "subscribed": true,
+      "subscriptions": Array [
+        Object {
+          "cancel_at_period_end": false,
+          "cancellation_reason": null,
+          "current_period_end": Any<String>,
+          "customer": Object {
+            "email": "member1@test.com",
+            "id": "cus_123",
+            "name": null,
+          },
+          "default_payment_card_last4": null,
+          "id": "sub_123",
+          "plan": Object {
+            "amount": 5000,
+            "currency": "USD",
+            "id": "173e16a1fffa7d232b398e4a9b08d266a456ae8f3d23e5f11cc608ced6730b12",
+            "interval": "month",
+            "nickname": "month",
+          },
+          "price": Object {
+            "amount": 5000,
+            "currency": "USD",
+            "id": "173e16a1fffa7d232b398e4a9b08d266a456ae8f3d23e5f11cc608ced6730b12",
+            "interval": "month",
+            "nickname": "Monthly",
+            "price_id": StringMatching /\\[a-f0-9\\]\\{24\\}/,
+            "product": Object {
+              "id": "109c85c734fb9992e7bc30a26af66c22f5c94d8dc62e0a33cb797be902c06b2d",
+              "product_id": StringMatching /\\[a-f0-9\\]\\{24\\}/,
+            },
+            "type": "recurring",
+          },
+          "start_date": Any<String>,
+          "status": "active",
+        },
+      ],
+      "updated_at": StringMatching /\\\\d\\{4\\}-\\\\d\\{2\\}-\\\\d\\{2\\}T\\\\d\\{2\\}:\\\\d\\{2\\}:\\\\d\\{2\\}\\\\\\.000Z/,
+      "uuid": StringMatching /\\[a-f0-9\\]\\{8\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{12\\}/,
+    },
+  ],
+}
+`;
+
+exports[`Members API Can add a subcription 2: [headers] 1`] = `
+Object {
+  "access-control-allow-origin": "http://127.0.0.1:2369",
+  "cache-control": "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0",
+  "content-length": "1333",
+  "content-type": "application/json; charset=utf-8",
+  "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
+  "vary": "Origin, Accept-Encoding",
+  "x-powered-by": "Express",
+}
+`;
+
 exports[`Members API Can add complimentary subscription 1: [body] 1`] = `
 Object {
   "members": Array [

test/e2e-api/admin/members.test.js

@@ -1,6 +1,7 @@
 const {agentProvider, mockManager, fixtureManager, matchers} = require('../../utils/e2e-framework');
 const {anyEtag, anyObjectId, anyUuid, anyDate, anyString, anyArray} = matchers;
 
+const nock = require('nock');
 const should = require('should');
 const sinon = require('sinon');
 const testUtils = require('../../utils');
@@ -9,8 +10,8 @@ const Papa = require('papaparse');
 let agent;
 
 describe('Members API', function () {
-    let request;
     before(async function () {
+        mockManager.setupStripe();
         agent = await agentProvider.getAdminAPIAgent();
         await fixtureManager.init('members');
         await agent.loginAsOwner();
@@ -18,6 +19,7 @@ describe('Members API', function () {
 
     beforeEach(function () {
         mockManager.mockLabsEnabled('multipleProducts');
+        mockManager.mockStripe();
     });
 
     afterEach(function () {
@@ -412,4 +414,74 @@ describe('Members API', function () {
         should.not.exist(csv.data.find(row => row.name === 'Ray Stantz'));
         should.not.exist(csv.data.find(row => row.email === 'member2@test.com'));
     });
+
+    it('Can add a subcription', async function () {
+        const memberId = testUtils.DataGenerator.Content.members[0].id;
+        const price = testUtils.DataGenerator.Content.stripe_prices[0];
+
+        function nockCallback(method, uri, body) {
+            const [match, resource, id] = uri.match(/\/?v1\/(\w+)(?:\/(\w+))?/) || [null];
+
+            if (!match) {
+                return [500];
+            }
+
+            if (resource === 'customers') {
+                return [200, {id: 'cus_123', email: 'member1@test.com'}];
+            }
+
+            if (resource === 'subscriptions') {
+                const now = Math.floor(Date.now() / 1000);
+                return [200, {id: 'sub_123', customer: 'cus_123', cancel_at_period_end: false, items: {
+                    data: [{price: {
+                        id: price.stripe_price_id,
+                        recurring: {
+                            interval: price.interval
+                        },
+                        unit_amount: price.amount,
+                        currency: price.currency.toLowerCase()
+                    }}]
+                }, status: 'active', current_period_end: now + 24 * 3600, start_date: now}];
+            }
+        }
+
+        nock('https://api.stripe.com:443')
+            .persist()
+            .post(/v1\/.*/)
+            .reply((uri, body) => nockCallback('POST', uri, body));
+
+        nock('https://api.stripe.com:443')
+            .persist()
+            .get(/v1\/.*/)
+            .reply((uri, body) => nockCallback('GET', uri, body));
+
+        await agent
+            .post(`/members/${memberId}/subscriptions/`)
+            .body({
+                stripe_price_id: price.id
+            })
+            .expectStatus(200)
+            .matchBodySnapshot({
+                members: new Array(1).fill({
+                    id: anyObjectId,
+                    uuid: anyUuid,
+                    created_at: anyDate,
+                    updated_at: anyDate,
+                    labels: anyArray,
+                    subscriptions: [{
+                        start_date: anyString,
+                        current_period_end: anyString,
+                        price: {
+                            price_id: anyObjectId,
+                            product: {
+                                product_id: anyObjectId
+                            }
+                        }
+                    }]
+                })
+            })
+            .matchHeaderSnapshot({
+                etag: anyEtag
+            });
+    });
 });