Implement firebase-functions-test wrapV2

package.json

@@ -1,6 +1,6 @@
 {
   "name": "firebase-functions-test",
-  "version": "0.3.3",
+  "version": "1.0.0",
   "description": "A testing companion to firebase-functions.",
   "main": "lib/index.js",
   "scripts": {
@@ -39,14 +39,15 @@
   "homepage": "https://github.com/firebase/firebase-functions-test#readme",
   "dependencies": {
     "@types/lodash": "^4.14.104",
-    "lodash": "^4.17.5"
+    "lodash": "^4.17.5",
+    "ts-deepmerge": "^2.0.1"
   },
   "devDependencies": {
     "@types/chai": "~4.2.4",
     "@types/mocha": "^5.2.7",
     "chai": "^4.2.0",
     "firebase-admin": "~8.9.0",
-    "firebase-functions": "^3.3.0",
+    "firebase-functions": "^3.20.1",
     "firebase-tools": "^8.9.2",
     "mocha": "^6.2.2",
     "prettier": "^1.19.1",
@@ -55,8 +56,8 @@
     "typescript": "^3.6.4"
   },
   "peerDependencies": {
-    "firebase-functions": ">=2.0.0",
-    "firebase-admin": ">=6.0.0"
+    "firebase-admin": ">=6.0.0",
+    "firebase-functions": ">=3.20.1"
   },
   "engines": {
     "node": ">=8.0.0"

spec/cloudevent/generate.ts

@@ -0,0 +1,60 @@
+// The MIT License (MIT)
+//
+// Copyright (c) 2018 Firebase
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import {expect} from 'chai';
+
+import {alerts, storage} from 'firebase-functions/v2';
+import {generateMockCloudEvent} from '../../src/cloudevent/generate';
+
+describe('generate (CloudEvent)', () => {
+  describe('#generateMockCloudEvent', () => {
+    describe('alerts.billing.onPlanAutomatedUpdatePublished()', () => {
+      it('should create CloudEvent with appropriate fields', () => {
+        const cloudFn = alerts.billing.onPlanAutomatedUpdatePublished(() => {
+        });
+        const cloudEvent =
+          generateMockCloudEvent(cloudFn);
+
+        expect(cloudEvent.type).equal(
+          'google.firebase.firebasealerts.alerts.v1.published');
+        expect(cloudEvent.source).equal(
+          '//firebasealerts.googleapis.com/projects/42');
+        expect(cloudEvent.subject).equal(undefined);
+      });
+    });
+    describe('storage.onObjectArchived', () => {
+      it('should create CloudEvent with appropriate fields', () => {
+        const bucketName = 'bucket_name';
+        const cloudFn = storage.onObjectArchived(bucketName, () => {
+        });
+        const cloudEvent =
+          generateMockCloudEvent(cloudFn);
+
+        expect(cloudEvent.type).equal(
+          'google.cloud.storage.object.v1.archived');
+        expect(cloudEvent.source).equal(
+          `//storage.googleapis.com/projects/_/buckets/${bucketName}`);
+        expect(cloudEvent.subject).equal('objects/file_name');
+      });
+    });
+  });
+});

spec/index.spec.ts

@@ -67,6 +67,8 @@ describe('index', () => {
 
 import './lifecycle.spec';
 import './main.spec';
+import './v2.spec';
+import './cloudevent/generate';
 import './app.spec';
 import './providers/https.spec';
 import './providers/firestore.spec';

spec/main.spec.ts

@@ -33,6 +33,8 @@ import {
 } from '../src/main';
 import { features } from '../src/features';
 import { FirebaseFunctionsTest } from '../src/lifecycle';
+import {alerts} from 'firebase-functions/v2';
+import {wrapV2} from '../src/v2';
 
 describe('main', () => {
   describe('#wrap', () => {
@@ -226,6 +228,17 @@ describe('main', () => {
       });
     });
 
+    describe('v2 functions', () => {
+      it('should invoke wrapV2 wrapper', () => {
+        const handler = (cloudEvent) => ({cloudEvent});
+        const cloudFn = alerts.billing.onPlanAutomatedUpdatePublished(handler);
+        const cloudFnWrap = wrapV2(cloudFn);
+
+        const expectedType = 'google.firebase.firebasealerts.alerts.v1.published';
+        expect(cloudFnWrap().cloudEvent).to.include({type: expectedType});
+      });
+    });
+
     describe('callable functions', () => {
       let wrappedCF;