Add Pub/Sub support + HTTPS testing (#925)

Add Pub/Sub support + HTTPS testing

While adding Pub/Sub support I noticed that there were now v2/ tests.
Added those tests + fixes that they uncovered.

Also fixed issue where 'firebase-functions/logger' wasn't working as
an import in my test project.

package.json

@@ -31,25 +31,36 @@
     "./lib/logger": "./lib/logger/index.js",
     "./lib/logger/compat": "./lib/logger/compat.js",
     "./v2": "./lib/v2/index.js",
+    "./v2/core": "./lib/v2/core.js",
     "./v2/options": "./lib/v2/options.js",
-    "./v2/https": "./lib/v2/providers/https.js"
+    "./v2/https": "./lib/v2/providers/https.js",
+    "./v2/pubsub": "./lib/v2/providers/pubsub.js"
   },
   "typesVersions": {
     "*": {
-      "logger/*": [
-        "lib/logger/*"
+      "logger": [
+        "lib/logger"
+      ],
+      "logger/compat": [
+        "lib/logger/compat"
       ],
       "v1": [
         "lib/v1"
       ],
       "v2": [
         "lib/v2"
       ],
+      "v2/base": [
+        "lib/v2/base"
+      ],
       "v2/options": [
         "lib/v2/options"
       ],
       "v2/https": [
         "lib/v2/providers/https"
+      ],
+      "v2/pubsub": [
+        "lib/v2/providers/pubsub"
       ]
     }
   },

spec/v1/providers/https.spec.ts

@@ -30,8 +30,6 @@ import {
   MockRequest,
 } from '../../fixtures/mockrequest';
 
-// TODO(inlined) dedup this between v1, common, etc.
-
 /**
  * RunHandlerResult contains the data from an express.Response.
  */

spec/v2/providers/helpers.ts

@@ -0,0 +1,35 @@
+import * as options from '../../../src/v2/options';
+
+export const FULL_OPTIONS: options.GlobalOptions = {
+  region: 'us-west1',
+  memory: '512MB',
+  timeoutSeconds: 60,
+  minInstances: 1,
+  maxInstances: 3,
+  concurrency: 20,
+  vpcConnector: 'aConnector',
+  vpcConnectorEgressSettings: 'ALL_TRAFFIC',
+  serviceAccount: 'root@',
+  ingressSettings: 'ALLOW_ALL',
+  labels: {
+    hello: 'world',
+  },
+};
+
+export const FULL_TRIGGER = {
+  apiVersion: 2,
+  platform: 'gcfv2',
+  regions: ['us-west1'],
+  availableMemoryMb: 512,
+  timeout: '60s',
+  minInstances: 1,
+  maxInstances: 3,
+  concurrency: 20,
+  vpcConnector: 'aConnector',
+  vpcConnectorEgressSettings: 'ALL_TRAFFIC',
+  serviceAccountEmail: '[email protected]',
+  ingressSettings: 'ALLOW_ALL',
+  labels: {
+    hello: 'world',
+  },
+};