Merge pull request #249 from firebase/client-project-id

docs: adds ex for creating client w optional projectId

Author: craiglabenz

firestore/main/index.js

@@ -1,12 +1,28 @@
 const debug = require('debug')('firestore-snippets-node');
 
 // [START firestore_deps]
+// [START firestore_setup_client_create]
 const admin = require('firebase-admin');
 // [END firestore_deps]
+// [END firestore_setup_client_create]
+
 
 // We supress these logs when not in NODE_ENV=debug for cleaner Mocha output
 const console = {log: debug};
 
+async function initializeAppWithProjectId() {
+// [START firestore_setup_client_create]
+admin.initializeApp({
+// The `projectId` parameter is optional and represents which project the
+// client will act on behalf of. If not supplied, it falls back to the default
+// project inferred from the environment.
+projectId: 'my-project-id',
+});
+const db = admin.firestore();
+// [END firestore_setup_client_create]
+return db;
+}
+
 async function initializeApp() {
 process.env.GCLOUD_PROJECT = 'firestorebeta1test2';
 // [START initialize_app]
@@ -17,6 +33,8 @@ async function initializeApp() {
 
 const db = admin.firestore();
 // [END initialize_app]
+await db.terminate();
+// Destroy connection so we can run other tests that initialize the default app.
 return db;
 }
 
@@ -944,8 +962,12 @@ async function deleteQueryBatch(db, query, resolve) {
 
 describe('Firestore Smoketests', () => {
 
-admin.initializeApp();
-const db = admin.firestore();
+const app = admin.initializeApp({}, 'tests');
+const db = admin.firestore(app);
+
+it('should initialize a db with the default credential', () => {
+return initializeApp();
+});
 
 it('should get an empty document', () => {
 return getDocumentEmpty(db);