GCF: Add Firebase remote config samples

functions/firebase/index.js

@@ -115,3 +115,18 @@ exports.helloAnalytics = (event) => {
   console.log(`Location: ${userObj.geoInfo.city}, ${userObj.geoInfo.country}`);
 };
 // [END functions_firebase_analytics]
+
+// [START functions_firebase_remote_config]
+/**
+ * Triggered by a change to a Firebase Remote Config value.
+ *
+ * @param {object} data The Cloud Functions event data.
+ */
+exports.helloRemoteConfig = (event) => {
+  const data = event.data;
+
+  console.log(`Update type: ${data.updateType}`);
+  console.log(`Origin: ${data.updateOrigin}`);
+  console.log(`Version: ${data.versionNumber}`);
+};
+// [END functions_firebase_remote_config]

functions/firebase/test/index.test.js

@@ -107,7 +107,7 @@ test(`should listen to Auth events`, t => {
   t.true(console.log.calledWith(`Email: [email protected]`));
 });
 
-test.serial('should monitor Analytics', t => {
+test.serial('should listen to Analytics events', t => {
   const date = new Date();
   const event = {
     data: {
@@ -137,30 +137,20 @@ test.serial('should monitor Analytics', t => {
   t.is(console.log.args[4][0], `Location: London, UK`);
 });
 
-test(`should update data in response to Firestore events`, t => {
+test(`should listen to Remote Config events`, t => {
   const sample = getSample();
 
-  const date = Date.now();
   const event = {
-    resource: '/documents/some/path',
     data: {
-      email: '[email protected]',
-      metadata: {
-        createdAt: date
-      },
-      value: {
-        fields: {
-          original: {
-            stringValue: 'foobar'
-          }
-        }
-      }
+      updateOrigin: 'CONSOLE',
+      updateType: 'INCREMENTAL_UPDATE',
+      versionNumber: '1'
     }
   };
 
-  sample.program.makeUpperCase(event);
+  sample.program.helloRemoteConfig(event);
 
-  t.true(sample.mocks.firestore.doc.calledWith('some/path'));
-  t.true(console.log.calledWith(`Replacing value: foobar --> FOOBAR`));
-  t.true(sample.mocks.firestore.set.calledWith({'original': 'FOOBAR'}));
+  t.true(console.log.calledWith(`Update type: INCREMENTAL_UPDATE`));
+  t.true(console.log.calledWith(`Origin: CONSOLE`));
+  t.true(console.log.calledWith(`Version: 1`));
 });

functions/node8/index.js

@@ -281,3 +281,16 @@ exports.makeUpperCase = (data, context) => {
   });
 };
 // [END functions_firebase_reactive_node8]
+
+// [START functions_firebase_remote_config_node8]
+/**
+ * Triggered by a change to a Firebase Remote Config value.
+ *
+ * @param {object} data The Cloud Functions event data.
+ */
+exports.helloRemoteConfig = (data) => {
+  console.log(`Update type: ${data.updateType}`);
+  console.log(`Origin: ${data.updateOrigin}`);
+  console.log(`Version: ${data.versionNumber}`);
+};
+// [END functions_firebase_remote_config_node8]

functions/node8/test/index.test.js

@@ -252,3 +252,19 @@ test(`should update data in response to Firestore events`, t => {
   t.true(console.log.calledWith(`Replacing value: foobar --> FOOBAR`));
   t.true(sample.mocks.firestore.set.calledWith({'original': 'FOOBAR'}));
 });
+
+test(`should listen to Firebase Remote Config events`, t => {
+  const sample = getSample();
+
+  const data = {
+    updateOrigin: 'CONSOLE',
+    updateType: 'INCREMENTAL_UPDATE',
+    versionNumber: '1'
+  };
+
+  sample.program.helloRemoteConfig(data);
+
+  t.true(console.log.calledWith(`Update type: INCREMENTAL_UPDATE`));
+  t.true(console.log.calledWith(`Origin: CONSOLE`));
+  t.true(console.log.calledWith(`Version: 1`));
+});