[tests][functions] create testing cloud function project

.gitignore

@@ -96,3 +96,4 @@ tests/ios/Fabric.framework/Fabric
 bridge/android/app/.classpath
 bridge/android/app/.project
 **/.vscode
+bridge/functions/firebase-debug.log

bridge/.firebaserc

@@ -0,0 +1,5 @@
+{
+  "projects": {
+    "default": "rnfirebase-b9ad4"
+  }
+}

bridge/firebase.json

@@ -0,0 +1 @@
+{}

bridge/functions/index.js

@@ -0,0 +1,40 @@
+const functions = require('firebase-functions');
+
+const TEST_DATA = require('./test-data');
+
+exports.runTest = functions.https.onCall(data => {
+  const { type, asError, inputData } = data;
+  if (!Object.hasOwnProperty.call(TEST_DATA, type)) {
+    throw new functions.https.HttpsError(
+      'invalid-argument',
+      'Invalid test requested.'
+    );
+  }
+
+  const outputData = TEST_DATA[type];
+  if (typeof outputData !== typeof inputData) {
+    throw new functions.https.HttpsError(
+      'invalid-argument',
+      'Input and Output types did not match.'
+    );
+  }
+
+  // cheap deep equality check
+  if (JSON.stringify(outputData) !== JSON.stringify(inputData)) {
+    throw new functions.https.HttpsError(
+      'invalid-argument',
+      'Input and Output failed deep equality check.'
+    );
+  }
+
+  // all good
+  if (asError) {
+    throw new functions.https.HttpsError(
+      'cancelled',
+      'Response data was request as part of a Error payload, so here we are!',
+      outputData
+    );
+  }
+
+  return outputData;
+});

bridge/functions/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "functions",
+  "description": "Cloud Functions for Firebase",
+  "scripts": {
+    "serve": "firebase serve --only functions",
+    "shell": "firebase functions:shell",
+    "start": "npm run shell",
+    "deploy": "firebase deploy --only functions",
+    "logs": "firebase functions:log"
+  },
+  "dependencies": {
+    "firebase-admin": "~5.12.0",
+    "firebase-functions": "^1.0.1"
+  },
+  "private": true
+}

bridge/functions/test-data.js

@@ -0,0 +1,41 @@
+module.exports = {
+  number: 1234,
+  string: 'acde',
+  boolean: true,
+  null: null,
+  simpleObject: {
+    number: 1234,
+    string: 'acde',
+    boolean: true,
+    null: null,
+  },
+  simpleArray: [1234, 'acde', true, null],
+  advancedObject: {
+    array: [1234, 'acde', false, null],
+    object: {
+      number: 1234,
+      string: 'acde',
+      boolean: true,
+      null: null,
+      array: [1234, 'acde', true, null],
+    },
+    number: 1234,
+    string: 'acde',
+    boolean: true,
+    null: null,
+  },
+  advancedArray: [
+    1234,
+    'acde',
+    true,
+    null,
+    [1234, 'acde', true, null],
+    {
+      number: 1234,
+      string: 'acde',
+      boolean: true,
+      null: null,
+      array: [1234, 'acde', true, null],
+    },
+  ],
+};