fix: ci env mismatch and mock email service for tests

Author: yash-pouranik

.github/workflows/ci.yml

@@ -24,7 +24,9 @@ jobs:
       - name: Run Jest Tests
         run: cd backend && npm test
         env:
-          MONGO_URL: ${{ secrets.MONGO_URL_TEST }} # Mock or Test DB
+          NODE_ENV: test
+          RESEND_API_KEY: ${{ secrets.RESEND_API_KEY }}
+          TEST_MONGO_URL: ${{ secrets.MONGO_URL_TEST }}
           JWT_SECRET: ${{ secrets.JWT_SECRET }}
 
   frontend-lint:

backend/tests/auth.test.js

@@ -1,10 +1,23 @@
 const request = require('supertest');
 const mongoose = require('mongoose');
+
+jest.mock('resend', () => {
+    return {
+        Resend: jest.fn().mockImplementation(() => ({
+            emails: {
+                send: jest.fn().mockResolvedValue({ data: { id: 'mock_id' }, error: null }),
+            },
+        })),
+    };
+});
+
 const app = require('../app');
 const Developer = require('../models/Developer');
 const bcrypt = require('bcryptjs');
 require('dotenv').config();
 
+
+
 // --- SETUP 
 beforeAll(async () => {
     // Connect to the TEST Database

backend/utils/emailService.js

@@ -3,7 +3,7 @@ const { Resend } = require('resend');
 const dotenv = require('dotenv');
 
 dotenv.config();
-const resend = new Resend(process.env.RESEND_API_KEY);
+const resend = new Resend(process.env.RESEND_API_KEY || 're_dummy_key_for_testing');
 
 async function sendOtp(email, otp) {
     try {