update app.js

app.js

@@ -3,6 +3,19 @@ const axios = require('axios');
 const crypto = require('crypto');
 const ejs = require('ejs');
 const path = require('path');
+const request = require('supertest');
+const app = require('../app'); // Adjust the path based on your directory structure
+
+describe('GET /', () => {
+  test('It should respond with status 200 and render index page', async () => {
+    const response = await request(app).get('/');
+    expect(response.status).toBe(200);
+    expect(response.text).toContain('index');
+  });
+});
+
+// Add more tests for other routes...
+
 
 const app = express();
 const PORT = process.env.PORT || 3000;