From 7e06b1241f89022093438959284ffe4c8a838ad7 Mon Sep 17 00:00:00 2001
From: Hamza-Ayed <hamzaayedflutter@gmail.com>
Date: Sun, 19 Jul 2026 01:51:47 +0300
Subject: [PATCH] feat: add automated stress testing script for driver location
 tracking and trip lifecycle simulation

---
 backend/e2e-tester/stress_test.js | 155 ++++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 backend/e2e-tester/stress_test.js

diff --git a/backend/e2e-tester/stress_test.js b/backend/e2e-tester/stress_test.js
new file mode 100644
index 0000000..a50de82
--- /dev/null
+++ b/backend/e2e-tester/stress_test.js
@@ -0,0 +1,155 @@
+import { io } from 'socket.io-client';
+
+const API_URL = process.env.API_URL || 'http://localhost:4010/api';
+const TENANT_ID = process.env.TENANT_ID || 'siro';
+const NUM_DRIVERS = parseInt(process.env.NUM_DRIVERS || '100', 10);
+const TRIP_RATE_SEC = parseInt(process.env.TRIP_RATE_SEC || '2', 10);
+const DRIVER_PING_INTERVAL_MS = parseInt(process.env.DRIVER_PING_INTERVAL_MS || '3000', 10);
+
+async function api(method, path, body = null, token = null) {
+  const options = {
+    method,
+    headers: {
+      'Content-Type': 'application/json',
+      'x-tenant-id': TENANT_ID,
+      'x-device-id': 'stress-test-device'
+    }
+  };
+  if (token) options.headers['Authorization'] = `Bearer ${token}`;
+  if (body) options.body = JSON.stringify(body);
+
+  const res = await fetch(`${API_URL}${path}`, options);
+  const data = await res.json().catch(() => null);
+
+  if (!res.ok) {
+    throw new Error(`API Error: ${method} ${path} -> ${res.status} : ${JSON.stringify(data)}`);
+  }
+  return data;
+}
+
+let drivers = [];
+let reqCount = 0;
+let errors = 0;
+let tripsCompleted = 0;
+
+async function setupDriver(index) {
+  const phone = `+96279${String(index).padStart(6, '0')}`;
+  try {
+    // Authenticate using dev bypass
+    const auth = await api('POST', '/auth/verify-otp', { phone, code: '1234' });
+    const token = auth.access_token;
+    
+    // Auto-create driver profile if missing
+    if (!auth.user.vehicle_plate) {
+      await api('POST', '/drivers/apply', { 
+        service_class: 'economy', 
+        vehicle_make: 'Toyota', 
+        vehicle_model: 'Corolla', 
+        vehicle_plate: `${index}-TEST` 
+      }, token).catch(() => {});
+    }
+    
+    // Go online
+    await api('PATCH', '/drivers/status', { online: true }, token);
+
+    const WS_URL = API_URL.replace('/api', '');
+    const socket = io(WS_URL, { extraHeaders: { Authorization: `Bearer ${token}` }, reconnection: true });
+    
+    const driverObj = { phone, token, socket, available: true };
+    drivers.push(driverObj);
+
+    // Initial random location in Amman
+    let lat = 31.95 + (Math.random() * 0.1);
+    let lng = 35.91 + (Math.random() * 0.1);
+    
+    // Start pinging location
+    setInterval(() => {
+      lat += 0.0001; // Move slightly
+      socket.emit('driver:location', { lat, lng, speed: 40, heading: 90 });
+      reqCount++;
+    }, DRIVER_PING_INTERVAL_MS);
+
+    // Listen for trip offers
+    socket.on('trip:offer', async (data) => {
+      if (!driverObj.available) return;
+      driverObj.available = false;
+      const tripId = data.tripId || data.id;
+      try {
+        await api('POST', `/trips/${tripId}/accept`, null, token);
+        
+        // Simulate trip flow timeline (shortened for stress test)
+        setTimeout(async () => {
+          await api('PATCH', `/trips/${tripId}/status`, { status: 'driver_arrived' }, token).catch(()=>{});
+          await api('PATCH', `/trips/${tripId}/status`, { status: 'in_progress' }, token).catch(()=>{});
+          await api('PATCH', `/trips/${tripId}/status`, { status: 'completed' }, token).catch(()=>{});
+          driverObj.available = true; // Free to take next trip
+          tripsCompleted++;
+        }, 5000);
+
+      } catch (err) {
+        driverObj.available = true;
+      }
+    });
+
+  } catch (err) {
+    errors++;
+  }
+}
+
+async function spawnRiderAndRequestTrip(index) {
+  const phone = `+96278${String(index).padStart(6, '0')}`;
+  try {
+    const auth = await api('POST', '/auth/verify-otp', { phone, code: '1234' });
+    const token = auth.access_token;
+
+    // Pick a location roughly where drivers are spawned
+    const lat = 31.95 + (Math.random() * 0.1);
+    const lng = 35.91 + (Math.random() * 0.1);
+
+    await api('POST', '/trips', {
+      city: 'amman',
+      service_class: 'economy',
+      origin: { lat, lng },
+      destination: { lat: lat + 0.05, lng: lng + 0.05 }
+    }, token);
+    reqCount++;
+
+  } catch (err) {
+    errors++;
+  }
+}
+
+async function start() {
+  console.log(`\x1b[36m==================================================\x1b[0m`);
+  console.log(`🚀 Starting Stress Test`);
+  console.log(`\x1b[33mDrivers:\x1b[0m ${NUM_DRIVERS}`);
+  console.log(`\x1b[33mTrips/Sec:\x1b[0m ${TRIP_RATE_SEC}`);
+  console.log(`\x1b[33mLocation Ping Interval:\x1b[0m ${DRIVER_PING_INTERVAL_MS}ms`);
+  console.log(`\x1b[36m==================================================\x1b[0m\n`);
+  
+  // Throttle driver creation so we don't spam the DB at startup
+  for (let i = 0; i < NUM_DRIVERS; i++) {
+    setupDriver(i);
+    if (i % 10 === 0) await new Promise(r => setTimeout(r, 100));
+  }
+  
+  console.log(`[System] Finished spawning drivers. Waiting 5s for sockets...`);
+  await new Promise(r => setTimeout(r, 5000));
+  console.log(`[System] Commencing trip requests...`);
+  
+  let riderIndex = 0;
+  setInterval(() => {
+    for (let i = 0; i < TRIP_RATE_SEC; i++) {
+      spawnRiderAndRequestTrip(riderIndex++);
+    }
+  }, 1000);
+
+  // Monitor performance locally
+  setInterval(() => {
+    const currentRps = reqCount / 5;
+    console.log(`\x1b[32m[Metrics]\x1b[0m Active Drivers: ${drivers.length} | API/WS Requests/sec: ${currentRps.toFixed(1)} | Trips Completed: ${tripsCompleted} | Errors: ${errors}`);
+    reqCount = 0;
+  }, 5000);
+}
+
+start();