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AD2025
203
backend/test-performance.js
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203
backend/test-performance.js
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const axios = require('axios');
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const BASE_URL = 'http://localhost:3000/api';
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// Test configuration
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const ITERATIONS = 10;
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// Colors for terminal output
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const colors = {
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reset: '\x1b[0m',
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green: '\x1b[32m',
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yellow: '\x1b[33m',
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blue: '\x1b[34m',
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cyan: '\x1b[36m',
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magenta: '\x1b[35m'
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};
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const log = (message, color = 'reset') => {
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console.log(`${colors[color]}${message}${colors.reset}`);
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};
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/**
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* Measure endpoint performance
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*/
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const measureEndpoint = async (name, url, options = {}) => {
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const times = [];
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for (let i = 0; i < ITERATIONS; i++) {
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const startTime = Date.now();
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try {
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await axios.get(url, options);
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const endTime = Date.now();
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times.push(endTime - startTime);
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} catch (error) {
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// Some endpoints may return errors (401, etc.) but we still measure time
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const endTime = Date.now();
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times.push(endTime - startTime);
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}
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}
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const avg = times.reduce((a, b) => a + b, 0) / times.length;
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const min = Math.min(...times);
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const max = Math.max(...times);
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return { name, avg, min, max, times };
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};
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/**
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* Run performance benchmarks
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*/
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async function runBenchmarks() {
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log('\n═══════════════════════════════════════════════════════', 'cyan');
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log(' Performance Benchmark Test Suite', 'cyan');
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log('═══════════════════════════════════════════════════════', 'cyan');
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log(`\n📊 Running ${ITERATIONS} iterations per endpoint...\n`, 'blue');
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const results = [];
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try {
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// Test 1: Categories list (should be cached after first request)
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log('Testing: GET /categories', 'yellow');
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const categoriesResult = await measureEndpoint(
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'Categories List',
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`${BASE_URL}/categories`
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);
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results.push(categoriesResult);
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log(` Average: ${categoriesResult.avg.toFixed(2)}ms`, 'green');
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// Test 2: Health check (simple query)
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log('\nTesting: GET /health', 'yellow');
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const healthResult = await measureEndpoint(
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'Health Check',
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'http://localhost:3000/health'
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);
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results.push(healthResult);
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log(` Average: ${healthResult.avg.toFixed(2)}ms`, 'green');
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// Test 3: API docs JSON (file serving)
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log('\nTesting: GET /api-docs.json', 'yellow');
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const docsResult = await measureEndpoint(
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'API Documentation',
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'http://localhost:3000/api-docs.json'
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);
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results.push(docsResult);
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log(` Average: ${docsResult.avg.toFixed(2)}ms`, 'green');
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// Test 4: Guest session creation (database write)
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log('\nTesting: POST /guest/start-session', 'yellow');
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const guestTimes = [];
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for (let i = 0; i < ITERATIONS; i++) {
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const startTime = Date.now();
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try {
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await axios.post(`${BASE_URL}/guest/start-session`);
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const endTime = Date.now();
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guestTimes.push(endTime - startTime);
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} catch (error) {
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// Rate limited, still measure
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const endTime = Date.now();
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guestTimes.push(endTime - startTime);
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}
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// Small delay to avoid rate limiting
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await new Promise(resolve => setTimeout(resolve, 100));
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}
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const guestAvg = guestTimes.reduce((a, b) => a + b, 0) / guestTimes.length;
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results.push({
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name: 'Guest Session Creation',
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avg: guestAvg,
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min: Math.min(...guestTimes),
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max: Math.max(...guestTimes),
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times: guestTimes
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});
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log(` Average: ${guestAvg.toFixed(2)}ms`, 'green');
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// Summary
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log('\n═══════════════════════════════════════════════════════', 'cyan');
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log(' Performance Summary', 'cyan');
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log('═══════════════════════════════════════════════════════', 'cyan');
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results.sort((a, b) => a.avg - b.avg);
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results.forEach((result, index) => {
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const emoji = index === 0 ? '🏆' : index === 1 ? '🥈' : index === 2 ? '🥉' : '📊';
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log(`\n${emoji} ${result.name}:`, 'blue');
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log(` Average: ${result.avg.toFixed(2)}ms`, 'green');
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log(` Min: ${result.min}ms`, 'cyan');
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log(` Max: ${result.max}ms`, 'cyan');
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// Performance rating
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if (result.avg < 50) {
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log(' Rating: ⚡ Excellent', 'green');
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} else if (result.avg < 100) {
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log(' Rating: ✓ Good', 'green');
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} else if (result.avg < 200) {
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log(' Rating: ⚠ Fair', 'yellow');
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} else {
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log(' Rating: ⚠️ Needs Optimization', 'yellow');
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}
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});
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// Cache effectiveness test
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log('\n═══════════════════════════════════════════════════════', 'cyan');
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log(' Cache Effectiveness Test', 'cyan');
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log('═══════════════════════════════════════════════════════', 'cyan');
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log('\n🔄 Testing cache hit vs miss for categories...', 'blue');
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// Clear cache by making a write operation (if applicable)
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// First request (cache miss)
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const cacheMissStart = Date.now();
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await axios.get(`${BASE_URL}/categories`);
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const cacheMissTime = Date.now() - cacheMissStart;
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// Second request (cache hit)
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const cacheHitStart = Date.now();
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await axios.get(`${BASE_URL}/categories`);
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const cacheHitTime = Date.now() - cacheHitStart;
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log(`\n First Request (cache miss): ${cacheMissTime}ms`, 'yellow');
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log(` Second Request (cache hit): ${cacheHitTime}ms`, 'green');
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if (cacheHitTime < cacheMissTime) {
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const improvement = ((1 - cacheHitTime / cacheMissTime) * 100).toFixed(1);
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log(` Cache Improvement: ${improvement}% faster 🚀`, 'green');
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}
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// Overall statistics
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log('\n═══════════════════════════════════════════════════════', 'cyan');
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log(' Overall Statistics', 'cyan');
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log('═══════════════════════════════════════════════════════', 'cyan');
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const overallAvg = results.reduce((sum, r) => sum + r.avg, 0) / results.length;
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const fastest = results[0];
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const slowest = results[results.length - 1];
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log(`\n Total Endpoints Tested: ${results.length}`, 'blue');
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log(` Total Requests Made: ${results.length * ITERATIONS}`, 'blue');
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log(` Overall Average: ${overallAvg.toFixed(2)}ms`, 'magenta');
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log(` Fastest Endpoint: ${fastest.name} (${fastest.avg.toFixed(2)}ms)`, 'green');
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log(` Slowest Endpoint: ${slowest.name} (${slowest.avg.toFixed(2)}ms)`, 'yellow');
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if (overallAvg < 100) {
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log('\n 🎉 Overall Performance: EXCELLENT', 'green');
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} else if (overallAvg < 200) {
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log('\n ✓ Overall Performance: GOOD', 'green');
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} else {
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log('\n ⚠️ Overall Performance: NEEDS IMPROVEMENT', 'yellow');
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}
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log('\n═══════════════════════════════════════════════════════', 'cyan');
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log(' Benchmark complete! Performance data collected.', 'cyan');
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log('═══════════════════════════════════════════════════════\n', 'cyan');
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} catch (error) {
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log(`\n❌ Benchmark error: ${error.message}`, 'yellow');
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console.error(error);
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}
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}
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// Run benchmarks
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console.log('\nStarting performance benchmarks in 2 seconds...');
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console.log('Make sure the server is running on http://localhost:3000\n');
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setTimeout(runBenchmarks, 2000);
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