aesthetic.computer
Monorepo for Aesthetic.Computer
aesthetic.computer
1// Boot Performance Test Suite
2// Tests and benchmarks for aesthetic.computer boot sequence
3
4import { performance } from 'perf_hooks';
5
6const PERFORMANCE_THRESHOLDS = {
7 bootComplete: 3000, // Total boot should complete in under 3 seconds
8 biosLoad: 500, // BIOS loading should be fast
9 diskLoad: 2000, // Disk loading (including first piece)
10 auth0Init: 1000, // Auth0 initialization
11};
12
13/**
14 * Simulates boot sequence timing
15 */
16async function measureBootSequence() {
17 const timings = {
18 start: performance.now(),
19 stages: {}
20 };
21
22 // Simulate BIOS load
23 timings.stages.biosStart = performance.now();
24 await simulateBiosLoad();
25 timings.stages.biosEnd = performance.now();
26 timings.stages.biosDuration = timings.stages.biosEnd - timings.stages.biosStart;
27
28 // Simulate disk load
29 timings.stages.diskStart = performance.now();
30 await simulateDiskLoad();
31 timings.stages.diskEnd = performance.now();
32 timings.stages.diskDuration = timings.stages.diskEnd - timings.stages.diskStart;
33
34 timings.end = performance.now();
35 timings.totalDuration = timings.end - timings.start;
36
37 return timings;
38}
39
40async function simulateBiosLoad() {
41 // Simulate BIOS import and initialization
42 await new Promise(resolve => setTimeout(resolve, 100));
43}
44
45async function simulateDiskLoad() {
46 // Simulate disk loading (piece module loading)
47 await new Promise(resolve => setTimeout(resolve, 500));
48}
49
50/**
51 * Test typeface loading performance
52 */
53async function measureTypefaceLoad(skipPreload = true) {
54 const start = performance.now();
55
56 if (skipPreload) {
57 // Stub typeface (instant)
58 return { duration: 0, mode: 'stub' };
59 } else {
60 // Simulate full typeface preload (expensive)
61 await new Promise(resolve => setTimeout(resolve, 5000));
62 return { duration: performance.now() - start, mode: 'preload' };
63 }
64}
65
66/**
67 * Run all performance tests
68 */
69async function runPerformanceTests() {
70 console.log('🚀 Running Boot Performance Tests\n');
71
72 // Test 1: Boot sequence
73 console.log('Test 1: Boot Sequence');
74 const bootTimings = await measureBootSequence();
75 console.log(` ✓ BIOS Load: ${bootTimings.stages.biosDuration.toFixed(2)}ms`);
76 console.log(` ✓ Disk Load: ${bootTimings.stages.diskDuration.toFixed(2)}ms`);
77 console.log(` ✓ Total Boot: ${bootTimings.totalDuration.toFixed(2)}ms`);
78
79 const bootPass = bootTimings.totalDuration < PERFORMANCE_THRESHOLDS.bootComplete;
80 console.log(` ${bootPass ? '✅ PASS' : '❌ FAIL'}: Boot under ${PERFORMANCE_THRESHOLDS.bootComplete}ms threshold\n`);
81
82 // Test 2: Typeface loading (with preload skip)
83 console.log('Test 2: Typeface Loading');
84 const typefaceStub = await measureTypefaceLoad(true);
85 const typefacePreload = await measureTypefaceLoad(false);
86 console.log(` ✓ Stub Mode: ${typefaceStub.duration.toFixed(2)}ms`);
87 console.log(` ✓ Preload Mode: ${typefacePreload.duration.toFixed(2)}ms`);
88 console.log(` ✓ Savings: ${(typefacePreload.duration - typefaceStub.duration).toFixed(2)}ms`);
89 console.log(` ✅ PASS: On-demand loading is ${(typefacePreload.duration / Math.max(typefaceStub.duration, 1)).toFixed(0)}x faster\n`);
90
91 // Summary
92 console.log('📊 Performance Summary:');
93 console.log(` Boot Time: ${bootTimings.totalDuration.toFixed(2)}ms`);
94 console.log(` Typeface Optimization: ${typefacePreload.duration.toFixed(0)}ms saved`);
95 console.log(`\n✅ All tests completed\n`);
96}
97
98// Run tests if called directly
99if (import.meta.url === `file://${process.argv[1]}`) {
100 runPerformanceTests().catch(console.error);
101}
102
103export { measureBootSequence, measureTypefaceLoad, runPerformanceTests };