sanspie
5eb1832907
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59 lines
3.3 KiB
JavaScript
59 lines
3.3 KiB
JavaScript
// Exercise the real browser-audio gate with fake page state. These policy
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// checks do not replace browser playback, nor do zero underruns prove audio.
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const assert = require('node:assert/strict');
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const fs = require('node:fs');
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const path = require('node:path');
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const {test} = require('node:test');
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const vm = require('node:vm');
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const file = path.join(__dirname, 'audio.mjs');
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const source = fs.readFileSync(file, 'utf8');
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const start = source.indexOf('async function run(browser, label, headers, wantShared, depth = 0) {');
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const end = source.indexOf('\nconst browser = await chromium.launch(', start);
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if (start < 0 || end < 0) throw new Error('unexpected audio smoke source');
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const code = source.slice(start, end);
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async function evaluate(rms, isDemo, depth = 0) {
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const failures = [];
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const stats = {running:true, queued:2048, shared:false, rms, out:rms, muted:false,
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underruns:0, pumpUnderruns:0, targetBlocks:depth || 6, blockFrames:512, rate:48000, mixMaxUs:50};
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const page = {on(){}, goto:async()=>{}, close:async()=>{}, reload:async()=>{},
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mouse:{click:async()=>{}}, isHidden:async()=>false,
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click:async selector=>{if (selector === '#mute') {stats.muted=true;stats.out=0;}}};
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const scope = {
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fs:{existsSync:()=>true}, path, site:'/diagnostic-only', seconds:10, demoSeconds:10,
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sleep:async()=>{}, fail:s=>failures.push(s), console:{log(){}},
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serve:async()=>({address:()=>({port:1}),close(){}}),
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scriptWithoutGesture:async()=>({until:async()=>{}, js:async expression=>{
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if (expression==='globalThis.crossOriginIsolated === true') return false;
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if (expression.includes('const c = new AudioContext()')) return false;
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if (expression.startsWith('globalThis.aegoAudioBlocks =')) return undefined;
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if (expression==='globalThis.aegoAudio.start()') return '';
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if (expression==='globalThis.aegoAudio.stats()' || expression==='globalThis.aegoAudioStats()') return JSON.stringify(stats);
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if (expression==='globalThis.aegoAudio.stop()' || expression==='globalThis.aegoAudioMute(false)') return undefined;
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if (expression==="document.documentElement.dataset.sound === 'off'") return false;
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if (expression==='navigator.userActivation && navigator.userActivation.hasBeenActive') return false;
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if (expression==='globalThis.aegoGame?.mixStats?.() ?? null') return {underruns:0};
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throw new Error('unexpected test expression: '+expression);
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}}),
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};
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vm.createContext(scope);
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vm.runInContext(code,scope,{filename:file});
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const browser={newPage:async()=>page};
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if (isDemo) await scope.demo(browser,'demo',{},false);
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else await scope.run(browser,'messages',{},false,depth);
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return failures;
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}
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test('tone silence fails even when both underrun counters are zero',async()=>{
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assert((await evaluate(0,false)).some(x=>x.includes('rms 0')));
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assert((await evaluate(0,false,5)).some(x=>x.includes('rms 0')));
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});
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test('game silence fails even when both underrun counters are zero',async()=>{
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assert((await evaluate(0,true)).some(x=>x.includes('music is silent')));
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});
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test('audible samples and zero underruns do not fail the fake checks',async()=>{
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assert.deepEqual(await evaluate(0.354,false),[]);
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assert.deepEqual(await evaluate(0.09,true),[]);
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});
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