const { test } = require('node:test'); const assert = require('node:assert/strict'); const { loadAudioSession, runBrowserScript, installMixerDom } = require('./audio_session_test_harness'); test('Stems master-volume compatibility bridge hit is attributed through audio session', async () => { const window = loadAudioSession(); const calls = []; installMixerDom(window); window.feedBack.stems = { setMasterVolume(value) { calls.push(value); } }; runBrowserScript(window, 'static/audio-mixer.js'); await window.feedBack.audio.applySongVolume(50); const snapshot = window.feedBack.audioSession.snapshot(); assert.deepEqual(calls, [0.5]); assert.equal(snapshot.domains.stems.bridges.some(bridge => bridge.bridgeId === 'stems.master-volume'), true); assert.equal(window.feedBack.capabilities.snapshotDiagnostics().compatibilityShims.some(shim => shim.shimId === 'stems.master-volume' && shim.hitCount >= 1), true); });