pediatric-ai-scribe-v3/test/transcription-memory-policy.test.js

const { test } = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');

const root = path.join(__dirname, '..');

function read(relativePath) {
  return fs.readFileSync(path.join(root, relativePath), 'utf8');
}

test('AI memory context is limited to saved template categories', () => {
  const route = read('src/routes/memories.js');
  assert.match(route, /var AI_CONTEXT_CATEGORIES = \[/);
  assert.match(route, /'physical_exam'/);
  assert.match(route, /'template_ed'/);
  assert.match(route, /rows = rows\.filter\(function\(r\) \{ return AI_CONTEXT_CATEGORIES\.indexOf\(r\.category\) !== -1; \}\)/);
  assert.doesNotMatch(route.match(/var AI_CONTEXT_CATEGORIES = \[[\s\S]*?\];/)[0], /'custom'/);
});

test('template settings do not offer new custom AI memories', () => {
  const settings = read('public/components/settings.html');
  const memories = read('public/js/memories.js');
  assert.doesNotMatch(settings, /<option value="custom">/);
  assert.match(settings, /Only template categories are sent to AI/);
  assert.match(memories, /custom: 'Custom \(not used by AI\)'/);
  assert.match(memories, /window\.getUserMemoryContext = function\(\)/);
});

test('note refine corrections still call AI without storing learning memories', () => {
  const app = read('public/js/app.js');
  const refine = read('src/routes/refine.js');
  assert.match(app, /function refineDocument\(outputElementId, inputElementId\)/);
  assert.match(app, /fetch\('\/api\/refine'/);
  assert.match(app, /currentDocument: docText, instructions: instructions/);
  assert.match(refine, /router\.post\('\/refine'/);
  assert.match(refine, /PROMPTS\.refine \+ INJECTION_GUARD/);
  assert.match(refine, /sourceContext/);
  assert.doesNotMatch(refine, /INSERT INTO user_memories|correction_/);
});

test('browser Whisper is removed from public runtime and user settings', () => {
  assert.equal(fs.existsSync(path.join(root, 'public/js/browserWhisper.js')), false);
  assert.equal(fs.existsSync(path.join(root, 'public/js/whisperWorker.js')), false);
  assert.equal(fs.existsSync(path.join(root, 'public/js/whisperWorkerV2.js')), false);
  assert.equal(fs.existsSync(path.join(root, 'docs/browser-whisper-setup.md')), false);
  assert.equal(fs.existsSync(path.join(root, 'docs/browser-whisper-troubleshooting.md')), false);
  assert.equal(fs.existsSync(path.join(root, 'scripts/download-whisper-models.sh')), false);
  const publicRuntimeFiles = [
    'public/index.html',
    'public/js/app.js',
    'public/js/transcriptionSettings.js',
    'public/components/settings.html',
    'public/components/faq.html'
  ];
  publicRuntimeFiles.forEach((file) => {
    assert.doesNotMatch(read(file), /BrowserWhisper|browser-whisper|Browser Whisper|Xenova\/whisper|transformers\.min\.js/, file);
  });
  const dockerfile = read('Dockerfile');
  assert.doesNotMatch(dockerfile, /Xenova\/whisper|transformers\.min\.js|Browser Whisper/);
  const server = read('server.js');
  assert.doesNotMatch(server, /wasm-unsafe-eval|unsafe-eval|huggingface\.co|cdn-lfs|transformers/);
});

test('browser speech recognition is gated by explicit user setting', () => {
  const app = read('public/js/app.js');
  const speechFactory = app.match(/function createSpeechRecognition\(\) \{[\s\S]*?\n\}/)[0];
  assert.match(speechFactory, /window\.WebSpeechRecognition && !window\.WebSpeechRecognition\.isEnabled\(\)/);
});

test('audio backup settings render without dynamic HTML templates', () => {
  const audioBackup = read('public/js/audioBackup.js');
  const renderer = audioBackup.match(/window\.renderAudioBackups = function\(\) \{[\s\S]*?\n  \};/)[0];
  assert.doesNotMatch(renderer, /innerHTML/);
  assert.match(renderer, /document\.createElement\('button'\)/);
  assert.match(renderer, /textContent =/);
});

// The Settings picker offered six hardcoded ids. On this gateway none of them
// resolve, and /api/transcribe prefers the user's choice over the admin
// default — so choosing one broke every recording with "Invalid model name".
test('the STT picker offers what the gateway has, not a hardcoded list', () => {
  const stt = read('src/utils/sttProvider.js');
  const prefs = read('src/routes/userPreferences.js');

  assert.match(stt, /async function discoverSTTModels\(options\)/);
  assert.match(stt, /getLiteLLMSTTModels\(resp\.data && resp\.data\.data\)/, 'filtered by audio_transcription mode');
  assert.match(stt, /STT_DISCOVERY_TTL_MS = 5 \* 60 \* 1000;/, 'cached, so a user-facing page does not hit the gateway every load');
  assert.match(stt, /module\.exports = \{[\s\S]{0,80}discoverSTTModels,/);

  assert.match(prefs, /var sttIds = await discoverSTTModels\(\);/);
  assert.match(prefs, /if \(!sttIds\.length\) sttIds = getSTTModelLists\(\)\.litellm\.slice\(\);/,
    'the built-in list survives only as a fallback');
  assert.match(prefs, /model === adminSttModel \? ' \(default\)' : ''/, 'the admin default is marked');
});

// A recording is significant clinical material: it must be possible to take a
// copy out of the app, and a recording that has silently stopped must say so.
test('recordings can be exported, and a dead recorder is reported', () => {
  const backup = read('public/js/audioBackup.js');
  assert.match(backup, /window\.downloadAudioBackup = function\(id, stamp\)/);
  assert.match(backup, /'\/api\/audio-backups\/' \+ id\.replace\('server_', ''\) \+ '\/audio'/, 'server-side copies');
  assert.match(backup, /objectStore\(STORE_NAME\)\.get\(localId\)/, 'and local ones');
  // A local record belongs to one account; another must not be able to pull it.
  assert.match(backup, /!boundary\.valid\(owner\) \|\| record\.owner !== owner/);
  assert.match(backup, /audio-backup-download/, 'the list offers it');
  assert.match(backup, /indexOf\('mp4'\) !== -1 \? 'm4a'/, 'the extension matches what was recorded');

  const app = read('public/js/app.js');
  assert.match(app, /self\.mediaRecorder\.onerror = function\(event\)/);
  assert.match(app, /track\.addEventListener\('ended'/, 'the microphone being taken away is a failure too');
  assert.match(app, /AudioRecorder\.prototype\.notifyFailure/);
  assert.match(app, /if \(this\.notified\) return;/, 'reported once, not per chunk');
  assert.match(app, /audio-recorder-failed/, 'callers can react');
});

test('a running recording holds the screen awake and survives a glance away', () => {
  const app = read('public/js/app.js');
  // The screen sleeping suspends the recording, and the browser drops a wake
  // lock whenever the page is hidden — so it has to be taken again on return,
  // or one glance away ends it for the rest of the session.
  assert.match(app, /navigator\.wakeLock\.request\('screen'\)/);
  assert.match(app, /document\.addEventListener\('visibilitychange', function\(\) \{\s*\n\s*if \(document\.visibilityState === 'visible'\) _acquireWakeLock\(\);/);
  assert.match(app, /if \(document\.visibilityState !== 'visible'\) return Promise\.resolve\(null\);/,
    'requesting while hidden would just be rejected');
  // Counted, so two recorders do not release each other's lock.
  assert.match(app, /_wakeLockHolders = Math\.max\(0, _wakeLockHolders - 1\);/);
  assert.match(app, /if \(_wakeLockHolders > 0 \|\| !_wakeLock\) return;/);
  // Signing out must not leave the screen pinned awake.
  assert.match(app, /window\.addEventListener\('account-boundary', function\(\) \{\s*\n\s*_wakeLockHolders = 0;/);
  // Denied or unsupported must not stop the recording.
  assert.match(app, /\.catch\(function\(\) \{ return null; \}\);/);
});

test('starting an already-running recorder does not throw away what it has', () => {
  const app = read('public/js/app.js');
  assert.match(app, /if \(self\.mediaRecorder && self\.mediaRecorder\.state === 'recording'\) return Promise\.resolve\(\);/);
  assert.match(app, /if \(self\.heldWakeLock\) \{ self\.heldWakeLock = false; releaseWakeLock\(\); \}/, 'and stopping releases the lock');
});

test('a recording that ends by itself is still transcribed, and logging out stops it', () => {
  const live = read('public/js/liveEncounter.js');
  // Same path as pressing Stop, so the audio is transcribed and stored rather
  // than left in a tab that still claims to be recording.
  assert.match(live, /document\.addEventListener\('audio-recorder-failed', function\(\) \{[\s\S]{0,160}recordBtn\.click\(\);/);
  assert.match(live, /window\.addEventListener\('account-boundary', function\(\) \{[\s\S]{0,200}recorder\.stop\(\)/,
    'signing out mid-recording stops it');
});

test('every recording is kept for 24 hours, not only the failures', () => {
  const transcribe = read('src/routes/transcribe.js');
  const store = read('src/utils/audioBackupStore.js');
  const db = read('src/db/database.js');

  // The audio is already on the server for transcription, so keeping it costs
  // no second upload.
  assert.match(transcribe, /require\('\.\.\/utils\/audioBackupStore'\)\.save\(req\.user\.id, req\.body\.module \|\| 'recording', req\.file\.buffer, mimeType\)/);
  assert.match(transcribe, /console\.warn\('\[Transcribe\] backup failed \(transcription continues\)/,
    'a storage failure must not lose the transcription someone is waiting for');

  // Object storage when configured, the encrypted database column otherwise.
  assert.match(store, /if \(!env\.AUDIO_BACKUPS_S3_ENDPOINT \|\| !env\.AUDIO_BACKUPS_S3_BUCKET\) return null;/);
  assert.match(store, /cryptoUtil\.encryptBuffer\(compressed\)/, 'compressed and encrypted either way');
  assert.match(store, /'recordings\/' \+ userId \+ '\/'/, 'keys are scoped to their owner');
  assert.match(store, /WHERE id = \$1 AND user_id = \$2 AND expires_at > NOW\(\)/, 'ownership and expiry are in the query');
  assert.match(store, /cryptoUtil\.isEncryptedBuffer\(stored\) \? cryptoUtil\.decryptBuffer\(stored\) : stored/,
    'rows written before encryption still read back');

  // An expired row must take its object with it.
  assert.match(db, /DELETE FROM audio_backups WHERE expires_at < NOW\(\) RETURNING storage_key/);
  assert.match(db, /await store\.removeObject\(audio\.rows\[i\]\.storage_key\)/);
  assert.match(db, /ALTER TABLE audio_backups ADD COLUMN IF NOT EXISTS storage_key TEXT;/,
    'existing installations get the column too');
});