pediatric-ai-scribe-v3/test/tts-provider.test.js
2026-05-08 06:00:33 +02:00

79 lines
2.9 KiB
JavaScript

const { test } = require('node:test');
const assert = require('node:assert/strict');
const ENV_KEYS = ['TTS_PROVIDER', 'LITELLM_API_BASE', 'LITELLM_API_KEY', 'ELEVENLABS_API_KEY', 'GOOGLE_VERTEX_PROJECT'];
function withEnv(overrides, fn) {
const previous = {};
ENV_KEYS.forEach((key) => { previous[key] = process.env[key]; delete process.env[key]; });
Object.entries(overrides).forEach(([key, value]) => { process.env[key] = value; });
try {
return fn();
} finally {
ENV_KEYS.forEach((key) => {
if (previous[key] === undefined) delete process.env[key];
else process.env[key] = previous[key];
});
}
}
test('TTS provider defaults to LiteLLM when gateway is configured', () => {
const ttsProvider = require('../src/utils/ttsProvider');
withEnv({ LITELLM_API_BASE: 'https://llm.example.com' }, () => {
assert.equal(ttsProvider.getTTSEnvProvider(), 'auto');
assert.equal(ttsProvider.getTTSProvider(), 'litellm');
});
});
test('TTS provider respects explicit provider override', () => {
const ttsProvider = require('../src/utils/ttsProvider');
withEnv({ TTS_PROVIDER: 'elevenlabs', LITELLM_API_BASE: 'https://llm.example.com' }, () => {
assert.equal(ttsProvider.getTTSEnvProvider(), 'elevenlabs');
assert.equal(ttsProvider.getTTSProvider(), 'elevenlabs');
});
});
test('LiteLLM TTS voice list stays OpenAI-compatible', () => {
const ttsProvider = require('../src/utils/ttsProvider');
assert.deepEqual(ttsProvider.getTTSVoiceLists().litellm, [
'alloy',
'echo',
'fable',
'onyx',
'nova',
'shimmer',
'ash',
'sage',
'coral'
]);
});
test('TTS model discovery keeps OpenAI speech models only', () => {
const ttsProvider = require('../src/utils/ttsProvider');
assert.equal(ttsProvider.isOpenAITTSModel('openai/tts-1'), true);
assert.equal(ttsProvider.isOpenAITTSModel('openai-tts-1-hd'), true);
assert.equal(ttsProvider.isOpenAITTSModel('openai-gpt-4o-mini-tts'), true);
assert.equal(ttsProvider.isOpenAITTSModel('mistral-voxtral-mini-tts'), false);
assert.equal(ttsProvider.isOpenAITTSModel('vertex-gemini-2.5-flash-tts'), false);
});
test('LiteLLM TTS model extraction filters gateway model objects', () => {
const ttsProvider = require('../src/utils/ttsProvider');
assert.deepEqual(ttsProvider.getLiteLLMTTSModels([
{ id: 'openai-tts-1' },
{ id: 'mistral-voxtral-mini-tts' },
{ id: 'openai-gpt-4o-mini-tts' },
{ id: 'vertex-gemini-2.5-flash-tts' },
{ id: 'gpt-4.1' }
]), ['openai-tts-1', 'openai-gpt-4o-mini-tts']);
});
test('LiteLLM headers include optional content type without exposing key value', () => {
const ttsProvider = require('../src/utils/ttsProvider');
withEnv({ LITELLM_API_KEY: 'secret-token' }, () => {
assert.deepEqual(ttsProvider.getLiteLLMHeaders('application/json'), {
'Content-Type': 'application/json',
Authorization: 'Bearer secret-token'
});
});
});