Add HyperFrames skills
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011h6NB8JQtfPc6eRCefEzBB
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import { test } from "node:test";
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import assert from "node:assert/strict";
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import {
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mkdirSync,
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mkdtempSync,
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readFileSync,
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writeFileSync,
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chmodSync,
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rmSync,
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existsSync,
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} from "node:fs";
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import { join, dirname } from "node:path";
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import { tmpdir } from "node:os";
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import {
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parseFfmpegDurationBanner,
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ffprobeDuration,
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synthesizeOne,
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synthesizeHeygen,
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synthResult,
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pickProvider,
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} from "./tts.mjs";
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test("parseFfmpegDurationBanner reads ffmpeg's stderr Duration line", () => {
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const stderr = [
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"ffmpeg version 6.0",
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"Input #0, wav, from 'a.wav':",
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" Duration: 00:00:03.42, bitrate: 705 kb/s",
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"At least one output file must be specified",
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].join("\n");
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assert.equal(parseFfmpegDurationBanner(stderr), 3.42);
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});
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test("parseFfmpegDurationBanner handles an hours component", () => {
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const stderr = " Duration: 01:02:03.50, start: 0.000000, bitrate: 128 kb/s";
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assert.equal(parseFfmpegDurationBanner(stderr), 3723.5);
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});
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test("parseFfmpegDurationBanner returns NaN when there is no Duration line", () => {
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assert.ok(Number.isNaN(parseFfmpegDurationBanner("ffmpeg: command not found")));
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assert.ok(Number.isNaN(parseFfmpegDurationBanner("")));
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assert.ok(Number.isNaN(parseFfmpegDurationBanner(undefined)));
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});
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// Regression for the actual bug: ffprobeDuration used to collapse "ffprobe
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// binary is missing" (ENOENT — the "essentials"-style Windows ffmpeg build
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// with no ffprobe.exe) and "file is genuinely unreadable" into the same NaN,
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// giving audio.mjs no way to tell "measure differently" from "give up".
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//
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// Builds an isolated PATH containing only a fake `ffmpeg` stub (no `ffprobe`
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// at all) so ffprobeDuration's spawnSync("ffprobe", ...) call ENOENTs for
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// real, then verifies it recovers the duration via the ffmpeg fallback
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// instead of returning NaN.
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test("ffprobeDuration falls back to ffmpeg when the ffprobe binary itself is missing", () => {
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const dir = mkdtempSync(join(tmpdir(), "tts-ffprobe-fallback-"));
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const fakeFfmpeg = join(dir, "ffmpeg");
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writeFileSync(
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fakeFfmpeg,
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"#!/bin/sh\necho 'Duration: 00:00:02.50, start: 0.000000, bitrate: 128 kb/s' 1>&2\nexit 1\n",
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);
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chmodSync(fakeFfmpeg, 0o755);
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const originalPath = process.env.PATH;
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try {
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process.env.PATH = dir; // only the fake ffmpeg resolves; no real ffprobe on this PATH
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assert.equal(ffprobeDuration("/does/not/matter.wav"), 2.5);
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} finally {
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process.env.PATH = originalPath;
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rmSync(dir, { recursive: true, force: true });
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}
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});
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test("ffprobeDuration returns NaN when neither ffprobe nor ffmpeg resolve", () => {
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const dir = mkdtempSync(join(tmpdir(), "tts-no-binaries-"));
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const originalPath = process.env.PATH;
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try {
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process.env.PATH = dir; // empty directory — nothing resolves
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assert.ok(Number.isNaN(ffprobeDuration("/does/not/matter.wav")));
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} finally {
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process.env.PATH = originalPath;
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rmSync(dir, { recursive: true, force: true });
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}
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});
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test("synthesizeOne(elevenlabs) creates the output dir before writing", async () => {
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const dir = mkdtempSync(join(tmpdir(), "tts-el-mkdir-"));
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const wavAbs = join(dir, "assets", "voice", "line-0.wav"); // nested, not yet created
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const savedKey = process.env.ELEVENLABS_API_KEY;
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try {
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// Unset the key so the Python side fails fast — the mkdir must run before
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// the spawn regardless, which is what this guards.
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delete process.env.ELEVENLABS_API_KEY;
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await synthesizeOne({
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provider: "elevenlabs",
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text: "hi",
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voiceId: "v",
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wavAbs,
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hyperframesDir: dir,
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});
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assert.ok(existsSync(dirname(wavAbs)), "output directory should be created");
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} finally {
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if (savedKey === undefined) delete process.env.ELEVENLABS_API_KEY;
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else process.env.ELEVENLABS_API_KEY = savedKey;
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rmSync(dir, { recursive: true, force: true });
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}
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});
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test("synthesizeHeygen surfaces a thrown HTTP error (e.g. 402) instead of swallowing it", async () => {
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const res = await synthesizeHeygen(
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{ text: "hi", voiceId: "v1", lang: "en", speed: 1, wavAbs: "/tmp/x.wav" },
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{
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heygenAuthHeaders: () => ({}),
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heygenJSON: async () => {
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throw new Error("HeyGen POST /voices/speech → HTTP 402\nplan_upgrade_required");
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},
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},
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);
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assert.equal(res.ok, false);
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assert.match(res.error, /402/);
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assert.match(res.error, /plan_upgrade_required/);
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});
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test("synthesizeHeygen surfaces a failed audio_url fetch with its status", async () => {
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const res = await synthesizeHeygen(
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{ text: "hi", voiceId: "v1", lang: "en", speed: 1, wavAbs: "/tmp/x.wav" },
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{
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heygenAuthHeaders: () => ({}),
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heygenJSON: async () => ({ data: { audio_url: "http://audio.example/x" } }),
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fetch: async () => ({ ok: false, status: 403 }),
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},
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);
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assert.equal(res.ok, false);
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assert.match(res.error, /HTTP 403/);
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});
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test("synthesizeHeygen reports a missing audio_url", async () => {
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const res = await synthesizeHeygen(
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{ text: "hi", voiceId: "v1", lang: "en", speed: 1, wavAbs: "/tmp/x.wav" },
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{ heygenAuthHeaders: () => ({}), heygenJSON: async () => ({}) },
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);
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assert.equal(res.ok, false);
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assert.match(res.error, /no audio_url/);
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});
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test("synthesizeHeygen reports wav transcode failures", async () => {
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const dir = mkdtempSync(join(tmpdir(), "hf-tts-test-"));
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try {
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const res = await synthesizeHeygen(
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{ text: "hi", voiceId: "v1", lang: "en", speed: 1, wavAbs: join(dir, "voice.wav") },
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{
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heygenAuthHeaders: () => ({}),
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heygenJSON: async () => ({ data: { audio_url: "http://audio.example/x" } }),
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fetch: async () => ({ ok: true, status: 200, arrayBuffer: async () => new ArrayBuffer(0) }),
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transcodeToWav: () => false,
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},
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);
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assert.equal(res.ok, false);
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assert.equal(res.error, "wav transcode failed (ffmpeg)");
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} finally {
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rmSync(dir, { recursive: true, force: true });
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}
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});
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test("synthResult names a non-zero subprocess exit", () => {
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const res = synthResult({ status: 2 }, "/tmp/none.wav", "kokoro (npx hyperframes tts)");
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assert.equal(res.ok, false);
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assert.match(res.error, /kokoro .* exited with status 2/);
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});
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// Kokoro shells out to `npx hyperframes tts`; a fake npx on PATH records the argv
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// synthesizeOne really builds, so a dropped flag fails here. Windows runs npx via
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// node directly, so the stub never resolves there.
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async function kokoroArgv(options) {
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const dir = mkdtempSync(join(tmpdir(), "tts-kokoro-argv-"));
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const argvLog = join(dir, "argv.txt");
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writeFileSync(join(dir, "npx"), `#!/bin/sh\nprintf '%s\\n' "$@" > "${argvLog}"\n`);
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chmodSync(join(dir, "npx"), 0o755);
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const originalPath = process.env.PATH;
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try {
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process.env.PATH = dir;
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await synthesizeOne({
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provider: "kokoro",
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text: "hi",
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voiceId: "am_michael",
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wavAbs: join(dir, "line-0.wav"),
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hyperframesDir: dir,
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...options,
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});
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return readFileSync(argvLog, "utf8").trim().split("\n");
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} finally {
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process.env.PATH = originalPath;
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rmSync(dir, { recursive: true, force: true });
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}
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}
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test(
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"synthesizeOne(kokoro) forwards a non-default speed to the CLI",
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{ skip: process.platform === "win32" },
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async () => {
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const argv = await kokoroArgv({ speed: 0.8, lang: "es" });
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assert.deepEqual(argv.slice(-4), ["--lang", "es", "--speed", "0.8"]);
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},
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);
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test(
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"synthesizeOne(kokoro) leaves --speed off at the default",
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{ skip: process.platform === "win32" },
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async () => {
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assert.ok(!(await kokoroArgv({})).includes("--speed"));
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},
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);
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test("pickProvider heygen with an unreadable credentials path says to fix that path", () => {
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const saved = ["HEYGEN_API_KEY", "HYPERFRAMES_API_KEY", "HEYGEN_CONFIG_DIR"].map((k) => [
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k,
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process.env[k],
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]);
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const dir = mkdtempSync(join(tmpdir(), "tts-cred-"));
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try {
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delete process.env.HEYGEN_API_KEY;
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delete process.env.HYPERFRAMES_API_KEY;
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process.env.HEYGEN_CONFIG_DIR = dir;
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mkdirSync(join(dir, "credentials"));
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assert.throws(() => pickProvider("heygen"), /fix or remove that path/);
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} finally {
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for (const [k, v] of saved) {
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if (v === undefined) delete process.env[k];
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else process.env[k] = v;
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}
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rmSync(dir, { recursive: true, force: true });
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}
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});
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