OmniRoute/tests/unit/elevenlabs-native-routes.test.ts

import test from "node:test";
import assert from "node:assert/strict";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";

const TEST_DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-elevenlabs-native-"));
process.env.DATA_DIR = TEST_DATA_DIR;
process.env.API_KEY_SECRET =
  process.env.API_KEY_SECRET || "elevenlabs-native-route-test-secret";

const core = await import("../../src/lib/db/core.ts");
const readCache = await import("../../src/lib/db/readCache.ts");
const voicesRoute = await import("../../src/app/api/v1/voices/route.ts");
const speechRoute = await import(
  "../../src/app/api/v1/text-to-speech/[voiceId]/route.ts"
);
const transcriptionRoute = await import(
  "../../src/app/api/v1/speech-to-text/route.ts"
);
const originalFetch = globalThis.fetch;
const API_KEY = "test-elevenlabs-key";

function seedCredential() {
  const now = new Date().toISOString();
  core
    .getDbInstance()
    .prepare(
      `INSERT OR REPLACE INTO provider_connections
         (id, provider, auth_type, is_active, api_key, created_at, updated_at)
       VALUES (?, ?, ?, ?, ?, ?, ?)`
    )
    .run("elevenlabs-native-test", "elevenlabs", "apikey", 1, API_KEY, now, now);
  readCache.invalidateDbCache("connections");
}

function clearCredentials() {
  core.getDbInstance().prepare("DELETE FROM provider_connections WHERE provider = ?").run(
    "elevenlabs"
  );
  readCache.invalidateDbCache("connections");
}

test.beforeEach(async () => {
  await core.ensureDbInitialized();
  seedCredential();
});

test.afterEach(() => {
  globalThis.fetch = originalFetch;
});

test.after(() => {
  globalThis.fetch = originalFetch;
  core.resetDbInstance();
  fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
});

test("GET /v1/voices forwards query and stored xi-api-key", async () => {
  globalThis.fetch = (async (input: RequestInfo | URL, init?: RequestInit) => {
    assert.equal(String(input), "https://api.elevenlabs.io/v1/voices?show_legacy=true");
    const headers = new Headers(init?.headers);
    assert.equal(headers.get("xi-api-key"), API_KEY);
    assert.equal(headers.has("authorization"), false);
    return Response.json({ voices: [{ voice_id: "voice_1" }] });
  }) as typeof fetch;

  const response = await voicesRoute.GET(
    new Request("http://localhost/v1/voices?show_legacy=true")
  );
  assert.equal(response.status, 200);
  assert.equal(response.headers.get("content-type"), "application/json");
  assert.deepEqual(await response.json(), { voices: [{ voice_id: "voice_1" }] });
});

test("POST /v1/text-to-speech/[voiceId] forwards JSON and binary response", async () => {
  const payload = JSON.stringify({ text: "Hello", model_id: "eleven_turbo_v2_5" });
  globalThis.fetch = (async (input: RequestInfo | URL, init?: RequestInit) => {
    assert.equal(
      String(input),
      "https://api.elevenlabs.io/v1/text-to-speech/voice_123?output_format=mp3_44100_128"
    );
    assert.equal(init?.method, "POST");
    assert.equal(new Headers(init?.headers).get("content-type"), "application/json");
    assert.equal(await new Response(init?.body).text(), payload);
    return new Response(Uint8Array.from([1, 2, 3]), {
      headers: { "Content-Type": "audio/mpeg" },
    });
  }) as typeof fetch;

  const response = await speechRoute.POST(
    new Request(
      "http://localhost/v1/text-to-speech/voice_123?output_format=mp3_44100_128",
      {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: payload,
      }
    ),
    { params: Promise.resolve({ voiceId: "voice_123" }) }
  );
  assert.equal(response.status, 200);
  assert.equal(response.headers.get("content-type"), "audio/mpeg");
  assert.deepEqual(new Uint8Array(await response.arrayBuffer()), Uint8Array.from([1, 2, 3]));
});

test("POST /v1/speech-to-text forwards multipart body, query, status and error body", async () => {
  const form = new FormData();
  form.set("model_id", "scribe_v1");
  form.set("file", new Blob(["audio"], { type: "audio/wav" }), "sample.wav");

  globalThis.fetch = (async (input: RequestInfo | URL, init?: RequestInit) => {
    assert.equal(
      String(input),
      "https://api.elevenlabs.io/v1/speech-to-text?tag_audio_events=true"
    );
    const contentType = new Headers(init?.headers).get("content-type");
    assert.match(contentType || "", /^multipart\/form-data; boundary=/);
    const forwarded = await new Response(init?.body, {
      headers: { "Content-Type": contentType || "" },
    }).formData();
    assert.equal(forwarded.get("model_id"), "scribe_v1");
    assert.equal(await (forwarded.get("file") as Blob).text(), "audio");
    return Response.json({ detail: { message: "unsupported audio" } }, { status: 422 });
  }) as typeof fetch;

  const response = await transcriptionRoute.POST(
    new Request("http://localhost/v1/speech-to-text?tag_audio_events=true", {
      method: "POST",
      body: form,
    })
  );
  assert.equal(response.status, 422);
  assert.deepEqual(await response.json(), { detail: { message: "unsupported audio" } });
});

test("native ElevenLabs routes reject missing credentials and traversal", async (t) => {
  await t.test("missing credential", async () => {
    clearCredentials();
    let fetched = false;
    globalThis.fetch = (async () => {
      fetched = true;
      return new Response();
    }) as typeof fetch;

    const response = await voicesRoute.GET(new Request("http://localhost/v1/voices"));
    assert.equal(response.status, 401);
    assert.equal(fetched, false);
    assert.match((await response.json()).error.message, /No credentials for provider: elevenlabs/);
  });

  await t.test("traversal voice ID", async () => {
    seedCredential();
    let fetched = false;
    globalThis.fetch = (async () => {
      fetched = true;
      return new Response();
    }) as typeof fetch;

    const response = await speechRoute.POST(
      new Request("http://localhost/v1/text-to-speech/..%2Fvoices", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: "{}",
      }),
      { params: Promise.resolve({ voiceId: "../voices" }) }
    );
    assert.equal(response.status, 400);
    assert.equal(fetched, false);
    assert.match((await response.json()).error.message, /Invalid ElevenLabs voice ID/);
  });
});