await rm(tempStateDir, { recursive: true, force: true });

});

function firstFetchCall(): unknown[] {

const call = vi.mocked(globalThis.fetch).mock.calls.at(0);

if (!call) {

throw new Error("Expected MiniMax TTS fetch call");

}

return call as unknown[];

}

function firstFetchInit(): RequestInit | undefined {

return firstFetchCall().at(1) as RequestInit | undefined;

}

function firstFetchBody(): Record<string, unknown> {

const init = firstFetchInit();

if (typeof init?.body !== "string") {

throw new Error("Expected MiniMax TTS fetch init body");

}

return JSON.parse(init.body) as Record<string, unknown>;

}

it("makes correct API call and decodes hex response", async () => {

const hexAudio = Buffer.from("fake-audio-data").toString("hex");

const mockFetch = vi.mocked(globalThis.fetch);

expect(result.audioBuffer.toString()).toBe("fake-audio-data");

expect(mockFetch).toHaveBeenCalledOnce();

const [url, init] = mockFetch.mock.calls[0];

const url = firstFetchCall().at(0);

expect(url).toBe("https://api.minimaxi.com/v1/t2a_v2");

if (!init?.body) {

throw new Error("Expected MiniMax TTS fetch init body");

}

const body = JSON.parse(init.body as string);

const body = firstFetchBody();

expect(body.model).toBe("speech-2.8-hd");

expect(body.text).toBe("Hello world");

expect(body.voice_setting.voice_id).toBe("English_expressive_narrator");

expect((body.voice_setting as Record<string, unknown>).voice_id).toBe(

"English_expressive_narrator",

);

expect(transcodeAudioBufferToOpusMock).not.toHaveBeenCalled();

});

timeoutMs: 30000,

});

const body = JSON.parse(vi.mocked(globalThis.fetch).mock.calls[0][1]!.body as string);

const body = firstFetchBody();

expect(body.model).toBe("speech-01-240228");

expect(body.voice_setting.voice_id).toBe("custom_voice");

expect(body.voice_setting.speed).toBe(1.5);

expect(body.voice_setting.vol).toBe(1.5);

expect(body.voice_setting.pitch).toBe(0);

const voiceSetting = body.voice_setting as Record<string, unknown>;

expect(voiceSetting.voice_id).toBe("custom_voice");

expect(voiceSetting.speed).toBe(1.5);

expect(voiceSetting.vol).toBe(1.5);

expect(voiceSetting.pitch).toBe(0);

});

it("uses a MiniMax Token Plan env var when no API key is configured", async () => {

timeoutMs: 30000,

});

const [, init] = vi.mocked(globalThis.fetch).mock.calls[0];

const init = firstFetchInit();

expect(init?.headers).toEqual({

Authorization: "Bearer sk-cp-env",

"Content-Type": "application/json",

timeoutMs: 30000,

});

const [url, init] = vi.mocked(globalThis.fetch).mock.calls[0];

const url = firstFetchCall().at(0);

const init = firstFetchInit();

expect(url).toBe("https://api.minimaxi.com/v1/t2a_v2");

expect(init?.headers).toEqual({

Authorization: "Bearer portal-token",