life-echo/app-expo/tests/core/audio/audio-focus.test.ts

/* eslint-disable import/first */

const mockSetAudioModeAsync = jest.fn().mockResolvedValue(undefined);
const mockSetIsAudioActiveAsync = jest.fn().mockResolvedValue(undefined);

jest.mock('expo-audio', () => ({
  setAudioModeAsync: (...args: unknown[]) => mockSetAudioModeAsync(...args),
  setIsAudioActiveAsync: (...args: unknown[]) =>
    mockSetIsAudioActiveAsync(...args),
}));

import { audioFocus } from '@/core/audio/audio-focus';

describe('audioFocus', () => {
  beforeEach(async () => {
    mockSetAudioModeAsync.mockClear();
    mockSetIsAudioActiveAsync.mockClear();
    await audioFocus.release();
    mockSetAudioModeAsync.mockClear();
    mockSetIsAudioActiveAsync.mockClear();
  });

  test('acquires focus for recording', async () => {
    const result = await audioFocus.acquireForRecording();

    expect(result).toBe(true);
    expect(audioFocus.isRecording()).toBe(true);
    expect(audioFocus.getCurrentOwner()).toBe('recorder');
    expect(mockSetAudioModeAsync).toHaveBeenCalledWith({
      playsInSilentMode: true,
      allowsRecording: true,
    });
  });

  test('acquires focus for playback', async () => {
    const result = await audioFocus.acquireForPlayback();

    expect(result).toBe(true);
    expect(audioFocus.isPlaying()).toBe(true);
    expect(audioFocus.getCurrentOwner()).toBe('player');
  });

  test('playback cannot steal focus from recorder', async () => {
    await audioFocus.acquireForRecording();
    const result = await audioFocus.acquireForPlayback();

    expect(result).toBe(false);
    expect(audioFocus.isRecording()).toBe(true);
  });

  test('recording releases playback before acquiring', async () => {
    await audioFocus.acquireForPlayback();
    expect(audioFocus.isPlaying()).toBe(true);

    await audioFocus.acquireForRecording();
    expect(audioFocus.isRecording()).toBe(true);
    expect(audioFocus.isPlaying()).toBe(false);
  });

  test('releaseIfOwnedBy does not clear another owner', async () => {
    await audioFocus.acquireForRecording();

    await audioFocus.releaseIfOwnedBy('player');
    expect(audioFocus.isRecording()).toBe(true);
    expect(audioFocus.getCurrentOwner()).toBe('recorder');

    await audioFocus.releaseIfOwnedBy('recorder');
    expect(audioFocus.getCurrentOwner()).toBeNull();
  });

  test('release deactivates the native audio session', async () => {
    await audioFocus.acquireForPlayback();

    await audioFocus.release();

    expect(mockSetIsAudioActiveAsync).toHaveBeenCalledWith(false);
    expect(audioFocus.getCurrentOwner()).toBeNull();
  });

  test('notifies listeners on owner change', async () => {
    const listener = jest.fn();
    const unsub = audioFocus.onOwnerChange(listener);

    await audioFocus.acquireForRecording();
    expect(listener).toHaveBeenCalledWith('recorder');

    await audioFocus.release();
    expect(listener).toHaveBeenCalledWith(null);

    unsub();
    await audioFocus.acquireForPlayback();
    expect(listener).toHaveBeenCalledTimes(2);
  });
});