export {}

describe('video-transcode-queue', () => {
  const originalEnv = process.env

  afterEach(() => {
    process.env = originalEnv
    jest.resetModules()
  })

  it('无参创建单例时会读取 VIDEO_TRANSCODE_MAX_CONCURRENT', async () => {
    process.env = {
      ...originalEnv,
      VIDEO_TRANSCODE_MAX_CONCURRENT: '3',
    }
    jest.resetModules()

    const { transcodeQueue } = await import('../video-transcode-queue')

    expect(transcodeQueue.getStatus().maxConcurrent).toBe(3)
  })

  it('非法并发配置会回退为 1，保护低性能私有化环境', async () => {
    process.env = {
      ...originalEnv,
      VIDEO_TRANSCODE_MAX_CONCURRENT: '0',
    }
    jest.resetModules()

    const { transcodeQueue } = await import('../video-transcode-queue')

    expect(transcodeQueue.getStatus().maxConcurrent).toBe(1)
  })
})