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---

import AbrController from '../../../src/controller/abr-controller';
import EwmaBandWidthEstimator from '../../../src/utils/ewma-bandwidth-estimator';
import Hls from '../../../src/hls';

describe('AbrController', function () {
  it('should return null if _bwEstimator is not specified', function () {
    let hls = new Hls();
    expect(hls.abrController._bwEstimator).to.be.null;
  });

  it('should return correct next auto level', function () {
    let hls = new Hls({ maxStarvationDelay: 4 });
    hls.levelController._levels = [
      { bitrate: 105000, name: '144', details: { totalduration: 4, fragments: [{}] } },
      { bitrate: 246440, name: '240', details: { totalduration: 10, fragments: [ {} ] } },
      { bitrate: 460560, name: '380', details: { totalduration: 10, fragments: [ {} ] } },
      { bitrate: 836280, name: '480', details: { totalduration: 10, fragments: [ {} ] } },
      { bitrate: 2149280, name: '720', details: { totalduration: 10, fragments: [ {} ] } },
      { bitrate: 6221600, name: '1080', details: { totalduration: 10, fragments: [ {} ] } }
    ];
    let abrController = new AbrController(hls);
    abrController.bwEstimator = new EwmaBandWidthEstimator(hls, 15, 4, 5e5);
    expect(abrController.nextAutoLevel).to.equal(0);
  });
});