mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-17 16:26:39 +03:00
Joey Parrish
64896d70b0
This reflects changes in Google's policy on JavaScript license headers, which should be smaller to avoid increasing the size of the binary unnecessarily. This also updates the company name from "Google, Inc" to "Google LLC". Change-Id: I3f8b9ed3700b6351f43173d50c94d35c333e82b4
114 lines
3.4 KiB
JavaScript
114 lines
3.4 KiB
JavaScript
/** @license
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* Copyright 2016 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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describe('PlayRateController', () => {
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/** @type {!jasmine.Spy} */
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let getPlayRateSpy;
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/** @type {!jasmine.Spy} */
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let setPlayRateSpy;
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/** @type {!jasmine.Spy} */
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let movePlayheadSpy;
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/** @type {number} */
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let playRate;
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/** @type {!shaka.media.PlayRateController} */
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let controller;
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beforeEach(() => {
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getPlayRateSpy = jasmine.createSpy('getPlaybackRate');
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setPlayRateSpy = jasmine.createSpy('setPlaybackRate');
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movePlayheadSpy = jasmine.createSpy('movePlayhead');
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playRate = 1;
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getPlayRateSpy.and.callFake(() => playRate);
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setPlayRateSpy.and.callFake((rate) => {
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playRate = rate;
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});
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const harness = {
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getRate: shaka.test.Util.spyFunc(getPlayRateSpy),
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setRate: shaka.test.Util.spyFunc(setPlayRateSpy),
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movePlayhead: shaka.test.Util.spyFunc(movePlayheadSpy),
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};
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controller = new shaka.media.PlayRateController(harness);
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});
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// When the playback rate is positive, we want to see that the media element's
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// playback rate gets set to the playback rate.
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it('positive playback rate', () => {
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controller.set(5);
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expect(setPlayRateSpy).toHaveBeenCalledWith(5);
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});
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// When the playback rate is negative, we want to see the media element's
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// playback rate get set to zero.
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it('negative playback rate', () => {
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controller.set(-5);
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expect(setPlayRateSpy).toHaveBeenCalledWith(0);
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});
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it('buffering state sets rate to zero', () => {
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controller.setBuffering(true);
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expect(setPlayRateSpy).toHaveBeenCalledWith(0);
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setPlayRateSpy.calls.reset();
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controller.setBuffering(false);
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expect(setPlayRateSpy).toHaveBeenCalledWith(1);
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});
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it('entering buffering state twice has no effect', () => {
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controller.setBuffering(true);
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expect(setPlayRateSpy).toHaveBeenCalledWith(0);
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// Reset the calls so that we can make sure it was not called again.
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setPlayRateSpy.calls.reset();
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controller.setBuffering(true);
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expect(setPlayRateSpy).not.toHaveBeenCalled();
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});
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it('leaving buffering state twice has no effect', () => {
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controller.setBuffering(true);
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controller.setBuffering(false);
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// Reset the calls so that we can make sure it was not called again.
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setPlayRateSpy.calls.reset();
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controller.setBuffering(false);
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expect(setPlayRateSpy).not.toHaveBeenCalled();
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});
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// When we set the rate while in a buffering state, we should see the new
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// rate be used once we leave the buffering state.
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it('set takes effect after buffering state ends', () => {
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controller.setBuffering(true);
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expect(setPlayRateSpy).toHaveBeenCalledWith(0);
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// Reset so that we can make sure it was not called after we call |set(4)|.
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setPlayRateSpy.calls.reset();
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controller.set(4);
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expect(setPlayRateSpy).not.toHaveBeenCalled();
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controller.setBuffering(false);
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expect(setPlayRateSpy).toHaveBeenCalledWith(4);
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});
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// Make sure that when the playback rate set, if the new rate matches the
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// current rate, the controller will not set the rate on the media element.
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it('does not redundently set the playrate', () => {
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// Make sure we don't see the play rate change before and after we set the
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// rate on the controller.
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expect(setPlayRateSpy).not.toHaveBeenCalled();
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controller.set(1);
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expect(setPlayRateSpy).not.toHaveBeenCalled();
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});
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});
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