area-51/lib/video.js-main/test/unit/control-bar/playback-rate-menu/playback-rate-menu-button.test.js
2025-01-30 04:21:55 +01:00

61 lines
2.4 KiB
JavaScript

/* eslint-env qunit */
import TestHelpers from '../../test-helpers.js';
QUnit.module('PlaybackRateMenuButton', {
beforeEach(assert) {
this.player = TestHelpers.makePlayer({
playbackRates: [1, 2, 3]
});
this.button = this.player.controlBar.playbackRateMenuButton;
},
afterEach(assert) {
this.player.dispose();
}
});
QUnit.test('playback rate default value', function(assert) {
const currentRate = this.player.playbackRate();
assert.strictEqual(currentRate, 1, 'Playbackrate begins with value 1"');
});
QUnit.test('is visible when playback rates are configured and the tech supports playback rates', function(assert) {
assert.expect(1);
assert.notOk(this.button.hasClass('vjs-hidden'), 'does not have the vjs-hidden class');
});
QUnit.test('is not visible if no playback rates are configured', function(assert) {
assert.expect(1);
this.player.playbackRates([]);
assert.ok(this.button.hasClass('vjs-hidden'), 'has the vjs-hidden class');
});
QUnit.test('is not visible if the tech does not support playback rates', function(assert) {
assert.expect(1);
this.player.tech_.featuresPlaybackRate = false;
// loadstart is needed to update the hidden state.
this.player.trigger('loadstart');
assert.ok(this.button.hasClass('vjs-hidden'), 'has the vjs-hidden class');
});
QUnit.test('label is updated when playback rate changes', function(assert) {
assert.expect(4);
assert.strictEqual(this.button.labelEl_.textContent, '1x', 'the default label content is "1x"');
this.player.playbackRate(2);
assert.strictEqual(this.button.labelEl_.textContent, '2x', 'the label content is now "2x"');
this.player.playbackRate(3);
assert.strictEqual(this.button.labelEl_.textContent, '3x', 'the label content is now "3x"');
this.player.playbackRate(4);
assert.strictEqual(this.button.labelEl_.textContent, '4x', 'the playback rate (and label content) can change to values that are not in the rates available in the menu');
});
QUnit.test('menu is updated when playback rates configuration changes', function(assert) {
assert.expect(2);
const getItemLabels = () => this.button.menu.children().map(item => item.label);
assert.deepEqual(getItemLabels(), ['3x', '2x', '1x'], 'the initial list of items is as expected');
this.player.playbackRates([1, 1.5, 2, 5]);
assert.deepEqual(getItemLabels(), ['5x', '2x', '1.5x', '1x'], 'the list of items was updated');
});