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video.js/test/unit/tracks/audio-track.test.js

123 lines
3.6 KiB
JavaScript

/* eslint-env qunit */
import AudioTrack from '../../../src/js/tracks/audio-track.js';
import {AudioTrackKind} from '../../../src/js/tracks/track-enums.js';
import TrackBaseline from './track-baseline';
QUnit.module('Audio Track');
// do baseline track testing
TrackBaseline(AudioTrack, {
id: '1',
language: 'en',
label: 'English',
kind: 'main'
});
QUnit.test('can create an enabled propert on an AudioTrack', function(assert) {
const enabled = true;
const track = new AudioTrack({
enabled
});
assert.equal(track.enabled, enabled, 'enabled value matches what we passed in');
});
QUnit.test('defaults when items not provided', function(assert) {
const track = new AudioTrack();
assert.equal(track.kind, '', 'kind defaulted to empty string');
assert.equal(track.enabled, false, 'enabled defaulted to true since there is one track');
assert.equal(track.label, '', 'label defaults to empty string');
assert.equal(track.language, '', 'language defaults to empty string');
assert.ok(track.id.match(/vjs_track_\d+/), 'id defaults to vjs_track_GUID');
});
QUnit.test('kind can only be one of several options, defaults to empty string', function(assert) {
const track1 = new AudioTrack({
kind: 'foo'
});
assert.equal(track1.kind, '', 'the kind is set to empty string, not foo');
assert.notEqual(track1.kind, 'foo', 'the kind is set to empty string, not foo');
// loop through all possible kinds to verify
for (const key in AudioTrackKind) {
const currentKind = AudioTrackKind[key];
const track = new AudioTrack({
kind: currentKind
});
assert.equal(track.kind, currentKind, 'the kind is set to ' + currentKind);
}
});
QUnit.test('enabled can only be instantiated to true or false, defaults to false', function(assert) {
let track = new AudioTrack({
enabled: 'foo'
});
assert.equal(track.enabled, false, 'the enabled value is set to false, not foo');
assert.notEqual(track.enabled, 'foo', 'the enabled value is not set to foo');
track = new AudioTrack({
enabled: true
});
assert.equal(track.enabled, true, 'the enabled value is set to true');
track = new AudioTrack({
enabled: false
});
assert.equal(track.enabled, false, 'the enabled value is set to false');
});
QUnit.test('enabled can only be changed to true or false', function(assert) {
const track = new AudioTrack();
track.enabled = 'foo';
assert.notEqual(track.enabled, 'foo', 'enabled not set to invalid value, foo');
assert.equal(track.enabled, false, 'enabled remains on the old value, false');
track.enabled = true;
assert.equal(track.enabled, true, 'enabled was set to true');
track.enabled = 'baz';
assert.notEqual(track.enabled, 'baz', 'enabled not set to invalid value, baz');
assert.equal(track.enabled, true, 'enabled remains on the old value, true');
track.enabled = false;
assert.equal(track.enabled, false, 'enabled was set to false');
});
QUnit.test('when enabled is changed enabledchange event is fired', function(assert) {
const track = new AudioTrack({
tech: this.tech,
enabled: false
});
let eventsTriggered = 0;
track.addEventListener('enabledchange', () => {
eventsTriggered++;
});
// two events
track.enabled = true;
track.enabled = false;
assert.equal(eventsTriggered, 2, 'two enabled changes');
// no event here
track.enabled = false;
track.enabled = false;
assert.equal(eventsTriggered, 2, 'still two enabled changes');
// one event
track.enabled = true;
assert.equal(eventsTriggered, 3, 'three enabled changes');
// no events
track.enabled = true;
track.enabled = true;
assert.equal(eventsTriggered, 3, 'still three enabled changes');
});