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video.js/test/unit/poster.test.js
mister-ben 3accbc7c73
fix: Set alt attr on poster img (#8043)
* fix: Set alt attr on poster img

* use null alt instead

* remove debug text
2023-01-24 09:59:27 +01:00

107 lines
3.5 KiB
JavaScript

/* eslint-env qunit */
import PosterImage from '../../src/js/poster-image.js';
import TestHelpers from './test-helpers.js';
import document from 'global/document';
QUnit.module('PosterImage', {
beforeEach() {
// Store the original background support so we can test different vals
this.poster1 = '#poster1';
this.poster2 = '#poster2';
this.mockPlayer = TestHelpers.makePlayer({
poster: this.poster1
});
},
afterEach() {}
});
QUnit.test('should create and update a poster image', function(assert) {
const posterImage = new PosterImage(this.mockPlayer);
let pictureImg = posterImage.$('img').src;
assert.notEqual(pictureImg.indexOf(this.poster1), -1, 'Background image used');
// Update with a new poster source and check the new value
this.mockPlayer.poster_ = this.poster2;
this.mockPlayer.trigger('posterchange');
pictureImg = posterImage.$('img').src;
assert.notEqual(pictureImg.indexOf(this.poster2), -1, 'Background image updated');
posterImage.dispose();
});
QUnit.test('should mirror crossOrigin', function(assert) {
assert.strictEqual(this.mockPlayer.posterImage.$('img').crossOrigin, null, 'crossOrigin not set when not present in options');
assert.strictEqual(this.mockPlayer.posterImage.crossOrigin(), null, 'crossOrigin not set from getter when not present in options');
this.mockPlayer.crossOrigin('anonymous');
assert.strictEqual(this.mockPlayer.posterImage.$('img').crossOrigin, 'anonymous', 'crossOrigin updated');
assert.strictEqual(this.mockPlayer.posterImage.crossOrigin(), 'anonymous', 'crossOrigin getter returns updated value');
});
QUnit.test('should populate an alt attribute', function(assert) {
const posterImage = new PosterImage(this.mockPlayer);
assert.ok(posterImage.$('img').hasAttribute('alt'), 'img has alt atttribute');
});
QUnit.test('should remove itself from the document flow when there is no poster', function(assert) {
const posterImage = new PosterImage(this.mockPlayer);
assert.equal(posterImage.el().style.display, '', 'Poster image shows by default');
// Update with an empty string
this.mockPlayer.poster_ = '';
this.mockPlayer.trigger('posterchange');
assert.equal(
posterImage.hasClass('vjs-hidden'),
true,
'Poster image hides with an empty source'
);
// Updated with a valid source
this.mockPlayer.poster_ = this.poster2;
this.mockPlayer.trigger('posterchange');
assert.equal(
posterImage.hasClass('vjs-hidden'),
false,
'Poster image shows again when there is a source'
);
posterImage.dispose();
});
QUnit.test('should hide the poster in the appropriate player states', function(assert) {
const posterImage = new PosterImage(this.mockPlayer);
const playerDiv = document.createElement('div');
const fixture = document.getElementById('qunit-fixture');
const el = posterImage.el();
// Remove the source so when we add to the DOM it doesn't throw an error
// We want to poster to still think it has a real source so it doesn't hide itself
posterImage.setSrc('');
// Add the elements to the DOM so styles are computed
playerDiv.appendChild(el);
fixture.appendChild(playerDiv);
playerDiv.className = 'video-js vjs-has-started';
assert.equal(
TestHelpers.getComputedStyle(el, 'display'),
'none',
'The poster hides when the video has started (CSS may not be loaded)'
);
playerDiv.className = 'video-js vjs-has-started vjs-audio';
assert.equal(
TestHelpers.getComputedStyle(el, 'display'),
'block',
'The poster continues to show when playing audio'
);
posterImage.dispose();
});