mirror of
https://github.com/twitter/twemoji.git
synced 2024-12-28 06:18:30 +00:00
556 lines
19 KiB
JavaScript
556 lines
19 KiB
JavaScript
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/*! Copyright Twitter Inc. and other contributors. Licensed under MIT *//*
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https://github.com/twitter/twemoji/blob/gh-pages/LICENSE
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*/
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var base = twemoji.base;
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wru.test([{
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name: 'string parsing',
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test: function () {
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// without variant
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wru.assert(
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'default parsing works',
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twemoji.parse('I \u2764 emoji!') ===
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'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + '36x36/2764.png"> emoji!'
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);
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// with "as image" variant
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wru.assert(
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'default \uFE0F variant parsing works',
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twemoji.parse('I \u2764\uFE0F emoji!') ===
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'I <img class="emoji" draggable="false" alt="\u2764\uFE0F" src="' + base + '36x36/2764.png"> emoji!'
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);
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// with "as text" variant
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wru.assert(
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'default \uFE0E variant parsing works',
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twemoji.parse('I \u2764\uFE0E emoji!') ===
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'I \u2764\uFE0E emoji!'
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);
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}
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},{
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name: 'string parsing + size',
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test: function () {
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wru.assert(
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'number is squared',
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twemoji.parse('I \u2764 emoji!', {size: 72}) ===
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'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + '72x72/2764.png"> emoji!'
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);
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wru.assert(
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'string is preserved',
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twemoji.parse('I \u2764 emoji!', {size: 'any-size'}) ===
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'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + 'any-size/2764.png"> emoji!'
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);
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}
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},{
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name: 'string parsing + callback',
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test: function () {
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var result = false;
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twemoji.parse('I \u2764 emoji!', function (icon, options, variant) {
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result = icon === '2764' && options.size === '36x36' && !variant;
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});
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wru.assert('works OK without variant', result);
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result = false;
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twemoji.parse('I \u2764\uFE0F emoji!', function (icon, options, variant) {
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result = icon === '2764' && options.size === '36x36' && variant === '\uFE0F';
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});
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wru.assert('works OK with variant', result);
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result = true;
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twemoji.parse('I \u2764\uFE0E emoji!', function (icon, options, variant) {
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result = false;
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});
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wru.assert('not invoked when \uFE0E is matched', result);
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}
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},{
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name: 'string parsing + callback returning `falsy`',
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test: function () {
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wru.assert(
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'does not add an image',
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'I \u2764\uFE0F emoji!' ===
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twemoji.parse('I \u2764\uFE0F emoji!', function () {})
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);
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}
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},{
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name: 'string parsing + callback + size',
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test: function () {
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wru.assert(
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'size is overwritten',
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'I <img class="emoji" draggable="false" alt="\u2764" src="72x72/2764.png"> emoji!' ===
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twemoji.parse(
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'I \u2764 emoji!',
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{
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base: '',
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size: 72
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}
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)
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);
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}
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},{
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name: 'twemoji.replace(str, callback)',
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test: function () {
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var result = false;
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var str = twemoji.replace('I \u2764\uFE0E emoji!', function (match, emoji, variant) {
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result = match === '\u2764\uFE0E' &&
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emoji === '\u2764\uFE0E' &&
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variant === '\uFE0E';
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return '<3';
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});
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wru.assert('all exepected values are passed through', result);
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wru.assert('returned value is the expected', str === 'I <3 emoji!');
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}
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},{
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name: 'twemoji.test(str)',
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test: function () {
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wru.assert(
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twemoji.test('I \u2764 emoji!') &&
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twemoji.test('I \u2764\uFE0F emoji!') &&
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twemoji.test('I \u2764\uFE0E emoji!') &&
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!twemoji.test('nope')
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);
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}
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},{
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name: 'DOM parsing',
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test: function () {
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var img,
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// without variant
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764 emoji!'));
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twemoji.parse(div);
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wru.assert('default parsing works creating 3 nodes', div.childNodes.length === 3);
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wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
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img = div.removeChild(div.firstChild);
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wru.assert('second child is the image', img.nodeName === 'IMG');
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wru.assert('img attributes are OK',
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img.className === 'emoji' &&
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img.getAttribute('draggable') === 'false' &&
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img.src === base + '36x36/2764.png' &&
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img.alt === '\u2764' &&
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img.onerror === twemoji.onerror
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);
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wru.assert('last child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji!');
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// with "as image" variant
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764\uFE0F emoji!'));
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twemoji.parse(div);
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wru.assert('default parsing created 3 nodes', div.childNodes.length === 3);
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wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
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img = div.removeChild(div.firstChild);
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wru.assert('second child is the image', img.nodeName === 'IMG');
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wru.assert('img attributes are OK',
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img.className === 'emoji' &&
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img.getAttribute('draggable') === 'false' &&
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img.src === base + '36x36/2764.png' &&
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img.alt === '\u2764\uFE0F' &&
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img.onerror === twemoji.onerror
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);
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wru.assert('last child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji!');
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// with "as text" variant
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764\uFE0E emoji!'));
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twemoji.parse(div);
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wru.assert('default parsing did NOT create 3 nodes anyway', div.childNodes.length === 1);
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}
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},{
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name: 'DOM parsing + size',
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test: function () {
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var img,
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764 emoji!'));
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twemoji.parse(div, {size: 16});
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wru.assert('default parsing works creating 3 nodes', div.childNodes.length === 3);
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wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
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img = div.removeChild(div.firstChild);
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wru.assert('second child is the image', img.nodeName === 'IMG');
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wru.assert('img attributes are OK',
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img.className === 'emoji' &&
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img.getAttribute('draggable') === 'false' &&
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img.src === base + '16x16/2764.png' &&
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img.alt === '\u2764' &&
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img.onerror === twemoji.onerror
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);
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wru.assert('last child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji!');
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}
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},{
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name: 'DOM parsing + callback',
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test: function () {
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var result = false,
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764 emoji!'));
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twemoji.parse(div, function (icon, options, variant) {
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result = icon === '2764' && options.size === '36x36' && !variant;
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});
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wru.assert('works OK without variant', result);
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result = false;
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764\uFE0F emoji!'));
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twemoji.parse(div, function (icon, options, variant) {
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result = icon === '2764' && options.size === '36x36' && variant === '\uFE0F';
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});
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wru.assert('works OK with variant', result);
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result = true;
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764\uFE0E emoji!'));
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twemoji.parse(div, function (icon, options, variant) {
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result = false;
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});
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wru.assert('not invoked when \uFE0E is matched', result);
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}
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},{
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name: 'DOM parsing + callback returning `falsy`',
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test: function () {
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var div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764 emoji!'));
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twemoji.parse(div, function () {});
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wru.assert(div.innerHTML === 'I \u2764 emoji!');
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}
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},{
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name: 'DOM parsing + callback + size',
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test: function () {
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var result = false,
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764 emoji!'));
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twemoji.parse(div, {
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size: 16,
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callback: function (icon, options, variant) {
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result = icon === '2764' && options.size === '16x16' && !variant;
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}
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});
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wru.assert('works OK without variant', result);
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result = false;
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764\uFE0F emoji!'));
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twemoji.parse(div, {
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size: 72,
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callback: function (icon, options, variant) {
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result = icon === '2764' && options.size === '72x72' && !!variant;
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}
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});
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wru.assert('works OK with variant', result);
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}
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},{
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name: 'nested nodes',
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test: function () {
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var str = '<img class="emoji" draggable="false" alt="\u2764" src="https://twemoji.maxcdn.com/36x36/2764.png">',
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div = document.createElement('div'),
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p,
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img;
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div.innerHTML = '<p>I \u2764 emoji<strong>!</strong></p><p>I \u2764 them too</p>';
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p = div.getElementsByTagName('p');
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twemoji.parse(div);
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wru.assert('preserved structure', p.length === 2);
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img = div.getElementsByTagName('img');
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wru.assert('correct amount of images found', img.length === 2);
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wru.assert('images are in the right place',
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img[0].parentNode === p[0] &&
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img[1].parentNode === p[1]
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);
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}
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},{
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name: 'only nodes are affected',
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test: function () {
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var div = document.createElement('div');
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var innerHTML = '<script>/*\u2764*/</script><style>/*\u2764*/</style><hr class="\u2764">';
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div.innerHTML = innerHTML;
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twemoji.parse(div);
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wru.assert(!/<img/i.test(div.innerHTML));
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}
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},{
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name: 'DOM parsing multiple per node',
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test: function () {
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var div = document.createElement('div');
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div.innerHTML = 'I \u2764\ufe0f emoji, you should \u2764 emoji too!';
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twemoji.parse(div);
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wru.assert('default parsing works creating 5 nodes', div.childNodes.length === 5);
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wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
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wru.assert('second child is the expected one', div.removeChild(div.firstChild).alt === '\u2764\ufe0f');
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wru.assert('third child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji, you should ');
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wru.assert('fourth child is the expected one', div.removeChild(div.firstChild).alt === '\u2764');
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wru.assert('fifth child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji too!');
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}
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},{
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name: 'DOM parsing does not create XSS',
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test: function () {
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var div = document.createElement('div'), text, html;
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div.innerHTML = 'I \u2764\ufe0f emoji, you shuold <3 them too!';
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text = div.childNodes[0].nodeValue.slice('I \u2764\ufe0f'.length);
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html = div.innerHTML.replace('\u2764\ufe0f', '');
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twemoji.parse(div);
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wru.assert('third child is the expected one', div.childNodes[2].nodeValue === text);
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wru.assert('html unaltered', div.innerHTML.replace(/<img[^>]+?>/i, '') === html);
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}
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},{
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name: 'string parsing + className',
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test: function () {
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var className = 'img-' + Math.random();
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var img = 'I <img class="' + className + '" draggable="false" alt="\u2764" src="36x36/2764.png"> emoji!';
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wru.assert(
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'className is overwritten',
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img ===
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twemoji.parse(
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'I \u2764 emoji!',
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{
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className: className,
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base: ''
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}
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)
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);
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}
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},{
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name: 'DOM parsing + className',
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test: function () {
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var className = 'img-' + Math.random();
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var img,
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764 emoji!'));
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twemoji.parse(div, {className: className});
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wru.assert(
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'className is overwritten',
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div.getElementsByTagName('img')[0].className === className
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);
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}
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},{
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name: 'string parsing + attributes callback',
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test: function () {
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wru.assert(
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'custom attributes are inserted',
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'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + '36x36/2764.png" title="Emoji: \u2764" data-test="We all <3 emoji"> emoji!' ===
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twemoji.parse(
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'I \u2764 emoji!',
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{
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attributes: function(icon) {
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return {
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title: 'Emoji: ' + icon,
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'data-test': 'We all <3 emoji'
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};
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}
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}
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)
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);
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}
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},{
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name: 'string parsing + attributes callback content properly encoded',
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test: function () {
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wru.assert(
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'custom attributes are inserted',
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'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + '36x36/2764.png" title="&amp;lt;script&amp;gt;alert("yo")&amp;lt;/script&amp;gt;"> emoji!' ===
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twemoji.parse(
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'I \u2764 emoji!',
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{
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attributes: function(icon) {
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return {
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title: '&lt;script&gt;alert("yo")&lt;/script&gt;'
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};
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}
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}
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)
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);
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}
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},{
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name: 'string parsing + attributes callback "on" attributes are omitted',
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test: function () {
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wru.assert(
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'custom attributes are inserted',
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'I <img class="emoji" draggable="false" alt="❤" src="' + base + '36x36/2764.png" title="test"> emoji!' ===
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twemoji.parse(
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'I \u2764 emoji!',
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{
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attributes: function(icon) {
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return {
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title: 'test',
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onsomething: 'whoops!',
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onclick: 'nope',
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onmousedown: 'nada'
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};
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}
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}
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)
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);
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}
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},{
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name: 'DOM parsing + attributes callback',
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test: function () {
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var img,
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// without variant
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div = document.createElement('div');
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div.appendChild(document.createTextNode('I \u2764 emoji!'));
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twemoji.parse(
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div, {
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attributes: function(icon) {
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return {
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title: 'Emoji: ' + icon,
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'data-test': 'We all <3 emoji',
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onclick: 'nope',
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onmousedown: 'nada'
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};
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}
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}
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);
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wru.assert('default parsing works creating 3 nodes', div.childNodes.length === 3);
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wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
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img = div.removeChild(div.firstChild);
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wru.assert('second child is the image', img.nodeName === 'IMG');
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wru.assert('img attributes are OK',
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img.className === 'emoji' &&
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img.getAttribute('draggable') === 'false' &&
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img.src === base + '36x36/2764.png' &&
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img.alt === '\u2764' &&
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img.onerror === twemoji.onerror &&
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img.getAttribute('title') === 'Emoji: \u2764' &&
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img.getAttribute('data-test') === 'We all <3 emoji'
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);
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wru.assert('img on attributes are omitted',
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img.onclick === null &&
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img.onmousedown === null
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);
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}
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},{
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name: 'folder option',
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test: function () {
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var img = 'I <img class="emoji" draggable="false" alt="\u2764" src="svg/2764.svg"> emoji!';
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wru.assert(
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'folder is accepted',
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img ===
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twemoji.parse(
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'I \u2764 emoji!',
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{
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folder: 'svg',
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ext: '.svg',
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base: ''
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}
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)
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);
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wru.assert(
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'folder overwrites size',
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img ===
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twemoji.parse(
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'I \u2764 emoji!',
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{
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size: 72,
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folder: 'svg',
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ext: '.svg',
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base: ''
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}
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)
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);
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}
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},{
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name: 'non standard OSX variant',
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test: function () {
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var div = document.createElement('div');
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div.innerHTML = '5\ufe0f\u20e3';
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twemoji.parse(div);
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wru.assert('recognized as graphical',
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div.firstChild.className === 'emoji' &&
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div.firstChild.getAttribute('draggable') === 'false' &&
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div.firstChild.getAttribute('alt') === "5️⃣" &&
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div.firstChild.src === 'http://twemoji.maxcdn.com/36x36/35-20e3.png'
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);
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wru.assert('the length is preserved',
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div.getElementsByTagName('img')[0].alt.length === 3);
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}
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},{
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name: 'same but standard OSX without variant',
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test: function () {
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var div = document.createElement('div');
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div.innerHTML = '5\u20e3';
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twemoji.parse(div);
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wru.assert('recognized as graphical',
|
||
div.firstChild.className === 'emoji' &&
|
||
div.firstChild.getAttribute('draggable') === 'false' &&
|
||
div.firstChild.getAttribute('alt') === "5⃣" &&
|
||
div.firstChild.src === 'http://twemoji.maxcdn.com/36x36/35-20e3.png'
|
||
);
|
||
wru.assert('the length is preserved',
|
||
div.getElementsByTagName('img')[0].alt.length === 2);
|
||
}
|
||
},{
|
||
name: 'multiple parsing using a callback',
|
||
test: function () {
|
||
wru.assert(
|
||
'FE0E is still ignored',
|
||
twemoji.parse('\u25c0 \u25c0\ufe0e \u25c0\ufe0f', {
|
||
callback: function(icon){ return 'icon'; }
|
||
}) ===
|
||
'<img class="emoji" draggable="false" alt="\u25c0" src="icon"> \u25c0\ufe0e <img class="emoji" draggable="false" alt="\u25c0\ufe0f" src="icon">'
|
||
);
|
||
}
|
||
},{
|
||
name: 'non standard variant within others',
|
||
test: function () {
|
||
var a = [
|
||
'normal',
|
||
'forced-as-text',
|
||
'forced-as-apple-graphic',
|
||
'forced-as-graphic'
|
||
];
|
||
wru.assert('normal forced-as-text forced-as-apple-graphic forced-as-graphic' ===
|
||
twemoji.replace('\u25c0 \u25c0\ufe0e 5\ufe0f\u20e3 \u25c0\ufe0f', function(match, icon, variant){
|
||
if (variant === '\uFE0E') return a[1];
|
||
if (variant === '\uFE0F') return a[3];
|
||
if (!variant) return a[
|
||
icon.length === 3 && icon.charAt(1) === '\uFE0F' ? 2 : 0
|
||
];
|
||
})
|
||
);
|
||
}
|
||
},{
|
||
name: 'invalid variants and chars',
|
||
test: function () {
|
||
var div = document.createElement('div');
|
||
var img;
|
||
div.innerHTML = twemoji.parse('"\u2b1c\uFE0F"');
|
||
img = div.getElementsByTagName('img')[0];
|
||
wru.assert('correct img.alt 1', img.alt === "\u2b1c\uFE0F");
|
||
wru.assert('correct img.src 1', img.src.slice(-8) === '2b1c.png');
|
||
// other variants should be ignored
|
||
div.innerHTML = twemoji.parse('"\u2b1c\uFE00"');
|
||
img = div.getElementsByTagName('img')[0];
|
||
wru.assert('correct img.alt 2', img.alt === "\u2b1c");
|
||
wru.assert('correct img.src 2', img.src.slice(-8) === '2b1c.png');
|
||
div.removeChild(img);
|
||
// the variant without meanings are still there
|
||
div.innerHTML === '"\uFE00"';
|
||
// when there is a trailing \uFE0E there should be no image
|
||
div.innerHTML = twemoji.parse('"\u2b1c\uFE0E"');
|
||
wru.assert('correct length', div.getElementsByTagName('img').length === 0);
|
||
wru.assert('expected html', div.innerHTML === '"\u2b1c\uFE0E"');
|
||
}
|
||
}, {
|
||
name: 'SVG Elements are ignored',
|
||
test: function () {
|
||
if (typeof SVGElement !== 'undefined') {
|
||
var innerHTML, div = document.createElement('div');
|
||
div.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40">' +
|
||
'<switch>' +
|
||
'<circle cx="20" cy="20" r="18" stroke="grey" stroke-width="2" fill="#99FF66" />' +
|
||
'<foreignObject>' +
|
||
'<div>I \u2764 emoji!</div>' +
|
||
'</foreignObject>' +
|
||
'</switch>' +
|
||
'</svg>';
|
||
// grab the normalized one
|
||
innerHTML = div.innerHTML;
|
||
twemoji.parse(div);
|
||
wru.assert('nothing changed', innerHTML === div.innerHTML);
|
||
} else {
|
||
wru.assert('nothing to do here');
|
||
}
|
||
}
|
||
}, {
|
||
name: 'using a different onerror',
|
||
test: function () {
|
||
var Image = window.Image;
|
||
window.Image = function () {
|
||
var self = new Image;
|
||
setTimeout(function () {
|
||
window.Image = Image;
|
||
self.onerror();
|
||
}, 10);
|
||
return self;
|
||
};
|
||
var div = document.createElement('div');
|
||
div.innerHTML = '5\ufe0f\u20e3';
|
||
twemoji.parse(div, {onerror: wru.async(function () {
|
||
wru.assert('OK');
|
||
})});
|
||
}
|
||
}]); |