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twemoji/test.js
2015-06-17 10:01:12 +01:00

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/*! Copyright Twitter Inc. and other contributors. Licensed under MIT *//*
https://github.com/twitter/twemoji/blob/gh-pages/LICENSE
*/
var base = twemoji.base;
wru.test([{
name: 'string parsing',
test: function () {
// without variant
wru.assert(
'default parsing works',
twemoji.parse('I \u2764 emoji!') ===
'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + '36x36/2764.png"> emoji!'
);
// with "as image" variant
wru.assert(
'default \uFE0F variant parsing works',
twemoji.parse('I \u2764\uFE0F emoji!') ===
'I <img class="emoji" draggable="false" alt="\u2764\uFE0F" src="' + base + '36x36/2764.png"> emoji!'
);
// with "as text" variant
wru.assert(
'default \uFE0E variant parsing works',
twemoji.parse('I \u2764\uFE0E emoji!') ===
'I \u2764\uFE0E emoji!'
);
}
},{
name: 'string parsing + size',
test: function () {
wru.assert(
'number is squared',
twemoji.parse('I \u2764 emoji!', {size: 72}) ===
'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + '72x72/2764.png"> emoji!'
);
wru.assert(
'string is preserved',
twemoji.parse('I \u2764 emoji!', {size: 'any-size'}) ===
'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + 'any-size/2764.png"> emoji!'
);
}
},{
name: 'string parsing + callback',
test: function () {
var result = false;
twemoji.parse('I \u2764 emoji!', function (icon, options, variant) {
result = icon === '2764' && options.size === '36x36' && !variant;
});
wru.assert('works OK without variant', result);
result = false;
twemoji.parse('I \u2764\uFE0F emoji!', function (icon, options, variant) {
result = icon === '2764' && options.size === '36x36' && variant === '\uFE0F';
});
wru.assert('works OK with variant', result);
result = true;
twemoji.parse('I \u2764\uFE0E emoji!', function (icon, options, variant) {
result = false;
});
wru.assert('not invoked when \uFE0E is matched', result);
}
},{
name: 'string parsing + callback returning `falsy`',
test: function () {
wru.assert(
'does not add an image',
'I \u2764\uFE0F emoji!' ===
twemoji.parse('I \u2764\uFE0F emoji!', function () {})
);
}
},{
name: 'string parsing + callback + size',
test: function () {
wru.assert(
'size is overwritten',
'I <img class="emoji" draggable="false" alt="\u2764" src="72x72/2764.png"> emoji!' ===
twemoji.parse(
'I \u2764 emoji!',
{
base: '',
size: 72
}
)
);
}
},{
name: 'twemoji.replace(str, callback)',
test: function () {
var result = false;
var str = twemoji.replace('I \u2764\uFE0E emoji!', function (match, emoji, variant) {
result = match === '\u2764\uFE0E' &&
emoji === '\u2764\uFE0E' &&
variant === '\uFE0E';
return '<3';
});
wru.assert('all exepected values are passed through', result);
wru.assert('returned value is the expected', str === 'I <3 emoji!');
}
},{
name: 'twemoji.test(str)',
test: function () {
wru.assert(
twemoji.test('I \u2764 emoji!') &&
twemoji.test('I \u2764\uFE0F emoji!') &&
twemoji.test('I \u2764\uFE0E emoji!') &&
!twemoji.test('nope')
);
}
},{
name: 'DOM parsing',
test: function () {
var img,
// without variant
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764 emoji!'));
twemoji.parse(div);
wru.assert('default parsing works creating 3 nodes', div.childNodes.length === 3);
wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
img = div.removeChild(div.firstChild);
wru.assert('second child is the image', img.nodeName === 'IMG');
wru.assert('img attributes are OK',
img.className === 'emoji' &&
img.getAttribute('draggable') === 'false' &&
img.src === base + '36x36/2764.png' &&
img.alt === '\u2764' &&
img.onerror === twemoji.onerror
);
wru.assert('last child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji!');
// with "as image" variant
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764\uFE0F emoji!'));
twemoji.parse(div);
wru.assert('default parsing created 3 nodes', div.childNodes.length === 3);
wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
img = div.removeChild(div.firstChild);
wru.assert('second child is the image', img.nodeName === 'IMG');
wru.assert('img attributes are OK',
img.className === 'emoji' &&
img.getAttribute('draggable') === 'false' &&
img.src === base + '36x36/2764.png' &&
img.alt === '\u2764\uFE0F' &&
img.onerror === twemoji.onerror
);
wru.assert('last child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji!');
// with "as text" variant
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764\uFE0E emoji!'));
twemoji.parse(div);
wru.assert('default parsing did NOT create 3 nodes anyway', div.childNodes.length === 1);
}
},{
name: 'DOM parsing + size',
test: function () {
var img,
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764 emoji!'));
twemoji.parse(div, {size: 16});
wru.assert('default parsing works creating 3 nodes', div.childNodes.length === 3);
wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
img = div.removeChild(div.firstChild);
wru.assert('second child is the image', img.nodeName === 'IMG');
wru.assert('img attributes are OK',
img.className === 'emoji' &&
img.getAttribute('draggable') === 'false' &&
img.src === base + '16x16/2764.png' &&
img.alt === '\u2764' &&
img.onerror === twemoji.onerror
);
wru.assert('last child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji!');
}
},{
name: 'DOM parsing + callback',
test: function () {
var result = false,
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764 emoji!'));
twemoji.parse(div, function (icon, options, variant) {
result = icon === '2764' && options.size === '36x36' && !variant;
});
wru.assert('works OK without variant', result);
result = false;
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764\uFE0F emoji!'));
twemoji.parse(div, function (icon, options, variant) {
result = icon === '2764' && options.size === '36x36' && variant === '\uFE0F';
});
wru.assert('works OK with variant', result);
result = true;
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764\uFE0E emoji!'));
twemoji.parse(div, function (icon, options, variant) {
result = false;
});
wru.assert('not invoked when \uFE0E is matched', result);
}
},{
name: 'DOM parsing + callback returning `falsy`',
test: function () {
var div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764 emoji!'));
twemoji.parse(div, function () {});
wru.assert(div.innerHTML === 'I \u2764 emoji!');
}
},{
name: 'DOM parsing + callback + size',
test: function () {
var result = false,
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764 emoji!'));
twemoji.parse(div, {
size: 16,
callback: function (icon, options, variant) {
result = icon === '2764' && options.size === '16x16' && !variant;
}
});
wru.assert('works OK without variant', result);
result = false;
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764\uFE0F emoji!'));
twemoji.parse(div, {
size: 72,
callback: function (icon, options, variant) {
result = icon === '2764' && options.size === '72x72' && !!variant;
}
});
wru.assert('works OK with variant', result);
}
},{
name: 'nested nodes',
test: function () {
var str = '<img class="emoji" draggable="false" alt="\u2764" src="https://twemoji.maxcdn.com/36x36/2764.png">',
div = document.createElement('div'),
p,
img;
div.innerHTML = '<p>I \u2764 emoji<strong>!</strong></p><p>I \u2764 them too</p>';
p = div.getElementsByTagName('p');
twemoji.parse(div);
wru.assert('preserved structure', p.length === 2);
img = div.getElementsByTagName('img');
wru.assert('correct amount of images found', img.length === 2);
wru.assert('images are in the right place',
img[0].parentNode === p[0] &&
img[1].parentNode === p[1]
);
}
},{
name: 'only nodes are affected',
test: function () {
var div = document.createElement('div');
var innerHTML = '<script>/*\u2764*/</script><style>/*\u2764*/</style><hr class="\u2764">';
div.innerHTML = innerHTML;
twemoji.parse(div);
wru.assert(!/<img/i.test(div.innerHTML));
}
},{
name: 'DOM parsing multiple per node',
test: function () {
var div = document.createElement('div');
div.innerHTML = 'I \u2764\ufe0f emoji, you should \u2764 emoji too!';
twemoji.parse(div);
wru.assert('default parsing works creating 5 nodes', div.childNodes.length === 5);
wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
wru.assert('second child is the expected one', div.removeChild(div.firstChild).alt === '\u2764\ufe0f');
wru.assert('third child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji, you should ');
wru.assert('fourth child is the expected one', div.removeChild(div.firstChild).alt === '\u2764');
wru.assert('fifth child is the expected one', div.removeChild(div.firstChild).nodeValue === ' emoji too!');
}
},{
name: 'DOM parsing does not create XSS',
test: function () {
var div = document.createElement('div'), text, html;
div.innerHTML = 'I \u2764\ufe0f emoji, you shuold &lt;3 them too!';
text = div.childNodes[0].nodeValue.slice('I \u2764\ufe0f'.length);
html = div.innerHTML.replace('\u2764\ufe0f', '');
twemoji.parse(div);
wru.assert('third child is the expected one', div.childNodes[2].nodeValue === text);
wru.assert('html unaltered', div.innerHTML.replace(/<img[^>]+?>/i, '') === html);
}
},{
name: 'string parsing + className',
test: function () {
var className = 'img-' + Math.random();
var img = 'I <img class="' + className + '" draggable="false" alt="\u2764" src="36x36/2764.png"> emoji!';
wru.assert(
'className is overwritten',
img ===
twemoji.parse(
'I \u2764 emoji!',
{
className: className,
base: ''
}
)
);
}
},{
name: 'DOM parsing + className',
test: function () {
var className = 'img-' + Math.random();
var img,
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764 emoji!'));
twemoji.parse(div, {className: className});
wru.assert(
'className is overwritten',
div.getElementsByTagName('img')[0].className === className
);
}
},{
name: 'string parsing + attributes callback',
test: function () {
wru.assert(
'custom attributes are inserted',
'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + '36x36/2764.png" title="Emoji: \u2764" data-test="We all &lt;3 emoji"> emoji!' ===
twemoji.parse(
'I \u2764 emoji!',
{
attributes: function(icon) {
return {
title: 'Emoji: ' + icon,
'data-test': 'We all <3 emoji'
};
}
}
)
);
}
},{
name: 'string parsing + attributes callback content properly encoded',
test: function () {
wru.assert(
'custom attributes are inserted',
'I <img class="emoji" draggable="false" alt="\u2764" src="' + base + '36x36/2764.png" title="&amp;amp;lt;script&amp;amp;gt;alert(&quot;yo&quot;)&amp;amp;lt;/script&amp;amp;gt;"> emoji!' ===
twemoji.parse(
'I \u2764 emoji!',
{
attributes: function(icon) {
return {
title: '&amp;lt;script&amp;gt;alert("yo")&amp;lt;/script&amp;gt;'
};
}
}
)
);
}
},{
name: 'string parsing + attributes callback "on" attributes are omitted',
test: function () {
wru.assert(
'custom attributes are inserted',
'I <img class="emoji" draggable="false" alt="❤" src="' + base + '36x36/2764.png" title="test"> emoji!' ===
twemoji.parse(
'I \u2764 emoji!',
{
attributes: function(icon) {
return {
title: 'test',
onsomething: 'whoops!',
onclick: 'nope',
onmousedown: 'nada'
};
}
}
)
);
}
},{
name: 'DOM parsing + attributes callback',
test: function () {
var img,
// without variant
div = document.createElement('div');
div.appendChild(document.createTextNode('I \u2764 emoji!'));
twemoji.parse(
div, {
attributes: function(icon) {
return {
title: 'Emoji: ' + icon,
'data-test': 'We all <3 emoji',
onclick: 'nope',
onmousedown: 'nada'
};
}
}
);
wru.assert('default parsing works creating 3 nodes', div.childNodes.length === 3);
wru.assert('first child is the expected one', div.removeChild(div.firstChild).nodeValue === 'I ');
img = div.removeChild(div.firstChild);
wru.assert('second child is the image', img.nodeName === 'IMG');
wru.assert('img attributes are OK',
img.className === 'emoji' &&
img.getAttribute('draggable') === 'false' &&
img.src === base + '36x36/2764.png' &&
img.alt === '\u2764' &&
img.onerror === twemoji.onerror &&
img.getAttribute('title') === 'Emoji: \u2764' &&
img.getAttribute('data-test') === 'We all <3 emoji'
);
wru.assert('img on attributes are omitted',
img.onclick === null &&
img.onmousedown === null
);
}
},{
name: 'folder option',
test: function () {
var img = 'I <img class="emoji" draggable="false" alt="\u2764" src="svg/2764.svg"> emoji!';
wru.assert(
'folder is accepted',
img ===
twemoji.parse(
'I \u2764 emoji!',
{
folder: 'svg',
ext: '.svg',
base: ''
}
)
);
wru.assert(
'folder overwrites size',
img ===
twemoji.parse(
'I \u2764 emoji!',
{
size: 72,
folder: 'svg',
ext: '.svg',
base: ''
}
)
);
}
},{
name: 'non standard OSX variant',
test: function () {
var div = document.createElement('div');
div.innerHTML = '5\ufe0f\u20e3';
twemoji.parse(div);
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 === 3);
}
},{
name: 'same but standard OSX without variant',
test: function () {
var div = document.createElement('div');
div.innerHTML = '5\u20e3';
twemoji.parse(div);
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');
}
}
}]);