discourse/test/javascripts/lib/emoji-test.js.es6

import { emojiSearch, IMAGE_VERSION as v } from 'pretty-text/emoji';
import { emojiUnescape } from 'discourse/lib/text';

QUnit.module('lib:emoji');

QUnit.test("emojiUnescape", assert => {
  const testUnescape = (input, expected, description) => {
    assert.equal(emojiUnescape(input), expected, description);
  };

  testUnescape("Not emoji :O) :frog) :smile)", "Not emoji :O) :frog) :smile)", "title without emoji");
  testUnescape("Not emoji :frog :smile", "Not emoji :frog :smile", "end colon is not optional");
  testUnescape("emoticons :)", `emoticons <img src='/images/emoji/emoji_one/slight_smile.png?v=${v}' title='slight_smile' alt='slight_smile' class='emoji'>`, "emoticons are still supported");
  testUnescape("With emoji :O: :frog: :smile:",
    `With emoji <img src='/images/emoji/emoji_one/o.png?v=${v}' title='O' alt='O' class='emoji'> <img src='/images/emoji/emoji_one/frog.png?v=${v}' title='frog' alt='frog' class='emoji'> <img src='/images/emoji/emoji_one/smile.png?v=${v}' title='smile' alt='smile' class='emoji'>`,
    "title with emoji");
  testUnescape("a:smile:a", "a:smile:a", "word characters not allowed next to emoji");
  testUnescape("(:frog:) :)", `(<img src='/images/emoji/emoji_one/frog.png?v=${v}' title='frog' alt='frog' class='emoji'>) <img src='/images/emoji/emoji_one/slight_smile.png?v=${v}' title='slight_smile' alt='slight_smile' class='emoji'>`, "non-word characters allowed next to emoji");
  testUnescape(":smile: hi", `<img src='/images/emoji/emoji_one/smile.png?v=${v}' title='smile' alt='smile' class='emoji'> hi`, "start of line");
  testUnescape("hi :smile:", `hi <img src='/images/emoji/emoji_one/smile.png?v=${v}' title='smile' alt='smile' class='emoji'>`, "end of line");
  testUnescape("hi :blonde_woman:t4:", `hi <img src='/images/emoji/emoji_one/blonde_woman/4.png?v=${v}' title='blonde_woman:t4' alt='blonde_woman:t4' class='emoji'>`, "support for skin tones");
  testUnescape("hi :blonde_woman:t4: :blonde_man:t6:", `hi <img src='/images/emoji/emoji_one/blonde_woman/4.png?v=${v}' title='blonde_woman:t4' alt='blonde_woman:t4' class='emoji'> <img src='/images/emoji/emoji_one/blonde_man/6.png?v=${v}' title='blonde_man:t6' alt='blonde_man:t6' class='emoji'>`, "support for multiple skin tones");
  testUnescape("hi :blonde_man:t6", "hi :blonde_man:t6", "end colon not optional for skin tones");

});

QUnit.test("Emoji search", assert => {
  // able to find an alias
  assert.equal(emojiSearch("+1").length, 1);

  // able to find middle of line search
  assert.equal(emojiSearch("check", {maxResults: 3}).length, 3);

});