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86 lines
2.7 KiB
TypeScript
86 lines
2.7 KiB
TypeScript
import { fromCodepointToUnicode, fromHexcodeToCodepoint } from 'emojibase';
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import { emojify, setEmojiConfig, stripEmojis, unemojify } from './emoji';
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describe('util/emoji', () => {
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beforeEach(() => {
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setEmojiConfig({ unicodeEmoji: true });
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});
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describe('emojify', () => {
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it('encodes known shortcodes', () => {
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expect(emojify('Let it :bee:')).toBe('Let it 🐝');
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});
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it('encodes aliases', () => {
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const bee = emojify(':bee:');
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const honeyBee = emojify(':honeybee:');
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expect(bee).toEqual(honeyBee);
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});
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it('omits unknown shortcodes', () => {
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expect(emojify(':foo: :bar: :bee:')).toBe(':foo: :bar: 🐝');
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});
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it('does not encode when config option is disabled', () => {
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setEmojiConfig({ unicodeEmoji: false });
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expect(emojify('Let it :bee:')).toBe('Let it :bee:');
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});
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});
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describe('unemojify', () => {
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it('strips emojis when the config has been set accordingly', () => {
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const emoji = '🚀💎';
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const otherText = 'regular text';
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const text = `${emoji} ${otherText}`;
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setEmojiConfig({ unicodeEmoji: false });
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const result = unemojify(text);
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expect(result).not.toContain(emoji);
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});
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it('does not strip emojis when the config demands it', () => {
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const emoji = '🚀💎';
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const otherText = 'regular text';
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const text = `${emoji} ${otherText}`;
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setEmojiConfig({ unicodeEmoji: true });
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const result = unemojify(text);
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expect(result).toEqual(text);
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});
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describe('unsupported characters', () => {
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const unsupported = '🫠';
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it('uses replacement character', () => {
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setEmojiConfig({ unicodeEmoji: false });
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expect(unemojify(unsupported)).toBe('<27>');
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});
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});
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});
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describe('problem characters', () => {
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it.each(['🚀', '💎', '🧹', '📦'])('converts %s forth and back', (char) => {
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setEmojiConfig({ unicodeEmoji: false });
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const codified = unemojify(char);
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expect(codified).not.toEqual(char);
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setEmojiConfig({ unicodeEmoji: true });
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const emojified = emojify(codified);
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expect(emojified).toEqual(char);
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});
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});
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describe('stripEmojis', () => {
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const makeEmoji = (hexCode: string): string =>
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fromCodepointToUnicode(fromHexcodeToCodepoint(hexCode));
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it('is independent of config option', () => {
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const x: string = makeEmoji('26A0-FE0F');
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const y: string = makeEmoji('26A0');
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setEmojiConfig({ unicodeEmoji: true });
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expect(stripEmojis(`foo ${x} bar`)).toEqual(`foo ${y} bar`);
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setEmojiConfig({ unicodeEmoji: false });
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expect(stripEmojis(`foo ${x} bar`)).toEqual(`foo ${y} bar`);
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});
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});
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});
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