renovate/lib/util/emoji.spec.ts

98 lines
3.0 KiB
TypeScript

import { fromCodepointToUnicode, fromHexcodeToCodepoint } from 'emojibase';
import { emojify, setEmojiConfig, stripEmojis, unemojify } from './emoji';
describe('util/emoji', () => {
beforeEach(() => {
setEmojiConfig({ unicodeEmoji: true });
});
describe('emojify', () => {
it('encodes known shortcodes', () => {
expect(emojify('Let it :bee:')).toBe('Let it 🐝');
});
it('encodes aliases', () => {
const bee = emojify(':bee:');
const honeyBee = emojify(':honeybee:');
expect(bee).toEqual(honeyBee);
});
it('omits unknown shortcodes', () => {
expect(emojify(':foo: :bar: :bee:')).toBe(':foo: :bar: 🐝');
});
it('convert warning shortcode to emoji', () => {
const warning = emojify(':warning:');
expect(warning).toBe('⚠️');
});
it('does not encode when config option is disabled', () => {
setEmojiConfig({ unicodeEmoji: false });
expect(emojify('Let it :bee:')).toBe('Let it :bee:');
});
});
describe('unemojify', () => {
it('strips emojis when the config has been set accordingly', () => {
const emoji = '🚀💎';
const otherText = 'regular text';
const text = `${emoji} ${otherText}`;
setEmojiConfig({ unicodeEmoji: false });
const result = unemojify(text);
expect(result).not.toContain(emoji);
});
it('does not strip emojis when the config demands it', () => {
const emoji = '🚀💎';
const otherText = 'regular text';
const text = `${emoji} ${otherText}`;
setEmojiConfig({ unicodeEmoji: true });
const result = unemojify(text);
expect(result).toEqual(text);
});
it('converts warning emoji to shortcode', () => {
setEmojiConfig({ unicodeEmoji: false });
const emoji = '⚠️';
const result = unemojify(emoji);
expect(result).toBe(':warning:');
});
});
describe('problematic characters', () => {
it.each(['🚀', '💎', '🧹', '📦', '⚠️'])(
'converts %s forth and back',
(char) => {
setEmojiConfig({ unicodeEmoji: false });
const codified = unemojify(char);
expect(codified).not.toEqual(char);
setEmojiConfig({ unicodeEmoji: true });
const emojified = emojify(codified);
expect(emojified).toEqual(char);
},
);
});
describe('stripEmojis', () => {
const makeEmoji = (hexCode: string): string =>
fromCodepointToUnicode(fromHexcodeToCodepoint(hexCode));
it('is independent of config option', () => {
const x: string = makeEmoji('26A0-FE0F');
const y: string = makeEmoji('26A0');
setEmojiConfig({ unicodeEmoji: true });
expect(stripEmojis(`foo ${x} bar`)).toBe(`foo ${y} bar`);
setEmojiConfig({ unicodeEmoji: false });
expect(stripEmojis(`foo ${x} bar`)).toBe(`foo ${y} bar`);
});
it('does not throw on standalone modifiers', () => {
// This is based on a string from an actual PR description.
expect(stripEmojis("foo '🏻' bar")).toBe("foo '' bar");
});
});
});