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mastodon/app/javascript/mastodon/features/emoji/normalize.test.ts
2025-07-02 08:58:39 +00:00

73 lines
2.1 KiB
TypeScript

import { readdir } from 'fs/promises';
import { basename, resolve } from 'path';
import unicodeEmojis from 'emojibase-data/en/data.json';
import { twemojiToUnicodeInfo, unicodeToTwemojiHex } from './normalize';
const emojiSVGFiles = await readdir(
// This assumes tests are run from project root
resolve(process.cwd(), 'public/emoji'),
{
withFileTypes: true,
},
);
const svgFileNames = emojiSVGFiles
.filter(
(file) =>
file.isFile() &&
file.name.endsWith('.svg') &&
!file.name.endsWith('_border.svg'),
)
.map((file) => basename(file.name, '.svg').toUpperCase());
describe('normalizeEmoji', () => {
describe('unicodeToSVGName', () => {
test.concurrent.for(
unicodeEmojis
// Our version of Twemoji only supports up to version 15.1
.filter((emoji) => emoji.version < 16)
.map((emoji) => [emoji.hexcode, emoji.label] as [string, string]),
)('verifying an emoji exists for %s (%s)', ([hexcode], { expect }) => {
const result = unicodeToTwemojiHex(hexcode);
expect(svgFileNames).toContain(result);
});
});
describe('twemojiToUnicodeInfo', () => {
const unicodeMap = new Map(
unicodeEmojis.flatMap((emoji) => {
const base: [string, string][] = [[emoji.hexcode, emoji.label]];
if (emoji.skins) {
base.push(
...emoji.skins.map(
(skin) => [skin.hexcode, skin.label] as [string, string],
),
);
}
return base;
}),
);
test.concurrent.for(svgFileNames)(
'verifying SVG file %s maps to Unicode emoji',
(svgFileName, { expect }) => {
assert(!!svgFileName);
const result = twemojiToUnicodeInfo(svgFileName);
const hexcode =
typeof result === 'string' ? result : result.unqualified;
if (!hexcode) {
// No hexcode means this is a special case like the Shibuya 109 emoji
expect(result).toHaveProperty('label');
return;
}
assert(!!hexcode);
expect(
unicodeMap.has(hexcode),
`${hexcode} (${svgFileName}) not found`,
).toBeTruthy();
},
);
});
});