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import fs from 'node:fs';
import path from 'node:path';

import {describe, expect, it} from 'vitest';

import {languages} from '../lib/languages.js';

describe('Language definitions tests', () => {
    it('Has id equal to object key', () => {
        for (const languageKey of Object.keys(languages)) expect(languages[languageKey].id).toEqual(languageKey);
    });
    it('Has extensions with leading dots', () => {
        for (const languageKey of Object.keys(languages)) expect(languages[languageKey].extensions[0][0]).toEqual('.');
    });
    it('Has examples & are initialized', () => {
        for (const languageKey of Object.keys(languages)) {
            const lang = languages[languageKey];
            const example = fs.readFileSync(path.join('examples', lang.id, 'default' + lang.extensions[0]), 'utf8');
            expect(example).toEqual(lang.example);
        }
    });
});
