test/check-img.ts

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import fs from 'fs';
import path from 'path';

import {assert} from 'chai';

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

const img_dir = path.resolve('views/resources/logos');

function checkImage(logo) {
    const logoPath = path.join(img_dir, logo);
    assert.isTrue(fs.existsSync(logoPath), `${logoPath} logo missing`);
}

describe('Language logo check', () => {
    for (const langId in languages) {
        const language = languages[langId];
        if (language.logoUrl !== null) {
            it(`check if default ${language.name} logo exists`, () => checkImage(language.logoUrl));
        }

        if (language.logoUrlDark !== null) {
            it(`check if dark ${language.name} logo exists`, () => checkImage(language.logoUrlDark));
        }
    }
});