root
59 lines
2.1 KiB
TypeScript
59 lines
2.1 KiB
TypeScript
import {
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getDirection,
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hreflangMap,
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isLocale,
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localeFromAcceptLanguage,
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localeSwitchUrl,
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localizedPath,
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routeById,
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routeIdFromPathname,
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routeIdFromSlug,
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} from '@/lib/localization/config';
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import { describe, expect, it } from 'vitest';
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describe('localization foundations', () => {
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it('selects a supported locale by quality', () => {
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expect(localeFromAcceptLanguage('de-DE;q=0.9, ar;q=0.8, fr;q=0.7')).toBe('ar');
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expect(localeFromAcceptLanguage('fr-CA, en;q=0.8')).toBe('fr');
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expect(localeFromAcceptLanguage(null)).toBe('en');
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});
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it('validates locale direction and route lookup', () => {
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expect(isLocale('fr')).toBe(true);
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expect(isLocale('de')).toBe(false);
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expect(getDirection('ar')).toBe('rtl');
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expect(routeById('home').id).toBe('home');
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});
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it('generates and resolves localized stable route paths', () => {
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expect(localizedPath('home', 'ar')).toBe('/ar');
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expect(localizedPath('privacy', 'fr')).toBe('/fr/confidentialite');
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expect(localizedPath('login', 'ar')).toBe('/ar/تسجيل-الدخول');
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expect(routeIdFromSlug('fr', 'confidentialite')).toBe('privacy');
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expect(routeIdFromPathname('/ar/%D8%A7%D9%84%D8%AE%D8%B5%D9%88%D8%B5%D9%8A%D8%A9')).toBe(
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'privacy',
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);
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expect(routeIdFromPathname('/de')).toBeNull();
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});
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it('generates reciprocal hreflang values', () => {
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const links = hreflangMap(new URL('https://approved.test'), 'home');
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expect(links.en).toBe('https://approved.test/en');
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expect(links.ar).toBe('https://approved.test/ar');
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expect(links['x-default']).toBe('https://approved.test/en');
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});
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it('preserves only approved campaign query values and valid hashes', () => {
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const current = new URL(
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'https://approved.test/en?utm_source=campaign&email=private%40approved.test#gibberish',
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);
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const switched = localeSwitchUrl(current, 'fr', 'home');
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expect(switched.pathname).toBe('/fr');
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expect(switched.search).toBe('?utm_source=campaign');
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expect(switched.hash).toBe('');
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current.hash = '#workflow';
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expect(localeSwitchUrl(current, 'ar', 'home').hash).toBe('#workflow');
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});
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});
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