174 lines
4.2 KiB
TypeScript
174 lines
4.2 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { assert } from 'chai';
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import { stub } from 'sinon';
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import * as LocaleMatcher from '@formatjs/intl-localematcher';
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import { load, _getAvailableLocales } from '../../../app/locale';
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import { FAKE_DEFAULT_LOCALE } from '../../../app/spell_check';
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import { HourCyclePreference } from '../../types/I18N';
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describe('locale', async () => {
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describe('load', () => {
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it('resolves expected locales correctly', async () => {
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const logger = {
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fatal: stub().throwsArg(0),
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error: stub().throwsArg(0),
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warn: stub().throwsArg(0),
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info: stub(),
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debug: stub(),
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trace: stub(),
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};
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async function testCase(
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preferredSystemLocales: Array<string>,
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expectedLocale: string
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) {
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const actualLocale = await load({
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preferredSystemLocales,
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localeOverride: null,
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localeDirectionTestingOverride: null,
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hourCyclePreference: HourCyclePreference.UnknownPreference,
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logger,
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});
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assert.strictEqual(actualLocale.name, expectedLocale);
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}
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// Basic tests
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await testCase(['en'], 'en');
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await testCase(['es'], 'es');
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await testCase(['fr', 'hk'], 'fr');
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await testCase(['fr-FR', 'hk'], 'fr');
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await testCase(['fa-UK'], 'fa-IR');
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await testCase(['an', 'fr-FR'], 'fr'); // If we ever add support for Aragonese, this test will fail.
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// Specific cases we want to ensure work as expected
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await testCase(['zh-TW'], 'zh-Hant');
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await testCase(['zh-Hant-TW'], 'zh-Hant');
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await testCase(['zh-Hant-CA'], 'zh-Hant');
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await testCase(['zh-Hant-HK'], 'zh-HK');
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await testCase(['zh'], 'zh-CN');
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await testCase(['yue'], 'yue');
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await testCase(['ug'], 'ug');
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await testCase(['nn', 'nb'], 'nb');
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await testCase(['es-419'], 'es');
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await testCase(['sr-RO', 'sr'], 'sr');
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await testCase(['sr-RS', 'sr'], 'sr');
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});
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});
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describe('Intl.LocaleMatcher', () => {
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it('should work for single locales outside of their region', () => {
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// Our supported locales where we only have a single region for a language
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const SINGLE_REGION_LOCALES = [
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'af-ZA',
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'az-AZ',
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'bg-BG',
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'bn-BD',
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'bs-BA',
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'et-EE',
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'fa-IR',
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'ga-IE',
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'gl-ES',
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'gu-IN',
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'hi-IN',
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'hr-HR',
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'ka-GE',
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'kk-KZ',
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'km-KH',
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'kn-IN',
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'ky-KG',
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'lt-LT',
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'lv-LV',
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'mk-MK',
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'ml-IN',
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'mr-IN',
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'pa-IN',
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'ro-RO',
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'sk-SK',
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'sl-SI',
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'sq-AL',
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'ta-IN',
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'te-IN',
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'tl-PH',
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'uk-UA',
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];
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// Just a whole bunch of common regions
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const TEST_REGIONS = [
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'AE',
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'AR',
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'AT',
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'AU',
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'BE',
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'CA',
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'CH',
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'CL',
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'CN',
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'CO',
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'CR',
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'CZ',
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'DE',
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'DK',
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'DO',
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'EC',
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'EG',
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'ES',
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'FI',
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'FR',
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'GB',
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'GR',
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'GT',
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'HK',
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'IE',
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'IL',
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'IN',
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'IT',
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'JP',
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'KR',
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'MY',
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'NL',
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'NO',
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'PA',
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'PE',
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'PH',
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'PL',
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'PT',
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'RO',
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'RS',
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'RU',
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'SA',
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'SE',
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'SG',
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'SK',
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'TH',
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'TR',
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'UA',
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'US',
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'VE',
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];
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const availableLocales = _getAvailableLocales();
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for (const locale of SINGLE_REGION_LOCALES) {
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const { language } = new Intl.Locale(locale);
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for (const region of TEST_REGIONS) {
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const newLocale = new Intl.Locale(language, { region });
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const matched = LocaleMatcher.match(
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[newLocale.baseName],
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availableLocales,
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FAKE_DEFAULT_LOCALE,
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{ algorithm: 'best fit' }
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);
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assert.strictEqual(
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matched,
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locale,
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`${locale} -> ${language} -> ${region} -> ${newLocale.baseName} -> ${matched}`
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);
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}
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}
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});
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});
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});
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