angular-docs-cn/packages/common/test/i18n/locale_data_api_spec.ts

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

import localeEn from '@angular/common/locales/en';
import localeEnAU from '@angular/common/locales/en-AU';
import localeFr from '@angular/common/locales/fr';
import localeHe from '@angular/common/locales/he';
import localeZh from '@angular/common/locales/zh';
import {ɵregisterLocaleData, ɵunregisterLocaleData} from '@angular/core';

import {FormatWidth, FormStyle, getCurrencySymbol, getLocaleDateFormat, getLocaleDayNames, getLocaleDirection, getLocaleMonthNames, getNumberOfCurrencyDigits, TranslationWidth} from '../../src/i18n/locale_data_api';

{
  describe('locale data api', () => {
    beforeAll(() => {
      ɵregisterLocaleData(localeEn);
      ɵregisterLocaleData(localeFr);
      ɵregisterLocaleData(localeZh);
      ɵregisterLocaleData(localeEnAU);
      ɵregisterLocaleData(localeHe);
    });

    afterAll(() => {
      ɵunregisterLocaleData();
    });

    describe('getting currency symbol', () => {
      it('should return the correct symbol', () => {
        expect(getCurrencySymbol('USD', 'wide')).toEqual('$');
        expect(getCurrencySymbol('USD', 'narrow')).toEqual('$');
        expect(getCurrencySymbol('AUD', 'wide')).toEqual('A$');
        expect(getCurrencySymbol('AUD', 'narrow')).toEqual('$');
        expect(getCurrencySymbol('CRC', 'wide')).toEqual('CRC');
        expect(getCurrencySymbol('CRC', 'narrow')).toEqual('₡');
        expect(getCurrencySymbol('unexisting_ISO_code', 'wide')).toEqual('unexisting_ISO_code');
        expect(getCurrencySymbol('unexisting_ISO_code', 'narrow')).toEqual('unexisting_ISO_code');
        expect(getCurrencySymbol('USD', 'wide', 'en-AU')).toEqual('USD');
        expect(getCurrencySymbol('USD', 'narrow', 'en-AU')).toEqual('$');
        expect(getCurrencySymbol('AUD', 'wide', 'en-AU')).toEqual('$');
        expect(getCurrencySymbol('AUD', 'narrow', 'en-AU')).toEqual('$');
        expect(getCurrencySymbol('USD', 'wide', 'fr')).toEqual('$US');
      });
    });

    describe('getNbOfCurrencyDigits', () => {
      it('should return the correct value', () => {
        expect(getNumberOfCurrencyDigits('USD')).toEqual(2);
        expect(getNumberOfCurrencyDigits('GNF')).toEqual(0);
        expect(getNumberOfCurrencyDigits('BHD')).toEqual(3);
        expect(getNumberOfCurrencyDigits('unexisting_ISO_code')).toEqual(2);
      });
    });

    describe('getLastDefinedValue', () => {
      it('should find the last defined date format when format not defined', () => {
        expect(getLocaleDateFormat('zh', FormatWidth.Long)).toEqual('y年M月d日');
      });
    });

    describe('getDirectionality', () => {
      it('should have correct direction for rtl languages', () => {
        expect(getLocaleDirection('he')).toEqual('rtl');
      });

      it('should have correct direction for ltr languages', () => {
        expect(getLocaleDirection('en')).toEqual('ltr');
      });
    });

    describe('getLocaleDayNames', () => {
      it('should return english short list of days', () => {
        expect(
            getLocaleDayNames('en-US', FormStyle.Format, TranslationWidth.Short),
            )
            .toEqual(['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa']);
      });

      it('should return french short list of days', () => {
        expect(
            getLocaleDayNames('fr-CA', FormStyle.Format, TranslationWidth.Short),
            )
            .toEqual(['di', 'lu', 'ma', 'me', 'je', 've', 'sa']);
      });

      it('should return english wide list of days', () => {
        expect(
            getLocaleDayNames('en-US', FormStyle.Format, TranslationWidth.Wide),
            )
            .toEqual(
                ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']);
      });

      it('should return french wide list of days', () => {
        expect(
            getLocaleDayNames('fr-CA', FormStyle.Format, TranslationWidth.Wide),
            )
            .toEqual(['dimanche', 'lundi', 'mardi', 'mercredi', 'jeudi', 'vendredi', 'samedi']);
      });

      it('should return the full short list of days after manipulations', () => {
        const days =
            Array.from(getLocaleDayNames('en-US', FormStyle.Format, TranslationWidth.Short));

        days.splice(2);
        days.push('unexisting_day');

        const newDays = getLocaleDayNames('en-US', FormStyle.Format, TranslationWidth.Short);

        expect(newDays.length).toBe(7);

        expect(newDays).toEqual(['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa']);
      });
    });

    describe('getLocaleMonthNames', () => {
      it('should return english abbreviated list of month', () => {
        expect(getLocaleMonthNames('en-US', FormStyle.Format, TranslationWidth.Abbreviated))
            .toEqual([
              'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'
            ]);
      });

      it('should return french abbreviated list of month', () => {
        expect(getLocaleMonthNames('fr-CA', FormStyle.Format, TranslationWidth.Abbreviated))
            .toEqual([
              'janv.', 'févr.', 'mars', 'avr.', 'mai', 'juin', 'juil.', 'août', 'sept.', 'oct.',
              'nov.', 'déc.'
            ]);
      });

      it('should return english wide list of month', () => {
        expect(getLocaleMonthNames('en-US', FormStyle.Format, TranslationWidth.Wide)).toEqual([
          'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September',
          'October', 'November', 'December'
        ]);
      });

      it('should return french wide list of month', () => {
        expect(getLocaleMonthNames('fr-CA', FormStyle.Format, TranslationWidth.Wide)).toEqual([
          'janvier', 'février', 'mars', 'avril', 'mai', 'juin', 'juillet', 'août', 'septembre',
          'octobre', 'novembre', 'décembre'
        ]);
      });

      it('should return the full abbreviated list of month after manipulations', () => {
        const month = Array.from(
            getLocaleMonthNames('en-US', FormStyle.Format, TranslationWidth.Abbreviated));
        month.splice(2);
        month.push('unexisting_month');

        const newMonth =
            getLocaleMonthNames('en-US', FormStyle.Format, TranslationWidth.Abbreviated);

        expect(newMonth.length).toBe(12);

        expect(newMonth).toEqual(
            ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']);
      });
    });
  });
}