/** * @license * Copyright Google Inc. 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 localeEsUS from '@angular/common/locales/es-US'; import localeFr from '@angular/common/locales/fr'; import localeAr from '@angular/common/locales/ar'; import {formatCurrency, formatNumber, formatPercent} from '@angular/common'; import {describe, expect, it} from '@angular/core/testing/src/testing_internal'; import {ɵDEFAULT_LOCALE_ID, ɵunregisterLocaleData, ɵregisterLocaleData} from '@angular/core'; describe('Format number', () => { beforeAll(() => { ɵregisterLocaleData(localeEn); ɵregisterLocaleData(localeEsUS); ɵregisterLocaleData(localeFr); ɵregisterLocaleData(localeAr); }); afterAll(() => ɵunregisterLocaleData()); describe('Number', () => { describe('transform', () => { it('should return correct value for numbers', () => { expect(formatNumber(12345, ɵDEFAULT_LOCALE_ID)).toEqual('12,345'); expect(formatNumber(123, ɵDEFAULT_LOCALE_ID, '.2')).toEqual('123.00'); expect(formatNumber(1, ɵDEFAULT_LOCALE_ID, '3.')).toEqual('001'); expect(formatNumber(1.1, ɵDEFAULT_LOCALE_ID, '3.4-5')).toEqual('001.1000'); expect(formatNumber(1.123456, ɵDEFAULT_LOCALE_ID, '3.4-5')).toEqual('001.12346'); expect(formatNumber(1.1234, ɵDEFAULT_LOCALE_ID)).toEqual('1.123'); expect(formatNumber(1.123456, ɵDEFAULT_LOCALE_ID, '.2')).toEqual('1.123'); expect(formatNumber(1.123456, ɵDEFAULT_LOCALE_ID, '.4')).toEqual('1.1235'); }); it('should throw if minFractionDigits is explicitly higher than maxFractionDigits', () => { expect(() => formatNumber(1.1, ɵDEFAULT_LOCALE_ID, '3.4-2')) .toThrowError(/is higher than the maximum/); }); }); describe('transform with custom locales', () => { it('should return the correct format for es-US', () => { expect(formatNumber(9999999.99, 'es-US', '1.2-2')).toEqual('9,999,999.99'); }); }); }); describe('Percent', () => { describe('transform', () => { it('should return correct value for numbers', () => { expect(formatPercent(1.23, ɵDEFAULT_LOCALE_ID)).toEqual('123%'); expect(formatPercent(1.2, ɵDEFAULT_LOCALE_ID, '.2')).toEqual('120.00%'); expect(formatPercent(1.2, ɵDEFAULT_LOCALE_ID, '4.2')).toEqual('0,120.00%'); expect(formatPercent(1.2, 'fr', '4.2')).toEqual('0\u202f120,00 %'); expect(formatPercent(1.2, 'ar', '4.2')).toEqual('0,120.00‎%‎'); // see issue #20136 expect(formatPercent(0.12345674, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('12.345674%'); expect(formatPercent(0, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('0%'); expect(formatPercent(0.00, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('0%'); expect(formatPercent(1, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('100%'); expect(formatPercent(0.1, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('10%'); expect(formatPercent(0.12, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('12%'); expect(formatPercent(0.123, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('12.3%'); expect(formatPercent(12.3456, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('1,234.56%'); expect(formatPercent(12.345600, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('1,234.56%'); expect(formatPercent(12.345699999, ɵDEFAULT_LOCALE_ID, '0.0-6')).toEqual('1,234.57%'); expect(formatPercent(12.345699999, ɵDEFAULT_LOCALE_ID, '0.4-6')).toEqual('1,234.5700%'); expect(formatPercent(100, ɵDEFAULT_LOCALE_ID, '0.4-6')).toEqual('10,000.0000%'); expect(formatPercent(100, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('10,000%'); expect(formatPercent(1.5e2, ɵDEFAULT_LOCALE_ID)).toEqual('15,000%'); expect(formatPercent(1e100, ɵDEFAULT_LOCALE_ID)).toEqual('1E+102%'); }); }); }); describe('Currency', () => { const defaultCurrencyCode = 'USD'; describe('transform', () => { it('should return correct value for numbers', () => { expect(formatCurrency(123, ɵDEFAULT_LOCALE_ID, '$')).toEqual('$123.00'); expect(formatCurrency(12, ɵDEFAULT_LOCALE_ID, 'EUR', 'EUR', '.1')).toEqual('EUR12.0'); expect(formatCurrency( 5.1234, ɵDEFAULT_LOCALE_ID, defaultCurrencyCode, defaultCurrencyCode, '.0-3')) .toEqual('USD5.123'); expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, defaultCurrencyCode)).toEqual('USD5.12'); expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, '$')).toEqual('$5.12'); expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'CA$')).toEqual('CA$5.12'); expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, '$')).toEqual('$5.12'); expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, '$', defaultCurrencyCode, '5.2-2')) .toEqual('$00,005.12'); expect(formatCurrency(5.1234, 'fr', '$', defaultCurrencyCode, '5.2-2')) .toEqual('00\u202f005,12 $'); expect(formatCurrency(5, 'fr', '$US', defaultCurrencyCode)).toEqual('5,00 $US'); }); it('should support any currency code name', () => { // currency code is unknown, default formatting options will be used expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'unexisting_ISO_code')) .toEqual('unexisting_ISO_code5.12'); // currency code is USD, the pipe will format based on USD but will display "Custom name" expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'Custom name')) .toEqual('Custom name5.12'); }); it('should round to the default number of digits if no digitsInfo', () => { // GNF has a default number of digits of 0 expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'GNF', 'GNF')).toEqual('GNF5'); expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'GNF', 'GNF', '.2')).toEqual('GNF5.12'); expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'Custom name', 'GNF')) .toEqual('Custom name5'); // BHD has a default number of digits of 3 expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'BHD', 'BHD')).toEqual('BHD5.123'); expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'BHD', 'BHD', '.1-2')).toEqual('BHD5.12'); }); }); }); });