110 lines
4.3 KiB
TypeScript
110 lines
4.3 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {DeprecatedCurrencyPipe, DeprecatedDecimalPipe, DeprecatedPercentPipe} from '@angular/common';
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import {beforeEach, describe, expect, it} from '@angular/core/testing/src/testing_internal';
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import {browserDetection} from '@angular/platform-browser/testing/src/browser_util';
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(function() {
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function isNumeric(value: any): boolean { return !isNaN(value - parseFloat(value)); }
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// Between the symbol and the number, Edge adds a no breaking space and IE11 adds a standard space
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function normalize(s: string): string { return s.replace(/\u00A0| /g, ''); }
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describe('Number pipes', () => {
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describe('DeprecatedDecimalPipe', () => {
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let pipe: DeprecatedDecimalPipe;
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beforeEach(() => { pipe = new DeprecatedDecimalPipe('en-US'); });
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describe('transform', () => {
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it('should return correct value for numbers', () => {
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expect(pipe.transform(12345)).toEqual('12,345');
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expect(pipe.transform(123, '.2')).toEqual('123.00');
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expect(pipe.transform(1, '3.')).toEqual('001');
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expect(pipe.transform(1.1, '3.4-5')).toEqual('001.1000');
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expect(pipe.transform(1.123456, '3.4-5')).toEqual('001.12346');
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expect(pipe.transform(1.1234)).toEqual('1.123');
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});
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it('should support strings', () => {
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expect(pipe.transform('12345')).toEqual('12,345');
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expect(pipe.transform('123', '.2')).toEqual('123.00');
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expect(pipe.transform('1', '3.')).toEqual('001');
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expect(pipe.transform('1.1', '3.4-5')).toEqual('001.1000');
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expect(pipe.transform('1.123456', '3.4-5')).toEqual('001.12346');
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expect(pipe.transform('1.1234')).toEqual('1.123');
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});
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it('should not support other objects', () => {
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expect(() => pipe.transform(new Object())).toThrowError();
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expect(() => pipe.transform('123abc')).toThrowError();
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});
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});
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});
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describe('DeprecatedPercentPipe', () => {
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let pipe: DeprecatedPercentPipe;
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beforeEach(() => { pipe = new DeprecatedPercentPipe('en-US'); });
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describe('transform', () => {
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it('should return correct value for numbers', () => {
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expect(normalize(pipe.transform(1.23) !)).toEqual('123%');
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expect(normalize(pipe.transform(1.2, '.2') !)).toEqual('120.00%');
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});
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it('should not support other objects',
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() => { expect(() => pipe.transform(new Object())).toThrowError(); });
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});
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});
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describe('DeprecatedCurrencyPipe', () => {
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let pipe: DeprecatedCurrencyPipe;
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beforeEach(() => { pipe = new DeprecatedCurrencyPipe('en-US'); });
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describe('transform', () => {
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it('should return correct value for numbers', () => {
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// In old Chrome, default formatiing for USD is different
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if (browserDetection.isOldChrome) {
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expect(normalize(pipe.transform(123) !)).toEqual('USD123');
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} else {
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expect(normalize(pipe.transform(123) !)).toEqual('USD123.00');
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}
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expect(normalize(pipe.transform(12, 'EUR', false, '.1') !)).toEqual('EUR12.0');
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expect(normalize(pipe.transform(5.1234, 'USD', false, '.0-3') !)).toEqual('USD5.123');
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});
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it('should not support other objects',
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() => { expect(() => pipe.transform(new Object())).toThrowError(); });
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});
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});
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describe('isNumeric', () => {
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it('should return true when passing correct numeric string',
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() => { expect(isNumeric('2')).toBe(true); });
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it('should return true when passing correct double string',
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() => { expect(isNumeric('1.123')).toBe(true); });
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it('should return true when passing correct negative string',
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() => { expect(isNumeric('-2')).toBe(true); });
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it('should return true when passing correct scientific notation string',
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() => { expect(isNumeric('1e5')).toBe(true); });
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it('should return false when passing incorrect numeric',
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() => { expect(isNumeric('a')).toBe(false); });
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it('should return false when passing parseable but non numeric',
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() => { expect(isNumeric('2a')).toBe(false); });
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});
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});
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})();
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