111 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| /**
 | |
|  * @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 {CurrencyPipe, DecimalPipe, PercentPipe} from '@angular/common';
 | |
| import {isNumeric} from '@angular/common/src/pipes/number_pipe';
 | |
| import {beforeEach, describe, expect, it} from '@angular/core/testing/src/testing_internal';
 | |
| import {browserDetection} from '@angular/platform-browser/testing/src/browser_util';
 | |
| 
 | |
| export function main() {
 | |
|   describe('Number pipes', () => {
 | |
|     describe('DecimalPipe', () => {
 | |
|       let pipe: DecimalPipe;
 | |
| 
 | |
|       beforeEach(() => { pipe = new DecimalPipe('en-US'); });
 | |
| 
 | |
|       describe('transform', () => {
 | |
|         it('should return correct value for numbers', () => {
 | |
|           expect(pipe.transform(12345)).toEqual('12,345');
 | |
|           expect(pipe.transform(123, '.2')).toEqual('123.00');
 | |
|           expect(pipe.transform(1, '3.')).toEqual('001');
 | |
|           expect(pipe.transform(1.1, '3.4-5')).toEqual('001.1000');
 | |
|           expect(pipe.transform(1.123456, '3.4-5')).toEqual('001.12346');
 | |
|           expect(pipe.transform(1.1234)).toEqual('1.123');
 | |
|         });
 | |
| 
 | |
|         it('should support strings', () => {
 | |
|           expect(pipe.transform('12345')).toEqual('12,345');
 | |
|           expect(pipe.transform('123', '.2')).toEqual('123.00');
 | |
|           expect(pipe.transform('1', '3.')).toEqual('001');
 | |
|           expect(pipe.transform('1.1', '3.4-5')).toEqual('001.1000');
 | |
|           expect(pipe.transform('1.123456', '3.4-5')).toEqual('001.12346');
 | |
|           expect(pipe.transform('1.1234')).toEqual('1.123');
 | |
|         });
 | |
| 
 | |
|         it('should not support other objects', () => {
 | |
|           expect(() => pipe.transform(new Object())).toThrowError();
 | |
|           expect(() => pipe.transform('123abc')).toThrowError();
 | |
|         });
 | |
|       });
 | |
|     });
 | |
| 
 | |
|     describe('PercentPipe', () => {
 | |
|       let pipe: PercentPipe;
 | |
| 
 | |
|       beforeEach(() => { pipe = new PercentPipe('en-US'); });
 | |
| 
 | |
|       describe('transform', () => {
 | |
|         it('should return correct value for numbers', () => {
 | |
|           expect(normalize(pipe.transform(1.23) !)).toEqual('123%');
 | |
|           expect(normalize(pipe.transform(1.2, '.2') !)).toEqual('120.00%');
 | |
|         });
 | |
| 
 | |
|         it('should not support other objects',
 | |
|            () => { expect(() => pipe.transform(new Object())).toThrowError(); });
 | |
|       });
 | |
|     });
 | |
| 
 | |
|     describe('CurrencyPipe', () => {
 | |
|       let pipe: CurrencyPipe;
 | |
| 
 | |
|       beforeEach(() => { pipe = new CurrencyPipe('en-US'); });
 | |
| 
 | |
|       describe('transform', () => {
 | |
|         it('should return correct value for numbers', () => {
 | |
|           // In old Chrome, default formatiing for USD is different
 | |
|           if (browserDetection.isOldChrome) {
 | |
|             expect(normalize(pipe.transform(123) !)).toEqual('USD123');
 | |
|           } else {
 | |
|             expect(normalize(pipe.transform(123) !)).toEqual('USD123.00');
 | |
|           }
 | |
|           expect(normalize(pipe.transform(12, 'EUR', false, '.1') !)).toEqual('EUR12.0');
 | |
|           expect(normalize(pipe.transform(5.1234, 'USD', false, '.0-3') !)).toEqual('USD5.123');
 | |
|         });
 | |
| 
 | |
|         it('should not support other objects',
 | |
|            () => { expect(() => pipe.transform(new Object())).toThrowError(); });
 | |
|       });
 | |
|     });
 | |
| 
 | |
|     describe('isNumeric', () => {
 | |
|       it('should return true when passing correct numeric string',
 | |
|          () => { expect(isNumeric('2')).toBe(true); });
 | |
| 
 | |
|       it('should return true when passing correct double string',
 | |
|          () => { expect(isNumeric('1.123')).toBe(true); });
 | |
| 
 | |
|       it('should return true when passing correct negative string',
 | |
|          () => { expect(isNumeric('-2')).toBe(true); });
 | |
| 
 | |
|       it('should return true when passing correct scientific notation string',
 | |
|          () => { expect(isNumeric('1e5')).toBe(true); });
 | |
| 
 | |
|       it('should return false when passing incorrect numeric',
 | |
|          () => { expect(isNumeric('a')).toBe(false); });
 | |
| 
 | |
|       it('should return false when passing parseable but non numeric',
 | |
|          () => { expect(isNumeric('2a')).toBe(false); });
 | |
|     });
 | |
|   });
 | |
| }
 | |
| 
 | |
| // Between the symbol and the number, Edge adds a no breaking space and IE11 adds a standard space
 | |
| function normalize(s: string): string {
 | |
|   return s.replace(/\u00A0| /g, '');
 | |
| }
 |