angular-cn/modules/@angular/common/test/pipes/number_pipe_spec.ts

90 lines
3.3 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 {afterEach, beforeEach, ddescribe, describe, expect, iit, it, xit} from '@angular/core/testing/testing_internal';
import {browserDetection} from '@angular/platform-browser/testing/browser_util';
export function main() {
describe('Number pipes', () => {
describe('DecimalPipe', () => {
var 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', () => {
var 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', () => {
var 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(); });
});
});
});
}
// 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, '');
}