angular-docs-cn/modules/angular2/test/pipes/number_pipe_spec.ts

59 lines
1.9 KiB
TypeScript

import {ddescribe, describe, it, iit, xit, expect, beforeEach, afterEach} from 'angular2/test_lib';
import {DecimalPipe, PercentPipe, CurrencyPipe} from 'angular2/pipes';
export function main() {
describe("DecimalPipe", () => {
var pipe;
beforeEach(() => { pipe = new DecimalPipe(); });
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 not support other objects",
() => { expect(() => pipe.transform(new Object(), [])).toThrowError(); });
});
});
describe("PercentPipe", () => {
var pipe;
beforeEach(() => { pipe = new PercentPipe(); });
describe("transform", () => {
it('should return correct value for numbers', () => {
expect(pipe.transform(1.23, [])).toEqual('123%');
expect(pipe.transform(1.2, ['.2'])).toEqual('120.00%');
});
it("should not support other objects",
() => { expect(() => pipe.transform(new Object(), [])).toThrowError(); });
});
});
describe("CurrencyPipe", () => {
var pipe;
beforeEach(() => { pipe = new CurrencyPipe(); });
describe("transform", () => {
it('should return correct value for numbers', () => {
expect(pipe.transform(123, [])).toEqual('USD123');
expect(pipe.transform(12, ['EUR', false, '.2'])).toEqual('EUR12.00');
});
it("should not support other objects",
() => { expect(() => pipe.transform(new Object(), [])).toThrowError(); });
});
});
}