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

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import {ddescribe, describe, it, iit, xit, expect, beforeEach, afterEach} from 'angular2/test_lib';
import {
DecimalPipe,
PercentPipe,
CurrencyPipe
} from 'angular2/src/change_detection/pipes/number_pipe';
export function main() {
describe("DecimalPipe", () => {
var pipe;
beforeEach(() => { pipe = new DecimalPipe(); });
describe("supports", () => {
it("should support numbers", () => { expect(pipe.supports(123.0)).toBe(true); });
it("should not support other objects", () => {
expect(pipe.supports(new Object())).toBe(false);
expect(pipe.supports('str')).toBe(false);
expect(pipe.supports(null)).toBe(false);
});
});
describe("transform", () => {
it('should return correct value', () => {
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');
});
});
});
describe("PercentPipe", () => {
var pipe;
beforeEach(() => { pipe = new PercentPipe(); });
describe("supports", () => {
it("should support numbers", () => { expect(pipe.supports(123.0)).toBe(true); });
it("should not support other objects", () => {
expect(pipe.supports(new Object())).toBe(false);
expect(pipe.supports('str')).toBe(false);
expect(pipe.supports(null)).toBe(false);
});
});
describe("transform", () => {
it('should return correct value', () => {
expect(pipe.transform(1.23, [])).toEqual('123%');
expect(pipe.transform(1.2, ['.2'])).toEqual('120.00%');
});
});
});
describe("CurrencyPipe", () => {
var pipe;
beforeEach(() => { pipe = new CurrencyPipe(); });
describe("supports", () => {
it("should support numbers", () => { expect(pipe.supports(123.0)).toBe(true); });
it("should not support other objects", () => {
expect(pipe.supports(new Object())).toBe(false);
expect(pipe.supports('str')).toBe(false);
expect(pipe.supports(null)).toBe(false);
});
});
describe("transform", () => {
it('should return correct value', () => {
expect(pipe.transform(123, [])).toEqual('USD123');
expect(pipe.transform(12, ['EUR', false, '.2'])).toEqual('EUR12.00');
});
});
});
}