angular-docs-cn/modules/@angular/forms/test/form_builder_spec.ts

72 lines
2.6 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 {afterEach, beforeEach, ddescribe, describe, expect, iit, it, xit} from '@angular/core/testing/testing_internal';
import {FormBuilder, FormControl} from '@angular/forms';
import {PromiseWrapper} from '../src/facade/promise';
export function main() {
function syncValidator(_: any /** TODO #9100 */): any /** TODO #9100 */ { return null; }
function asyncValidator(_: any /** TODO #9100 */) { return PromiseWrapper.resolve(null); }
describe('Form Builder', () => {
var b: any /** TODO #9100 */;
beforeEach(() => { b = new FormBuilder(); });
it('should create controls from a value', () => {
var g = b.group({'login': 'some value'});
expect(g.controls['login'].value).toEqual('some value');
});
it('should create controls from an array', () => {
var g = b.group(
{'login': ['some value'], 'password': ['some value', syncValidator, asyncValidator]});
expect(g.controls['login'].value).toEqual('some value');
expect(g.controls['password'].value).toEqual('some value');
expect(g.controls['password'].validator).toEqual(syncValidator);
expect(g.controls['password'].asyncValidator).toEqual(asyncValidator);
});
it('should use controls', () => {
var g = b.group({'login': b.control('some value', syncValidator, asyncValidator)});
expect(g.controls['login'].value).toEqual('some value');
expect(g.controls['login'].validator).toBe(syncValidator);
expect(g.controls['login'].asyncValidator).toBe(asyncValidator);
});
it('should create groups with optional controls', () => {
var g = b.group({'login': 'some value'}, {'optionals': {'login': false}});
expect(g.contains('login')).toEqual(false);
});
it('should create groups with a custom validator', () => {
var g = b.group(
{'login': 'some value'}, {'validator': syncValidator, 'asyncValidator': asyncValidator});
expect(g.validator).toBe(syncValidator);
expect(g.asyncValidator).toBe(asyncValidator);
});
it('should create control arrays', () => {
var c = b.control('three');
var a = b.array(
['one', ['two', syncValidator], c, b.array(['four'])], syncValidator, asyncValidator);
expect(a.value).toEqual(['one', 'two', 'three', ['four']]);
expect(a.validator).toBe(syncValidator);
expect(a.asyncValidator).toBe(asyncValidator);
});
});
}