965 lines
32 KiB
TypeScript
965 lines
32 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {fakeAsync, flushMicrotasks, tick} from '@angular/core/testing';
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import {afterEach, beforeEach, ddescribe, describe, iit, inject, it, xit} from '@angular/core/testing/testing_internal';
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import {AsyncTestCompleter} from '@angular/core/testing/testing_internal';
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import {FormArray, FormControl, FormGroup, Validators} from '@angular/forms';
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import {EventEmitter, ObservableWrapper, TimerWrapper} from '../src/facade/async';
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import {IS_DART, isPresent} from '../src/facade/lang';
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import {PromiseWrapper} from '../src/facade/promise';
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export function main() {
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function asyncValidator(expected: any /** TODO #9100 */, timeouts = /*@ts2dart_const*/ {}) {
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return (c: any /** TODO #9100 */) => {
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var completer = PromiseWrapper.completer();
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var t = isPresent((timeouts as any /** TODO #9100 */)[c.value]) ?
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(timeouts as any /** TODO #9100 */)[c.value] :
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0;
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var res = c.value != expected ? {'async': true} : null;
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if (t == 0) {
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completer.resolve(res);
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} else {
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TimerWrapper.setTimeout(() => { completer.resolve(res); }, t);
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}
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return completer.promise;
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};
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}
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function asyncValidatorReturningObservable(c: FormControl) {
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var e = new EventEmitter();
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PromiseWrapper.scheduleMicrotask(() => ObservableWrapper.callEmit(e, {'async': true}));
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return e;
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}
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function otherAsyncValidator() { return PromiseWrapper.resolve({'other': true}); }
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describe('Form Model', () => {
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describe('FormControl', () => {
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it('should default the value to null', () => {
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var c = new FormControl();
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expect(c.value).toBe(null);
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});
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describe('validator', () => {
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it('should run validator with the initial value', () => {
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var c = new FormControl('value', Validators.required);
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expect(c.valid).toEqual(true);
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});
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it('should rerun the validator when the value changes', () => {
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var c = new FormControl('value', Validators.required);
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c.updateValue(null);
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expect(c.valid).toEqual(false);
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});
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it('should support arrays of validator functions if passed', () => {
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const c = new FormControl('value', [Validators.required, Validators.minLength(3)]);
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c.updateValue('a');
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expect(c.valid).toEqual(false);
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c.updateValue('aaa');
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expect(c.valid).toEqual(true);
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});
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it('should return errors', () => {
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var c = new FormControl(null, Validators.required);
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expect(c.errors).toEqual({'required': true});
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});
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it('should set single validator', () => {
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var c = new FormControl(null);
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expect(c.valid).toEqual(true);
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c.setValidators(Validators.required);
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c.updateValue(null);
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expect(c.valid).toEqual(false);
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c.updateValue('abc');
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expect(c.valid).toEqual(true);
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});
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it('should set multiple validators from array', () => {
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var c = new FormControl('');
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expect(c.valid).toEqual(true);
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c.setValidators([Validators.minLength(5), Validators.required]);
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c.updateValue('');
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expect(c.valid).toEqual(false);
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c.updateValue('abc');
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expect(c.valid).toEqual(false);
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c.updateValue('abcde');
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expect(c.valid).toEqual(true);
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});
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it('should clear validators', () => {
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var c = new FormControl('', Validators.required);
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expect(c.valid).toEqual(false);
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c.clearValidators();
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expect(c.validator).toEqual(null);
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c.updateValue('');
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expect(c.valid).toEqual(true);
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});
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it('should add after clearing', () => {
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var c = new FormControl('', Validators.required);
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expect(c.valid).toEqual(false);
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c.clearValidators();
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expect(c.validator).toEqual(null);
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c.setValidators([Validators.required]);
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expect(c.validator).not.toBe(null);
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});
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});
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describe('asyncValidator', () => {
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it('should run validator with the initial value', fakeAsync(() => {
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var c = new FormControl('value', null, asyncValidator('expected'));
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tick();
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({'async': true});
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}));
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it('should support validators returning observables', fakeAsync(() => {
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var c = new FormControl('value', null, asyncValidatorReturningObservable);
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tick();
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({'async': true});
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}));
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it('should rerun the validator when the value changes', fakeAsync(() => {
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var c = new FormControl('value', null, asyncValidator('expected'));
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c.updateValue('expected');
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tick();
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expect(c.valid).toEqual(true);
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}));
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it('should run the async validator only when the sync validator passes', fakeAsync(() => {
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var c = new FormControl('', Validators.required, asyncValidator('expected'));
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tick();
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expect(c.errors).toEqual({'required': true});
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c.updateValue('some value');
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tick();
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expect(c.errors).toEqual({'async': true});
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}));
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it('should mark the control as pending while running the async validation',
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fakeAsync(() => {
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var c = new FormControl('', null, asyncValidator('expected'));
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expect(c.pending).toEqual(true);
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tick();
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expect(c.pending).toEqual(false);
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}));
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it('should only use the latest async validation run', fakeAsync(() => {
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var c = new FormControl(
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'', null, asyncValidator('expected', {'long': 200, 'expected': 100}));
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c.updateValue('long');
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c.updateValue('expected');
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tick(300);
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expect(c.valid).toEqual(true);
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}));
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it('should support arrays of async validator functions if passed', fakeAsync(() => {
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const c =
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new FormControl('value', null, [asyncValidator('expected'), otherAsyncValidator]);
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tick();
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expect(c.errors).toEqual({'async': true, 'other': true});
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}));
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it('should add single async validator', fakeAsync(() => {
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var c = new FormControl('value', null);
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c.setAsyncValidators(asyncValidator('expected'));
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expect(c.asyncValidator).not.toEqual(null);
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c.updateValue('expected');
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tick();
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expect(c.valid).toEqual(true);
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}));
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it('should add async validator from array', fakeAsync(() => {
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var c = new FormControl('value', null);
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c.setAsyncValidators([asyncValidator('expected')]);
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expect(c.asyncValidator).not.toEqual(null);
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c.updateValue('expected');
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tick();
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expect(c.valid).toEqual(true);
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}));
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it('should clear async validators', fakeAsync(() => {
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var c = new FormControl('value', [asyncValidator('expected'), otherAsyncValidator]);
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c.clearValidators();
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expect(c.asyncValidator).toEqual(null);
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}));
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});
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describe('dirty', () => {
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it('should be false after creating a control', () => {
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var c = new FormControl('value');
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expect(c.dirty).toEqual(false);
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});
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it('should be true after changing the value of the control', () => {
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var c = new FormControl('value');
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c.markAsDirty();
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expect(c.dirty).toEqual(true);
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});
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});
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describe('updateValue', () => {
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var g: any /** TODO #9100 */, c: any /** TODO #9100 */;
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beforeEach(() => {
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c = new FormControl('oldValue');
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g = new FormGroup({'one': c});
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});
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it('should update the value of the control', () => {
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c.updateValue('newValue');
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expect(c.value).toEqual('newValue');
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});
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it('should invoke ngOnChanges if it is present', () => {
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var ngOnChanges: any /** TODO #9100 */;
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c.registerOnChange((v: any /** TODO #9100 */) => ngOnChanges = ['invoked', v]);
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c.updateValue('newValue');
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expect(ngOnChanges).toEqual(['invoked', 'newValue']);
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});
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it('should not invoke on change when explicitly specified', () => {
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var onChange: any /** TODO #9100 */ = null;
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c.registerOnChange((v: any /** TODO #9100 */) => onChange = ['invoked', v]);
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c.updateValue('newValue', {emitModelToViewChange: false});
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expect(onChange).toBeNull();
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});
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it('should update the parent', () => {
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c.updateValue('newValue');
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expect(g.value).toEqual({'one': 'newValue'});
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});
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it('should not update the parent when explicitly specified', () => {
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c.updateValue('newValue', {onlySelf: true});
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expect(g.value).toEqual({'one': 'oldValue'});
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});
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it('should fire an event', fakeAsync(() => {
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ObservableWrapper.subscribe(
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c.valueChanges, (value) => { expect(value).toEqual('newValue'); });
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c.updateValue('newValue');
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tick();
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}));
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it('should not fire an event when explicitly specified', fakeAsync(() => {
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ObservableWrapper.subscribe(c.valueChanges, (value) => { throw 'Should not happen'; });
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c.updateValue('newValue', {emitEvent: false});
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tick();
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}));
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});
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describe('valueChanges & statusChanges', () => {
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var c: any /** TODO #9100 */;
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beforeEach(() => { c = new FormControl('old', Validators.required); });
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it('should fire an event after the value has been updated',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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ObservableWrapper.subscribe(c.valueChanges, (value) => {
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expect(c.value).toEqual('new');
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expect(value).toEqual('new');
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async.done();
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});
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c.updateValue('new');
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}));
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it('should fire an event after the status has been updated to invalid', fakeAsync(() => {
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ObservableWrapper.subscribe(c.statusChanges, (status) => {
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expect(c.status).toEqual('INVALID');
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expect(status).toEqual('INVALID');
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});
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c.updateValue('');
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tick();
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}));
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it('should fire an event after the status has been updated to pending', fakeAsync(() => {
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var c = new FormControl('old', Validators.required, asyncValidator('expected'));
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var log: any[] /** TODO #9100 */ = [];
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ObservableWrapper.subscribe(c.valueChanges, (value) => log.push(`value: '${value}'`));
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ObservableWrapper.subscribe(
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c.statusChanges, (status) => log.push(`status: '${status}'`));
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c.updateValue('');
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tick();
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c.updateValue('nonEmpty');
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tick();
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c.updateValue('expected');
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tick();
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expect(log).toEqual([
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'' +
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'value: \'\'',
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'status: \'INVALID\'',
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'value: \'nonEmpty\'',
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'status: \'PENDING\'',
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'status: \'INVALID\'',
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'value: \'expected\'',
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'status: \'PENDING\'',
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'status: \'VALID\'',
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]);
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}));
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// TODO: remove the if statement after making observable delivery sync
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if (!IS_DART) {
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it('should update set errors and status before emitting an event',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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c.valueChanges.subscribe((value: any /** TODO #9100 */) => {
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({'required': true});
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async.done();
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});
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c.updateValue('');
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}));
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}
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it('should return a cold observable',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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c.updateValue('will be ignored');
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ObservableWrapper.subscribe(c.valueChanges, (value) => {
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expect(value).toEqual('new');
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async.done();
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});
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c.updateValue('new');
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}));
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});
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describe('setErrors', () => {
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it('should set errors on a control', () => {
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var c = new FormControl('someValue');
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c.setErrors({'someError': true});
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({'someError': true});
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});
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it('should reset the errors and validity when the value changes', () => {
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var c = new FormControl('someValue', Validators.required);
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c.setErrors({'someError': true});
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c.updateValue('');
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expect(c.errors).toEqual({'required': true});
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});
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it('should update the parent group\'s validity', () => {
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var c = new FormControl('someValue');
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var g = new FormGroup({'one': c});
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expect(g.valid).toEqual(true);
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c.setErrors({'someError': true});
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expect(g.valid).toEqual(false);
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});
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it('should not reset parent\'s errors', () => {
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var c = new FormControl('someValue');
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var g = new FormGroup({'one': c});
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g.setErrors({'someGroupError': true});
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c.setErrors({'someError': true});
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expect(g.errors).toEqual({'someGroupError': true});
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});
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it('should reset errors when updating a value', () => {
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var c = new FormControl('oldValue');
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var g = new FormGroup({'one': c});
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g.setErrors({'someGroupError': true});
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c.setErrors({'someError': true});
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c.updateValue('newValue');
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expect(c.errors).toEqual(null);
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expect(g.errors).toEqual(null);
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});
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});
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});
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describe('FormGroup', () => {
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describe('value', () => {
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it('should be the reduced value of the child controls', () => {
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var g = new FormGroup({'one': new FormControl('111'), 'two': new FormControl('222')});
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expect(g.value).toEqual({'one': '111', 'two': '222'});
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});
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it('should be empty when there are no child controls', () => {
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var g = new FormGroup({});
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expect(g.value).toEqual({});
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});
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it('should support nested groups', () => {
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var g = new FormGroup({
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'one': new FormControl('111'),
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'nested': new FormGroup({'two': new FormControl('222')})
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});
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expect(g.value).toEqual({'one': '111', 'nested': {'two': '222'}});
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(<FormControl>(g.controls['nested'].find('two'))).updateValue('333');
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expect(g.value).toEqual({'one': '111', 'nested': {'two': '333'}});
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});
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});
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describe('adding and removing controls', () => {
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it('should update value and validity when control is added', () => {
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var g = new FormGroup({'one': new FormControl('1')});
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expect(g.value).toEqual({'one': '1'});
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expect(g.valid).toBe(true);
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g.addControl('two', new FormControl('2', Validators.minLength(10)));
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expect(g.value).toEqual({'one': '1', 'two': '2'});
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expect(g.valid).toBe(false);
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});
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it('should update value and validity when control is removed', () => {
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var g = new FormGroup(
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{'one': new FormControl('1'), 'two': new FormControl('2', Validators.minLength(10))});
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expect(g.value).toEqual({'one': '1', 'two': '2'});
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expect(g.valid).toBe(false);
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g.removeControl('two');
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expect(g.value).toEqual({'one': '1'});
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expect(g.valid).toBe(true);
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});
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});
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describe('errors', () => {
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it('should run the validator when the value changes', () => {
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var simpleValidator = (c: any /** TODO #9100 */) =>
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c.controls['one'].value != 'correct' ? {'broken': true} : null;
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var c = new FormControl(null);
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var g = new FormGroup({'one': c}, null, simpleValidator);
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c.updateValue('correct');
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expect(g.valid).toEqual(true);
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expect(g.errors).toEqual(null);
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c.updateValue('incorrect');
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expect(g.valid).toEqual(false);
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expect(g.errors).toEqual({'broken': true});
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});
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});
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describe('dirty', () => {
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var c: any /** TODO #9100 */, g: any /** TODO #9100 */;
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beforeEach(() => {
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c = new FormControl('value');
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g = new FormGroup({'one': c});
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});
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it('should be false after creating a control', () => { expect(g.dirty).toEqual(false); });
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it('should be false after changing the value of the control', () => {
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c.markAsDirty();
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expect(g.dirty).toEqual(true);
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});
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});
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describe('optional components', () => {
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describe('contains', () => {
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var group: any /** TODO #9100 */;
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beforeEach(() => {
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group = new FormGroup(
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{
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'required': new FormControl('requiredValue'),
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'optional': new FormControl('optionalValue')
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},
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{'optional': false});
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});
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// rename contains into has
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it('should return false when the component is not included',
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() => { expect(group.contains('optional')).toEqual(false); })
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it('should return false when there is no component with the given name',
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() => { expect(group.contains('something else')).toEqual(false); });
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it('should return true when the component is included', () => {
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expect(group.contains('required')).toEqual(true);
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group.include('optional');
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|
|
expect(group.contains('optional')).toEqual(true);
|
|
});
|
|
});
|
|
|
|
it('should not include an inactive component into the group value', () => {
|
|
var group = new FormGroup(
|
|
{
|
|
'required': new FormControl('requiredValue'),
|
|
'optional': new FormControl('optionalValue')
|
|
},
|
|
{'optional': false});
|
|
|
|
expect(group.value).toEqual({'required': 'requiredValue'});
|
|
|
|
group.include('optional');
|
|
|
|
expect(group.value).toEqual({'required': 'requiredValue', 'optional': 'optionalValue'});
|
|
});
|
|
|
|
it('should not run Validators on an inactive component', () => {
|
|
var group = new FormGroup(
|
|
{
|
|
'required': new FormControl('requiredValue', Validators.required),
|
|
'optional': new FormControl('', Validators.required)
|
|
},
|
|
{'optional': false});
|
|
|
|
expect(group.valid).toEqual(true);
|
|
|
|
group.include('optional');
|
|
|
|
expect(group.valid).toEqual(false);
|
|
});
|
|
});
|
|
|
|
describe('valueChanges', () => {
|
|
var g: FormGroup, c1: FormControl, c2: FormControl;
|
|
|
|
beforeEach(() => {
|
|
c1 = new FormControl('old1');
|
|
c2 = new FormControl('old2');
|
|
g = new FormGroup({'one': c1, 'two': c2}, {'two': true});
|
|
});
|
|
|
|
it('should fire an event after the value has been updated',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
ObservableWrapper.subscribe(g.valueChanges, (value) => {
|
|
expect(g.value).toEqual({'one': 'new1', 'two': 'old2'});
|
|
expect(value).toEqual({'one': 'new1', 'two': 'old2'});
|
|
async.done();
|
|
});
|
|
c1.updateValue('new1');
|
|
}));
|
|
|
|
it('should fire an event after the control\'s observable fired an event',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
var controlCallbackIsCalled = false;
|
|
|
|
ObservableWrapper.subscribe(
|
|
c1.valueChanges, (value) => { controlCallbackIsCalled = true; });
|
|
|
|
ObservableWrapper.subscribe(g.valueChanges, (value) => {
|
|
expect(controlCallbackIsCalled).toBe(true);
|
|
async.done();
|
|
});
|
|
|
|
c1.updateValue('new1');
|
|
}));
|
|
|
|
it('should fire an event when a control is excluded',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
ObservableWrapper.subscribe(g.valueChanges, (value) => {
|
|
expect(value).toEqual({'one': 'old1'});
|
|
async.done();
|
|
});
|
|
|
|
g.exclude('two');
|
|
}));
|
|
|
|
it('should fire an event when a control is included',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
g.exclude('two');
|
|
|
|
ObservableWrapper.subscribe(g.valueChanges, (value) => {
|
|
expect(value).toEqual({'one': 'old1', 'two': 'old2'});
|
|
async.done();
|
|
});
|
|
|
|
g.include('two');
|
|
}));
|
|
|
|
it('should fire an event every time a control is updated',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
var loggedValues: any[] /** TODO #9100 */ = [];
|
|
|
|
ObservableWrapper.subscribe(g.valueChanges, (value) => {
|
|
loggedValues.push(value);
|
|
|
|
if (loggedValues.length == 2) {
|
|
expect(loggedValues).toEqual([
|
|
{'one': 'new1', 'two': 'old2'}, {'one': 'new1', 'two': 'new2'}
|
|
]);
|
|
async.done();
|
|
}
|
|
});
|
|
|
|
c1.updateValue('new1');
|
|
c2.updateValue('new2');
|
|
}));
|
|
|
|
xit('should not fire an event when an excluded control is updated',
|
|
inject(
|
|
[AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
// hard to test without hacking zones
|
|
}));
|
|
});
|
|
|
|
describe('statusChanges', () => {
|
|
const control = new FormControl('', asyncValidatorReturningObservable);
|
|
const group = new FormGroup({'one': control});
|
|
|
|
// TODO(kara): update these tests to use fake Async
|
|
it('should fire a statusChange if child has async validation change',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
const loggedValues: string[] = [];
|
|
ObservableWrapper.subscribe(group.statusChanges, (status: string) => {
|
|
loggedValues.push(status);
|
|
if (loggedValues.length === 2) {
|
|
expect(loggedValues).toEqual(['PENDING', 'INVALID']);
|
|
}
|
|
async.done();
|
|
});
|
|
control.updateValue('');
|
|
}));
|
|
});
|
|
|
|
describe('getError', () => {
|
|
it('should return the error when it is present', () => {
|
|
var c = new FormControl('', Validators.required);
|
|
var g = new FormGroup({'one': c});
|
|
expect(c.getError('required')).toEqual(true);
|
|
expect(g.getError('required', ['one'])).toEqual(true);
|
|
});
|
|
|
|
it('should return null otherwise', () => {
|
|
var c = new FormControl('not empty', Validators.required);
|
|
var g = new FormGroup({'one': c});
|
|
expect(c.getError('invalid')).toEqual(null);
|
|
expect(g.getError('required', ['one'])).toEqual(null);
|
|
expect(g.getError('required', ['invalid'])).toEqual(null);
|
|
});
|
|
});
|
|
|
|
describe('asyncValidator', () => {
|
|
it('should run the async validator', fakeAsync(() => {
|
|
var c = new FormControl('value');
|
|
var g = new FormGroup({'one': c}, null, null, asyncValidator('expected'));
|
|
|
|
expect(g.pending).toEqual(true);
|
|
|
|
tick(1);
|
|
|
|
expect(g.errors).toEqual({'async': true});
|
|
expect(g.pending).toEqual(false);
|
|
}));
|
|
|
|
it('should set the parent group\'s status to pending', fakeAsync(() => {
|
|
var c = new FormControl('value', null, asyncValidator('expected'));
|
|
var g = new FormGroup({'one': c});
|
|
|
|
expect(g.pending).toEqual(true);
|
|
|
|
tick(1);
|
|
|
|
expect(g.pending).toEqual(false);
|
|
}));
|
|
|
|
it('should run the parent group\'s async validator when children are pending',
|
|
fakeAsync(() => {
|
|
var c = new FormControl('value', null, asyncValidator('expected'));
|
|
var g = new FormGroup({'one': c}, null, null, asyncValidator('expected'));
|
|
|
|
tick(1);
|
|
|
|
expect(g.errors).toEqual({'async': true});
|
|
expect(g.find(['one']).errors).toEqual({'async': true});
|
|
}));
|
|
})
|
|
});
|
|
|
|
describe('FormArray', () => {
|
|
describe('adding/removing', () => {
|
|
var a: FormArray;
|
|
var c1: any /** TODO #9100 */, c2: any /** TODO #9100 */, c3: any /** TODO #9100 */;
|
|
|
|
beforeEach(() => {
|
|
a = new FormArray([]);
|
|
c1 = new FormControl(1);
|
|
c2 = new FormControl(2);
|
|
c3 = new FormControl(3);
|
|
});
|
|
|
|
it('should support pushing', () => {
|
|
a.push(c1);
|
|
expect(a.length).toEqual(1);
|
|
expect(a.controls).toEqual([c1]);
|
|
});
|
|
|
|
it('should support removing', () => {
|
|
a.push(c1);
|
|
a.push(c2);
|
|
a.push(c3);
|
|
|
|
a.removeAt(1);
|
|
|
|
expect(a.controls).toEqual([c1, c3]);
|
|
});
|
|
|
|
it('should support inserting', () => {
|
|
a.push(c1);
|
|
a.push(c3);
|
|
|
|
a.insert(1, c2);
|
|
|
|
expect(a.controls).toEqual([c1, c2, c3]);
|
|
});
|
|
});
|
|
|
|
describe('value', () => {
|
|
it('should be the reduced value of the child controls', () => {
|
|
var a = new FormArray([new FormControl(1), new FormControl(2)]);
|
|
expect(a.value).toEqual([1, 2]);
|
|
});
|
|
|
|
it('should be an empty array when there are no child controls', () => {
|
|
var a = new FormArray([]);
|
|
expect(a.value).toEqual([]);
|
|
});
|
|
});
|
|
|
|
describe('errors', () => {
|
|
it('should run the validator when the value changes', () => {
|
|
var simpleValidator = (c: any /** TODO #9100 */) =>
|
|
c.controls[0].value != 'correct' ? {'broken': true} : null;
|
|
|
|
var c = new FormControl(null);
|
|
var g = new FormArray([c], simpleValidator);
|
|
|
|
c.updateValue('correct');
|
|
|
|
expect(g.valid).toEqual(true);
|
|
expect(g.errors).toEqual(null);
|
|
|
|
c.updateValue('incorrect');
|
|
|
|
expect(g.valid).toEqual(false);
|
|
expect(g.errors).toEqual({'broken': true});
|
|
});
|
|
});
|
|
|
|
|
|
describe('dirty', () => {
|
|
var c: FormControl;
|
|
var a: FormArray;
|
|
|
|
beforeEach(() => {
|
|
c = new FormControl('value');
|
|
a = new FormArray([c]);
|
|
});
|
|
|
|
it('should be false after creating a control', () => { expect(a.dirty).toEqual(false); });
|
|
|
|
it('should be false after changing the value of the control', () => {
|
|
c.markAsDirty();
|
|
|
|
expect(a.dirty).toEqual(true);
|
|
});
|
|
});
|
|
|
|
describe('pending', () => {
|
|
var c: FormControl;
|
|
var a: FormArray;
|
|
|
|
beforeEach(() => {
|
|
c = new FormControl('value');
|
|
a = new FormArray([c]);
|
|
});
|
|
|
|
it('should be false after creating a control', () => {
|
|
expect(c.pending).toEqual(false);
|
|
expect(a.pending).toEqual(false);
|
|
});
|
|
|
|
it('should be true after changing the value of the control', () => {
|
|
c.markAsPending();
|
|
|
|
expect(c.pending).toEqual(true);
|
|
expect(a.pending).toEqual(true);
|
|
});
|
|
|
|
it('should not update the parent when onlySelf = true', () => {
|
|
c.markAsPending({onlySelf: true});
|
|
|
|
expect(c.pending).toEqual(true);
|
|
expect(a.pending).toEqual(false);
|
|
});
|
|
});
|
|
|
|
describe('valueChanges', () => {
|
|
var a: FormArray;
|
|
var c1: any /** TODO #9100 */, c2: any /** TODO #9100 */;
|
|
|
|
beforeEach(() => {
|
|
c1 = new FormControl('old1');
|
|
c2 = new FormControl('old2');
|
|
a = new FormArray([c1, c2]);
|
|
});
|
|
|
|
it('should fire an event after the value has been updated',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
ObservableWrapper.subscribe(a.valueChanges, (value) => {
|
|
expect(a.value).toEqual(['new1', 'old2']);
|
|
expect(value).toEqual(['new1', 'old2']);
|
|
async.done();
|
|
});
|
|
c1.updateValue('new1');
|
|
}));
|
|
|
|
it('should fire an event after the control\'s observable fired an event',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
var controlCallbackIsCalled = false;
|
|
|
|
ObservableWrapper.subscribe(
|
|
c1.valueChanges, (value) => { controlCallbackIsCalled = true; });
|
|
|
|
ObservableWrapper.subscribe(a.valueChanges, (value) => {
|
|
expect(controlCallbackIsCalled).toBe(true);
|
|
async.done();
|
|
});
|
|
|
|
c1.updateValue('new1');
|
|
}));
|
|
|
|
it('should fire an event when a control is removed',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
ObservableWrapper.subscribe(a.valueChanges, (value) => {
|
|
expect(value).toEqual(['old1']);
|
|
async.done();
|
|
});
|
|
|
|
a.removeAt(1);
|
|
}));
|
|
|
|
it('should fire an event when a control is added',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
a.removeAt(1);
|
|
|
|
ObservableWrapper.subscribe(a.valueChanges, (value) => {
|
|
expect(value).toEqual(['old1', 'old2']);
|
|
async.done();
|
|
});
|
|
|
|
a.push(c2);
|
|
}));
|
|
});
|
|
|
|
describe('find', () => {
|
|
it('should return null when path is null', () => {
|
|
var g = new FormGroup({});
|
|
expect(g.find(null)).toEqual(null);
|
|
});
|
|
|
|
it('should return null when path is empty', () => {
|
|
var g = new FormGroup({});
|
|
expect(g.find([])).toEqual(null);
|
|
});
|
|
|
|
it('should return null when path is invalid', () => {
|
|
var g = new FormGroup({});
|
|
expect(g.find(['one', 'two'])).toEqual(null);
|
|
});
|
|
|
|
it('should return a child of a control group', () => {
|
|
var g = new FormGroup({
|
|
'one': new FormControl('111'),
|
|
'nested': new FormGroup({'two': new FormControl('222')})
|
|
});
|
|
|
|
expect(g.find(['nested', 'two']).value).toEqual('222');
|
|
expect(g.find(['one']).value).toEqual('111');
|
|
expect(g.find('nested/two').value).toEqual('222');
|
|
expect(g.find('one').value).toEqual('111');
|
|
});
|
|
|
|
it('should return an element of an array', () => {
|
|
var g = new FormGroup({'array': new FormArray([new FormControl('111')])});
|
|
|
|
expect(g.find(['array', 0]).value).toEqual('111');
|
|
});
|
|
});
|
|
|
|
describe('asyncValidator', () => {
|
|
it('should run the async validator', fakeAsync(() => {
|
|
var c = new FormControl('value');
|
|
var g = new FormArray([c], null, asyncValidator('expected'));
|
|
|
|
expect(g.pending).toEqual(true);
|
|
|
|
tick(1);
|
|
|
|
expect(g.errors).toEqual({'async': true});
|
|
expect(g.pending).toEqual(false);
|
|
}));
|
|
})
|
|
});
|
|
});
|
|
}
|