707 lines
23 KiB
TypeScript
707 lines
23 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 {async, fakeAsync, tick} from '@angular/core/testing';
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import {AsyncTestCompleter, beforeEach, ddescribe, describe, iit, inject, it, xit} from '@angular/core/testing/testing_internal';
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import {FormControl, FormGroup, Validators} from '@angular/forms';
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import {EventEmitter} from '../src/facade/async';
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import {isPresent} from '../src/facade/lang';
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export function main() {
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function asyncValidator(expected: any /** TODO #9100 */, timeouts = {}) {
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return (c: any /** TODO #9100 */) => {
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var resolve: (result: any) => void;
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var promise = new Promise(res => { resolve = res; });
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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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resolve(res);
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} else {
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setTimeout(() => { resolve(res); }, t);
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}
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return 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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Promise.resolve(null).then(() => { e.emit({'async': true}); });
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return e;
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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.get('nested.two'))).setValue('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.setValue('correct');
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expect(g.valid).toEqual(true);
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expect(g.errors).toEqual(null);
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c.setValue('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: FormControl, g: FormGroup;
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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 true 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('touched', () => {
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var c: FormControl, g: FormGroup;
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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.touched).toEqual(false); });
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it('should be true after control is marked as touched', () => {
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c.markAsTouched();
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expect(g.touched).toEqual(true);
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});
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});
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describe('setValue', () => {
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let c: FormControl, c2: FormControl, g: FormGroup;
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beforeEach(() => {
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c = new FormControl('');
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c2 = new FormControl('');
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g = new FormGroup({'one': c, 'two': c2});
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});
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it('should set its own value', () => {
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g.setValue({'one': 'one', 'two': 'two'});
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expect(g.value).toEqual({'one': 'one', 'two': 'two'});
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});
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it('should set child values', () => {
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g.setValue({'one': 'one', 'two': 'two'});
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expect(c.value).toEqual('one');
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expect(c2.value).toEqual('two');
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});
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it('should set parent values', () => {
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const form = new FormGroup({'parent': g});
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g.setValue({'one': 'one', 'two': 'two'});
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expect(form.value).toEqual({'parent': {'one': 'one', 'two': 'two'}});
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});
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it('should throw if fields are missing from supplied value (subset)', () => {
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expect(() => g.setValue({
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'one': 'one'
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})).toThrowError(new RegExp(`Must supply a value for form control with name: 'two'`));
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});
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it('should throw if a value is provided for a missing control (superset)', () => {
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expect(() => g.setValue({'one': 'one', 'two': 'two', 'three': 'three'}))
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.toThrowError(new RegExp(`Cannot find form control with name: three`));
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});
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it('should throw if no controls are set yet', () => {
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const empty = new FormGroup({});
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expect(() => empty.setValue({
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'one': 'one'
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})).toThrowError(new RegExp(`no form controls registered with this group`));
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});
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describe('setValue() events', () => {
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let form: FormGroup;
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let logger: any[];
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beforeEach(() => {
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form = new FormGroup({'parent': g});
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logger = [];
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});
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it('should emit one valueChange event per control', () => {
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form.valueChanges.subscribe(() => logger.push('form'));
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g.valueChanges.subscribe(() => logger.push('group'));
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c.valueChanges.subscribe(() => logger.push('control1'));
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c2.valueChanges.subscribe(() => logger.push('control2'));
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g.setValue({'one': 'one', 'two': 'two'});
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expect(logger).toEqual(['control1', 'control2', 'group', 'form']);
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});
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it('should emit one statusChange event per control', () => {
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form.statusChanges.subscribe(() => logger.push('form'));
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g.statusChanges.subscribe(() => logger.push('group'));
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c.statusChanges.subscribe(() => logger.push('control1'));
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c2.statusChanges.subscribe(() => logger.push('control2'));
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g.setValue({'one': 'one', 'two': 'two'});
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expect(logger).toEqual(['control1', 'control2', 'group', 'form']);
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});
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});
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});
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describe('patchValue', () => {
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let c: FormControl, c2: FormControl, g: FormGroup;
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beforeEach(() => {
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c = new FormControl('');
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c2 = new FormControl('');
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g = new FormGroup({'one': c, 'two': c2});
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});
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it('should set its own value', () => {
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g.patchValue({'one': 'one', 'two': 'two'});
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expect(g.value).toEqual({'one': 'one', 'two': 'two'});
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});
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it('should set child values', () => {
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g.patchValue({'one': 'one', 'two': 'two'});
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expect(c.value).toEqual('one');
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expect(c2.value).toEqual('two');
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});
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it('should set parent values', () => {
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const form = new FormGroup({'parent': g});
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g.patchValue({'one': 'one', 'two': 'two'});
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expect(form.value).toEqual({'parent': {'one': 'one', 'two': 'two'}});
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});
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it('should ignore fields that are missing from supplied value (subset)', () => {
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g.patchValue({'one': 'one'});
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expect(g.value).toEqual({'one': 'one', 'two': ''});
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});
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it('should not ignore fields that are null', () => {
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g.patchValue({'one': null});
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expect(g.value).toEqual({'one': null, 'two': ''});
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});
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it('should ignore any value provided for a missing control (superset)', () => {
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g.patchValue({'three': 'three'});
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expect(g.value).toEqual({'one': '', 'two': ''});
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});
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describe('patchValue() events', () => {
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let form: FormGroup;
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let logger: any[];
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beforeEach(() => {
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form = new FormGroup({'parent': g});
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logger = [];
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});
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it('should emit one valueChange event per control', () => {
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form.valueChanges.subscribe(() => logger.push('form'));
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g.valueChanges.subscribe(() => logger.push('group'));
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c.valueChanges.subscribe(() => logger.push('control1'));
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c2.valueChanges.subscribe(() => logger.push('control2'));
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g.patchValue({'one': 'one', 'two': 'two'});
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expect(logger).toEqual(['control1', 'control2', 'group', 'form']);
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});
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it('should not emit valueChange events for skipped controls', () => {
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form.valueChanges.subscribe(() => logger.push('form'));
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g.valueChanges.subscribe(() => logger.push('group'));
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c.valueChanges.subscribe(() => logger.push('control1'));
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c2.valueChanges.subscribe(() => logger.push('control2'));
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g.patchValue({'one': 'one'});
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expect(logger).toEqual(['control1', 'group', 'form']);
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});
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it('should emit one statusChange event per control', () => {
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form.statusChanges.subscribe(() => logger.push('form'));
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g.statusChanges.subscribe(() => logger.push('group'));
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c.statusChanges.subscribe(() => logger.push('control1'));
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c2.statusChanges.subscribe(() => logger.push('control2'));
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g.patchValue({'one': 'one', 'two': 'two'});
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expect(logger).toEqual(['control1', 'control2', 'group', 'form']);
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});
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});
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});
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describe('reset()', () => {
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let c: FormControl, c2: FormControl, g: FormGroup;
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beforeEach(() => {
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c = new FormControl('initial value');
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c2 = new FormControl('');
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g = new FormGroup({'one': c, 'two': c2});
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});
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it('should set its own value if value passed', () => {
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g.setValue({'one': 'new value', 'two': 'new value'});
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g.reset({'one': 'initial value', 'two': ''});
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expect(g.value).toEqual({'one': 'initial value', 'two': ''});
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});
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it('should clear its own value if no value passed', () => {
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g.setValue({'one': 'new value', 'two': 'new value'});
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g.reset();
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expect(g.value).toEqual({'one': null, 'two': null});
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});
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it('should set the value of each of its child controls if value passed', () => {
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g.setValue({'one': 'new value', 'two': 'new value'});
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g.reset({'one': 'initial value', 'two': ''});
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expect(c.value).toBe('initial value');
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expect(c2.value).toBe('');
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});
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it('should clear the value of each of its child controls if no value passed', () => {
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g.setValue({'one': 'new value', 'two': 'new value'});
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g.reset();
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expect(c.value).toBe(null);
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expect(c2.value).toBe(null);
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});
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it('should set the value of its parent if value passed', () => {
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const form = new FormGroup({'g': g});
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g.setValue({'one': 'new value', 'two': 'new value'});
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g.reset({'one': 'initial value', 'two': ''});
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expect(form.value).toEqual({'g': {'one': 'initial value', 'two': ''}});
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});
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it('should clear the value of its parent if no value passed', () => {
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const form = new FormGroup({'g': g});
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g.setValue({'one': 'new value', 'two': 'new value'});
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g.reset();
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expect(form.value).toEqual({'g': {'one': null, 'two': null}});
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});
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it('should mark itself as pristine', () => {
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g.markAsDirty();
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expect(g.pristine).toBe(false);
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g.reset();
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expect(g.pristine).toBe(true);
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});
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it('should mark all child controls as pristine', () => {
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c.markAsDirty();
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c2.markAsDirty();
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expect(c.pristine).toBe(false);
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expect(c2.pristine).toBe(false);
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g.reset();
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expect(c.pristine).toBe(true);
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expect(c2.pristine).toBe(true);
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});
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it('should mark the parent as pristine if all siblings pristine', () => {
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const c3 = new FormControl('');
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const form = new FormGroup({'g': g, 'c3': c3});
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g.markAsDirty();
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expect(form.pristine).toBe(false);
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g.reset();
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expect(form.pristine).toBe(true);
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});
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it('should not mark the parent pristine if any dirty siblings', () => {
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const c3 = new FormControl('');
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const form = new FormGroup({'g': g, 'c3': c3});
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g.markAsDirty();
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c3.markAsDirty();
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expect(form.pristine).toBe(false);
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g.reset();
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expect(form.pristine).toBe(false);
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});
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it('should mark itself as untouched', () => {
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g.markAsTouched();
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expect(g.untouched).toBe(false);
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g.reset();
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expect(g.untouched).toBe(true);
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});
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it('should mark all child controls as untouched', () => {
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c.markAsTouched();
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c2.markAsTouched();
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expect(c.untouched).toBe(false);
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expect(c2.untouched).toBe(false);
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g.reset();
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expect(c.untouched).toBe(true);
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expect(c2.untouched).toBe(true);
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});
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it('should mark the parent untouched if all siblings untouched', () => {
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const c3 = new FormControl('');
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const form = new FormGroup({'g': g, 'c3': c3});
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g.markAsTouched();
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expect(form.untouched).toBe(false);
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g.reset();
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expect(form.untouched).toBe(true);
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});
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it('should not mark the parent untouched if any touched siblings', () => {
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const c3 = new FormControl('');
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const form = new FormGroup({'g': g, 'c3': c3});
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g.markAsTouched();
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c3.markAsTouched();
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expect(form.untouched).toBe(false);
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g.reset();
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expect(form.untouched).toBe(false);
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});
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describe('reset() events', () => {
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let form: FormGroup, c3: FormControl, logger: any[];
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beforeEach(() => {
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c3 = new FormControl('');
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form = new FormGroup({'g': g, 'c3': c3});
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logger = [];
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});
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it('should emit one valueChange event per reset control', () => {
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form.valueChanges.subscribe(() => logger.push('form'));
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g.valueChanges.subscribe(() => logger.push('group'));
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c.valueChanges.subscribe(() => logger.push('control1'));
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c2.valueChanges.subscribe(() => logger.push('control2'));
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c3.valueChanges.subscribe(() => logger.push('control3'));
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g.reset();
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expect(logger).toEqual(['control1', 'control2', 'group', 'form']);
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});
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it('should emit one statusChange event per reset control', () => {
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form.statusChanges.subscribe(() => logger.push('form'));
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g.statusChanges.subscribe(() => logger.push('group'));
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c.statusChanges.subscribe(() => logger.push('control1'));
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c2.statusChanges.subscribe(() => logger.push('control2'));
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c3.statusChanges.subscribe(() => logger.push('control3'));
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g.reset();
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expect(logger).toEqual(['control1', 'control2', 'group', 'form']);
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});
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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);
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});
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});
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it('should not include an inactive component into the group value', () => {
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var 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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expect(group.value).toEqual({'required': 'requiredValue'});
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group.include('optional');
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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) => {
|
|
g.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
expect(g.value).toEqual({'one': 'new1', 'two': 'old2'});
|
|
expect(value).toEqual({'one': 'new1', 'two': 'old2'});
|
|
async.done();
|
|
}
|
|
});
|
|
c1.setValue('new1');
|
|
}));
|
|
|
|
it('should fire an event after the control\'s observable fired an event',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
var controlCallbackIsCalled = false;
|
|
|
|
|
|
c1.valueChanges.subscribe({next: (value: any) => { controlCallbackIsCalled = true; }});
|
|
|
|
g.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
expect(controlCallbackIsCalled).toBe(true);
|
|
async.done();
|
|
}
|
|
});
|
|
|
|
c1.setValue('new1');
|
|
}));
|
|
|
|
it('should fire an event when a control is excluded',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
g.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
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');
|
|
|
|
g.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
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 */ = [];
|
|
|
|
g.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
loggedValues.push(value);
|
|
|
|
if (loggedValues.length == 2) {
|
|
expect(loggedValues).toEqual([
|
|
{'one': 'new1', 'two': 'old2'}, {'one': 'new1', 'two': 'new2'}
|
|
]);
|
|
async.done();
|
|
}
|
|
}
|
|
});
|
|
|
|
c1.setValue('new1');
|
|
c2.setValue('new2');
|
|
}));
|
|
|
|
// hard to test without hacking zones
|
|
// xit('should not fire an event when an excluded control is updated', () => null);
|
|
});
|
|
|
|
describe('statusChanges', () => {
|
|
let control: FormControl;
|
|
let group: FormGroup;
|
|
|
|
beforeEach(async(() => {
|
|
control = new FormControl('', asyncValidatorReturningObservable);
|
|
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[] = [];
|
|
group.statusChanges.subscribe({
|
|
next: (status: string) => {
|
|
loggedValues.push(status);
|
|
if (loggedValues.length === 2) {
|
|
expect(loggedValues).toEqual(['PENDING', 'INVALID']);
|
|
}
|
|
async.done();
|
|
}
|
|
});
|
|
control.setValue('');
|
|
}));
|
|
});
|
|
|
|
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.get('one').errors).toEqual({'async': true});
|
|
}));
|
|
});
|
|
});
|
|
}
|