1363 lines
41 KiB
TypeScript
1363 lines
41 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC 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, tick} from '@angular/core/testing';
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import {AbstractControl, FormArray, FormControl, FormGroup, ValidationErrors, ValidatorFn} from '@angular/forms';
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import {Validators} from '@angular/forms/src/validators';
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import {of} from 'rxjs';
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import {asyncValidator} from './util';
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(function() {
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describe('FormArray', () => {
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describe('adding/removing', () => {
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let a: FormArray;
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let c1: FormControl, c2: FormControl, c3: FormControl;
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let logger: string[];
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beforeEach(() => {
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a = new FormArray([]);
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c1 = new FormControl(1);
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c2 = new FormControl(2);
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c3 = new FormControl(3);
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logger = [];
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});
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it('should support pushing', () => {
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a.push(c1);
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expect(a.length).toEqual(1);
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expect(a.controls).toEqual([c1]);
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});
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it('should support removing', () => {
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a.push(c1);
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a.push(c2);
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a.push(c3);
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a.removeAt(1);
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expect(a.controls).toEqual([c1, c3]);
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});
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it('should support clearing', () => {
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a.push(c1);
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a.push(c2);
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a.push(c3);
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a.clear();
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expect(a.controls).toEqual([]);
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a.clear();
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expect(a.controls).toEqual([]);
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});
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it('should support inserting', () => {
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a.push(c1);
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a.push(c3);
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a.insert(1, c2);
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expect(a.controls).toEqual([c1, c2, c3]);
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});
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it('should not emit events when calling `FormArray.push` with `emitEvent: false`', () => {
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a.valueChanges.subscribe(() => logger.push('value change'));
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a.statusChanges.subscribe(() => logger.push('status change'));
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a.push(c1, {emitEvent: false});
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expect(a.length).toEqual(1);
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expect(a.controls).toEqual([c1]);
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expect(logger).toEqual([]);
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});
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it('should not emit events when calling `FormArray.removeAt` with `emitEvent: false`', () => {
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a.push(c1);
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a.push(c2);
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a.push(c3);
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a.valueChanges.subscribe(() => logger.push('value change'));
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a.statusChanges.subscribe(() => logger.push('status change'));
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a.removeAt(1, {emitEvent: false});
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expect(a.controls).toEqual([c1, c3]);
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expect(logger).toEqual([]);
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});
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it('should not emit events when calling `FormArray.clear` with `emitEvent: false`', () => {
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a.push(c1);
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a.push(c2);
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a.push(c3);
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a.valueChanges.subscribe(() => logger.push('value change'));
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a.statusChanges.subscribe(() => logger.push('status change'));
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a.clear({emitEvent: false});
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expect(a.controls).toEqual([]);
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expect(logger).toEqual([]);
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});
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it('should not emit events when calling `FormArray.insert` with `emitEvent: false`', () => {
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a.push(c1);
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a.push(c3);
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a.valueChanges.subscribe(() => logger.push('value change'));
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a.statusChanges.subscribe(() => logger.push('status change'));
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a.insert(1, c2, {emitEvent: false});
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expect(a.controls).toEqual([c1, c2, c3]);
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expect(logger).toEqual([]);
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});
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it('should not emit events when calling `FormArray.setControl` with `emitEvent: false`', () => {
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a.push(c1);
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a.push(c3);
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a.valueChanges.subscribe(() => logger.push('value change'));
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a.statusChanges.subscribe(() => logger.push('status change'));
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a.setControl(1, c2, {emitEvent: false});
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expect(a.controls).toEqual([c1, c2]);
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expect(logger).toEqual([]);
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});
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it('should not emit status change events when `FormArray.push` is called with `emitEvent: false`',
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() => {
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// Adding validators to make sure there are no status change event submitted when form
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// becomes invalid.
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const validatorFn = (value: any) => value.controls.length > 0 ? {controls: true} : null;
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const asyncValidatorFn = (value: any) => of(validatorFn(value));
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const arr = new FormArray([], validatorFn, asyncValidatorFn);
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expect(arr.valid).toBe(true);
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arr.statusChanges.subscribe(() => logger.push('status change'));
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arr.push(c1, {emitEvent: false});
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expect(arr.valid).toBe(false);
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expect(logger).toEqual([]);
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});
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it('should not emit events on the parent when called with `emitEvent: false`', () => {
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const form = new FormGroup({child: a});
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form.valueChanges.subscribe(() => logger.push('form value change'));
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a.valueChanges.subscribe(() => logger.push('array value change'));
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form.statusChanges.subscribe(() => logger.push('form status change'));
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a.statusChanges.subscribe(() => logger.push('array status change'));
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a.push(new FormControl(5), {emitEvent: false});
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expect(logger).toEqual([]);
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});
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});
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describe('value', () => {
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it('should be the reduced value of the child controls', () => {
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const a = new FormArray([new FormControl(1), new FormControl(2)]);
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expect(a.value).toEqual([1, 2]);
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});
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it('should be an empty array when there are no child controls', () => {
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const a = new FormArray([]);
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expect(a.value).toEqual([]);
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});
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});
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describe('getRawValue()', () => {
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let a: FormArray;
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it('should work with nested form groups/arrays', () => {
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a = new FormArray([
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new FormGroup({'c2': new FormControl('v2'), 'c3': new FormControl('v3')}),
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new FormArray([new FormControl('v4'), new FormControl('v5')])
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]);
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a.at(0).get('c3')!.disable();
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(a.at(1) as FormArray).at(1).disable();
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expect(a.getRawValue()).toEqual([{'c2': 'v2', 'c3': 'v3'}, ['v4', 'v5']]);
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});
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});
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describe('markAllAsTouched', () => {
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it('should mark all descendants as touched', () => {
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const formArray: FormArray = new FormArray([
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new FormControl('v1'), new FormControl('v2'), new FormGroup({'c1': new FormControl('v1')}),
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new FormArray([new FormGroup({'c2': new FormControl('v2')})])
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]);
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expect(formArray.touched).toBe(false);
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const control1 = formArray.at(0) as FormControl;
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expect(control1.touched).toBe(false);
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const group1 = formArray.at(2) as FormGroup;
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expect(group1.touched).toBe(false);
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const group1Control1 = group1.get('c1') as FormControl;
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expect(group1Control1.touched).toBe(false);
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const innerFormArray = formArray.at(3) as FormArray;
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expect(innerFormArray.touched).toBe(false);
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const innerFormArrayGroup = innerFormArray.at(0) as FormGroup;
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expect(innerFormArrayGroup.touched).toBe(false);
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const innerFormArrayGroupControl1 = innerFormArrayGroup.get('c2') as FormControl;
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expect(innerFormArrayGroupControl1.touched).toBe(false);
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formArray.markAllAsTouched();
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expect(formArray.touched).toBe(true);
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expect(control1.touched).toBe(true);
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expect(group1.touched).toBe(true);
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expect(group1Control1.touched).toBe(true);
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expect(innerFormArray.touched).toBe(true);
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expect(innerFormArrayGroup.touched).toBe(true);
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expect(innerFormArrayGroupControl1.touched).toBe(true);
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});
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});
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describe('setValue', () => {
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let c: FormControl, c2: FormControl, a: FormArray;
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beforeEach(() => {
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c = new FormControl('');
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c2 = new FormControl('');
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a = new FormArray([c, c2]);
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});
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it('should set its own value', () => {
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a.setValue(['one', 'two']);
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expect(a.value).toEqual(['one', 'two']);
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});
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it('should set child values', () => {
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a.setValue(['one', '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 values for disabled child controls', () => {
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c2.disable();
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a.setValue(['one', 'two']);
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expect(c2.value).toEqual('two');
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expect(a.value).toEqual(['one']);
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expect(a.getRawValue()).toEqual(['one', 'two']);
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});
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it('should set value for disabled arrays', () => {
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a.disable();
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a.setValue(['one', 'two']);
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expect(c.value).toEqual('one');
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expect(c2.value).toEqual('two');
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expect(a.value).toEqual(['one', 'two']);
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});
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it('should set parent values', () => {
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const form = new FormGroup({'parent': a});
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a.setValue(['one', 'two']);
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expect(form.value).toEqual({'parent': ['one', 'two']});
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});
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it('should not update the parent explicitly specified', () => {
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const form = new FormGroup({'parent': a});
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a.setValue(['one', 'two'], {onlySelf: true});
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expect(form.value).toEqual({parent: ['', '']});
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});
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it('should throw if fields are missing from supplied value (subset)', () => {
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expect(() => a.setValue([, 'two']))
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.toThrowError(new RegExp(`Must supply a value for form control at index: 0`));
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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(() => a.setValue([
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'one', 'two', 'three'
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])).toThrowError(new RegExp(`Cannot find form control at index 2`));
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});
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it('should throw if a value is not provided for a disabled control', () => {
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c2.disable();
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expect(() => a.setValue(['one']))
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.toThrowError(new RegExp(`Must supply a value for form control at index: 1`));
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});
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it('should throw if no controls are set yet', () => {
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const empty = new FormArray([]);
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expect(() => empty.setValue(['one']))
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.toThrowError(new RegExp(`no form controls registered with this array`));
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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': a});
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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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a.valueChanges.subscribe(() => logger.push('array'));
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c.valueChanges.subscribe(() => logger.push('control1'));
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c2.valueChanges.subscribe(() => logger.push('control2'));
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a.setValue(['one', 'two']);
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expect(logger).toEqual(['control1', 'control2', 'array', 'form']);
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});
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it('should not fire events when called with `emitEvent: false`', () => {
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form.valueChanges.subscribe(() => logger.push('form'));
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a.valueChanges.subscribe(() => logger.push('array'));
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c.valueChanges.subscribe(() => logger.push('control1'));
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c2.valueChanges.subscribe(() => logger.push('control2'));
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a.setValue(['one', 'two'], {emitEvent: false});
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expect(logger).toEqual([]);
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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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a.statusChanges.subscribe(() => logger.push('array'));
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c.statusChanges.subscribe(() => logger.push('control1'));
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c2.statusChanges.subscribe(() => logger.push('control2'));
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a.setValue(['one', 'two']);
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expect(logger).toEqual(['control1', 'control2', 'array', '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, a: FormArray, a2: FormArray;
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beforeEach(() => {
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c = new FormControl('');
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c2 = new FormControl('');
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a = new FormArray([c, c2]);
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a2 = new FormArray([a]);
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});
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it('should set its own value', () => {
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a.patchValue(['one', 'two']);
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expect(a.value).toEqual(['one', 'two']);
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});
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it('should set child values', () => {
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a.patchValue(['one', '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 patch disabled control values', () => {
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c2.disable();
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a.patchValue(['one', 'two']);
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expect(c2.value).toEqual('two');
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expect(a.value).toEqual(['one']);
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expect(a.getRawValue()).toEqual(['one', 'two']);
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});
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it('should patch disabled control arrays', () => {
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a.disable();
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a.patchValue(['one', 'two']);
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expect(c.value).toEqual('one');
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expect(c2.value).toEqual('two');
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expect(a.value).toEqual(['one', 'two']);
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});
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it('should set parent values', () => {
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const form = new FormGroup({'parent': a});
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a.patchValue(['one', 'two']);
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expect(form.value).toEqual({'parent': ['one', 'two']});
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});
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it('should not update the parent explicitly specified', () => {
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const form = new FormGroup({'parent': a});
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a.patchValue(['one', 'two'], {onlySelf: true});
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expect(form.value).toEqual({parent: ['', '']});
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});
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it('should ignore fields that are missing from supplied value (subset)', () => {
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a.patchValue([, 'two']);
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expect(a.value).toEqual(['', 'two']);
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});
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it('should not ignore fields that are null', () => {
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a.patchValue([null]);
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expect(a.value).toEqual([null, '']);
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});
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it('should ignore any value provided for a missing control (superset)', () => {
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a.patchValue([, , 'three']);
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expect(a.value).toEqual(['', '']);
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});
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it('should ignore a array if `null` or `undefined` are used as values', () => {
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const INITIAL_STATE = [['', '']];
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a2.patchValue([null]);
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expect(a2.value).toEqual(INITIAL_STATE);
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a2.patchValue([undefined]);
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expect(a2.value).toEqual(INITIAL_STATE);
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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': a});
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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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a.valueChanges.subscribe(() => logger.push('array'));
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c.valueChanges.subscribe(() => logger.push('control1'));
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c2.valueChanges.subscribe(() => logger.push('control2'));
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a.patchValue(['one', 'two']);
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expect(logger).toEqual(['control1', 'control2', 'array', '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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a.valueChanges.subscribe(() => logger.push('array'));
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c.valueChanges.subscribe(() => logger.push('control1'));
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c2.valueChanges.subscribe(() => logger.push('control2'));
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a.patchValue(['one']);
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expect(logger).toEqual(['control1', 'array', 'form']);
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});
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it('should not emit valueChange events for skipped controls (represented as `null` or `undefined`)',
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() => {
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const logEvent = () => logger.push('valueChanges event');
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const [formArrayControl1, formArrayControl2] = (a2.controls as FormArray[])[0].controls;
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formArrayControl1.valueChanges.subscribe(logEvent);
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formArrayControl2.valueChanges.subscribe(logEvent);
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a2.patchValue([null]);
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a2.patchValue([undefined]);
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// No events are expected in `valueChanges` since
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// all controls were skipped in `patchValue`.
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expect(logger).toEqual([]);
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});
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it('should not fire events when called with `emitEvent: false`', () => {
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form.valueChanges.subscribe(() => logger.push('form'));
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a.valueChanges.subscribe(() => logger.push('array'));
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c.valueChanges.subscribe(() => logger.push('control1'));
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c2.valueChanges.subscribe(() => logger.push('control2'));
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a.patchValue(['one', 'two'], {emitEvent: false});
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expect(logger).toEqual([]);
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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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a.statusChanges.subscribe(() => logger.push('array'));
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c.statusChanges.subscribe(() => logger.push('control1'));
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c2.statusChanges.subscribe(() => logger.push('control2'));
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a.patchValue(['one', 'two']);
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expect(logger).toEqual(['control1', 'control2', 'array', '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, a: FormArray;
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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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a = new FormArray([c, c2]);
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});
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it('should set its own value if value passed', () => {
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a.setValue(['new value', 'new value']);
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a.reset(['initial value', '']);
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expect(a.value).toEqual(['initial value', '']);
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});
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it('should not update the parent when explicitly specified', () => {
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const form = new FormGroup({'a': a});
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a.reset(['one', 'two'], {onlySelf: true});
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expect(form.value).toEqual({a: ['initial value', '']});
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});
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it('should set its own value if boxed value passed', () => {
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a.setValue(['new value', 'new value']);
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|
a.reset([{value: 'initial value', disabled: false}, '']);
|
|
expect(a.value).toEqual(['initial value', '']);
|
|
});
|
|
|
|
it('should clear its own value if no value passed', () => {
|
|
a.setValue(['new value', 'new value']);
|
|
|
|
a.reset();
|
|
expect(a.value).toEqual([null, null]);
|
|
});
|
|
|
|
it('should set the value of each of its child controls if value passed', () => {
|
|
a.setValue(['new value', 'new value']);
|
|
|
|
a.reset(['initial value', '']);
|
|
expect(c.value).toBe('initial value');
|
|
expect(c2.value).toBe('');
|
|
});
|
|
|
|
it('should clear the value of each of its child controls if no value', () => {
|
|
a.setValue(['new value', 'new value']);
|
|
|
|
a.reset();
|
|
expect(c.value).toBe(null);
|
|
expect(c2.value).toBe(null);
|
|
});
|
|
|
|
it('should set the value of its parent if value passed', () => {
|
|
const form = new FormGroup({'a': a});
|
|
a.setValue(['new value', 'new value']);
|
|
|
|
a.reset(['initial value', '']);
|
|
expect(form.value).toEqual({'a': ['initial value', '']});
|
|
});
|
|
|
|
it('should clear the value of its parent if no value passed', () => {
|
|
const form = new FormGroup({'a': a});
|
|
a.setValue(['new value', 'new value']);
|
|
|
|
a.reset();
|
|
expect(form.value).toEqual({'a': [null, null]});
|
|
});
|
|
|
|
it('should mark itself as pristine', () => {
|
|
a.markAsDirty();
|
|
expect(a.pristine).toBe(false);
|
|
|
|
a.reset();
|
|
expect(a.pristine).toBe(true);
|
|
});
|
|
|
|
it('should mark all child controls as pristine', () => {
|
|
c.markAsDirty();
|
|
c2.markAsDirty();
|
|
expect(c.pristine).toBe(false);
|
|
expect(c2.pristine).toBe(false);
|
|
|
|
a.reset();
|
|
expect(c.pristine).toBe(true);
|
|
expect(c2.pristine).toBe(true);
|
|
});
|
|
|
|
it('should mark the parent as pristine if all siblings pristine', () => {
|
|
const c3 = new FormControl('');
|
|
const form = new FormGroup({'a': a, 'c3': c3});
|
|
|
|
a.markAsDirty();
|
|
expect(form.pristine).toBe(false);
|
|
|
|
a.reset();
|
|
expect(form.pristine).toBe(true);
|
|
});
|
|
|
|
it('should not mark the parent pristine if any dirty siblings', () => {
|
|
const c3 = new FormControl('');
|
|
const form = new FormGroup({'a': a, 'c3': c3});
|
|
|
|
a.markAsDirty();
|
|
c3.markAsDirty();
|
|
expect(form.pristine).toBe(false);
|
|
|
|
a.reset();
|
|
expect(form.pristine).toBe(false);
|
|
});
|
|
|
|
it('should mark itself as untouched', () => {
|
|
a.markAsTouched();
|
|
expect(a.untouched).toBe(false);
|
|
|
|
a.reset();
|
|
expect(a.untouched).toBe(true);
|
|
});
|
|
|
|
it('should mark all child controls as untouched', () => {
|
|
c.markAsTouched();
|
|
c2.markAsTouched();
|
|
expect(c.untouched).toBe(false);
|
|
expect(c2.untouched).toBe(false);
|
|
|
|
a.reset();
|
|
expect(c.untouched).toBe(true);
|
|
expect(c2.untouched).toBe(true);
|
|
});
|
|
|
|
it('should mark the parent untouched if all siblings untouched', () => {
|
|
const c3 = new FormControl('');
|
|
const form = new FormGroup({'a': a, 'c3': c3});
|
|
|
|
a.markAsTouched();
|
|
expect(form.untouched).toBe(false);
|
|
|
|
a.reset();
|
|
expect(form.untouched).toBe(true);
|
|
});
|
|
|
|
it('should not mark the parent untouched if any touched siblings', () => {
|
|
const c3 = new FormControl('');
|
|
const form = new FormGroup({'a': a, 'c3': c3});
|
|
|
|
a.markAsTouched();
|
|
c3.markAsTouched();
|
|
expect(form.untouched).toBe(false);
|
|
|
|
a.reset();
|
|
expect(form.untouched).toBe(false);
|
|
});
|
|
|
|
it('should retain previous disabled state', () => {
|
|
a.disable();
|
|
a.reset();
|
|
|
|
expect(a.disabled).toBe(true);
|
|
});
|
|
|
|
it('should set child disabled state if boxed value passed', () => {
|
|
a.disable();
|
|
a.reset([{value: '', disabled: false}, '']);
|
|
|
|
expect(c.disabled).toBe(false);
|
|
expect(a.disabled).toBe(false);
|
|
});
|
|
|
|
|
|
describe('reset() events', () => {
|
|
let form: FormGroup, c3: FormControl, logger: any[];
|
|
|
|
beforeEach(() => {
|
|
c3 = new FormControl('');
|
|
form = new FormGroup({'a': a, 'c3': c3});
|
|
logger = [];
|
|
});
|
|
|
|
it('should emit one valueChange event per reset control', () => {
|
|
form.valueChanges.subscribe(() => logger.push('form'));
|
|
a.valueChanges.subscribe(() => logger.push('array'));
|
|
c.valueChanges.subscribe(() => logger.push('control1'));
|
|
c2.valueChanges.subscribe(() => logger.push('control2'));
|
|
c3.valueChanges.subscribe(() => logger.push('control3'));
|
|
|
|
a.reset();
|
|
expect(logger).toEqual(['control1', 'control2', 'array', 'form']);
|
|
});
|
|
|
|
it('should not fire events when called with `emitEvent: false`', () => {
|
|
form.valueChanges.subscribe(() => logger.push('form'));
|
|
a.valueChanges.subscribe(() => logger.push('array'));
|
|
c.valueChanges.subscribe(() => logger.push('control1'));
|
|
c2.valueChanges.subscribe(() => logger.push('control2'));
|
|
c3.valueChanges.subscribe(() => logger.push('control3'));
|
|
|
|
a.reset([], {emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
});
|
|
|
|
it('should emit one statusChange event per reset control', () => {
|
|
form.statusChanges.subscribe(() => logger.push('form'));
|
|
a.statusChanges.subscribe(() => logger.push('array'));
|
|
c.statusChanges.subscribe(() => logger.push('control1'));
|
|
c2.statusChanges.subscribe(() => logger.push('control2'));
|
|
c3.statusChanges.subscribe(() => logger.push('control3'));
|
|
|
|
a.reset();
|
|
expect(logger).toEqual(['control1', 'control2', 'array', 'form']);
|
|
});
|
|
|
|
it('should mark as pristine and not dirty before emitting valueChange and statusChange events when resetting',
|
|
() => {
|
|
const pristineAndNotDirty = () => {
|
|
expect(a.pristine).toBe(true);
|
|
expect(a.dirty).toBe(false);
|
|
};
|
|
|
|
c2.markAsDirty();
|
|
expect(a.pristine).toBe(false);
|
|
expect(a.dirty).toBe(true);
|
|
|
|
a.valueChanges.subscribe(pristineAndNotDirty);
|
|
a.statusChanges.subscribe(pristineAndNotDirty);
|
|
|
|
a.reset();
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('errors', () => {
|
|
it('should run the validator when the value changes', () => {
|
|
const simpleValidator = (c: FormArray) =>
|
|
c.controls[0].value != 'correct' ? {'broken': true} : null;
|
|
|
|
const c = new FormControl(null);
|
|
const g = new FormArray([c], simpleValidator as ValidatorFn);
|
|
|
|
c.setValue('correct');
|
|
|
|
expect(g.valid).toEqual(true);
|
|
expect(g.errors).toEqual(null);
|
|
|
|
c.setValue('incorrect');
|
|
|
|
expect(g.valid).toEqual(false);
|
|
expect(g.errors).toEqual({'broken': true});
|
|
});
|
|
});
|
|
|
|
|
|
describe('dirty', () => {
|
|
let c: FormControl;
|
|
let 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 true after changing the value of the control', () => {
|
|
c.markAsDirty();
|
|
|
|
expect(a.dirty).toEqual(true);
|
|
});
|
|
});
|
|
|
|
describe('touched', () => {
|
|
let c: FormControl;
|
|
let a: FormArray;
|
|
|
|
beforeEach(() => {
|
|
c = new FormControl('value');
|
|
a = new FormArray([c]);
|
|
});
|
|
|
|
it('should be false after creating a control', () => {
|
|
expect(a.touched).toEqual(false);
|
|
});
|
|
|
|
it('should be true after child control is marked as touched', () => {
|
|
c.markAsTouched();
|
|
|
|
expect(a.touched).toEqual(true);
|
|
});
|
|
});
|
|
|
|
|
|
describe('pending', () => {
|
|
let c: FormControl;
|
|
let 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('status change events', () => {
|
|
let logger: string[];
|
|
|
|
beforeEach(() => {
|
|
logger = [];
|
|
a.statusChanges.subscribe((status) => logger.push(status));
|
|
});
|
|
|
|
it('should emit event after marking control as pending', () => {
|
|
c.markAsPending();
|
|
expect(logger).toEqual(['PENDING']);
|
|
});
|
|
|
|
it('should not emit event from parent when onlySelf is true', () => {
|
|
c.markAsPending({onlySelf: true});
|
|
expect(logger).toEqual([]);
|
|
});
|
|
|
|
it('should not emit events when called with `emitEvent: false`', () => {
|
|
c.markAsPending({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
});
|
|
|
|
it('should emit event when parent is markedAsPending', () => {
|
|
a.markAsPending();
|
|
expect(logger).toEqual(['PENDING']);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('valueChanges', () => {
|
|
let a: FormArray;
|
|
let 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', done => {
|
|
a.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
expect(a.value).toEqual(['new1', 'old2']);
|
|
expect(value).toEqual(['new1', 'old2']);
|
|
done();
|
|
}
|
|
});
|
|
c1.setValue('new1');
|
|
});
|
|
|
|
it('should fire an event after the control\'s observable fired an event', done => {
|
|
let controlCallbackIsCalled = false;
|
|
|
|
|
|
c1.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
controlCallbackIsCalled = true;
|
|
}
|
|
});
|
|
|
|
a.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
expect(controlCallbackIsCalled).toBe(true);
|
|
done();
|
|
}
|
|
});
|
|
|
|
c1.setValue('new1');
|
|
});
|
|
|
|
it('should fire an event when a control is removed', done => {
|
|
a.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
expect(value).toEqual(['old1']);
|
|
done();
|
|
}
|
|
});
|
|
|
|
a.removeAt(1);
|
|
});
|
|
|
|
it('should fire an event when a control is added', done => {
|
|
a.removeAt(1);
|
|
|
|
a.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
expect(value).toEqual(['old1', 'old2']);
|
|
done();
|
|
}
|
|
});
|
|
|
|
a.push(c2);
|
|
});
|
|
});
|
|
|
|
describe('get', () => {
|
|
it('should return null when path is null', () => {
|
|
const g = new FormGroup({});
|
|
expect(g.get(null!)).toEqual(null);
|
|
});
|
|
|
|
it('should return null when path is empty', () => {
|
|
const g = new FormGroup({});
|
|
expect(g.get([])).toEqual(null);
|
|
});
|
|
|
|
it('should return null when path is invalid', () => {
|
|
const g = new FormGroup({});
|
|
expect(g.get('invalid')).toEqual(null);
|
|
});
|
|
|
|
it('should return a child of a control group', () => {
|
|
const g = new FormGroup({
|
|
'one': new FormControl('111'),
|
|
'nested': new FormGroup({'two': new FormControl('222')})
|
|
});
|
|
|
|
expect(g.get(['one'])!.value).toEqual('111');
|
|
expect(g.get('one')!.value).toEqual('111');
|
|
expect(g.get(['nested', 'two'])!.value).toEqual('222');
|
|
expect(g.get('nested.two')!.value).toEqual('222');
|
|
});
|
|
|
|
it('should return an element of an array', () => {
|
|
const g = new FormGroup({'array': new FormArray([new FormControl('111')])});
|
|
|
|
expect(g.get(['array', 0])!.value).toEqual('111');
|
|
});
|
|
});
|
|
|
|
describe('validator', () => {
|
|
function simpleValidator(c: AbstractControl): ValidationErrors|null {
|
|
return c.get([0])!.value === 'correct' ? null : {'broken': true};
|
|
}
|
|
|
|
function arrayRequiredValidator(c: AbstractControl): ValidationErrors|null {
|
|
return Validators.required(c.get([0]) as AbstractControl);
|
|
}
|
|
|
|
it('should set a single validator', () => {
|
|
const a = new FormArray([new FormControl()], simpleValidator);
|
|
expect(a.valid).toBe(false);
|
|
expect(a.errors).toEqual({'broken': true});
|
|
|
|
a.setValue(['correct']);
|
|
expect(a.valid).toBe(true);
|
|
});
|
|
|
|
it('should set a single validator from options obj', () => {
|
|
const a = new FormArray([new FormControl()], {validators: simpleValidator});
|
|
expect(a.valid).toBe(false);
|
|
expect(a.errors).toEqual({'broken': true});
|
|
|
|
a.setValue(['correct']);
|
|
expect(a.valid).toBe(true);
|
|
});
|
|
|
|
it('should set multiple validators from an array', () => {
|
|
const a = new FormArray([new FormControl()], [simpleValidator, arrayRequiredValidator]);
|
|
expect(a.valid).toBe(false);
|
|
expect(a.errors).toEqual({'required': true, 'broken': true});
|
|
|
|
a.setValue(['c']);
|
|
expect(a.valid).toBe(false);
|
|
expect(a.errors).toEqual({'broken': true});
|
|
|
|
a.setValue(['correct']);
|
|
expect(a.valid).toBe(true);
|
|
});
|
|
|
|
it('should set multiple validators from options obj', () => {
|
|
const a = new FormArray(
|
|
[new FormControl()], {validators: [simpleValidator, arrayRequiredValidator]});
|
|
expect(a.valid).toBe(false);
|
|
expect(a.errors).toEqual({'required': true, 'broken': true});
|
|
|
|
a.setValue(['c']);
|
|
expect(a.valid).toBe(false);
|
|
expect(a.errors).toEqual({'broken': true});
|
|
|
|
a.setValue(['correct']);
|
|
expect(a.valid).toBe(true);
|
|
});
|
|
});
|
|
|
|
describe('asyncValidator', () => {
|
|
function otherObservableValidator() {
|
|
return of({'other': true});
|
|
}
|
|
|
|
it('should run the async validator', fakeAsync(() => {
|
|
const c = new FormControl('value');
|
|
const g = new FormArray([c], null!, asyncValidator('expected'));
|
|
|
|
expect(g.pending).toEqual(true);
|
|
|
|
tick();
|
|
|
|
expect(g.errors).toEqual({'async': true});
|
|
expect(g.pending).toEqual(false);
|
|
}));
|
|
|
|
it('should set a single async validator from options obj', fakeAsync(() => {
|
|
const g = new FormArray(
|
|
[new FormControl('value')], {asyncValidators: asyncValidator('expected')});
|
|
|
|
expect(g.pending).toEqual(true);
|
|
|
|
tick();
|
|
|
|
expect(g.errors).toEqual({'async': true});
|
|
expect(g.pending).toEqual(false);
|
|
}));
|
|
|
|
it('should set multiple async validators from an array', fakeAsync(() => {
|
|
const g = new FormArray(
|
|
[new FormControl('value')], null!,
|
|
[asyncValidator('expected'), otherObservableValidator]);
|
|
|
|
expect(g.pending).toEqual(true);
|
|
|
|
tick();
|
|
|
|
expect(g.errors).toEqual({'async': true, 'other': true});
|
|
expect(g.pending).toEqual(false);
|
|
}));
|
|
|
|
it('should set multiple async validators from options obj', fakeAsync(() => {
|
|
const g = new FormArray(
|
|
[new FormControl('value')],
|
|
{asyncValidators: [asyncValidator('expected'), otherObservableValidator]});
|
|
|
|
expect(g.pending).toEqual(true);
|
|
|
|
tick();
|
|
|
|
expect(g.errors).toEqual({'async': true, 'other': true});
|
|
expect(g.pending).toEqual(false);
|
|
}));
|
|
|
|
it('should fire statusChanges events when async validators are added via options object',
|
|
fakeAsync(() => {
|
|
// The behavior is tested (in other spec files) for each of the model types (`FormControl`,
|
|
// `FormGroup` and `FormArray`).
|
|
let statuses: string[] = [];
|
|
|
|
// Create a form control with an async validator added via options object.
|
|
const asc = new FormArray([], {asyncValidators: [() => Promise.resolve(null)]});
|
|
|
|
// Subscribe to status changes.
|
|
asc.statusChanges.subscribe((status: any) => statuses.push(status));
|
|
|
|
// After a tick, the async validator should change status PENDING -> VALID.
|
|
tick();
|
|
expect(statuses).toEqual(['VALID']);
|
|
}));
|
|
});
|
|
|
|
describe('disable() & enable()', () => {
|
|
let a: FormArray;
|
|
let c: FormControl;
|
|
let c2: FormControl;
|
|
|
|
beforeEach(() => {
|
|
c = new FormControl(null);
|
|
c2 = new FormControl(null);
|
|
a = new FormArray([c, c2]);
|
|
});
|
|
|
|
it('should mark the array as disabled', () => {
|
|
expect(a.disabled).toBe(false);
|
|
expect(a.valid).toBe(true);
|
|
|
|
a.disable();
|
|
expect(a.disabled).toBe(true);
|
|
expect(a.valid).toBe(false);
|
|
|
|
a.enable();
|
|
expect(a.disabled).toBe(false);
|
|
expect(a.valid).toBe(true);
|
|
});
|
|
|
|
it('should set the array status as disabled', () => {
|
|
expect(a.status).toBe('VALID');
|
|
|
|
a.disable();
|
|
expect(a.status).toBe('DISABLED');
|
|
|
|
a.enable();
|
|
expect(a.status).toBe('VALID');
|
|
});
|
|
|
|
it('should mark children of the array as disabled', () => {
|
|
expect(c.disabled).toBe(false);
|
|
expect(c2.disabled).toBe(false);
|
|
|
|
a.disable();
|
|
expect(c.disabled).toBe(true);
|
|
expect(c2.disabled).toBe(true);
|
|
|
|
a.enable();
|
|
expect(c.disabled).toBe(false);
|
|
expect(c2.disabled).toBe(false);
|
|
});
|
|
|
|
it('should ignore disabled controls in validation', () => {
|
|
const g = new FormGroup({
|
|
nested: new FormArray([new FormControl(null, Validators.required)]),
|
|
two: new FormControl('two')
|
|
});
|
|
expect(g.valid).toBe(false);
|
|
|
|
g.get('nested')!.disable();
|
|
expect(g.valid).toBe(true);
|
|
|
|
g.get('nested')!.enable();
|
|
expect(g.valid).toBe(false);
|
|
});
|
|
|
|
it('should ignore disabled controls when serializing value', () => {
|
|
const g = new FormGroup(
|
|
{nested: new FormArray([new FormControl('one')]), two: new FormControl('two')});
|
|
expect(g.value).toEqual({'nested': ['one'], 'two': 'two'});
|
|
|
|
g.get('nested')!.disable();
|
|
expect(g.value).toEqual({'two': 'two'});
|
|
|
|
g.get('nested')!.enable();
|
|
expect(g.value).toEqual({'nested': ['one'], 'two': 'two'});
|
|
});
|
|
|
|
it('should ignore disabled controls when determining dirtiness', () => {
|
|
const g = new FormGroup({nested: a, two: new FormControl('two')});
|
|
g.get(['nested', 0])!.markAsDirty();
|
|
expect(g.dirty).toBe(true);
|
|
|
|
g.get('nested')!.disable();
|
|
expect(g.get('nested')!.dirty).toBe(true);
|
|
expect(g.dirty).toEqual(false);
|
|
|
|
g.get('nested')!.enable();
|
|
expect(g.dirty).toEqual(true);
|
|
});
|
|
|
|
it('should ignore disabled controls when determining touched state', () => {
|
|
const g = new FormGroup({nested: a, two: new FormControl('two')});
|
|
g.get(['nested', 0])!.markAsTouched();
|
|
expect(g.touched).toBe(true);
|
|
|
|
g.get('nested')!.disable();
|
|
expect(g.get('nested')!.touched).toBe(true);
|
|
expect(g.touched).toEqual(false);
|
|
|
|
g.get('nested')!.enable();
|
|
expect(g.touched).toEqual(true);
|
|
});
|
|
|
|
it('should keep empty, disabled arrays disabled when updating validity', () => {
|
|
const arr = new FormArray([]);
|
|
expect(arr.status).toEqual('VALID');
|
|
|
|
arr.disable();
|
|
expect(arr.status).toEqual('DISABLED');
|
|
|
|
arr.updateValueAndValidity();
|
|
expect(arr.status).toEqual('DISABLED');
|
|
|
|
arr.push(new FormControl({value: '', disabled: true}));
|
|
expect(arr.status).toEqual('DISABLED');
|
|
|
|
arr.push(new FormControl());
|
|
expect(arr.status).toEqual('VALID');
|
|
});
|
|
|
|
it('should re-enable empty, disabled arrays', () => {
|
|
const arr = new FormArray([]);
|
|
arr.disable();
|
|
expect(arr.status).toEqual('DISABLED');
|
|
|
|
arr.enable();
|
|
expect(arr.status).toEqual('VALID');
|
|
});
|
|
|
|
it('should not run validators on disabled controls', () => {
|
|
const validator = jasmine.createSpy('validator');
|
|
const arr = new FormArray([new FormControl()], validator);
|
|
expect(validator.calls.count()).toEqual(1);
|
|
|
|
arr.disable();
|
|
expect(validator.calls.count()).toEqual(1);
|
|
|
|
arr.setValue(['value']);
|
|
expect(validator.calls.count()).toEqual(1);
|
|
|
|
arr.enable();
|
|
expect(validator.calls.count()).toEqual(2);
|
|
});
|
|
|
|
describe('disabled errors', () => {
|
|
it('should clear out array errors when disabled', () => {
|
|
const arr = new FormArray([new FormControl()], () => ({'expected': true}));
|
|
expect(arr.errors).toEqual({'expected': true});
|
|
|
|
arr.disable();
|
|
expect(arr.errors).toEqual(null);
|
|
|
|
arr.enable();
|
|
expect(arr.errors).toEqual({'expected': true});
|
|
});
|
|
|
|
it('should re-populate array errors when enabled from a child', () => {
|
|
const arr = new FormArray([new FormControl()], () => ({'expected': true}));
|
|
arr.disable();
|
|
expect(arr.errors).toEqual(null);
|
|
|
|
arr.push(new FormControl());
|
|
expect(arr.errors).toEqual({'expected': true});
|
|
});
|
|
|
|
it('should clear out async array errors when disabled', fakeAsync(() => {
|
|
const arr = new FormArray([new FormControl()], null!, asyncValidator('expected'));
|
|
tick();
|
|
expect(arr.errors).toEqual({'async': true});
|
|
|
|
arr.disable();
|
|
expect(arr.errors).toEqual(null);
|
|
|
|
arr.enable();
|
|
tick();
|
|
expect(arr.errors).toEqual({'async': true});
|
|
}));
|
|
|
|
it('should re-populate async array errors when enabled from a child', fakeAsync(() => {
|
|
const arr = new FormArray([new FormControl()], null!, asyncValidator('expected'));
|
|
tick();
|
|
expect(arr.errors).toEqual({'async': true});
|
|
|
|
arr.disable();
|
|
expect(arr.errors).toEqual(null);
|
|
|
|
arr.push(new FormControl());
|
|
tick();
|
|
expect(arr.errors).toEqual({'async': true});
|
|
}));
|
|
});
|
|
|
|
describe('disabled events', () => {
|
|
let logger: string[];
|
|
let c: FormControl;
|
|
let a: FormArray;
|
|
let form: FormGroup;
|
|
|
|
beforeEach(() => {
|
|
logger = [];
|
|
c = new FormControl('', Validators.required);
|
|
a = new FormArray([c]);
|
|
form = new FormGroup({a: a});
|
|
});
|
|
|
|
it('should emit value change events in the right order', () => {
|
|
c.valueChanges.subscribe(() => logger.push('control'));
|
|
a.valueChanges.subscribe(() => logger.push('array'));
|
|
form.valueChanges.subscribe(() => logger.push('form'));
|
|
|
|
a.disable();
|
|
expect(logger).toEqual(['control', 'array', 'form']);
|
|
});
|
|
|
|
it('should emit status change events in the right order', () => {
|
|
c.statusChanges.subscribe(() => logger.push('control'));
|
|
a.statusChanges.subscribe(() => logger.push('array'));
|
|
form.statusChanges.subscribe(() => logger.push('form'));
|
|
|
|
a.disable();
|
|
expect(logger).toEqual(['control', 'array', 'form']);
|
|
});
|
|
|
|
it('should not emit value change events when called with `emitEvent: false`', () => {
|
|
c.valueChanges.subscribe(() => logger.push('control'));
|
|
a.valueChanges.subscribe(() => logger.push('array'));
|
|
form.valueChanges.subscribe(() => logger.push('form'));
|
|
|
|
a.disable({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
a.enable({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
});
|
|
|
|
it('should not emit status change events when called with `emitEvent: false`', () => {
|
|
c.statusChanges.subscribe(() => logger.push('control'));
|
|
a.statusChanges.subscribe(() => logger.push('array'));
|
|
form.statusChanges.subscribe(() => logger.push('form'));
|
|
|
|
a.disable({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
a.enable({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
});
|
|
});
|
|
|
|
describe('setControl()', () => {
|
|
let c: FormControl;
|
|
let a: FormArray;
|
|
|
|
beforeEach(() => {
|
|
c = new FormControl('one');
|
|
a = new FormArray([c]);
|
|
});
|
|
|
|
it('should replace existing control with new control', () => {
|
|
const c2 = new FormControl('new!', Validators.minLength(10));
|
|
a.setControl(0, c2);
|
|
|
|
expect(a.controls[0]).toEqual(c2);
|
|
expect(a.value).toEqual(['new!']);
|
|
expect(a.valid).toBe(false);
|
|
});
|
|
|
|
it('should add control if control did not exist before', () => {
|
|
const c2 = new FormControl('new!', Validators.minLength(10));
|
|
a.setControl(1, c2);
|
|
|
|
expect(a.controls[1]).toEqual(c2);
|
|
expect(a.value).toEqual(['one', 'new!']);
|
|
expect(a.valid).toBe(false);
|
|
});
|
|
|
|
it('should remove control if new control is null', () => {
|
|
a.setControl(0, null!);
|
|
expect(a.controls[0]).not.toBeDefined();
|
|
expect(a.value).toEqual([]);
|
|
});
|
|
|
|
it('should only emit value change event once', () => {
|
|
const logger: string[] = [];
|
|
const c2 = new FormControl('new!');
|
|
a.valueChanges.subscribe(() => logger.push('change!'));
|
|
a.setControl(0, c2);
|
|
expect(logger).toEqual(['change!']);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
})();
|