1368 lines
40 KiB
TypeScript
1368 lines
40 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 {FormControl, FormGroup, Validators} from '@angular/forms';
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import {FormArray} from '@angular/forms/src/model';
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import {asyncValidator, asyncValidatorReturningObservable} from './util';
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(function() {
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function otherAsyncValidator() {
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return Promise.resolve({'other': true});
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}
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function syncValidator(_: any /** TODO #9100 */): any /** TODO #9100 */ {
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return null;
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}
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describe('FormControl', () => {
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it('should default the value to null', () => {
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const c = new FormControl();
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expect(c.value).toBe(null);
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});
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describe('markAllAsTouched', () => {
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it('should mark only the control itself as touched', () => {
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const control = new FormControl('');
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expect(control.touched).toBe(false);
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control.markAllAsTouched();
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expect(control.touched).toBe(true);
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});
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});
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describe('boxed values', () => {
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it('should support valid boxed values on creation', () => {
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const c = new FormControl({value: 'some val', disabled: true}, null!, null!);
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expect(c.disabled).toBe(true);
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expect(c.value).toBe('some val');
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expect(c.status).toBe('DISABLED');
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});
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it('should not treat objects as boxed values when `disabled` field is present, but `value` is missing',
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() => {
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const c = new FormControl({disabled: true});
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expect(c.value).toEqual({disabled: true});
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expect(c.disabled).toBe(false);
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});
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it('should honor boxed value with disabled control when validating', () => {
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const c = new FormControl({value: '', disabled: true}, Validators.required);
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expect(c.disabled).toBe(true);
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expect(c.valid).toBe(false);
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expect(c.status).toBe('DISABLED');
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});
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it('should not treat objects as boxed values if they have more than two props', () => {
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const c = new FormControl({value: '', disabled: true, test: 'test'}, null!, null!);
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expect(c.value).toEqual({value: '', disabled: true, test: 'test'});
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expect(c.disabled).toBe(false);
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});
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it('should not treat objects as boxed values if disabled is missing', () => {
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const c = new FormControl({value: '', test: 'test'}, null!, null!);
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expect(c.value).toEqual({value: '', test: 'test'});
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expect(c.disabled).toBe(false);
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});
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});
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describe('updateOn', () => {
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it('should default to on change', () => {
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const c = new FormControl('');
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expect(c.updateOn).toEqual('change');
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});
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it('should default to on change with an options obj', () => {
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const c = new FormControl('', {validators: Validators.required});
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expect(c.updateOn).toEqual('change');
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});
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it('should set updateOn when updating on blur', () => {
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const c = new FormControl('', {updateOn: 'blur'});
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expect(c.updateOn).toEqual('blur');
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});
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describe('in groups and arrays', () => {
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it('should default to group updateOn when not set in control', () => {
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const g =
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new FormGroup({one: new FormControl(), two: new FormControl()}, {updateOn: 'blur'});
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expect(g.get('one')!.updateOn).toEqual('blur');
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expect(g.get('two')!.updateOn).toEqual('blur');
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});
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it('should default to array updateOn when not set in control', () => {
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const a = new FormArray([new FormControl(), new FormControl()], {updateOn: 'blur'});
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expect(a.get([0])!.updateOn).toEqual('blur');
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expect(a.get([1])!.updateOn).toEqual('blur');
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});
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it('should set updateOn with nested groups', () => {
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const g = new FormGroup(
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{
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group: new FormGroup({one: new FormControl(), two: new FormControl()}),
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},
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{updateOn: 'blur'});
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expect(g.get('group.one')!.updateOn).toEqual('blur');
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expect(g.get('group.two')!.updateOn).toEqual('blur');
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expect(g.get('group')!.updateOn).toEqual('blur');
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});
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it('should set updateOn with nested arrays', () => {
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const g = new FormGroup(
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{
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arr: new FormArray([new FormControl(), new FormControl()]),
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},
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{updateOn: 'blur'});
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expect(g.get(['arr', 0])!.updateOn).toEqual('blur');
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expect(g.get(['arr', 1])!.updateOn).toEqual('blur');
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expect(g.get('arr')!.updateOn).toEqual('blur');
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});
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it('should allow control updateOn to override group updateOn', () => {
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const g = new FormGroup(
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{one: new FormControl('', {updateOn: 'change'}), two: new FormControl()},
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{updateOn: 'blur'});
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expect(g.get('one')!.updateOn).toEqual('change');
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expect(g.get('two')!.updateOn).toEqual('blur');
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});
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it('should set updateOn with complex setup', () => {
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const g = new FormGroup({
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group: new FormGroup(
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{one: new FormControl('', {updateOn: 'change'}), two: new FormControl()},
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{updateOn: 'blur'}),
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groupTwo: new FormGroup({one: new FormControl()}, {updateOn: 'submit'}),
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three: new FormControl()
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});
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expect(g.get('group.one')!.updateOn).toEqual('change');
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expect(g.get('group.two')!.updateOn).toEqual('blur');
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expect(g.get('groupTwo.one')!.updateOn).toEqual('submit');
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expect(g.get('three')!.updateOn).toEqual('change');
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});
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});
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});
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describe('validator', () => {
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it('should run validator with the initial value', () => {
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const c = new FormControl('value', Validators.required);
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expect(c.valid).toEqual(true);
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});
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it('should rerun the validator when the value changes', () => {
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const c = new FormControl('value', Validators.required);
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c.setValue(null);
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expect(c.valid).toEqual(false);
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});
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it('should support arrays of validator functions if passed', () => {
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const c = new FormControl('value', [Validators.required, Validators.minLength(3)]);
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c.setValue('a');
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expect(c.valid).toEqual(false);
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c.setValue('aaa');
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expect(c.valid).toEqual(true);
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});
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it('should support single validator from options obj', () => {
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const c = new FormControl(null, {validators: Validators.required});
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({required: true});
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c.setValue('value');
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expect(c.valid).toEqual(true);
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});
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it('should support multiple validators from options obj', () => {
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const c = new FormControl(null, {validators: [Validators.required, Validators.minLength(3)]});
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({required: true});
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c.setValue('aa');
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({minlength: {requiredLength: 3, actualLength: 2}});
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c.setValue('aaa');
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expect(c.valid).toEqual(true);
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});
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it('should support a null validators value', () => {
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const c = new FormControl(null, {validators: null});
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expect(c.valid).toEqual(true);
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});
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it('should support an empty options obj', () => {
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const c = new FormControl(null, {});
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expect(c.valid).toEqual(true);
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});
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it('should return errors', () => {
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const c = new FormControl(null, Validators.required);
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expect(c.errors).toEqual({'required': true});
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});
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it('should set single validator', () => {
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const c = new FormControl(null);
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expect(c.valid).toEqual(true);
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c.setValidators(Validators.required);
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c.setValue(null);
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expect(c.valid).toEqual(false);
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c.setValue('abc');
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expect(c.valid).toEqual(true);
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});
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it('should set multiple validators from array', () => {
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const c = new FormControl('');
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expect(c.valid).toEqual(true);
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c.setValidators([Validators.minLength(5), Validators.required]);
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c.setValue('');
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expect(c.valid).toEqual(false);
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c.setValue('abc');
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expect(c.valid).toEqual(false);
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c.setValue('abcde');
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expect(c.valid).toEqual(true);
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});
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it('should override validators using `setValidators` function', () => {
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const c = new FormControl('');
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expect(c.valid).toEqual(true);
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c.setValidators([Validators.minLength(5), Validators.required]);
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c.setValue('');
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expect(c.valid).toEqual(false);
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c.setValue('abc');
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expect(c.valid).toEqual(false);
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c.setValue('abcde');
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expect(c.valid).toEqual(true);
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// Define new set of validators, overriding previously applied ones.
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c.setValidators([Validators.maxLength(2)]);
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c.setValue('abcdef');
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expect(c.valid).toEqual(false);
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c.setValue('a');
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expect(c.valid).toEqual(true);
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});
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it('should override validators by setting `control.validator` field value', () => {
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const c = new FormControl('');
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expect(c.valid).toEqual(true);
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// Define new set of validators, overriding previously applied ones.
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c.validator = Validators.compose([Validators.minLength(5), Validators.required]);
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c.setValue('');
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expect(c.valid).toEqual(false);
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c.setValue('abc');
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expect(c.valid).toEqual(false);
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c.setValue('abcde');
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expect(c.valid).toEqual(true);
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// Define new set of validators, overriding previously applied ones.
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c.validator = Validators.compose([Validators.maxLength(2)]);
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c.setValue('abcdef');
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expect(c.valid).toEqual(false);
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c.setValue('a');
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expect(c.valid).toEqual(true);
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});
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it('should clear validators', () => {
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const c = new FormControl('', Validators.required);
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expect(c.valid).toEqual(false);
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c.clearValidators();
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expect(c.validator).toEqual(null);
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c.setValue('');
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expect(c.valid).toEqual(true);
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});
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it('should add after clearing', () => {
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const c = new FormControl('', Validators.required);
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expect(c.valid).toEqual(false);
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c.clearValidators();
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expect(c.validator).toEqual(null);
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c.setValidators([Validators.required]);
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expect(c.validator).not.toBe(null);
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});
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});
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describe('asyncValidator', () => {
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it('should run validator with the initial value', fakeAsync(() => {
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const c = new FormControl('value', null!, asyncValidator('expected'));
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tick();
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({'async': true});
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}));
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it('should support validators returning observables', fakeAsync(() => {
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const c = new FormControl('value', null!, asyncValidatorReturningObservable);
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tick();
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({'async': true});
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}));
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it('should rerun the validator when the value changes', fakeAsync(() => {
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const c = new FormControl('value', null!, asyncValidator('expected'));
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c.setValue('expected');
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tick();
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expect(c.valid).toEqual(true);
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}));
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it('should run the async validator only when the sync validator passes', fakeAsync(() => {
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const c = new FormControl('', Validators.required, asyncValidator('expected'));
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tick();
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expect(c.errors).toEqual({'required': true});
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c.setValue('some value');
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tick();
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expect(c.errors).toEqual({'async': true});
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}));
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it('should mark the control as pending while running the async validation', fakeAsync(() => {
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const c = new FormControl('', null!, asyncValidator('expected'));
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expect(c.pending).toEqual(true);
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tick();
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expect(c.pending).toEqual(false);
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}));
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it('should only use the latest async validation run', fakeAsync(() => {
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const c =
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new FormControl('', null!, asyncValidator('expected', {'long': 200, 'expected': 100}));
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c.setValue('long');
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c.setValue('expected');
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tick(300);
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expect(c.valid).toEqual(true);
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}));
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it('should support arrays of async validator functions if passed', fakeAsync(() => {
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const c =
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new FormControl('value', null!, [asyncValidator('expected'), otherAsyncValidator]);
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tick();
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expect(c.errors).toEqual({'async': true, 'other': true});
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}));
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it('should support a single async validator from options obj', fakeAsync(() => {
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const c = new FormControl('value', {asyncValidators: asyncValidator('expected')});
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expect(c.pending).toEqual(true);
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tick();
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({'async': true});
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}));
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it('should support multiple async validators from options obj', fakeAsync(() => {
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const c = new FormControl(
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'value', {asyncValidators: [asyncValidator('expected'), otherAsyncValidator]});
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expect(c.pending).toEqual(true);
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tick();
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({'async': true, 'other': true});
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}));
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it('should support a mix of validators from options obj', fakeAsync(() => {
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const c = new FormControl(
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'', {validators: Validators.required, asyncValidators: asyncValidator('expected')});
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tick();
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expect(c.errors).toEqual({required: true});
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c.setValue('value');
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expect(c.pending).toBe(true);
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tick();
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expect(c.valid).toEqual(false);
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expect(c.errors).toEqual({'async': true});
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}));
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it('should add single async validator', fakeAsync(() => {
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const c = new FormControl('value', null!);
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c.setAsyncValidators(asyncValidator('expected'));
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expect(c.asyncValidator).not.toEqual(null);
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c.setValue('expected');
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tick();
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expect(c.valid).toEqual(true);
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}));
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it('should add async validator from array', fakeAsync(() => {
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const c = new FormControl('value', null!);
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c.setAsyncValidators([asyncValidator('expected')]);
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expect(c.asyncValidator).not.toEqual(null);
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c.setValue('expected');
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tick();
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expect(c.valid).toEqual(true);
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}));
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it('should override validators using `setAsyncValidators` function', fakeAsync(() => {
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const c = new FormControl('');
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expect(c.valid).toEqual(true);
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c.setAsyncValidators([asyncValidator('expected')]);
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c.setValue('');
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tick();
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expect(c.valid).toEqual(false);
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c.setValue('expected');
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tick();
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expect(c.valid).toEqual(true);
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// Define new set of validators, overriding previously applied ones.
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c.setAsyncValidators([asyncValidator('new expected')]);
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c.setValue('expected');
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tick();
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expect(c.valid).toEqual(false);
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c.setValue('new expected');
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tick();
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expect(c.valid).toEqual(true);
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}));
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it('should override validators by setting `control.asyncValidator` field value',
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fakeAsync(() => {
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const c = new FormControl('');
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expect(c.valid).toEqual(true);
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c.asyncValidator = Validators.composeAsync([asyncValidator('expected')]);
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c.setValue('');
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tick();
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expect(c.valid).toEqual(false);
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c.setValue('expected');
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tick();
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expect(c.valid).toEqual(true);
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// Define new set of validators, overriding previously applied ones.
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c.asyncValidator = Validators.composeAsync([asyncValidator('new expected')]);
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c.setValue('expected');
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tick();
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expect(c.valid).toEqual(false);
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c.setValue('new expected');
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tick();
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expect(c.valid).toEqual(true);
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}));
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it('should clear async validators', fakeAsync(() => {
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const c = new FormControl('value', [asyncValidator('expected'), otherAsyncValidator]);
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c.clearValidators();
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expect(c.asyncValidator).toEqual(null);
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}));
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it('should not change validity state if control is disabled while async validating',
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fakeAsync(() => {
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const c = new FormControl('value', [asyncValidator('expected')]);
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c.disable();
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tick();
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expect(c.status).toEqual('DISABLED');
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}));
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});
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describe('dirty', () => {
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it('should be false after creating a control', () => {
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const c = new FormControl('value');
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expect(c.dirty).toEqual(false);
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});
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it('should be true after changing the value of the control', () => {
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const c = new FormControl('value');
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c.markAsDirty();
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expect(c.dirty).toEqual(true);
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});
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});
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describe('touched', () => {
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it('should be false after creating a control', () => {
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const c = new FormControl('value');
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expect(c.touched).toEqual(false);
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});
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it('should be true after markAsTouched runs', () => {
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const c = new FormControl('value');
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c.markAsTouched();
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expect(c.touched).toEqual(true);
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});
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});
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describe('setValue', () => {
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let g: FormGroup, c: FormControl;
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beforeEach(() => {
|
|
c = new FormControl('oldValue');
|
|
g = new FormGroup({'one': c});
|
|
});
|
|
|
|
it('should set the value of the control', () => {
|
|
c.setValue('newValue');
|
|
expect(c.value).toEqual('newValue');
|
|
});
|
|
|
|
it('should invoke ngOnChanges if it is present', () => {
|
|
let ngOnChanges: any;
|
|
c.registerOnChange((v: any) => ngOnChanges = ['invoked', v]);
|
|
|
|
c.setValue('newValue');
|
|
|
|
expect(ngOnChanges).toEqual(['invoked', 'newValue']);
|
|
});
|
|
|
|
it('should not invoke on change when explicitly specified', () => {
|
|
let onChange: any = null;
|
|
c.registerOnChange((v: any) => onChange = ['invoked', v]);
|
|
|
|
c.setValue('newValue', {emitModelToViewChange: false});
|
|
|
|
expect(onChange).toBeNull();
|
|
});
|
|
|
|
it('should set the parent', () => {
|
|
c.setValue('newValue');
|
|
expect(g.value).toEqual({'one': 'newValue'});
|
|
});
|
|
|
|
it('should not set the parent when explicitly specified', () => {
|
|
c.setValue('newValue', {onlySelf: true});
|
|
expect(g.value).toEqual({'one': 'oldValue'});
|
|
});
|
|
|
|
it('should fire an event', fakeAsync(() => {
|
|
c.valueChanges.subscribe((value) => {
|
|
expect(value).toEqual('newValue');
|
|
});
|
|
|
|
c.setValue('newValue');
|
|
tick();
|
|
}));
|
|
|
|
it('should not fire an event when explicitly specified', fakeAsync(() => {
|
|
c.valueChanges.subscribe((value) => {
|
|
throw 'Should not happen';
|
|
});
|
|
|
|
c.setValue('newValue', {emitEvent: false});
|
|
tick();
|
|
}));
|
|
|
|
it('should work on a disabled control', () => {
|
|
g.addControl('two', new FormControl('two'));
|
|
c.disable();
|
|
c.setValue('new value');
|
|
expect(c.value).toEqual('new value');
|
|
expect(g.value).toEqual({'two': 'two'});
|
|
});
|
|
});
|
|
|
|
describe('patchValue', () => {
|
|
let g: FormGroup, c: FormControl;
|
|
beforeEach(() => {
|
|
c = new FormControl('oldValue');
|
|
g = new FormGroup({'one': c});
|
|
});
|
|
|
|
it('should set the value of the control', () => {
|
|
c.patchValue('newValue');
|
|
expect(c.value).toEqual('newValue');
|
|
});
|
|
|
|
it('should invoke ngOnChanges if it is present', () => {
|
|
let ngOnChanges: any;
|
|
c.registerOnChange((v: any) => ngOnChanges = ['invoked', v]);
|
|
|
|
c.patchValue('newValue');
|
|
|
|
expect(ngOnChanges).toEqual(['invoked', 'newValue']);
|
|
});
|
|
|
|
it('should not invoke on change when explicitly specified', () => {
|
|
let onChange: any = null;
|
|
c.registerOnChange((v: any) => onChange = ['invoked', v]);
|
|
|
|
c.patchValue('newValue', {emitModelToViewChange: false});
|
|
|
|
expect(onChange).toBeNull();
|
|
});
|
|
|
|
it('should set the parent', () => {
|
|
c.patchValue('newValue');
|
|
expect(g.value).toEqual({'one': 'newValue'});
|
|
});
|
|
|
|
it('should not set the parent when explicitly specified', () => {
|
|
c.patchValue('newValue', {onlySelf: true});
|
|
expect(g.value).toEqual({'one': 'oldValue'});
|
|
});
|
|
|
|
it('should fire an event', fakeAsync(() => {
|
|
c.valueChanges.subscribe((value) => {
|
|
expect(value).toEqual('newValue');
|
|
});
|
|
|
|
c.patchValue('newValue');
|
|
tick();
|
|
}));
|
|
|
|
it('should not fire an event when explicitly specified', fakeAsync(() => {
|
|
c.valueChanges.subscribe((value) => {
|
|
throw 'Should not happen';
|
|
});
|
|
|
|
c.patchValue('newValue', {emitEvent: false});
|
|
|
|
tick();
|
|
}));
|
|
|
|
it('should patch value on a disabled control', () => {
|
|
g.addControl('two', new FormControl('two'));
|
|
c.disable();
|
|
|
|
c.patchValue('new value');
|
|
expect(c.value).toEqual('new value');
|
|
expect(g.value).toEqual({'two': 'two'});
|
|
});
|
|
});
|
|
|
|
describe('reset()', () => {
|
|
let c: FormControl;
|
|
|
|
beforeEach(() => {
|
|
c = new FormControl('initial value');
|
|
});
|
|
|
|
it('should reset to a specific value if passed', () => {
|
|
c.setValue('new value');
|
|
expect(c.value).toBe('new value');
|
|
|
|
c.reset('initial value');
|
|
expect(c.value).toBe('initial value');
|
|
});
|
|
|
|
it('should not set the parent when explicitly specified', () => {
|
|
const g = new FormGroup({'one': c});
|
|
c.patchValue('newValue', {onlySelf: true});
|
|
expect(g.value).toEqual({'one': 'initial value'});
|
|
});
|
|
|
|
it('should reset to a specific value if passed with boxed value', () => {
|
|
c.setValue('new value');
|
|
expect(c.value).toBe('new value');
|
|
|
|
c.reset({value: 'initial value', disabled: false});
|
|
expect(c.value).toBe('initial value');
|
|
});
|
|
|
|
it('should clear the control value if no value is passed', () => {
|
|
c.setValue('new value');
|
|
expect(c.value).toBe('new value');
|
|
|
|
c.reset();
|
|
expect(c.value).toBe(null);
|
|
});
|
|
|
|
it('should update the value of any parent controls with passed value', () => {
|
|
const g = new FormGroup({'one': c});
|
|
c.setValue('new value');
|
|
expect(g.value).toEqual({'one': 'new value'});
|
|
|
|
c.reset('initial value');
|
|
expect(g.value).toEqual({'one': 'initial value'});
|
|
});
|
|
|
|
it('should update the value of any parent controls with null value', () => {
|
|
const g = new FormGroup({'one': c});
|
|
c.setValue('new value');
|
|
expect(g.value).toEqual({'one': 'new value'});
|
|
|
|
c.reset();
|
|
expect(g.value).toEqual({'one': null});
|
|
});
|
|
|
|
it('should mark the control as pristine', () => {
|
|
c.markAsDirty();
|
|
expect(c.pristine).toBe(false);
|
|
|
|
c.reset();
|
|
expect(c.pristine).toBe(true);
|
|
});
|
|
|
|
it('should set the parent pristine state if all pristine', () => {
|
|
const g = new FormGroup({'one': c});
|
|
c.markAsDirty();
|
|
expect(g.pristine).toBe(false);
|
|
|
|
c.reset();
|
|
expect(g.pristine).toBe(true);
|
|
});
|
|
|
|
it('should not set the parent pristine state if it has other dirty controls', () => {
|
|
const c2 = new FormControl('two');
|
|
const g = new FormGroup({'one': c, 'two': c2});
|
|
c.markAsDirty();
|
|
c2.markAsDirty();
|
|
|
|
c.reset();
|
|
expect(g.pristine).toBe(false);
|
|
});
|
|
|
|
it('should mark the control as untouched', () => {
|
|
c.markAsTouched();
|
|
expect(c.untouched).toBe(false);
|
|
|
|
c.reset();
|
|
expect(c.untouched).toBe(true);
|
|
});
|
|
|
|
it('should set the parent untouched state if all untouched', () => {
|
|
const g = new FormGroup({'one': c});
|
|
c.markAsTouched();
|
|
expect(g.untouched).toBe(false);
|
|
|
|
c.reset();
|
|
expect(g.untouched).toBe(true);
|
|
});
|
|
|
|
it('should not set the parent untouched state if other touched controls', () => {
|
|
const c2 = new FormControl('two');
|
|
const g = new FormGroup({'one': c, 'two': c2});
|
|
c.markAsTouched();
|
|
c2.markAsTouched();
|
|
|
|
c.reset();
|
|
expect(g.untouched).toBe(false);
|
|
});
|
|
|
|
it('should retain the disabled state of the control', () => {
|
|
c.disable();
|
|
c.reset();
|
|
|
|
expect(c.disabled).toBe(true);
|
|
});
|
|
|
|
it('should set disabled state based on boxed value if passed', () => {
|
|
c.disable();
|
|
c.reset({value: null, disabled: false});
|
|
|
|
expect(c.disabled).toBe(false);
|
|
});
|
|
|
|
describe('reset() events', () => {
|
|
let g: FormGroup, c2: FormControl, logger: any[];
|
|
|
|
beforeEach(() => {
|
|
c2 = new FormControl('two');
|
|
g = new FormGroup({'one': c, 'two': c2});
|
|
logger = [];
|
|
});
|
|
|
|
it('should emit one valueChange event per reset control', () => {
|
|
g.valueChanges.subscribe(() => logger.push('group'));
|
|
c.valueChanges.subscribe(() => logger.push('control1'));
|
|
c2.valueChanges.subscribe(() => logger.push('control2'));
|
|
|
|
c.reset();
|
|
expect(logger).toEqual(['control1', 'group']);
|
|
});
|
|
|
|
it('should not fire an event when explicitly specified', fakeAsync(() => {
|
|
g.valueChanges.subscribe((value) => {
|
|
throw 'Should not happen';
|
|
});
|
|
c.valueChanges.subscribe((value) => {
|
|
throw 'Should not happen';
|
|
});
|
|
c2.valueChanges.subscribe((value) => {
|
|
throw 'Should not happen';
|
|
});
|
|
|
|
c.reset(null, {emitEvent: false});
|
|
|
|
tick();
|
|
}));
|
|
|
|
it('should emit one statusChange event per reset control', () => {
|
|
g.statusChanges.subscribe(() => logger.push('group'));
|
|
c.statusChanges.subscribe(() => logger.push('control1'));
|
|
c2.statusChanges.subscribe(() => logger.push('control2'));
|
|
|
|
c.reset();
|
|
expect(logger).toEqual(['control1', 'group']);
|
|
});
|
|
|
|
it('should emit one statusChange event per disabled control', () => {
|
|
g.statusChanges.subscribe(() => logger.push('group'));
|
|
c.statusChanges.subscribe(() => logger.push('control1'));
|
|
c2.statusChanges.subscribe(() => logger.push('control2'));
|
|
|
|
c.reset({value: null, disabled: true});
|
|
expect(logger).toEqual(['control1', 'group']);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('valueChanges & statusChanges', () => {
|
|
let c: FormControl;
|
|
|
|
beforeEach(() => {
|
|
c = new FormControl('old', Validators.required);
|
|
});
|
|
|
|
it('should fire an event after the value has been updated', done => {
|
|
c.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
expect(c.value).toEqual('new');
|
|
expect(value).toEqual('new');
|
|
done();
|
|
}
|
|
});
|
|
c.setValue('new');
|
|
});
|
|
|
|
it('should fire an event after the status has been updated to invalid', fakeAsync(() => {
|
|
c.statusChanges.subscribe({
|
|
next: (status: any) => {
|
|
expect(c.status).toEqual('INVALID');
|
|
expect(status).toEqual('INVALID');
|
|
}
|
|
});
|
|
|
|
c.setValue('');
|
|
tick();
|
|
}));
|
|
|
|
it('should fire statusChanges events for async validators added via options object',
|
|
fakeAsync(() => {
|
|
// The behavior can be tested for each of the model types.
|
|
let statuses: string[] = [];
|
|
|
|
// Create a form control with an async validator added via options object.
|
|
const asc = new FormControl('', {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']);
|
|
}));
|
|
|
|
it('should fire an event after the status has been updated to pending', fakeAsync(() => {
|
|
const c = new FormControl('old', Validators.required, asyncValidator('expected'));
|
|
|
|
const log: any[] /** TODO #9100 */ = [];
|
|
c.valueChanges.subscribe({next: (value: any) => log.push(`value: '${value}'`)});
|
|
|
|
c.statusChanges.subscribe({next: (status: any) => log.push(`status: '${status}'`)});
|
|
|
|
c.setValue('');
|
|
tick();
|
|
|
|
c.setValue('nonEmpty');
|
|
tick();
|
|
|
|
c.setValue('expected');
|
|
tick();
|
|
|
|
expect(log).toEqual([
|
|
'value: \'\'',
|
|
'status: \'INVALID\'',
|
|
'value: \'nonEmpty\'',
|
|
'status: \'PENDING\'',
|
|
'status: \'INVALID\'',
|
|
'value: \'expected\'',
|
|
'status: \'PENDING\'',
|
|
'status: \'VALID\'',
|
|
]);
|
|
}));
|
|
|
|
// TODO: remove the if statement after making observable delivery sync
|
|
it('should update set errors and status before emitting an event', done => {
|
|
c.valueChanges.subscribe((value: any /** TODO #9100 */) => {
|
|
expect(c.valid).toEqual(false);
|
|
expect(c.errors).toEqual({'required': true});
|
|
done();
|
|
});
|
|
c.setValue('');
|
|
});
|
|
|
|
it('should return a cold observable', done => {
|
|
c.setValue('will be ignored');
|
|
c.valueChanges.subscribe({
|
|
next: (value: any) => {
|
|
expect(value).toEqual('new');
|
|
done();
|
|
}
|
|
});
|
|
c.setValue('new');
|
|
});
|
|
});
|
|
|
|
describe('setErrors', () => {
|
|
it('should set errors on a control', () => {
|
|
const c = new FormControl('someValue');
|
|
|
|
c.setErrors({'someError': true});
|
|
|
|
expect(c.valid).toEqual(false);
|
|
expect(c.errors).toEqual({'someError': true});
|
|
});
|
|
|
|
it('should reset the errors and validity when the value changes', () => {
|
|
const c = new FormControl('someValue', Validators.required);
|
|
|
|
c.setErrors({'someError': true});
|
|
c.setValue('');
|
|
|
|
expect(c.errors).toEqual({'required': true});
|
|
});
|
|
|
|
it('should update the parent group\'s validity', () => {
|
|
const c = new FormControl('someValue');
|
|
const g = new FormGroup({'one': c});
|
|
|
|
expect(g.valid).toEqual(true);
|
|
|
|
c.setErrors({'someError': true});
|
|
|
|
expect(g.valid).toEqual(false);
|
|
});
|
|
|
|
it('should not reset parent\'s errors', () => {
|
|
const c = new FormControl('someValue');
|
|
const g = new FormGroup({'one': c});
|
|
|
|
g.setErrors({'someGroupError': true});
|
|
c.setErrors({'someError': true});
|
|
|
|
expect(g.errors).toEqual({'someGroupError': true});
|
|
});
|
|
|
|
it('should reset errors when updating a value', () => {
|
|
const c = new FormControl('oldValue');
|
|
const g = new FormGroup({'one': c});
|
|
|
|
g.setErrors({'someGroupError': true});
|
|
c.setErrors({'someError': true});
|
|
|
|
c.setValue('newValue');
|
|
|
|
expect(c.errors).toEqual(null);
|
|
expect(g.errors).toEqual(null);
|
|
});
|
|
});
|
|
|
|
describe('disable() & enable()', () => {
|
|
it('should mark the control as disabled', () => {
|
|
const c = new FormControl(null);
|
|
expect(c.disabled).toBe(false);
|
|
expect(c.valid).toBe(true);
|
|
|
|
c.disable();
|
|
expect(c.disabled).toBe(true);
|
|
expect(c.valid).toBe(false);
|
|
|
|
c.enable();
|
|
expect(c.disabled).toBe(false);
|
|
expect(c.valid).toBe(true);
|
|
});
|
|
|
|
it('should set the control status as disabled', () => {
|
|
const c = new FormControl(null);
|
|
expect(c.status).toEqual('VALID');
|
|
|
|
c.disable();
|
|
expect(c.status).toEqual('DISABLED');
|
|
|
|
c.enable();
|
|
expect(c.status).toEqual('VALID');
|
|
});
|
|
|
|
it('should retain the original value when disabled', () => {
|
|
const c = new FormControl('some value');
|
|
expect(c.value).toEqual('some value');
|
|
|
|
c.disable();
|
|
expect(c.value).toEqual('some value');
|
|
|
|
c.enable();
|
|
expect(c.value).toEqual('some value');
|
|
});
|
|
|
|
it('should keep the disabled control in the group, but return false for contains()', () => {
|
|
const c = new FormControl('');
|
|
const g = new FormGroup({'one': c});
|
|
|
|
expect(g.get('one')).toBeDefined();
|
|
expect(g.contains('one')).toBe(true);
|
|
|
|
c.disable();
|
|
expect(g.get('one')).toBeDefined();
|
|
expect(g.contains('one')).toBe(false);
|
|
});
|
|
|
|
it('should mark the parent group disabled if all controls are disabled', () => {
|
|
const c = new FormControl();
|
|
const c2 = new FormControl();
|
|
const g = new FormGroup({'one': c, 'two': c2});
|
|
expect(g.enabled).toBe(true);
|
|
|
|
c.disable();
|
|
expect(g.enabled).toBe(true);
|
|
|
|
c2.disable();
|
|
expect(g.enabled).toBe(false);
|
|
|
|
c.enable();
|
|
expect(g.enabled).toBe(true);
|
|
});
|
|
|
|
it('should update the parent group value when child control status changes', () => {
|
|
const c = new FormControl('one');
|
|
const c2 = new FormControl('two');
|
|
const g = new FormGroup({'one': c, 'two': c2});
|
|
expect(g.value).toEqual({'one': 'one', 'two': 'two'});
|
|
|
|
c.disable();
|
|
expect(g.value).toEqual({'two': 'two'});
|
|
|
|
c2.disable();
|
|
expect(g.value).toEqual({'one': 'one', 'two': 'two'});
|
|
|
|
c.enable();
|
|
expect(g.value).toEqual({'one': 'one'});
|
|
});
|
|
|
|
it('should mark the parent array disabled if all controls are disabled', () => {
|
|
const c = new FormControl();
|
|
const c2 = new FormControl();
|
|
const a = new FormArray([c, c2]);
|
|
expect(a.enabled).toBe(true);
|
|
|
|
c.disable();
|
|
expect(a.enabled).toBe(true);
|
|
|
|
c2.disable();
|
|
expect(a.enabled).toBe(false);
|
|
|
|
c.enable();
|
|
expect(a.enabled).toBe(true);
|
|
});
|
|
|
|
it('should update the parent array value when child control status changes', () => {
|
|
const c = new FormControl('one');
|
|
const c2 = new FormControl('two');
|
|
const a = new FormArray([c, c2]);
|
|
expect(a.value).toEqual(['one', 'two']);
|
|
|
|
c.disable();
|
|
expect(a.value).toEqual(['two']);
|
|
|
|
c2.disable();
|
|
expect(a.value).toEqual(['one', 'two']);
|
|
|
|
c.enable();
|
|
expect(a.value).toEqual(['one']);
|
|
});
|
|
|
|
it('should ignore disabled array controls when determining dirtiness', () => {
|
|
const c = new FormControl('one');
|
|
const c2 = new FormControl('two');
|
|
const a = new FormArray([c, c2]);
|
|
c.markAsDirty();
|
|
expect(a.dirty).toBe(true);
|
|
|
|
c.disable();
|
|
expect(c.dirty).toBe(true);
|
|
expect(a.dirty).toBe(false);
|
|
|
|
c.enable();
|
|
expect(a.dirty).toBe(true);
|
|
});
|
|
|
|
it('should not make a dirty array not dirty when disabling controls', () => {
|
|
const c = new FormControl('one');
|
|
const c2 = new FormControl('two');
|
|
const a = new FormArray([c, c2]);
|
|
|
|
a.markAsDirty();
|
|
expect(a.dirty).toBe(true);
|
|
expect(c.dirty).toBe(false);
|
|
|
|
c.disable();
|
|
expect(a.dirty).toBe(true);
|
|
|
|
c.enable();
|
|
expect(a.dirty).toBe(true);
|
|
});
|
|
|
|
it('should ignore disabled controls in validation', () => {
|
|
const c = new FormControl(null, Validators.required);
|
|
const c2 = new FormControl(null);
|
|
const g = new FormGroup({one: c, two: c2});
|
|
expect(g.valid).toBe(false);
|
|
|
|
c.disable();
|
|
expect(g.valid).toBe(true);
|
|
|
|
c.enable();
|
|
expect(g.valid).toBe(false);
|
|
});
|
|
|
|
it('should ignore disabled controls when serializing value in a group', () => {
|
|
const c = new FormControl('one');
|
|
const c2 = new FormControl('two');
|
|
const g = new FormGroup({one: c, two: c2});
|
|
expect(g.value).toEqual({one: 'one', two: 'two'});
|
|
|
|
c.disable();
|
|
expect(g.value).toEqual({two: 'two'});
|
|
|
|
c.enable();
|
|
expect(g.value).toEqual({one: 'one', two: 'two'});
|
|
});
|
|
|
|
it('should ignore disabled controls when serializing value in an array', () => {
|
|
const c = new FormControl('one');
|
|
const c2 = new FormControl('two');
|
|
const a = new FormArray([c, c2]);
|
|
expect(a.value).toEqual(['one', 'two']);
|
|
|
|
c.disable();
|
|
expect(a.value).toEqual(['two']);
|
|
|
|
c.enable();
|
|
expect(a.value).toEqual(['one', 'two']);
|
|
});
|
|
|
|
it('should ignore disabled controls when determining dirtiness', () => {
|
|
const c = new FormControl('one');
|
|
const c2 = new FormControl('two');
|
|
const g = new FormGroup({one: c, two: c2});
|
|
c.markAsDirty();
|
|
expect(g.dirty).toBe(true);
|
|
|
|
c.disable();
|
|
expect(c.dirty).toBe(true);
|
|
expect(g.dirty).toBe(false);
|
|
|
|
c.enable();
|
|
expect(g.dirty).toBe(true);
|
|
});
|
|
|
|
it('should not make a dirty group not dirty when disabling controls', () => {
|
|
const c = new FormControl('one');
|
|
const c2 = new FormControl('two');
|
|
const g = new FormGroup({one: c, two: c2});
|
|
|
|
g.markAsDirty();
|
|
expect(g.dirty).toBe(true);
|
|
expect(c.dirty).toBe(false);
|
|
|
|
c.disable();
|
|
expect(g.dirty).toBe(true);
|
|
|
|
c.enable();
|
|
expect(g.dirty).toBe(true);
|
|
});
|
|
|
|
it('should ignore disabled controls when determining touched state', () => {
|
|
const c = new FormControl('one');
|
|
const c2 = new FormControl('two');
|
|
const g = new FormGroup({one: c, two: c2});
|
|
c.markAsTouched();
|
|
expect(g.touched).toBe(true);
|
|
|
|
c.disable();
|
|
expect(c.touched).toBe(true);
|
|
expect(g.touched).toBe(false);
|
|
|
|
c.enable();
|
|
expect(g.touched).toBe(true);
|
|
});
|
|
|
|
it('should not run validators on disabled controls', () => {
|
|
const validator = jasmine.createSpy('validator');
|
|
const c = new FormControl('', validator);
|
|
expect(validator.calls.count()).toEqual(1);
|
|
|
|
c.disable();
|
|
expect(validator.calls.count()).toEqual(1);
|
|
|
|
c.setValue('value');
|
|
expect(validator.calls.count()).toEqual(1);
|
|
|
|
c.enable();
|
|
expect(validator.calls.count()).toEqual(2);
|
|
});
|
|
|
|
describe('disabled errors', () => {
|
|
it('should clear out the errors when disabled', () => {
|
|
const c = new FormControl('', Validators.required);
|
|
expect(c.errors).toEqual({required: true});
|
|
|
|
c.disable();
|
|
expect(c.errors).toEqual(null);
|
|
|
|
c.enable();
|
|
expect(c.errors).toEqual({required: true});
|
|
});
|
|
|
|
it('should clear out async errors when disabled', fakeAsync(() => {
|
|
const c = new FormControl('', null!, asyncValidator('expected'));
|
|
tick();
|
|
expect(c.errors).toEqual({'async': true});
|
|
|
|
c.disable();
|
|
expect(c.errors).toEqual(null);
|
|
|
|
c.enable();
|
|
tick();
|
|
expect(c.errors).toEqual({'async': true});
|
|
}));
|
|
});
|
|
|
|
describe('disabled events', () => {
|
|
let logger: string[];
|
|
let c: FormControl;
|
|
let g: FormGroup;
|
|
|
|
beforeEach(() => {
|
|
logger = [];
|
|
c = new FormControl('', Validators.required);
|
|
g = new FormGroup({one: c});
|
|
});
|
|
|
|
it('should emit a statusChange event when disabled status changes', () => {
|
|
c.statusChanges.subscribe((status: string) => logger.push(status));
|
|
|
|
c.disable();
|
|
expect(logger).toEqual(['DISABLED']);
|
|
|
|
c.enable();
|
|
expect(logger).toEqual(['DISABLED', 'INVALID']);
|
|
});
|
|
|
|
it('should emit status change events in correct order', () => {
|
|
c.statusChanges.subscribe(() => logger.push('control'));
|
|
g.statusChanges.subscribe(() => logger.push('group'));
|
|
|
|
c.disable();
|
|
expect(logger).toEqual(['control', 'group']);
|
|
});
|
|
|
|
it('should throw when sync validator passed into async validator param', () => {
|
|
const fn = () => new FormControl('', syncValidator, syncValidator);
|
|
// test for the specific error since without the error check it would still throw an error
|
|
// but
|
|
// not a meaningful one
|
|
expect(fn).toThrowError(`Expected validator to return Promise or Observable.`);
|
|
});
|
|
|
|
it('should not emit value change events when emitEvent = false', () => {
|
|
c.valueChanges.subscribe(() => logger.push('control'));
|
|
g.valueChanges.subscribe(() => logger.push('group'));
|
|
|
|
c.disable({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
c.enable({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
});
|
|
|
|
it('should not emit status change events when emitEvent = false', () => {
|
|
c.statusChanges.subscribe(() => logger.push('control'));
|
|
g.statusChanges.subscribe(() => logger.push('form'));
|
|
|
|
c.disable({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
c.enable({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
});
|
|
});
|
|
});
|
|
describe('pending', () => {
|
|
let c: FormControl;
|
|
|
|
beforeEach(() => {
|
|
c = new FormControl('value');
|
|
});
|
|
|
|
it('should be false after creating a control', () => {
|
|
expect(c.pending).toEqual(false);
|
|
});
|
|
|
|
it('should be true after changing the value of the control', () => {
|
|
c.markAsPending();
|
|
expect(c.pending).toEqual(true);
|
|
});
|
|
|
|
describe('status change events', () => {
|
|
let logger: string[];
|
|
|
|
beforeEach(() => {
|
|
logger = [];
|
|
c.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 when emitEvent = false', () => {
|
|
c.markAsPending({emitEvent: false});
|
|
expect(logger).toEqual([]);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
})();
|