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fix(forms): clear errors on disable (#11463)

Closes #11287
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kara authored and evmar committed Sep 9, 2016
1 parent f386cb4 commit 673de004d2fe054a96c02eafcf2e6836bf5dc117
@@ -190,6 +190,7 @@ export abstract class AbstractControl {
emitEvent = isPresent(emitEvent) ? emitEvent : true;

this._status = DISABLED;
this._errors = null;
this._forEachChild((control: AbstractControl) => { control.disable({onlySelf: true}); });
this._updateValue();

@@ -232,17 +233,16 @@ export abstract class AbstractControl {
onlySelf = normalizeBool(onlySelf);
emitEvent = isPresent(emitEvent) ? emitEvent : true;

this._setInitialStatus();
this._updateValue();
this._errors = this._runValidator();
const originalStatus = this._status;
this._status = this._calculateStatus();

if (this._status == VALID || this._status == PENDING) {
this._runAsyncValidator(emitEvent);
}
if (this.enabled) {
this._errors = this._runValidator();
this._status = this._calculateStatus();

if (this._disabledChanged(originalStatus)) {
this._updateValue();
if (this._status === VALID || this._status === PENDING) {
this._runAsyncValidator(emitEvent);
}
}

if (emitEvent) {
@@ -261,6 +261,8 @@ export abstract class AbstractControl {
this.updateValueAndValidity({onlySelf: true, emitEvent});
}

private _setInitialStatus() { this._status = this._allControlsDisabled() ? DISABLED : VALID; }

private _runValidator(): {[key: string]: any} {
return isPresent(this.validator) ? this.validator(this) : null;
}
@@ -281,11 +283,6 @@ export abstract class AbstractControl {
}
}

private _disabledChanged(originalStatus: string): boolean {
return this._status !== originalStatus &&
(this._status === DISABLED || originalStatus === DISABLED);
}

/**
* Sets errors on a form control.
*
@@ -14,13 +14,11 @@ import {isPresent} from '../src/facade/lang';
import {Validators} from '../src/validators';

export function main() {
function asyncValidator(expected: any /** TODO #9100 */, timeouts = {}) {
return (c: any /** TODO #9100 */) => {
function asyncValidator(expected: string, timeouts = {}) {
return (c: AbstractControl) => {
var resolve: (result: any) => void;
var promise = new Promise(res => { resolve = res; });
var t = isPresent((timeouts as any /** TODO #9100 */)[c.value]) ?
(timeouts as any /** TODO #9100 */)[c.value] :
0;
var t = isPresent((timeouts as any)[c.value]) ? (timeouts as any)[c.value] : 0;
var res = c.value != expected ? {'async': true} : null;

if (t == 0) {
@@ -799,6 +797,69 @@ export function main() {
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()], () => { return {'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()], () => { return {'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;
@@ -15,13 +15,11 @@ import {isPresent} from '../src/facade/lang';
import {FormArray} from '../src/model';

export function main() {
function asyncValidator(expected: any /** TODO #9100 */, timeouts = {}) {
return (c: any /** TODO #9100 */) => {
function asyncValidator(expected: string, timeouts = {}) {
return (c: FormControl) => {
var resolve: (result: any) => void;
var promise = new Promise(res => { resolve = res; });
var t = isPresent((timeouts as any /** TODO #9100 */)[c.value]) ?
(timeouts as any /** TODO #9100 */)[c.value] :
0;
var t = isPresent((timeouts as any)[c.value]) ? (timeouts as any)[c.value] : 0;
var res = c.value != expected ? {'async': true} : null;

if (t == 0) {
@@ -573,7 +571,7 @@ export function main() {
});

describe('valueChanges & statusChanges', () => {
var c: any /** TODO #9100 */;
let c: FormControl;

beforeEach(() => { c = new FormControl('old', Validators.required); });

@@ -892,6 +890,47 @@ export function main() {
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;
@@ -8,19 +8,17 @@

import {async, fakeAsync, tick} from '@angular/core/testing';
import {AsyncTestCompleter, beforeEach, ddescribe, describe, iit, inject, it, xit} from '@angular/core/testing/testing_internal';
import {FormControl, FormGroup, Validators} from '@angular/forms';
import {AbstractControl, FormControl, FormGroup, Validators} from '@angular/forms';

import {EventEmitter} from '../src/facade/async';
import {isPresent} from '../src/facade/lang';

export function main() {
function asyncValidator(expected: any /** TODO #9100 */, timeouts = {}) {
return (c: any /** TODO #9100 */) => {
function asyncValidator(expected: string, timeouts = {}) {
return (c: AbstractControl) => {
var resolve: (result: any) => void;
var promise = new Promise(res => { resolve = res; });
var t = isPresent((timeouts as any /** TODO #9100 */)[c.value]) ?
(timeouts as any /** TODO #9100 */)[c.value] :
0;
var t = isPresent((timeouts as any)[c.value]) ? (timeouts as any)[c.value] : 0;
var res = c.value != expected ? {'async': true} : null;

if (t == 0) {
@@ -801,6 +799,69 @@ export function main() {
expect(group.status).toEqual('VALID');
});

it('should not run validators on disabled controls', () => {
const validator = jasmine.createSpy('validator');
const g = new FormGroup({'one': new FormControl()}, validator);
expect(validator.calls.count()).toEqual(1);

g.disable();
expect(validator.calls.count()).toEqual(1);

g.setValue({one: 'value'});
expect(validator.calls.count()).toEqual(1);

g.enable();
expect(validator.calls.count()).toEqual(2);
});

describe('disabled errors', () => {
it('should clear out group errors when disabled', () => {
const g = new FormGroup({'one': new FormControl()}, () => { return {'expected': true}; });
expect(g.errors).toEqual({'expected': true});

g.disable();
expect(g.errors).toEqual(null);

g.enable();
expect(g.errors).toEqual({'expected': true});
});

it('should re-populate group errors when enabled from a child', () => {
const g = new FormGroup({'one': new FormControl()}, () => { return {'expected': true}; });
g.disable();
expect(g.errors).toEqual(null);

g.addControl('two', new FormControl());
expect(g.errors).toEqual({'expected': true});
});

it('should clear out async group errors when disabled', fakeAsync(() => {
const g = new FormGroup({'one': new FormControl()}, null, asyncValidator('expected'));
tick();
expect(g.errors).toEqual({'async': true});

g.disable();
expect(g.errors).toEqual(null);

g.enable();
tick();
expect(g.errors).toEqual({'async': true});
}));

it('should re-populate async group errors when enabled from a child', fakeAsync(() => {
const g = new FormGroup({'one': new FormControl()}, null, asyncValidator('expected'));
tick();
expect(g.errors).toEqual({'async': true});

g.disable();
expect(g.errors).toEqual(null);

g.addControl('two', new FormControl());
tick();
expect(g.errors).toEqual({'async': true});
}));
});

describe('disabled events', () => {
let logger: string[];
let c: FormControl;

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