/** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ import {Component, Directive, EventEmitter, Input, Output, Type, forwardRef} from '@angular/core'; import {ComponentFixture, TestBed, fakeAsync, tick} from '@angular/core/testing'; import {AbstractControl, ControlValueAccessor, FormArray, FormControl, FormGroup, FormGroupDirective, FormsModule, NG_ASYNC_VALIDATORS, NG_VALIDATORS, NG_VALUE_ACCESSOR, NgControl, ReactiveFormsModule, Validator, Validators} from '@angular/forms'; import {By} from '@angular/platform-browser/src/dom/debug/by'; import {getDOM} from '@angular/platform-browser/src/dom/dom_adapter'; import {dispatchEvent} from '@angular/platform-browser/testing/browser_util'; export function main() { describe('reactive forms integration tests', () => { function initTest(component: Type, ...directives: Type[]): ComponentFixture { TestBed.configureTestingModule( {declarations: [component, ...directives], imports: [FormsModule, ReactiveFormsModule]}); return TestBed.createComponent(component); } describe('basic functionality', () => { it('should work with single controls', () => { const fixture = initTest(FormControlComp); const control = new FormControl('old value'); fixture.componentInstance.control = control; fixture.detectChanges(); // model -> view const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('old value'); input.nativeElement.value = 'updated value'; dispatchEvent(input.nativeElement, 'input'); // view -> model expect(control.value).toEqual('updated value'); }); it('should work with formGroups (model -> view)', () => { const fixture = initTest(FormGroupComp); fixture.componentInstance.form = new FormGroup({'login': new FormControl('loginValue')}); fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('loginValue'); }); it('should add novalidate by default to form', () => { const fixture = initTest(FormGroupComp); fixture.componentInstance.form = new FormGroup({'login': new FormControl('loginValue')}); fixture.detectChanges(); const form = fixture.debugElement.query(By.css('form')); expect(form.nativeElement.getAttribute('novalidate')).toEqual(''); }); it('work with formGroups (view -> model)', () => { const fixture = initTest(FormGroupComp); const form = new FormGroup({'login': new FormControl('oldValue')}); fixture.componentInstance.form = form; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); input.nativeElement.value = 'updatedValue'; dispatchEvent(input.nativeElement, 'input'); expect(form.value).toEqual({'login': 'updatedValue'}); }); }); describe('rebound form groups', () => { it('should update DOM elements initially', () => { const fixture = initTest(FormGroupComp); fixture.componentInstance.form = new FormGroup({'login': new FormControl('oldValue')}); fixture.detectChanges(); fixture.componentInstance.form = new FormGroup({'login': new FormControl('newValue')}); fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('newValue'); }); it('should update model when UI changes', () => { const fixture = initTest(FormGroupComp); fixture.componentInstance.form = new FormGroup({'login': new FormControl('oldValue')}); fixture.detectChanges(); const newForm = new FormGroup({'login': new FormControl('newValue')}); fixture.componentInstance.form = newForm; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); input.nativeElement.value = 'Nancy'; dispatchEvent(input.nativeElement, 'input'); fixture.detectChanges(); expect(newForm.value).toEqual({login: 'Nancy'}); newForm.setValue({login: 'Carson'}); fixture.detectChanges(); expect(input.nativeElement.value).toEqual('Carson'); }); it('should work with radio buttons when reusing control', () => { const fixture = initTest(FormControlRadioButtons); const food = new FormControl('chicken'); fixture.componentInstance.form = new FormGroup({'food': food, 'drink': new FormControl('')}); fixture.detectChanges(); const newForm = new FormGroup({'food': food, 'drink': new FormControl('')}); fixture.componentInstance.form = newForm; fixture.detectChanges(); newForm.setValue({food: 'fish', drink: ''}); fixture.detectChanges(); const inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[0].nativeElement.checked).toBe(false); expect(inputs[1].nativeElement.checked).toBe(true); }); it('should update nested form group model when UI changes', () => { const fixture = initTest(NestedFormGroupComp); fixture.componentInstance.form = new FormGroup( {'signin': new FormGroup({'login': new FormControl(), 'password': new FormControl()})}); fixture.detectChanges(); const newForm = new FormGroup({ 'signin': new FormGroup( {'login': new FormControl('Nancy'), 'password': new FormControl('secret')}) }); fixture.componentInstance.form = newForm; fixture.detectChanges(); const inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[0].nativeElement.value).toEqual('Nancy'); expect(inputs[1].nativeElement.value).toEqual('secret'); inputs[0].nativeElement.value = 'Carson'; dispatchEvent(inputs[0].nativeElement, 'input'); fixture.detectChanges(); expect(newForm.value).toEqual({signin: {login: 'Carson', password: 'secret'}}); newForm.setValue({signin: {login: 'Bess', password: 'otherpass'}}); fixture.detectChanges(); expect(inputs[0].nativeElement.value).toEqual('Bess'); }); it('should pick up dir validators from form controls', () => { const fixture = initTest(LoginIsEmptyWrapper, LoginIsEmptyValidator); const form = new FormGroup({ 'login': new FormControl(''), 'min': new FormControl(''), 'max': new FormControl(''), 'pattern': new FormControl('') }); fixture.componentInstance.form = form; fixture.detectChanges(); expect(form.get('login').errors).toEqual({required: true}); const newForm = new FormGroup({ 'login': new FormControl(''), 'min': new FormControl(''), 'max': new FormControl(''), 'pattern': new FormControl('') }); fixture.componentInstance.form = newForm; fixture.detectChanges(); expect(newForm.get('login').errors).toEqual({required: true}); }); it('should pick up dir validators from nested form groups', () => { const fixture = initTest(NestedFormGroupComp, LoginIsEmptyValidator); const form = new FormGroup({ 'signin': new FormGroup({'login': new FormControl(''), 'password': new FormControl('')}) }); fixture.componentInstance.form = form; fixture.detectChanges(); expect(form.get('signin').valid).toBe(false); const newForm = new FormGroup({ 'signin': new FormGroup({'login': new FormControl(''), 'password': new FormControl('')}) }); fixture.componentInstance.form = newForm; fixture.detectChanges(); expect(form.get('signin').valid).toBe(false); }); it('should strip named controls that are not found', () => { const fixture = initTest(NestedFormGroupComp, LoginIsEmptyValidator); const form = new FormGroup({ 'signin': new FormGroup({'login': new FormControl(''), 'password': new FormControl('')}) }); fixture.componentInstance.form = form; fixture.detectChanges(); form.addControl('email', new FormControl('email')); fixture.detectChanges(); let emailInput = fixture.debugElement.query(By.css('[formControlName="email"]')); expect(emailInput.nativeElement.value).toEqual('email'); const newForm = new FormGroup({ 'signin': new FormGroup({'login': new FormControl(''), 'password': new FormControl('')}) }); fixture.componentInstance.form = newForm; fixture.detectChanges(); emailInput = fixture.debugElement.query(By.css('[formControlName="email"]')); expect(emailInput).toBe(null); }); it('should strip array controls that are not found', () => { const fixture = initTest(FormArrayComp); const cityArray = new FormArray([new FormControl('SF'), new FormControl('NY')]); const form = new FormGroup({cities: cityArray}); fixture.componentInstance.form = form; fixture.componentInstance.cityArray = cityArray; fixture.detectChanges(); let inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[2]).not.toBeDefined(); cityArray.push(new FormControl('LA')); fixture.detectChanges(); inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[2]).toBeDefined(); const newArr = new FormArray([new FormControl('SF'), new FormControl('NY')]); const newForm = new FormGroup({cities: newArr}); fixture.componentInstance.form = newForm; fixture.componentInstance.cityArray = newArr; fixture.detectChanges(); inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[2]).not.toBeDefined(); }); describe('nested control rebinding', () => { it('should attach dir to control when leaf control changes', () => { const form = new FormGroup({'login': new FormControl('oldValue')}); const fixture = initTest(FormGroupComp); fixture.componentInstance.form = form; fixture.detectChanges(); form.removeControl('login'); form.addControl('login', new FormControl('newValue')); fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('newValue'); input.nativeElement.value = 'user input'; dispatchEvent(input.nativeElement, 'input'); fixture.detectChanges(); expect(form.value).toEqual({login: 'user input'}); form.setValue({login: 'Carson'}); fixture.detectChanges(); expect(input.nativeElement.value).toEqual('Carson'); }); it('should attach dirs to all child controls when group control changes', () => { const fixture = initTest(NestedFormGroupComp, LoginIsEmptyValidator); const form = new FormGroup({ signin: new FormGroup( {login: new FormControl('oldLogin'), password: new FormControl('oldPassword')}) }); fixture.componentInstance.form = form; fixture.detectChanges(); form.removeControl('signin'); form.addControl( 'signin', new FormGroup( {login: new FormControl('newLogin'), password: new FormControl('newPassword')})); fixture.detectChanges(); const inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[0].nativeElement.value).toEqual('newLogin'); expect(inputs[1].nativeElement.value).toEqual('newPassword'); inputs[0].nativeElement.value = 'user input'; dispatchEvent(inputs[0].nativeElement, 'input'); fixture.detectChanges(); expect(form.value).toEqual({signin: {login: 'user input', password: 'newPassword'}}); form.setValue({signin: {login: 'Carson', password: 'Drew'}}); fixture.detectChanges(); expect(inputs[0].nativeElement.value).toEqual('Carson'); expect(inputs[1].nativeElement.value).toEqual('Drew'); }); it('should attach dirs to all present child controls when array control changes', () => { const fixture = initTest(FormArrayComp); const cityArray = new FormArray([new FormControl('SF'), new FormControl('NY')]); const form = new FormGroup({cities: cityArray}); fixture.componentInstance.form = form; fixture.componentInstance.cityArray = cityArray; fixture.detectChanges(); form.removeControl('cities'); form.addControl('cities', new FormArray([new FormControl('LA')])); fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('LA'); input.nativeElement.value = 'MTV'; dispatchEvent(input.nativeElement, 'input'); fixture.detectChanges(); expect(form.value).toEqual({cities: ['MTV']}); form.setValue({cities: ['LA']}); fixture.detectChanges(); expect(input.nativeElement.value).toEqual('LA'); }); }); }); describe('form arrays', () => { it('should support form arrays', () => { const fixture = initTest(FormArrayComp); const cityArray = new FormArray([new FormControl('SF'), new FormControl('NY')]); const form = new FormGroup({cities: cityArray}); fixture.componentInstance.form = form; fixture.componentInstance.cityArray = cityArray; fixture.detectChanges(); const inputs = fixture.debugElement.queryAll(By.css('input')); // model -> view expect(inputs[0].nativeElement.value).toEqual('SF'); expect(inputs[1].nativeElement.value).toEqual('NY'); expect(form.value).toEqual({cities: ['SF', 'NY']}); inputs[0].nativeElement.value = 'LA'; dispatchEvent(inputs[0].nativeElement, 'input'); fixture.detectChanges(); // view -> model expect(form.value).toEqual({cities: ['LA', 'NY']}); }); it('should support pushing new controls to form arrays', () => { const fixture = initTest(FormArrayComp); const cityArray = new FormArray([new FormControl('SF'), new FormControl('NY')]); const form = new FormGroup({cities: cityArray}); fixture.componentInstance.form = form; fixture.componentInstance.cityArray = cityArray; fixture.detectChanges(); cityArray.push(new FormControl('LA')); fixture.detectChanges(); const inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[2].nativeElement.value).toEqual('LA'); expect(form.value).toEqual({cities: ['SF', 'NY', 'LA']}); }); it('should support form groups nested in form arrays', () => { const fixture = initTest(FormArrayNestedGroup); const cityArray = new FormArray([ new FormGroup({town: new FormControl('SF'), state: new FormControl('CA')}), new FormGroup({town: new FormControl('NY'), state: new FormControl('NY')}) ]); const form = new FormGroup({cities: cityArray}); fixture.componentInstance.form = form; fixture.componentInstance.cityArray = cityArray; fixture.detectChanges(); const inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[0].nativeElement.value).toEqual('SF'); expect(inputs[1].nativeElement.value).toEqual('CA'); expect(inputs[2].nativeElement.value).toEqual('NY'); expect(inputs[3].nativeElement.value).toEqual('NY'); expect(form.value).toEqual({ cities: [{town: 'SF', state: 'CA'}, {town: 'NY', state: 'NY'}] }); inputs[0].nativeElement.value = 'LA'; dispatchEvent(inputs[0].nativeElement, 'input'); fixture.detectChanges(); expect(form.value).toEqual({ cities: [{town: 'LA', state: 'CA'}, {town: 'NY', state: 'NY'}] }); }); }); describe('programmatic changes', () => { it('should update the value in the DOM when setValue() is called', () => { const fixture = initTest(FormGroupComp); const login = new FormControl('oldValue'); const form = new FormGroup({'login': login}); fixture.componentInstance.form = form; fixture.detectChanges(); login.setValue('newValue'); fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('newValue'); }); describe('disabled controls', () => { it('should add disabled attribute to an individual control when instantiated as disabled', () => { const fixture = initTest(FormControlComp); const control = new FormControl({value: 'some value', disabled: true}); fixture.componentInstance.control = control; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.disabled).toBe(true); control.enable(); fixture.detectChanges(); expect(input.nativeElement.disabled).toBe(false); }); it('should add disabled attribute to formControlName when instantiated as disabled', () => { const fixture = initTest(FormGroupComp); const control = new FormControl({value: 'some value', disabled: true}); fixture.componentInstance.form = new FormGroup({login: control}); fixture.componentInstance.control = control; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.disabled).toBe(true); control.enable(); fixture.detectChanges(); expect(input.nativeElement.disabled).toBe(false); }); it('should add disabled attribute to an individual control when disable() is called', () => { const fixture = initTest(FormControlComp); const control = new FormControl('some value'); fixture.componentInstance.control = control; fixture.detectChanges(); control.disable(); fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.disabled).toBe(true); control.enable(); fixture.detectChanges(); expect(input.nativeElement.disabled).toBe(false); }); it('should add disabled attribute to child controls when disable() is called on group', () => { const fixture = initTest(FormGroupComp); const form = new FormGroup({'login': new FormControl('login')}); fixture.componentInstance.form = form; fixture.detectChanges(); form.disable(); fixture.detectChanges(); const inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[0].nativeElement.disabled).toBe(true); form.enable(); fixture.detectChanges(); expect(inputs[0].nativeElement.disabled).toBe(false); }); it('should not add disabled attribute to custom controls when disable() is called', () => { const fixture = initTest(MyInputForm, MyInput); const control = new FormControl('some value'); fixture.componentInstance.form = new FormGroup({login: control}); fixture.detectChanges(); control.disable(); fixture.detectChanges(); const input = fixture.debugElement.query(By.css('my-input')); expect(input.nativeElement.getAttribute('disabled')).toBe(null); }); }); }); describe('user input', () => { it('should mark controls as touched after interacting with the DOM control', () => { const fixture = initTest(FormGroupComp); const login = new FormControl('oldValue'); const form = new FormGroup({'login': login}); fixture.componentInstance.form = form; fixture.detectChanges(); const loginEl = fixture.debugElement.query(By.css('input')); expect(login.touched).toBe(false); dispatchEvent(loginEl.nativeElement, 'blur'); expect(login.touched).toBe(true); }); }); describe('submit and reset events', () => { it('should emit ngSubmit event with the original submit event on submit', () => { const fixture = initTest(FormGroupComp); fixture.componentInstance.form = new FormGroup({'login': new FormControl('loginValue')}); fixture.componentInstance.event = null; fixture.detectChanges(); const formEl = fixture.debugElement.query(By.css('form')).nativeElement; dispatchEvent(formEl, 'submit'); fixture.detectChanges(); expect(fixture.componentInstance.event.type).toEqual('submit'); }); it('should mark formGroup as submitted on submit event', () => { const fixture = initTest(FormGroupComp); fixture.componentInstance.form = new FormGroup({'login': new FormControl('loginValue')}); fixture.detectChanges(); const formGroupDir = fixture.debugElement.children[0].injector.get(FormGroupDirective); expect(formGroupDir.submitted).toBe(false); const formEl = fixture.debugElement.query(By.css('form')).nativeElement; dispatchEvent(formEl, 'submit'); fixture.detectChanges(); expect(formGroupDir.submitted).toEqual(true); }); it('should set value in UI when form resets to that value programmatically', () => { const fixture = initTest(FormGroupComp); const login = new FormControl('some value'); const form = new FormGroup({'login': login}); fixture.componentInstance.form = form; fixture.detectChanges(); const loginEl = fixture.debugElement.query(By.css('input')).nativeElement; expect(loginEl.value).toBe('some value'); form.reset({'login': 'reset value'}); expect(loginEl.value).toBe('reset value'); }); it('should clear value in UI when form resets programmatically', () => { const fixture = initTest(FormGroupComp); const login = new FormControl('some value'); const form = new FormGroup({'login': login}); fixture.componentInstance.form = form; fixture.detectChanges(); const loginEl = fixture.debugElement.query(By.css('input')).nativeElement; expect(loginEl.value).toBe('some value'); form.reset(); expect(loginEl.value).toBe(''); }); }); describe('value changes and status changes', () => { it('should mark controls as dirty before emitting a value change event', () => { const fixture = initTest(FormGroupComp); const login = new FormControl('oldValue'); fixture.componentInstance.form = new FormGroup({'login': login}); fixture.detectChanges(); login.valueChanges.subscribe(() => { expect(login.dirty).toBe(true); }); const loginEl = fixture.debugElement.query(By.css('input')).nativeElement; loginEl.value = 'newValue'; dispatchEvent(loginEl, 'input'); }); it('should mark control as pristine before emitting a value change event when resetting ', () => { const fixture = initTest(FormGroupComp); const login = new FormControl('oldValue'); const form = new FormGroup({'login': login}); fixture.componentInstance.form = form; fixture.detectChanges(); const loginEl = fixture.debugElement.query(By.css('input')).nativeElement; loginEl.value = 'newValue'; dispatchEvent(loginEl, 'input'); expect(login.pristine).toBe(false); login.valueChanges.subscribe(() => { expect(login.pristine).toBe(true); }); form.reset(); }); }); describe('setting status classes', () => { it('should work with single fields', () => { const fixture = initTest(FormControlComp); const control = new FormControl('', Validators.required); fixture.componentInstance.control = control; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')).nativeElement; expect(sortedClassList(input)).toEqual(['ng-invalid', 'ng-pristine', 'ng-untouched']); dispatchEvent(input, 'blur'); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-invalid', 'ng-pristine', 'ng-touched']); input.value = 'updatedValue'; dispatchEvent(input, 'input'); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-touched', 'ng-valid']); }); it('should work with single fields and async validators', fakeAsync(() => { const fixture = initTest(FormControlComp); const control = new FormControl('', null, uniqLoginAsyncValidator('good')); fixture.debugElement.componentInstance.control = control; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')).nativeElement; expect(sortedClassList(input)).toEqual(['ng-pending', 'ng-pristine', 'ng-untouched']); dispatchEvent(input, 'blur'); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-pending', 'ng-pristine', 'ng-touched']); input.value = 'good'; dispatchEvent(input, 'input'); tick(); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-touched', 'ng-valid']); })); it('should work with single fields that combines async and sync validators', fakeAsync(() => { const fixture = initTest(FormControlComp); const control = new FormControl('', Validators.required, uniqLoginAsyncValidator('good')); fixture.debugElement.componentInstance.control = control; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')).nativeElement; expect(sortedClassList(input)).toEqual(['ng-invalid', 'ng-pristine', 'ng-untouched']); dispatchEvent(input, 'blur'); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-invalid', 'ng-pristine', 'ng-touched']); input.value = 'bad'; dispatchEvent(input, 'input'); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-pending', 'ng-touched']); tick(); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-invalid', 'ng-touched']); input.value = 'good'; dispatchEvent(input, 'input'); tick(); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-touched', 'ng-valid']); })); it('should work with single fields in parent forms', () => { const fixture = initTest(FormGroupComp); const form = new FormGroup({'login': new FormControl('', Validators.required)}); fixture.componentInstance.form = form; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')).nativeElement; expect(sortedClassList(input)).toEqual(['ng-invalid', 'ng-pristine', 'ng-untouched']); dispatchEvent(input, 'blur'); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-invalid', 'ng-pristine', 'ng-touched']); input.value = 'updatedValue'; dispatchEvent(input, 'input'); fixture.detectChanges(); expect(sortedClassList(input)).toEqual(['ng-dirty', 'ng-touched', 'ng-valid']); }); it('should work with formGroup', () => { const fixture = initTest(FormGroupComp); const form = new FormGroup({'login': new FormControl('', Validators.required)}); fixture.componentInstance.form = form; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')).nativeElement; const formEl = fixture.debugElement.query(By.css('form')).nativeElement; expect(sortedClassList(formEl)).toEqual(['ng-invalid', 'ng-pristine', 'ng-untouched']); dispatchEvent(input, 'blur'); fixture.detectChanges(); expect(sortedClassList(formEl)).toEqual(['ng-invalid', 'ng-pristine', 'ng-touched']); input.value = 'updatedValue'; dispatchEvent(input, 'input'); fixture.detectChanges(); expect(sortedClassList(formEl)).toEqual(['ng-dirty', 'ng-touched', 'ng-valid']); }); }); describe('value accessors', () => { it('should support without type', () => { TestBed.overrideComponent( FormControlComp, {set: {template: ``}}); const fixture = initTest(FormControlComp); const control = new FormControl('old'); fixture.componentInstance.control = control; fixture.detectChanges(); // model -> view const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('old'); input.nativeElement.value = 'new'; dispatchEvent(input.nativeElement, 'input'); // view -> model expect(control.value).toEqual('new'); }); it('should support ', () => { const fixture = initTest(FormGroupComp); const form = new FormGroup({'login': new FormControl('old')}); fixture.componentInstance.form = form; fixture.detectChanges(); // model -> view const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('old'); input.nativeElement.value = 'new'; dispatchEvent(input.nativeElement, 'input'); // view -> model expect(form.value).toEqual({'login': 'new'}); }); it('should ignore the change event for ', () => { const fixture = initTest(FormGroupComp); const form = new FormGroup({'login': new FormControl('oldValue')}); fixture.componentInstance.form = form; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); form.valueChanges.subscribe({next: (value) => { throw 'Should not happen'; }}); input.nativeElement.value = 'updatedValue'; dispatchEvent(input.nativeElement, 'change'); }); it('should support `}}); const fixture = initTest(FormControlComp); const control = new FormControl('old'); fixture.componentInstance.control = control; fixture.detectChanges(); // model -> view const textarea = fixture.debugElement.query(By.css('textarea')); expect(textarea.nativeElement.value).toEqual('old'); textarea.nativeElement.value = 'new'; dispatchEvent(textarea.nativeElement, 'input'); // view -> model expect(control.value).toEqual('new'); }); it('should support ', () => { TestBed.overrideComponent( FormControlComp, {set: {template: ``}}); const fixture = initTest(FormControlComp); const control = new FormControl(true); fixture.componentInstance.control = control; fixture.detectChanges(); // model -> view const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.checked).toBe(true); input.nativeElement.checked = false; dispatchEvent(input.nativeElement, 'change'); // view -> model expect(control.value).toBe(false); }); it('should support
` } }); const fixture = initTest(FormControlRadioButtons); const form = new FormGroup({ food: new FormControl('fish'), nested: new FormGroup({food: new FormControl('fish')}) }); fixture.componentInstance.form = form; fixture.detectChanges(); // model -> view const inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[0].nativeElement.checked).toEqual(false); expect(inputs[1].nativeElement.checked).toEqual(true); expect(inputs[2].nativeElement.checked).toEqual(false); expect(inputs[3].nativeElement.checked).toEqual(true); dispatchEvent(inputs[0].nativeElement, 'change'); fixture.detectChanges(); // view -> model expect(form.get('food').value).toEqual('chicken'); expect(form.get('nested.food').value).toEqual('fish'); expect(inputs[1].nativeElement.checked).toEqual(false); expect(inputs[2].nativeElement.checked).toEqual(false); expect(inputs[3].nativeElement.checked).toEqual(true); }); it('should disable all radio buttons when disable() is called', () => { const fixture = initTest(FormControlRadioButtons); const form = new FormGroup({food: new FormControl('fish'), drink: new FormControl('cola')}); fixture.componentInstance.form = form; fixture.detectChanges(); const inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[0].nativeElement.disabled).toEqual(false); expect(inputs[1].nativeElement.disabled).toEqual(false); expect(inputs[2].nativeElement.disabled).toEqual(false); expect(inputs[3].nativeElement.disabled).toEqual(false); form.get('food').disable(); expect(inputs[0].nativeElement.disabled).toEqual(true); expect(inputs[1].nativeElement.disabled).toEqual(true); expect(inputs[2].nativeElement.disabled).toEqual(false); expect(inputs[3].nativeElement.disabled).toEqual(false); form.disable(); expect(inputs[0].nativeElement.disabled).toEqual(true); expect(inputs[1].nativeElement.disabled).toEqual(true); expect(inputs[2].nativeElement.disabled).toEqual(true); expect(inputs[3].nativeElement.disabled).toEqual(true); form.enable(); expect(inputs[0].nativeElement.disabled).toEqual(false); expect(inputs[1].nativeElement.disabled).toEqual(false); expect(inputs[2].nativeElement.disabled).toEqual(false); expect(inputs[3].nativeElement.disabled).toEqual(false); }); it('should disable all radio buttons when initially disabled', () => { const fixture = initTest(FormControlRadioButtons); const form = new FormGroup({ food: new FormControl({value: 'fish', disabled: true}), drink: new FormControl('cola') }); fixture.componentInstance.form = form; fixture.detectChanges(); const inputs = fixture.debugElement.queryAll(By.css('input')); expect(inputs[0].nativeElement.disabled).toEqual(true); expect(inputs[1].nativeElement.disabled).toEqual(true); expect(inputs[2].nativeElement.disabled).toEqual(false); expect(inputs[3].nativeElement.disabled).toEqual(false); }); }); describe('should support ', () => { it('with basic use case', () => { const fixture = initTest(FormControlRangeInput); const control = new FormControl(10); fixture.componentInstance.control = control; fixture.detectChanges(); // model -> view const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('10'); input.nativeElement.value = '20'; dispatchEvent(input.nativeElement, 'input'); // view -> model expect(control.value).toEqual(20); }); it('when value is cleared in the UI', () => { const fixture = initTest(FormControlNumberInput); const control = new FormControl(10, Validators.required); fixture.componentInstance.control = control; fixture.detectChanges(); const input = fixture.debugElement.query(By.css('input')); input.nativeElement.value = ''; dispatchEvent(input.nativeElement, 'input'); expect(control.valid).toBe(false); expect(control.value).toEqual(null); input.nativeElement.value = '0'; dispatchEvent(input.nativeElement, 'input'); expect(control.valid).toBe(true); expect(control.value).toEqual(0); }); it('when value is cleared programmatically', () => { const fixture = initTest(FormControlNumberInput); const control = new FormControl(10); fixture.componentInstance.control = control; fixture.detectChanges(); control.setValue(null); const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual(''); }); }); describe('custom value accessors', () => { it('should support basic functionality', () => { const fixture = initTest(WrappedValueForm, WrappedValue); const form = new FormGroup({'login': new FormControl('aa')}); fixture.componentInstance.form = form; fixture.detectChanges(); // model -> view const input = fixture.debugElement.query(By.css('input')); expect(input.nativeElement.value).toEqual('!aa!'); input.nativeElement.value = '!bb!'; dispatchEvent(input.nativeElement, 'input'); // view -> model expect(form.value).toEqual({'login': 'bb'}); // custom validator expect(form.get('login').errors).toEqual({'err': true}); form.setValue({login: 'expected'}); expect(form.get('login').errors).toEqual(null); }); it('should support non builtin input elements that fire a change event without a \'target\' property', () => { const fixture = initTest(MyInputForm, MyInput); fixture.componentInstance.form = new FormGroup({'login': new FormControl('aa')}); fixture.detectChanges(); const input = fixture.debugElement.query(By.css('my-input')); expect(input.componentInstance.value).toEqual('!aa!'); input.componentInstance.value = '!bb!'; input.componentInstance.onInput.subscribe((value: any) => { expect(fixture.componentInstance.form.value).toEqual({'login': 'bb'}); }); input.componentInstance.dispatchChangeEvent(); }); it('should support custom accessors without setDisabledState - formControlName', () => { const fixture = initTest(WrappedValueForm, WrappedValue); fixture.componentInstance.form = new FormGroup({ 'login': new FormControl({value: 'aa', disabled: true}), }); fixture.detectChanges(); expect(fixture.componentInstance.form.status).toEqual('DISABLED'); expect(fixture.componentInstance.form.get('login').status).toEqual('DISABLED'); }); it('should support custom accessors without setDisabledState - formControlDirective', () => { TestBed.overrideComponent( FormControlComp, {set: {template: ``}}); const fixture = initTest(FormControlComp); fixture.componentInstance.control = new FormControl({value: 'aa', disabled: true}); fixture.detectChanges(); expect(fixture.componentInstance.control.status).toEqual('DISABLED'); }); }); }); describe('ngModel interactions', () => { it('should support ngModel for complex forms', fakeAsync(() => { const fixture = initTest(FormGroupNgModel); fixture.componentInstance.form = new FormGroup({'login': new FormControl('')}); fixture.componentInstance.login = 'oldValue'; fixture.detectChanges(); tick(); const input = fixture.debugElement.query(By.css('input')).nativeElement; expect(input.value).toEqual('oldValue'); input.value = 'updatedValue'; dispatchEvent(input, 'input'); tick(); expect(fixture.componentInstance.login).toEqual('updatedValue'); })); it('should support ngModel for single fields', fakeAsync(() => { const fixture = initTest(FormControlNgModel); fixture.componentInstance.control = new FormControl(''); fixture.componentInstance.login = 'oldValue'; fixture.detectChanges(); tick(); const input = fixture.debugElement.query(By.css('input')).nativeElement; expect(input.value).toEqual('oldValue'); input.value = 'updatedValue'; dispatchEvent(input, 'input'); tick(); expect(fixture.componentInstance.login).toEqual('updatedValue'); })); it('should not update the view when the value initially came from the view', fakeAsync(() => { const fixture = initTest(FormControlNgModel); fixture.componentInstance.control = new FormControl(''); fixture.detectChanges(); tick(); const input = fixture.debugElement.query(By.css('input')).nativeElement; input.value = 'aa'; input.setSelectionRange(1, 2); dispatchEvent(input, 'input'); fixture.detectChanges(); tick(); // selection start has not changed because we did not reset the value expect(input.selectionStart).toEqual(1); })); }); describe('validations', () => { it('required validator should validate checkbox', () => { const fixture = initTest(FormControlCheckboxRequiredValidator); const control = new FormControl(false, Validators.requiredTrue); fixture.componentInstance.control = control; fixture.detectChanges(); const checkbox = fixture.debugElement.query(By.css('input')); expect(checkbox.nativeElement.checked).toBe(false); expect(control.hasError('required')).toEqual(true); checkbox.nativeElement.checked = true; dispatchEvent(checkbox.nativeElement, 'change'); fixture.detectChanges(); expect(checkbox.nativeElement.checked).toBe(true); expect(control.hasError('required')).toEqual(false); }); it('should use sync validators defined in html', () => { const fixture = initTest(LoginIsEmptyWrapper, LoginIsEmptyValidator); const form = new FormGroup({ 'login': new FormControl(''), 'min': new FormControl(''), 'max': new FormControl(''), 'pattern': new FormControl('') }); fixture.componentInstance.form = form; fixture.detectChanges(); const required = fixture.debugElement.query(By.css('[required]')); const minLength = fixture.debugElement.query(By.css('[minlength]')); const maxLength = fixture.debugElement.query(By.css('[maxlength]')); const pattern = fixture.debugElement.query(By.css('[pattern]')); required.nativeElement.value = ''; minLength.nativeElement.value = '1'; maxLength.nativeElement.value = '1234'; pattern.nativeElement.value = '12'; dispatchEvent(required.nativeElement, 'input'); dispatchEvent(minLength.nativeElement, 'input'); dispatchEvent(maxLength.nativeElement, 'input'); dispatchEvent(pattern.nativeElement, 'input'); expect(form.hasError('required', ['login'])).toEqual(true); expect(form.hasError('minlength', ['min'])).toEqual(true); expect(form.hasError('maxlength', ['max'])).toEqual(true); expect(form.hasError('pattern', ['pattern'])).toEqual(true); expect(form.hasError('loginIsEmpty')).toEqual(true); required.nativeElement.value = '1'; minLength.nativeElement.value = '123'; maxLength.nativeElement.value = '123'; pattern.nativeElement.value = '123'; dispatchEvent(required.nativeElement, 'input'); dispatchEvent(minLength.nativeElement, 'input'); dispatchEvent(maxLength.nativeElement, 'input'); dispatchEvent(pattern.nativeElement, 'input'); expect(form.valid).toEqual(true); }); it('should use sync validators using bindings', () => { const fixture = initTest(ValidationBindingsForm); const form = new FormGroup({ 'login': new FormControl(''), 'min': new FormControl(''), 'max': new FormControl(''), 'pattern': new FormControl('') }); fixture.componentInstance.form = form; fixture.componentInstance.required = true; fixture.componentInstance.minLen = 3; fixture.componentInstance.maxLen = 3; fixture.componentInstance.pattern = '.{3,}'; fixture.detectChanges(); const required = fixture.debugElement.query(By.css('[name=required]')); const minLength = fixture.debugElement.query(By.css('[name=minlength]')); const maxLength = fixture.debugElement.query(By.css('[name=maxlength]')); const pattern = fixture.debugElement.query(By.css('[name=pattern]')); required.nativeElement.value = ''; minLength.nativeElement.value = '1'; maxLength.nativeElement.value = '1234'; pattern.nativeElement.value = '12'; dispatchEvent(required.nativeElement, 'input'); dispatchEvent(minLength.nativeElement, 'input'); dispatchEvent(maxLength.nativeElement, 'input'); dispatchEvent(pattern.nativeElement, 'input'); expect(form.hasError('required', ['login'])).toEqual(true); expect(form.hasError('minlength', ['min'])).toEqual(true); expect(form.hasError('maxlength', ['max'])).toEqual(true); expect(form.hasError('pattern', ['pattern'])).toEqual(true); required.nativeElement.value = '1'; minLength.nativeElement.value = '123'; maxLength.nativeElement.value = '123'; pattern.nativeElement.value = '123'; dispatchEvent(required.nativeElement, 'input'); dispatchEvent(minLength.nativeElement, 'input'); dispatchEvent(maxLength.nativeElement, 'input'); dispatchEvent(pattern.nativeElement, 'input'); expect(form.valid).toEqual(true); }); it('changes on bound properties should change the validation state of the form', () => { const fixture = initTest(ValidationBindingsForm); const form = new FormGroup({ 'login': new FormControl(''), 'min': new FormControl(''), 'max': new FormControl(''), 'pattern': new FormControl('') }); fixture.componentInstance.form = form; fixture.detectChanges(); const required = fixture.debugElement.query(By.css('[name=required]')); const minLength = fixture.debugElement.query(By.css('[name=minlength]')); const maxLength = fixture.debugElement.query(By.css('[name=maxlength]')); const pattern = fixture.debugElement.query(By.css('[name=pattern]')); required.nativeElement.value = ''; minLength.nativeElement.value = '1'; maxLength.nativeElement.value = '1234'; pattern.nativeElement.value = '12'; dispatchEvent(required.nativeElement, 'input'); dispatchEvent(minLength.nativeElement, 'input'); dispatchEvent(maxLength.nativeElement, 'input'); dispatchEvent(pattern.nativeElement, 'input'); expect(form.hasError('required', ['login'])).toEqual(false); expect(form.hasError('minlength', ['min'])).toEqual(false); expect(form.hasError('maxlength', ['max'])).toEqual(false); expect(form.hasError('pattern', ['pattern'])).toEqual(false); expect(form.valid).toEqual(true); fixture.componentInstance.required = true; fixture.componentInstance.minLen = 3; fixture.componentInstance.maxLen = 3; fixture.componentInstance.pattern = '.{3,}'; fixture.detectChanges(); dispatchEvent(required.nativeElement, 'input'); dispatchEvent(minLength.nativeElement, 'input'); dispatchEvent(maxLength.nativeElement, 'input'); dispatchEvent(pattern.nativeElement, 'input'); expect(form.hasError('required', ['login'])).toEqual(true); expect(form.hasError('minlength', ['min'])).toEqual(true); expect(form.hasError('maxlength', ['max'])).toEqual(true); expect(form.hasError('pattern', ['pattern'])).toEqual(true); expect(form.valid).toEqual(false); expect(required.nativeElement.getAttribute('required')).toEqual(''); expect(fixture.componentInstance.minLen.toString()) .toEqual(minLength.nativeElement.getAttribute('minlength')); expect(fixture.componentInstance.maxLen.toString()) .toEqual(maxLength.nativeElement.getAttribute('maxlength')); expect(fixture.componentInstance.pattern.toString()) .toEqual(pattern.nativeElement.getAttribute('pattern')); fixture.componentInstance.required = false; fixture.componentInstance.minLen = null; fixture.componentInstance.maxLen = null; fixture.componentInstance.pattern = null; fixture.detectChanges(); expect(form.hasError('required', ['login'])).toEqual(false); expect(form.hasError('minlength', ['min'])).toEqual(false); expect(form.hasError('maxlength', ['max'])).toEqual(false); expect(form.hasError('pattern', ['pattern'])).toEqual(false); expect(form.valid).toEqual(true); expect(required.nativeElement.getAttribute('required')).toEqual(null); expect(required.nativeElement.getAttribute('minlength')).toEqual(null); expect(required.nativeElement.getAttribute('maxlength')).toEqual(null); expect(required.nativeElement.getAttribute('pattern')).toEqual(null); }); it('should support rebound controls with rebound validators', () => { const fixture = initTest(ValidationBindingsForm); const form = new FormGroup({ 'login': new FormControl(''), 'min': new FormControl(''), 'max': new FormControl(''), 'pattern': new FormControl('') }); fixture.componentInstance.form = form; fixture.componentInstance.required = true; fixture.componentInstance.minLen = 3; fixture.componentInstance.maxLen = 3; fixture.componentInstance.pattern = '.{3,}'; fixture.detectChanges(); const newForm = new FormGroup({ 'login': new FormControl(''), 'min': new FormControl(''), 'max': new FormControl(''), 'pattern': new FormControl('') }); fixture.componentInstance.form = newForm; fixture.detectChanges(); fixture.componentInstance.required = false; fixture.componentInstance.minLen = null; fixture.componentInstance.maxLen = null; fixture.componentInstance.pattern = null; fixture.detectChanges(); expect(newForm.hasError('required', ['login'])).toEqual(false); expect(newForm.hasError('minlength', ['min'])).toEqual(false); expect(newForm.hasError('maxlength', ['max'])).toEqual(false); expect(newForm.hasError('pattern', ['pattern'])).toEqual(false); expect(newForm.valid).toEqual(true); }); it('should use async validators defined in the html', fakeAsync(() => { const fixture = initTest(UniqLoginWrapper, UniqLoginValidator); const form = new FormGroup({'login': new FormControl('')}); tick(); fixture.componentInstance.form = form; fixture.detectChanges(); expect(form.pending).toEqual(true); tick(100); expect(form.hasError('uniqLogin', ['login'])).toEqual(true); const input = fixture.debugElement.query(By.css('input')); input.nativeElement.value = 'expected'; dispatchEvent(input.nativeElement, 'input'); tick(100); expect(form.valid).toEqual(true); })); it('should use sync validators defined in the model', () => { const fixture = initTest(FormGroupComp); const form = new FormGroup({'login': new FormControl('aa', Validators.required)}); fixture.componentInstance.form = form; fixture.detectChanges(); expect(form.valid).toEqual(true); const input = fixture.debugElement.query(By.css('input')); input.nativeElement.value = ''; dispatchEvent(input.nativeElement, 'input'); expect(form.valid).toEqual(false); }); it('should use async validators defined in the model', fakeAsync(() => { const fixture = initTest(FormGroupComp); const control = new FormControl('', Validators.required, uniqLoginAsyncValidator('expected')); const form = new FormGroup({'login': control}); fixture.componentInstance.form = form; fixture.detectChanges(); tick(); expect(form.hasError('required', ['login'])).toEqual(true); const input = fixture.debugElement.query(By.css('input')); input.nativeElement.value = 'wrong value'; dispatchEvent(input.nativeElement, 'input'); expect(form.pending).toEqual(true); tick(); expect(form.hasError('uniqLogin', ['login'])).toEqual(true); input.nativeElement.value = 'expected'; dispatchEvent(input.nativeElement, 'input'); tick(); expect(form.valid).toEqual(true); })); }); describe('errors', () => { it('should throw if a form isn\'t passed into formGroup', () => { const fixture = initTest(FormGroupComp); expect(() => fixture.detectChanges()) .toThrowError(new RegExp(`formGroup expects a FormGroup instance`)); }); it('should throw if formControlName is used without a control container', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: ` ` } }); const fixture = initTest(FormGroupComp); expect(() => fixture.detectChanges()) .toThrowError( new RegExp(`formControlName must be used with a parent formGroup directive`)); }); it('should throw if formControlName is used with NgForm', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
` } }); const fixture = initTest(FormGroupComp); expect(() => fixture.detectChanges()) .toThrowError( new RegExp(`formControlName must be used with a parent formGroup directive.`)); }); it('should throw if formControlName is used with NgModelGroup', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
` } }); const fixture = initTest(FormGroupComp); expect(() => fixture.detectChanges()) .toThrowError( new RegExp(`formControlName cannot be used with an ngModelGroup parent.`)); }); it('should throw if formGroupName is used without a control container', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
` } }); const fixture = initTest(FormGroupComp); expect(() => fixture.detectChanges()) .toThrowError( new RegExp(`formGroupName must be used with a parent formGroup directive`)); }); it('should throw if formGroupName is used with NgForm', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
` } }); const fixture = initTest(FormGroupComp); expect(() => fixture.detectChanges()) .toThrowError( new RegExp(`formGroupName must be used with a parent formGroup directive.`)); }); it('should throw if formArrayName is used without a control container', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
` } }); const fixture = initTest(FormGroupComp); expect(() => fixture.detectChanges()) .toThrowError( new RegExp(`formArrayName must be used with a parent formGroup directive`)); }); it('should throw if ngModel is used alone under formGroup', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
` } }); const fixture = initTest(FormGroupComp); fixture.componentInstance.myGroup = new FormGroup({}); expect(() => fixture.detectChanges()) .toThrowError(new RegExp( `ngModel cannot be used to register form controls with a parent formGroup directive.`)); }); it('should not throw if ngModel is used alone under formGroup with standalone: true', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
` } }); const fixture = initTest(FormGroupComp); fixture.componentInstance.myGroup = new FormGroup({}); expect(() => fixture.detectChanges()).not.toThrowError(); }); it('should throw if ngModel is used alone with formGroupName', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
` } }); const fixture = initTest(FormGroupComp); const myGroup = new FormGroup({person: new FormGroup({})}); fixture.componentInstance.myGroup = new FormGroup({person: new FormGroup({})}); expect(() => fixture.detectChanges()) .toThrowError(new RegExp( `ngModel cannot be used to register form controls with a parent formGroupName or formArrayName directive.`)); }); it('should throw if ngModelGroup is used with formGroup', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
` } }); const fixture = initTest(FormGroupComp); fixture.componentInstance.myGroup = new FormGroup({}); expect(() => fixture.detectChanges()) .toThrowError( new RegExp(`ngModelGroup cannot be used with a parent formGroup directive`)); }); it('should throw if radio button name does not match formControlName attr', () => { TestBed.overrideComponent(FormGroupComp, { set: { template: `
hav
` } }); const fixture = initTest(FormGroupComp); fixture.componentInstance.form = new FormGroup({'food': new FormControl('fish')}); expect(() => fixture.detectChanges()) .toThrowError(new RegExp('If you define both a name and a formControlName')); }); }); }); } @Directive({ selector: '[wrapped-value]', host: {'(input)': 'handleOnInput($event.target.value)', '[value]': 'value'}, providers: [ {provide: NG_VALUE_ACCESSOR, multi: true, useExisting: WrappedValue}, {provide: NG_VALIDATORS, multi: true, useExisting: WrappedValue} ] }) class WrappedValue implements ControlValueAccessor { value: any; onChange: Function; writeValue(value: any) { this.value = `!${value}!`; } registerOnChange(fn: (value: any) => void) { this.onChange = fn; } registerOnTouched(fn: any) {} handleOnInput(value: any) { this.onChange(value.substring(1, value.length - 1)); } validate(c: AbstractControl) { return c.value === 'expected' ? null : {'err': true}; } } @Component({selector: 'my-input', template: ''}) class MyInput implements ControlValueAccessor { @Output('input') onInput = new EventEmitter(); value: string; constructor(cd: NgControl) { cd.valueAccessor = this; } writeValue(value: any) { this.value = `!${value}!`; } registerOnChange(fn: (value: any) => void) { this.onInput.subscribe({next: fn}); } registerOnTouched(fn: any) {} dispatchChangeEvent() { this.onInput.emit(this.value.substring(1, this.value.length - 1)); } } function uniqLoginAsyncValidator(expectedValue: string) { return (c: AbstractControl) => { let resolve: (result: any) => void; const promise = new Promise(res => { resolve = res; }); const res = (c.value == expectedValue) ? null : {'uniqLogin': true}; resolve(res); return promise; }; } function loginIsEmptyGroupValidator(c: FormGroup) { return c.controls['login'].value == '' ? {'loginIsEmpty': true} : null; } @Directive({ selector: '[login-is-empty-validator]', providers: [{provide: NG_VALIDATORS, useValue: loginIsEmptyGroupValidator, multi: true}] }) class LoginIsEmptyValidator { } @Directive({ selector: '[uniq-login-validator]', providers: [{ provide: NG_ASYNC_VALIDATORS, useExisting: forwardRef(() => UniqLoginValidator), multi: true }] }) class UniqLoginValidator implements Validator { @Input('uniq-login-validator') expected: any; validate(c: AbstractControl) { return uniqLoginAsyncValidator(this.expected)(c); } } function sortedClassList(el: HTMLElement) { return getDOM().classList(el).sort(); } @Component({selector: 'form-control-comp', template: ``}) class FormControlComp { control: FormControl; } @Component({ selector: 'form-group-comp', template: `
` }) class FormGroupComp { control: FormControl; form: FormGroup; myGroup: FormGroup; event: Event; } @Component({ selector: 'nested-form-group-comp', template: `
` }) class NestedFormGroupComp { form: FormGroup; } @Component({ selector: 'form-control-number-input', template: `` }) class FormControlNumberInput { control: FormControl; } @Component({ selector: 'form-control-range-input', template: `` }) class FormControlRangeInput { control: FormControl; } @Component({ selector: 'form-control-radio-buttons', template: `
` }) class FormControlRadioButtons { form: FormGroup; showRadio = new FormControl('yes'); } @Component({ selector: 'form-array-comp', template: `
` }) class FormArrayComp { form: FormGroup; cityArray: FormArray; } @Component({ selector: 'form-array-nested-group', template: `
` }) class FormArrayNestedGroup { form: FormGroup; cityArray: FormArray; } @Component({ selector: 'form-control-name-select', template: `
` }) class FormControlNameSelect { cities = ['SF', 'NY']; form = new FormGroup({city: new FormControl('SF')}); } @Component({ selector: 'wrapped-value-form', template: `
` }) class WrappedValueForm { form: FormGroup; } @Component({ selector: 'my-input-form', template: `
` }) class MyInputForm { form: FormGroup; } @Component({ selector: 'form-group-ng-model', template: `
` }) class FormGroupNgModel { form: FormGroup; login: string; } @Component({ selector: 'form-control-ng-model', template: `` }) class FormControlNgModel { control: FormControl; login: string; } @Component({ selector: 'login-is-empty-wrapper', template: `
` }) class LoginIsEmptyWrapper { form: FormGroup; } @Component({ selector: 'validation-bindings-form', template: `
` }) class ValidationBindingsForm { form: FormGroup; required: boolean; minLen: number; maxLen: number; pattern: string; } @Component({ selector: 'form-control-checkbox-validator', template: `` }) class FormControlCheckboxRequiredValidator { control: FormControl; } @Component({ selector: 'uniq-login-wrapper', template: `
` }) class UniqLoginWrapper { form: FormGroup; }