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How to use registerOnValidatorChange method in ng-mocks

Best JavaScript code snippet using ng-mocks

validators.d.ts

Source:validators.d.ts

...57    private _required;58    private _onChange;59    required: boolean | string;60    validate(c: AbstractControl): ValidationErrors | null;61    registerOnValidatorChange(fn: () => void): void;62}63/**64 * A Directive that adds the `required` validator to checkbox controls marked with the65 * `required` attribute, via the {@link NG_VALIDATORS} binding.66 *67 * ### Example68 *69 * ```70 * <input type="checkbox" name="active" ngModel required>71 * ```72 *73 * @experimental74 */75export declare class CheckboxRequiredValidator extends RequiredValidator {76    validate(c: AbstractControl): ValidationErrors | null;77}78/**79 * Provider which adds {@link EmailValidator} to {@link NG_VALIDATORS}.80 */81export declare const EMAIL_VALIDATOR: any;82/**83 * A Directive that adds the `email` validator to controls marked with the84 * `email` attribute, via the {@link NG_VALIDATORS} binding.85 *86 * ### Example87 *88 * ```89 * <input type="email" name="email" ngModel email>90 * <input type="email" name="email" ngModel email="true">91 * <input type="email" name="email" ngModel [email]="true">92 * ```93 *94 * @experimental95 */96export declare class EmailValidator implements Validator {97    private _enabled;98    private _onChange;99    email: boolean | string;100    validate(c: AbstractControl): ValidationErrors | null;101    registerOnValidatorChange(fn: () => void): void;102}103/**104 * @stable105 */106export interface ValidatorFn {107    (c: AbstractControl): ValidationErrors | null;108}109/**110 * @stable111 */112export interface AsyncValidatorFn {113    (c: AbstractControl): Promise<ValidationErrors | null> | Observable<ValidationErrors | null>;114}115/**116 * Provider which adds {@link MinLengthValidator} to {@link NG_VALIDATORS}.117 *118 * ## Example:119 *120 * {@example common/forms/ts/validators/validators.ts region='min'}121 */122export declare const MIN_LENGTH_VALIDATOR: any;123/**124 * A directive which installs the {@link MinLengthValidator} for any `formControlName`,125 * `formControl`, or control with `ngModel` that also has a `minlength` attribute.126 *127 * @stable128 */129export declare class MinLengthValidator implements Validator, OnChanges {130    private _validator;131    private _onChange;132    minlength: string;133    ngOnChanges(changes: SimpleChanges): void;134    validate(c: AbstractControl): ValidationErrors | null;135    registerOnValidatorChange(fn: () => void): void;136    private _createValidator();137}138/**139 * Provider which adds {@link MaxLengthValidator} to {@link NG_VALIDATORS}.140 *141 * ## Example:142 *143 * {@example common/forms/ts/validators/validators.ts region='max'}144 */145export declare const MAX_LENGTH_VALIDATOR: any;146/**147 * A directive which installs the {@link MaxLengthValidator} for any `formControlName,148 * `formControl`,149 * or control with `ngModel` that also has a `maxlength` attribute.150 *151 * @stable152 */153export declare class MaxLengthValidator implements Validator, OnChanges {154    private _validator;155    private _onChange;156    maxlength: string;157    ngOnChanges(changes: SimpleChanges): void;158    validate(c: AbstractControl): ValidationErrors | null;159    registerOnValidatorChange(fn: () => void): void;160    private _createValidator();161}162export declare const PATTERN_VALIDATOR: any;163/**164 * A Directive that adds the `pattern` validator to any controls marked with the165 * `pattern` attribute, via the {@link NG_VALIDATORS} binding. Uses attribute value166 * as the regex to validate Control value against.  Follows pattern attribute167 * semantics; i.e. regex must match entire Control value.168 *169 * ### Example170 *171 * ```172 * <input [name]="fullName" pattern="[a-zA-Z ]*" ngModel>173 * ```174 * @stable175 */176export declare class PatternValidator implements Validator, OnChanges {177    private _validator;178    private _onChange;179    pattern: string | RegExp;180    ngOnChanges(changes: SimpleChanges): void;181    validate(c: AbstractControl): ValidationErrors | null;182    registerOnValidatorChange(fn: () => void): void;183    private _createValidator();...

Using AI Code Generation

1import {Component} from '@angular/core';2import {async, ComponentFixture, TestBed} from '@angular/core/testing';3import {FormControl, FormGroup, FormsModule, ReactiveFormsModule, Validators} from '@angular/forms';4import {By} from '@angular/platform-browser';5import {MockBuilder, MockRender, ngMocks} from 'ng-mocks';6@Component({7})8export class TestComponent {9  testForm = new FormGroup({10    testField: new FormControl('', Validators.required)11  });12}13describe('TestComponent', () => {14  let component: TestComponent;15  let fixture: ComponentFixture<TestComponent>;16  beforeEach(async(() => {17    MockBuilder(TestComponent)18      .keep(FormsModule)19      .keep(ReactiveFormsModule);20  }));21  beforeEach(() => {22    fixture = MockRender(TestComponent);23    component = fixture.componentInstance;24    fixture.detectChanges();25  });26  it('should create', () => {27    expect(component).toBeTruthy();28  });29  it('should validate', () => {30    const input = fixture.debugElement.query(By.css('input'));31    const spy = jasmine.createSpy('spy');32    ngMocks.registerOnValidatorChange(spy, input);33    fixture.detectChanges();34    expect(spy).toHaveBeenCalledTimes(1);35  });36});

Using AI Code Generation

1import { registerOnValidatorChange } from 'ng-mocks';2@Component({3    {4    },5})6export class TestComponent implements Validator {7  form = new FormGroup({8    username: new FormControl(''),9  });10  validate() {11    return { username: true };12  }13  registerOnValidatorChange(fn: () => void) {14    registerOnValidatorChange(this.form, fn);15  }16}17import { ComponentFixture, TestBed } from '@angular/core/testing';18import { TestComponent } from './test';19describe('TestComponent', () => {20  let component: TestComponent;21  let fixture: ComponentFixture<TestComponent>;22  beforeEach(async () => {23    await TestBed.configureTestingModule({24    }).compileComponents();25  });26  beforeEach(() => {27    fixture = TestBed.createComponent(TestComponent);28    component = fixture.componentInstance;29    fixture.detectChanges();30  });31  it('should call registerOnValidatorChange', () => {32    const spy = spyOn(component, 'registerOnValidatorChange');33    fixture.detectChanges();34    expect(spy).toHaveBeenCalled();35  });36});

Using AI Code Generation

1import { registerOnValidatorChange } from 'ng-mocks';2import { FormControl } from '@angular/forms';3describe('test', () => {4    it('test', () => {5        const formControl = new FormControl();6        registerOnValidatorChange(formControl, () => {7            console.log('called');8        });9        formControl.setValue('test');10        formControl.setValue('test');11    });12});

Using AI Code Generation

1import { registerOnValidatorChange } from 'ng-mocks';2@Component({3  template: `<input type="text" name="test" [(ngModel)]="value" #test="ngModel" required />`4})5export class TestComponent {6  value: string;7  constructor() {8    registerOnValidatorChange(test, () => {9      console.log('validator changed');10    });11  }12}13import { TestComponent } from './test.component';14import { MockBuilder, MockRender } from 'ng-mocks';15describe('TestComponent', () => {16  beforeEach(() => MockBuilder(TestComponent));17  it('should work', () => {18    const fixture = MockRender(TestComponent);19    expect(fixture.point.componentInstance.value).toBeUndefined();20  });21});22import { TestComponent } from './test.component';23import { MockBuilder, MockRender } from 'ng-mocks';24describe('TestComponent', () => {25  beforeEach(() => MockBuilder(TestComponent));26  it('should work', () => {27    const fixture = MockRender(TestComponent);28    expect(fixture.point.componentInstance.value).toBeUndefined();29  });30});31import { TestComponent } from './test.component';32import { MockBuilder, MockRender } from 'ng-mocks';33describe('TestComponent', () => {34  beforeEach(() => MockBuilder(TestComponent));35  it('should work', () => {36    const fixture = MockRender(TestComponent);37    expect(fixture.point.componentInstance.value).toBeUndefined();38  });39});40import { TestComponent } from './test.component';41import { MockBuilder, MockRender } from 'ng-mocks';42describe('TestComponent', () => {43  beforeEach(() => MockBuilder(TestComponent));44  it('should work', () => {45    const fixture = MockRender(TestComponent);46    expect(fixture.point.componentInstance.value).toBeUndefined();47  });48});49import { TestComponent } from './test.component';50import { MockBuilder, MockRender } from 'ng-mocks';51describe('TestComponent', () => {52  beforeEach(() => MockBuilder(TestComponent));53  it('should work', () => {54    const fixture = MockRender(TestComponent);55    expect(fixture.point.componentInstance.value).toBeUndefined();56  });57});58import { TestComponent } from './test.component

Using AI Code Generation

1import {registerOnValidatorChange} from 'ng-mocks';2import {MyComponent} from './my.component';3describe('MyComponent', () => {4  let fixture: ComponentFixture<MyComponent>;5  let component: MyComponent;6  beforeEach(() => {7    fixture = TestBed.configureTestingModule({8      imports: [9    }).createComponent(MyComponent);10    component = fixture.componentInstance;11  });12  it('should call onValidatorChange when form control value changes', () => {13    const onValidatorChangeSpy = jasmine.createSpy('onValidatorChangeSpy');14    registerOnValidatorChange(component, onValidatorChangeSpy);15    component.myControl.setValue('test');16    expect(onValidatorChangeSpy).toHaveBeenCalled();17  });18});

Using AI Code Generation

1import { registerOnValidatorChange } from 'ng-mocks';2@Component({3      [(ngModel)]="testValue"4})5export class TestComponent implements OnInit {6  testValue: string;7  constructor(private fb: FormBuilder) {}8  ngOnInit(): void {9    registerOnValidatorChange(this.fb.control({}), (control) => {10      console.log('validator called', control);11    });12  }13}14import { registerOnValidatorChange } from 'ng-mocks';15import { TestComponent } from './test.component';16describe('TestComponent', () => {17  let component: TestComponent;18  let fixture: ComponentFixture<TestComponent>;19  beforeEach(async () => {20    await TestBed.configureTestingModule({21      imports: [ReactiveFormsModule],22    }).compileComponents();23  });24  beforeEach(() => {25    fixture = TestBed.createComponent(TestComponent);26    component = fixture.componentInstance;27    fixture.detectChanges();28  });29  it('should create', () => {30    expect(component).toBeTruthy();31  });32  it('should call validator', () => {33    registerOnValidatorChange(component.fb.control({}), (control) => {34      console.log('validator called', control);35    });36  });37});38validator called FormControl {  onPush: true, validator: null, asyncValidator: null, _onCollectionChange: null, _parent: null, _asyncValidationSubscription: null, _pendingValue: null, _pendingChange: false, _pendingDirty: false, _pendingTouched: false, _pendingDisabled: false, _pendingStatus: null, _pendingStatusChanges: null, _updateOn: "change", _valueChanges: null, _statusChanges: null, _status: "INVALID", _errors: {…}, _pristine: true, _touched: false, _value: null, … }39validator called FormControl {  onPush: true, validator: null, asyncValidator: null, _onCollectionChange: null, _parent: null, _asyncValidationSubscription: null, _pendingValue: null, _pendingChange: false, _pendingDirty: false, _pendingTouched:

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