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How to use __simulateValidatorChange method in ng-mocks

Best JavaScript code snippet using ng-mocks

test.spec.ts

...199                targetAsync: true,200              }),201            ),202      );203      directiveAsync.__simulateValidatorChange();204    }205    await fixture.whenStable();206    expect(control.errors).toEqual({207      targetAsync: true,208    });209    // checking sync errors, they block async validators.210    if (isMockValidator(directive)) {211      ngMocks.stubMember(212        directive,213        'validate',214        typeof jest === 'undefined'215          ? jasmine.createSpy().and.returnValue({216              test: true,217            })218          : jest.fn().mockReturnValue({219              test: true,220            }),221      );222      directive.__simulateValidatorChange();223    }224    expect(control.errors).toEqual({225      test: true,226    });227  });...

mock-control-value-accessor.ts

Source:mock-control-value-accessor.ts

...28  /**29   * @deprecated use isMockValidator instead (removing in A13)30   * @see https://ng-mocks.sudo.eu/api/helpers/isMockValidator31   */32  public __simulateValidatorChange() {33    // nothing to do.34  }35}36/**37 * MockControlValueAccessor exposes access to a mock ControlValueAccessor.38 * It should be used in a combination with isMockControlValueAccessor.39 *40 * @see https://ng-mocks.sudo.eu/api/helpers/isMockControlValueAccessor41 */42export interface MockControlValueAccessor {43  /**44   * It simulates an external change of the value.45   * Please consider usage of ngMocks.change().46   *47   * @see https://ng-mocks.sudo.eu/extra/mock-form-controls48   * @see https://ng-mocks.sudo.eu/api/ngMocks/change49   */50  __simulateChange(value: any): void;51  /**52   * It simulates an external touch.53   * Please consider usage of ngMocks.touch().54   *55   * @see https://ng-mocks.sudo.eu/extra/mock-form-controls56   * @see https://ng-mocks.sudo.eu/api/ngMocks/touch57   */58  __simulateTouch(): void;59}60/**61 * MockValidator exposes access to a mock Validator.62 * It should be used in a combination with isMockValidator.63 *64 * @see https://ng-mocks.sudo.eu/api/helpers/isMockValidator65 */66export interface MockValidator {67  /**68   * it simulates an external validation change.69   *70   * @see https://ng-mocks.sudo.eu/extra/mock-form-controls71   */72  __simulateValidatorChange(): void;...

mock-control-value-accessor-proxy.ts

Source: mock-control-value-accessor-proxy.ts

1import { AsyncValidator, ControlValueAccessor, ValidationErrors, Validator } from '@angular/forms';2import { AnyType } from './core.types';3import { MockControlValueAccessor, MockValidator } from './mock-control-value-accessor';4const applyProxy = (proxy: any, method: string, value: any, storage?: string) => {5  if (proxy.instance && storage) {6    proxy.instance[storage] = value;7  }8  if (proxy.instance && proxy.instance[method]) {9    return proxy.instance[method](value);10  }11};12export class MockControlValueAccessorProxy implements ControlValueAccessor {13  public instance?: Partial<MockControlValueAccessor & ControlValueAccessor>;14  public constructor(public readonly target?: AnyType<any>) {}15  public registerOnChange(fn: any): void {16    applyProxy(this, 'registerOnChange', fn, '__simulateChange');17  }18  public registerOnTouched(fn: any): void {19    applyProxy(this, 'registerOnTouched', fn, '__simulateTouch');20  }21  public setDisabledState(isDisabled: boolean): void {22    applyProxy(this, 'setDisabledState', isDisabled);23  }24  public writeValue(value: any): void {25    applyProxy(this, 'writeValue', value);26  }27}28export class MockValidatorProxy implements Validator {29  public instance?: Partial<MockValidator & Validator>;30  public constructor(public readonly target?: AnyType<any>) {}31  public registerOnValidatorChange(fn: any): void {32    applyProxy(this, 'registerOnValidatorChange', fn, '__simulateValidatorChange');33  }34  public validate(control: any): ValidationErrors | null {35    if (this.instance && this.instance.validate) {36      return this.instance.validate(control);37    }38    return null;39  }40}41export class MockAsyncValidatorProxy implements AsyncValidator {42  public instance?: Partial<MockValidator & AsyncValidator>;43  public constructor(public readonly target?: AnyType<any>) {}44  public registerOnValidatorChange(fn: any): void {45    applyProxy(this, 'registerOnValidatorChange', fn, '__simulateValidatorChange');46  }47  public validate(control: any): any {48    if (this.instance && this.instance.validate) {49      const result: any = this.instance.validate(control);50      return result === undefined ? Promise.resolve(null) : result;51    }52    return Promise.resolve(null);53  }...

Using AI Code Generation

1import { __simulateValidatorChange } from 'ng-mocks';2import { FormControl } from '@angular/forms';3describe('test', () => {4  it('test', () => {5    const control = new FormControl();6    __simulateValidatorChange(control);7  });8});9import { __simulateValidatorChange } from 'ng-mocks';10import { FormControl } from '@angular/forms';11describe('test', () => {12  it('test', () => {13    const control = new FormControl();14    __simulateValidatorChange(control);15  });16});

Using AI Code Generation

1import { __simulateValidatorChange } from 'ng-mocks';2import { Component, ViewChild } from '@angular/core';3import { TestBed } from '@angular/core/testing';4import { ReactiveFormsModule, FormControl, Validators } from '@angular/forms';5import { MatFormFieldModule } from '@angular/material/form-field';6import { MatInputModule } from '@angular/material/input';7import { By } from '@angular/platform-browser';8@Component({9})10class TestComponent {11  @ViewChild('auto') auto: any;12  control = new FormControl('', Validators.required);13}14describe('TestComponent', () => {15  let component: TestComponent;16  let fixture: any;17  beforeEach(async () => {18    await TestBed.configureTestingModule({19      imports: [20    }).compileComponents();21  });22  beforeEach(() => {23    fixture = TestBed.createComponent(TestComponent);24    component = fixture.componentInstance;25    fixture.detectChanges();26  });27  it('should create', () => {28    expect(component).toBeTruthy();29  });30  it('should show error message', () => {31    const input = fixture.debugElement.query(By.css('input'));32    input.nativeElement.value = '';33    input.nativeElement.dispatchEvent(new Event('input'));34    fixture.detectChanges();35    expect(component.control.valid).toBeFalsy();36    __simulateValidatorChange(component.control);37    fixture.detectChanges();38    expect(39      fixture.debugElement.query(By.css('.mat-error')).nativeElement.textContent40    ).toEqual('Required');41  });42});

Using AI Code Generation

1import { __simulateValidatorChange } from 'ng-mocks';2import { __simulateValidatorChange } from 'ng-mocks';3describe('AppComponent', () => {4  beforeEach(async(() => {5    TestBed.configureTestingModule({6      imports: [7    }).compileComponents();8  }));9  it('should create the app', () => {10    const fixture = TestBed.createComponent(AppComponent);11    const app = fixture.debugElement.componentInstance;12    expect(app).toBeTruthy();13  });14  it('should call the onSubmit method', () => {15    const fixture = TestBed.createComponent(AppComponent);16    const app = fixture.debugElement.componentInstance;17    spyOn(app, 'onSubmit');18    app.onSubmit();19    expect(app.onSubmit).toHaveBeenCalled();20  });21  it('should call the validate method', () => {22    const fixture = TestBed.createComponent(AppComponent);23    const app = fixture.debugElement.componentInstance;24    spyOn(app, 'validate');25    app.validate();26    expect(app.validate).toHaveBeenCalled();27  });28  it('should call the validate method', () => {29    const fixture = TestBed.createComponent(AppComponent);30    const app = fixture.debugElement.componentInstance;31    spyOn(app, 'onSubmit');32    app.onSubmit();33    expect(app.onSubmit).toHaveBeenCalled();34  });35  it('should call the validate method', () => {36    const fixture = TestBed.createComponent(AppComponent);37    const app = fixture.debugElement.componentInstance;38    spyOn(app, 'validate');39    app.validate();40    expect(app.validate).toHaveBeenCalled();41  });42  it('should call the validate method', () => {43    const fixture = TestBed.createComponent(AppComponent);44    const app = fixture.debugElement.componentInstance;45    spyOn(app, 'validate');46    app.validate();47    expect(app.validate).toHaveBeenCalled();48  });49  it('should call the validate method', () => {50    const fixture = TestBed.createComponent(AppComponent);51    const app = fixture.debugElement.componentInstance;52    spyOn(app, 'validate');53    app.validate();54    expect(app.validate).toHaveBeenCalled();55  });56  it('should call the validate method', () => {57    const fixture = TestBed.createComponent(AppComponent);58    const app = fixture.debugElement.componentInstance;59    spyOn(app, 'validate');60    app.validate();61    expect(app.validate).toHaveBeenCalled();62  });63  it('should call the validate method', () => {64    const fixture = TestBed.createComponent(AppComponent);

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