如何在Angular单元测试中创建一个假的NgForm对象？

import { ComponentFixture, TestBed } from '@angular/core/testing';
import { FormsModule, NgForm } from '@angular/forms';

beforeEach(async () => {
  await TestBed.configureTestingModule({
    imports: [FormsModule],
    declarations: [YourComponent],
  }).compileComponents();
});

it('should create a fake NgForm object', () => {
  const fakeNgForm = {
    value: {},
    valid: true,
    invalid: false,
    pending: false,
    touched: true,
    untouched: false,
    disabled: false,
    enabled: true,
    errors: {},
    controls: {},
    reset: jasmine.createSpy('reset').and.callFake(() => {}),
    resetForm: jasmine.createSpy('resetForm').and.callFake(() => {}),
    submit: jasmine.createSpy('submit').and.callFake(() => {}),
  };

  // 在测试用例中使用fakeNgForm对象
});