clr-angular-static-fix/forms/checkbox/checkbox.spec.ts

1. Install Clarity Icons package through npm:

/*
 * Copyright (c) 2016-2018 VMware, Inc. All Rights Reserved.
 * This software is released under MIT license.
 * The full license information can be found in LICENSE in the root directory of this project.
 */
import { Component } from '@angular/core';
import { TestBed } from '@angular/core/testing';
import { By } from '@angular/platform-browser';
import { ControlIdService } from '../common/providers/control-id.service';
import { WrappedFormControl } from '../common/wrapped-control';
import { ClrCheckboxNext } from './checkbox';
import { ClrCheckboxContainer } from './checkbox-container';

@Component({
  template: `
       <input type="checkbox" clrCheckbox />
    `,
})
class SimpleTest {}

export default function(): void {
  describe('Checkbox directive', () => {
    it('correctly extends WrappedFormControl<ClrCheckboxContainer>', function() {
      spyOn(WrappedFormControl.prototype, 'ngOnInit');
      TestBed.configureTestingModule({ declarations: [ClrCheckboxNext, SimpleTest], providers: [ControlIdService] });
      this.fixture = TestBed.createComponent(SimpleTest);
      this.fixture.detectChanges();
      expect(
        this.fixture.debugElement.query(By.directive(ClrCheckboxNext)).injector.get(ClrCheckboxNext).wrapperType
      ).toBe(ClrCheckboxContainer);
      expect(WrappedFormControl.prototype.ngOnInit).toHaveBeenCalledTimes(1);
    });
  });
}