clr-angular-static-fix/data/datagrid/built-in/nested-property.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 { NestedProperty } from './nested-property';

export default function(): void {
  describe('NestedProperty (internal)', function() {
    it('accesses root properties', function() {
      this.property = new NestedProperty('a');
      expect(this.property.getPropValue({ a: 42 })).toBe(42);
    });

    it('accesses deep properties', function() {
      this.property = new NestedProperty('my.deep.prop');
      expect(this.property.getPropValue({ my: { deep: { prop: 42 } } })).toBe(42);
    });

    it('returns gracefully undefined when any of the intermediate properties is missing', function() {
      this.property = new NestedProperty('my.deep.prop');
      expect(this.property.getPropValue({})).toBeUndefined();
      expect(this.property.getPropValue({ my: {} })).toBeUndefined();
      expect(this.property.getPropValue({ my: { deep: {} } })).toBeUndefined();
    });
  });
}