@carbon/ibm-cloud-cognitive-cdai/es/component_helpers/Clipboard.spec.js

Carbon for Cloud & Cognitive CD&AI UI components

import _typeof from "@babel/runtime/helpers/typeof";
//
// Copyright IBM Corp. 2020, 2020
//
// This source code is licensed under the Apache-2.0 license found in the
// LICENSE file in the root directory of this source tree.
//

jest.unmock('./Clipboard.js');
import { copyToClipboard, copyContentToClipboard } from './Clipboard.js';
import sinon from 'sinon';
describe('Clipboard tests', function () {
  var sandbox = sinon.createSandbox();
  beforeEach(function () {
    sandbox.restore();
  });
  var testEvent = {
    currentTarget: {
      parentNode: document.body
    }
  };
  it('content is copied to clipboard', function () {
    var content = 'this is a test value';
    var elementContent = null;
    document.execCommand = sinon.stub().callsFake(function () {
      elementContent = document.body.textContent;
    });
    copyToClipboard(testEvent, content);
    expect(document.execCommand.calledOnce).toBe(true);
    expect(elementContent).toEqual(content);
  });
  it('copyContentToClipboard() returns a function which copies the provided content to the clipboard', function () {
    // setup - define some content and stub out the execCommand function
    var content = 'some test content';
    var elementContent = null;
    document.execCommand = sinon.stub().callsFake(function () {
      elementContent = document.body.textContent;
    });
    var copyToClipboardFunc = copyContentToClipboard(content);
    // confirm we get a function back
    expect(_typeof(copyToClipboardFunc)).toBe('function');
    // invoke the function and confirm it calls the stubbed function with the correct content
    copyToClipboardFunc(testEvent);
    expect(document.execCommand.calledOnce).toBe(true);
    expect(elementContent).toEqual(content);
  });
});