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tc15-PointerEvent-not-available

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Test Case: PointerEvent is not available in JSDOM

Test Case Code

https://drive.google.com/open?id=1IayEFjUReATiuJI8CD6hBQRPGR7iIrFZ

Topcoder handle

liqiang372

Your document content (required)

How to run test

Prerequisites

  1. Node 8+
  2. NPM or yarn
  3. Git
  4. Safari, Chrome, Firefox

Run Test on Karma

cd topcoder-jest-test
git checkout pointer-event
npm install
npm run test

Run Test on Jest

npm run test:jest

Browser have tested

Chrome, Safari, Firefox

Test Result on Karma

Browser Result
Chrome 72.0.3626 (Mac OS X 10.13.4) success
Safari 11.1.0 (Mac OS X 10.13.4) fail
Firefox 65.0.0 (Mac OS X 10.13.0) success

Test Result on Jest

What we get

FAIL src/app/app.component.spec.ts AppComponent ✕ should create the app (69ms)

● AppComponent › should create the app

AssertionError: expected undefined to be an instance of Function

  22 | 
  23 |   it('should create the app', () => {
> 24 |     expect(window.PointerEvent).to.be.instanceOf(Function);
     |                                       ^
  25 |   });
  26 | });
  27 | 

  at src/app/app.component.spec.ts:24:39

Test Suites: 1 failed, 1 total Tests: 1 failed, 1 total Snapshots: 0 total Time: 2.266s

Expected

Expecting window.PointerEvent to be defined as a function

Description

PointerEvent is defined in both Chrome and FireFox, but not defined in Safari and JSDOM

jsdom/jsdom#2527