tc19-as-attribute-not-implement-in-Link-tag

Test Case: JSDOM, 'as' attribute is not implemented in Link tag

Test Case Code

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

// check file
app.component.spec.ts

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 issue-22
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 10.14.2)	success
Safari 11.1.0 (Mac OS X 10.14.2)	success
Firefox 65.0.0 (Mac OS X 10.14.2)	success

Test Result on Jest

What we get

 FAIL  src/app/app.component.spec.ts
  AppComponent
    ✕ should create the app (91ms)

  ● AppComponent › should create the app

    AssertionError: expected false to equal true

      22 |     link.as = 'script';
      23 |     expect(link.hasAttribute('rel')).to.equal(true);
    > 24 |     expect(link.hasAttribute('as')).to.equal(true);
         |                                        ^
      25 |   });
      26 | });
      27 | 

      at src/app/app.component.spec.ts:24:40

Test Suites: 1 failed, 1 total
Tests:       1 failed, 1 total
Snapshots:   0 total
Time:        2.562s

Expected

expect(link.hasAttribute('as')).to.equal(true);

Description

Link tag in JSDOM is not implemented appropriately, as attribute is ignored

issue: jsdom/jsdom#2471