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tc25-Text.textContent-not-inherit-from-Node.textContent

README.md

Test Case: [BUG] - Text.textContent doesn't inherit from Node.textContent in JSDOM

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-29
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 (85ms)

  ● AppComponent › should create the app

    AssertionError: expected 'hello,undefined' to equal 'hello, world'

      24 | 
      25 |     parent.append(elem.textContent, text.textContent);
    > 26 |     expect(parent.textContent).to.equal('hello, world');
         |                                   ^
      27 |   });
      28 | });
      29 | 

      at src/app/app.component.spec.ts:26:35

Test Suites: 1 failed, 1 total
Tests:       1 failed, 1 total
Snapshots:   0 total
Time:        2.332s

Expected

Expect Text.textContent can set the value correctly

Description

It's JSDOM's inappropriate implementation of Text

issue: jsdom/jsdom#2144