@instructure/quiz-interactions/src/util/__tests__/extractTextFromHtml.test.js

A React UI component Library for quiz interaction types.

import extractTextFromHtml from '../extractTextFromHtml'

describe('extractTextFromHtml', () => {
  it('returns text content of HTML fragment', () => {
    const out = extractTextFromHtml('<h1>Heading</h1><img /><p>Caption</p>')
    expect(out).toBe('HeadingCaption')
  })

  it('decodes symbols correctly', () => {
    const out = extractTextFromHtml('<p>A &amp; B</p>')
    expect(out).toBe('A & B')
  })

  it('does not mangle plain text', () => {
    const out = extractTextFromHtml('Plain ol text content')
    expect(out).toBe('Plain ol text content')
  })

  it('returns empty string when no content is passed', () => {
    expect(extractTextFromHtml('')).toBe('')
    expect(extractTextFromHtml(null)).toBe('')
    expect(extractTextFromHtml(void 0)).toBe('')
  })
})