nwb/templates/preact-app/tests/App.test.js

A toolkit for React, Preact & Inferno apps, React libraries and other npm modules for the web, with no configuration (until you need it)

import expect from 'expect'
import {h, render} from 'preact'

import App from 'src/App'

describe('App component', () => {
  let node

  beforeEach(() => {
    node = document.createElement('div')
  })

  afterEach(() => {
    render(null, node)
  })

  it('displays a welcome message', () => {
    render(<App/>, node)
    expect(node.textContent).toContain('Welcome to')
  })
})