electron/spec-main/api-web-frame-spec.ts

import { expect } from 'chai'
import * as path from 'path'
import { BrowserWindow, ipcMain } from 'electron'
import { closeAllWindows } from './window-helpers'

describe('webFrame module', () => {
  const fixtures = path.resolve(__dirname, '..', 'spec', 'fixtures')

  afterEach(closeAllWindows)

  it('calls a spellcheck provider', async () => {
    const w = new BrowserWindow({
      show: false,
      webPreferences: {
        nodeIntegration: true
      }
    })
    await w.loadFile(path.join(fixtures, 'pages', 'webframe-spell-check.html'))
    w.focus()
    await w.webContents.executeJavaScript('document.querySelector("input").focus()', true)

    const spellCheckerFeedback =
      new Promise<[string[], boolean]>(resolve => {
        ipcMain.on('spec-spell-check', (e, words, callbackDefined) => {
          if (words.length === 5) {
            // The API calls the provider after every completed word.
            // The promise is resolved only after this event is received with all words.
            resolve([words, callbackDefined])
          }
        })
      })
    const inputText = 'spleling test you\'re '
    for (const keyCode of inputText) {
      w.webContents.sendInputEvent({ type: 'char', keyCode })
    }
    const [words, callbackDefined] = await spellCheckerFeedback
    expect(words.sort()).to.deep.equal(['spleling', 'test', 'you\'re', 'you', 're'].sort())
    expect(callbackDefined).to.be.true()
  })
})