actions/eval-in-tab/index.test.js

import test from 'ava'
import {withChrome, withDirectory, writeFile} from '../../test/helpers/index.js'
import {openTab, evalInTab} from '../../index.js'

withChrome(test)
withDirectory(test)

test('executing code within the browser', async (t) => {
  const {browser} = global
  const {directory} = t.context

  const filePath = await writeFile(
    directory,
    'index.html',
    `
    <!doctype html>
    <meta charset="utf-8">
    <div id="root">Hello World!</div>
    `,
  )
  const tab = await openTab(browser, `file://${filePath}`)

  const text = await evalInTab(
    tab,
    ['#root'],
    `
    const [selector] = arguments
    return document.querySelector(selector).textContent
    `,
  )
  t.is(text, 'Hello World!')
})

test('propagating error messages', async (t) => {
  const {browser} = global
  const {directory} = t.context

  const filePath = await writeFile(
    directory,
    'index.html',
    `
    <!doctype html>
    <meta charset="utf-8">
    <div id="root">Hello World!</div>
    `,
  )
  const tab = await openTab(browser, `file://${filePath}`)

  await t.throwsAsync(evalInTab(tab, [], 'throw new Error("Error Message")'), {
    message: /Error Message/,
  })
})