Stefan Natter natterstefan

How to debug Jest tests with Chrome

Place a debugger; statement in any of your tests, and then, in your project's directory
yarn test-debug
open Chrome and go to chrome://inspect
click on "Open Dedicated DevTools for Node"
click on the address displayed in the terminal (usually something like

The *.html example assumes you have integrated the tracking code as an iframe in the instant articles feed.

<figure class="op-tracker">
    <iframe src="https://www.example.com/fia-google-analytics-tracking.html"></iframe>
</figure>

I hereby claim:

To claim this, I am signing this object:

	// inspired by (Credits):
	// - A: https://davidwalsh.name/promises-results
	// - B: https://nmaggioni.xyz/2016/10/13/Avoiding-Promise-all-fail-fast-behavior/

	// Solution A
	await Promise.all(loadDataRequests.map(p => p.catch(() => undefined)))

	// Solution B
	await Promise.all(
	loadDataRequests.map(p =>

	/* eslint-disable no-underscore-dangle */
	import React from 'react'
	import PropTypes from 'prop-types'
	import get from 'lodash.get'
	import BemHelper from 'react-bem-helper'
	import { apiClient } from '../../../common/api/client'

	// Styling
	const classes = new BemHelper('list')

	/**
	* Components using the react-intl module require access to the intl context.
	* This is not available when mounting single components in Enzyme.
	* These helper functions aim to address that and wrap a valid,
	* English-locale intl context around them.
	*
	* Docs
	* - https://github.com/yahoo/react-intl/wiki/Testing-with-React-Intl#enzyme
	* - https://github.com/yahoo/react-intl/wiki/Testing-with-React-Intl#snapshot-testing
	*

	// Open form and submit enquire for `rego`
	function getInfo(rego) {
	horseman
	.userAgent('Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0')
	.open(url)
	.type('#registration-number-ctrl input[type=text]', rego)
	.click('.btn-holder input')
	.waitForSelector('.ctrl-holder.ctrl-readonly')
	.html()
	.then(function(body) {

	// Use Gists to store code you would like to remember later on
	console.log(window); // log the "window" object to the console