@o3world/backstopjs/engine_scripts/puppet/loadCookies.js

A commandline utility and node server to assist in creating drupal backstop tests

var fs = require('fs');

module.exports = async (page, scenario) => {
  var cookies = [];
  var cookiePath = scenario.cookiePath;

  // READ COOKIES FROM FILE IF EXISTS
  if (fs.existsSync(cookiePath)) {
    cookies = JSON.parse(fs.readFileSync(cookiePath));
  }

  // MUNGE COOKIE DOMAIN
  cookies = cookies.map(cookie => {
    cookie.url = 'https://' + cookie.domain;
    delete cookie.domain;
    return cookie;
  });

  // SET COOKIES
  const setCookies = async () => {
    return Promise.all(
      cookies.map(async (cookie) => {
        await page.setCookie(cookie);
      })
    );
  };
  await setCookies();
  console.log('Cookie state restored with:', JSON.stringify(cookies, null, 2));
};