Protractor config with BrowserStackLocal via Proxy

protractor.common.conf.js

const path = require('path');

exports.props = {
    capabilities: {
        browserName: 'chrome',
        chromeOptions: {
            args: ["show-fps-counter=true"]
        }
    },

    // Options to be passed to Jasmine-node.
    jasmineNodeOpts: {
        showColors: true // Use colors in the command line report.
    },

    // Spec patterns are relative to the location of the spec file. They may
    // include glob patterns.
    suites: {
        search: ["target/*.js"]
    },

    onPrepare: () => {
        browser.waitForAngularEnabled(false);
    }
};

protractor.conf.js

const browserstack = require('browserstack-local');
const path = require('path');
const process = require('process');
const commonConfig = require('./protractor.common.conf.js');
const _ = require('underscore');

/************************************************/
/* User setup                                   */
/************************************************/

const PROXY_HOST = '10.10.100.10';
const PROXY_PORT = '8080';

// Note: These can be passed via IntelliJ Run configuration for Gulp
const PROXY_USER = process.env.PROXY_USER || undefined;
const PROXY_PASS = process.env.PROXY_PASS || undefined;

const BROWSERSTACK_USER = process.env.BROWSERSTACK_USER || undefined;
const BROWSERSTACK_KEY  = process.env.BROWSERSTACK_KEY || undefined;

if (_.isUndefined(PROXY_USER)
    || _.isUndefined(PROXY_PASS)
    || _.isUndefined(BROWSERSTACK_KEY)
    || _.isUndefined(BROWSERSTACK_USER)) {
    const msg = `\nPlease specify PROXY and BROWSERSTACK credentials in protractor.browserstack.conf.js \n`;
    console.error(msg);
    throw msg;
}

/************************************************/
/* BrowserStack/Protractor config               */
/************************************************/

let browserstackConfig = {
    seleniumAddress: 'http://hub-cloud.browserstack.com/wd/hub',
    webDriverProxy: `${PROXY_USER}:${PROXY_PASS}@${PROXY_HOST}:${PROXY_PORT}`,

    capabilities: {
        'browserstack.user' : BROWSERSTACK_USER,
        'browserstack.key'  : BROWSERSTACK_KEY,
        'browserstack.local': true,
         browserName: 'chrome'
    },

    // Start BrowserStack local process before start of test
    // This launches the .exe downloaded from Nexus using the 'browserstack-local' npm pkg
    // Since the build machine can't access the www, we put the BrowserStackLocal.exe in Nexus 
    // and download in as a part of the build
    beforeLaunch: function () {
        console.log("Connecting local");
        return new Promise(function (resolve, reject) {
            exports.bs_local = new browserstack.Local();
            exports.bs_local.start({
                    'key'        : BROWSERSTACK_KEY,
                    'proxyHost'  : PROXY_HOST,
                    'proxyPort'  : PROXY_PORT,
                    'proxyUser'  : PROXY_USER,
                    'proxyPass'  : PROXY_PASS,
                    'logFile'    : 'target/BrowserStackLocal.log',
                    'forceLocal' : true,
                    'binarypath' : path.join(process.cwd(), 'target/binaries/BrowserStackLocal.exe')
                },
                error => {
                    if (error) return reject(error);
                    console.log('Connected. Now testing...');
                    resolve();
                });
        });
    },

    // Stop BrowserStack local after end of test
    afterLaunch: function () {
        return new Promise(function (resolve, reject) {
            exports.bs_local.stop(resolve);
        });
    }
};


const finalConfig = _.extend(commonConfig.props, browserstackConfig);
console.log(`\n*** Protractor config ***\n`);
console.log(finalConfig);
exports.config = finalConfig;