A Protractor setup with some nice goodies (start maximized, watch console errors, take screenshots)

protractor.config.js

'use strict';

// Imagine there's a page helper that provides access to actual page elements in a unified place
var loginPage = require('./Helpers/Login.helper.js');
var fs = require('fs');

exports.config = {
    specs: ['**/*.spec.js'],
    capabilities: {
        browserName: 'chrome',
        chromeOptions: {
            args: [
                '--start-maximized',
                '--no-sandbox'
            ]
        }
    },
    allScriptsTimeout: 30000,
    getPageTimeout: 30000,
    jasmineNodeOpts: {
        defaultTimeoutInterval: 30000
    },
    directConnect: true,
    params: {
        environment: 'local',
        liveUrl: '',
        client: ''
    },
    onPrepare: function () {
        setupReporters();

        var baseUrl = getBaseUrl(browser.params.environment, browser.params.client);

        browser.get(baseUrl);

        var page = new loginPage();
        page.setUsername('user');
        page.setPassword('password');
        page.logIn();
    }
};

function getBaseUrl(environment, client) {
    return 'http://example.com';
}

function setupReporters() {
    var ignoredErrors = ['materialdesignicons', 'Mixed Content', 'Failed to load resource'];

    // Check for console errors after every test, and fail if there are any
    afterEach(function () {
        browser.manage().logs().get('browser').then(function (browserLog) {
            if (browserLog.length) {
                console.error('[browser errors:] ' + require('util').inspect(browserLog));
            }

            expect(browserLog.filter(function (log) {
                return ignoredErrors.every(function(err) {
                    return !~log.message.indexOf(err);
                });
            }).length).toEqual(0);
        });
    });

    // If there is a failure of any kind, take a screenshot and save it
    jasmine.getEnv().addReporter(new function() {
        this.specDone = function (result) {
            if (result.failedExpectations.length > 0) {
                browser.takeScreenshot().then(function (png) {
                    var stream = fs.createWriteStream('screenshot-' + Date.now() + '.png');
                    stream.write(new Buffer(png, 'base64'));
                    stream.end();
                });
            }
        };
    });
}