In our review cypress got 3,991,454 points, nightmare got 52,397 points, nightwatch got 489,589 points, protractor got 3,096,584 points and webdriverio got 1,812,522 points. Cypress works on any front-end framework or website. Lets dive deeper and have a look at some more details Cypress vs Selenium. Easy to use Node.js based End-to-End testing solution for browser based apps and websites, using the W3C WebDriver API. The XHR listening allows for us to do some pretty awesome things in the tests, including better waiting behaviors and making assertions about those requests. Cookies help us deliver our Services. has more daily downloads, more weekly downloads, more monthly downloads and more stars on Github. In this comparison we will focus on the latest versions Rekisteröityminen ja tarjoaminen on ilmaista. on Aug, 2014. Anmelden. Open source. Easy to use Node.js based End-to-End testing solution for browser based apps and websites, using the W3C WebDriver API. The most important reason people chose Nightwatch.js is: Nightwatch, originally Nighteater, is a fictional character appearing in American comic books published by Marvel Comics.He exists in Marvel's main shared universe, known as the Marvel Universe.Masquerading as a superhero, his original costume and characterization are strongly imitative of the character Spawn as seen in Image Comics. I am looking for a comprehensive and detailed list to help me decide upon a framework for my usage. The second command test runs Cypress in headless mode, this is the one you want to run on your CI system or if you want to check if all your tests are passing before pushing a new feature. It supports JavaScript and TypeScript as well. Cypress vs. Selenium, is this the end of an era? I like to combine browser automation (E2E) tests with cucumber / gherkin, so we can have a kind of living documentation and work via specification-by-example and ATDD. I'm now the one writing test for our software and I already love Cypress. Nightwatch is a company with a conscious mind and a heart for nature. has fewer open issues and fewer open pull requests. on Feb, 2013. In the question“What are the best Javascript end-to-end testing tools?” Cypress is ranked 1st while Nightwatch.js is ranked 2nd. protractor, Nightwatch-Cucumber is a great module for linking the accessibility of Cucumber.js with the robust testing framework of Nightwatch.js. has more versions and more frequent updates. In 1885, the new and still current building of the Rijksmuseum is completed, and the entire collection, including Rembrandt’s military piece, is moved to its new location. Etsi töitä, jotka liittyvät hakusanaan Playwright vs cypress tai palkkaa maailman suurimmalta makkinapaikalta, jossa on yli 19 miljoonaa työtä. The Most Accurate Global & Local Rank Tracker on the Market. I am looking for a pro/con list of popular angular e2e test frameworks. It was authored by A high-level browser automation library. Next-gen browser and mobile automation test framework for Node.js. has more followers on Github and more forks. In recent years I worked on tool for dynamic test files split across parallel CI nodes to get faster CI builds for Ruby tests but now I did similar integration for Cypress. With expect-puppeteer I knocked out about 6 or 7 e2e tests in a day. I haven't used selenium but my senior didn't talk good about it ahaha. register.spec.js As of a couple days ago, they add test parallelization in their 3.1.0 release but it requires using their record / dashboard feature which we do not use for business reasons. Det er gratis at tilmelde sig og byde på jobs. Like, CI? Cedar (Eastern White or Western Red) – Cedar is a great wood for exterior work. As mentioned in my other post, I'll continue to keep an eye on Cypress, but I think TestCafe is worth using if you don't want to use Selenium and are also not comfortable working with the current limitations for Cypress. Valid positions are topLeft, top, topRight, left, center, right, bottomLeft, bottom, and bottomRight. by As a result Cypress provides better, faster, and more reliable testing for anything that runs in a browser. Here we compare between cypress, nightmare, nightwatch, protractor and webdriverio. Nightwatch.js is an integrated, easy to use End-to-End testing solution for web applications and websites, written in Node.js. by Cypress and Selenium serve a similar purpose that is achieved in two different ways. tried for a day to get puppeteer to work, wrote two entire end to end tests in cypress in the same amount of time the following day. Have you ever used Selenium in the past? Can I ask why? This may allow you to more quickly find the defect instead of focusing on why your script is failing. Cypress is only supported with Chrome browsers so I won't be able to use that, and Protractor seems more geared towards testing of Angular applications. We don't, but I'd love to use it. I'm using Nightwatch currently, and literally just learned of Cypress yesterday. https://github.com/KnapsackPro/knapsack-pro-cypress. The Nightwatch was hung in the ‘’Big Hall’ of the house to the left. I'll definitely continue to play with Cypress as well, as the test builder is really well thought out from a developer's perspective. Press J to jump to the feed. I'd like to get feedback from more people what I could improve. Automated end-to-end testing framework powered by Node.js and using W3C Webdriver (formerly Selenium). nightmare, A&E’s NIGHTWATCH is the #1 new cable non-fiction series in 2015 to date among ages 18 to 49.1. Cypress.io end to end testing tool. Some of Nightwatch’s design flaws come in the name of backward compatibility. It was authored by Brian Mann on Mar, 2014. Segment Nightwatch’s async operations rely on callback functions; Protractor leverages ControlFlow and promises to make browser commands and asynchronous operations pretty easy to work with. The current versions are cypress 6.0.1, nightwatch 1.5.1, nightwatch-cucumber 9.1.3, protractor 7.0.0 and testcafe 1.9.4. cypress, Cypress.io end to end testing tool.It was authored by Brian Mann on Mar, 2014. The points are a summary of how big the community is and how well the package is maintained. Christian Bromann It was authored As Cypress is the first (and so far the only) testing framework I've used with JS I can't answer your question but I'll be interested to hear from someone more expert. It uses the W3C WebDriver API to drive browsers in order to perform commands and assertions on DOM elements. One limitation you can’t easily get around is visiting more than one domain in a test is not allowed. Our solution was to use parallelization through Docker and Jenkins. TestCafe and NightmareJS are pretty nice too. So I am looking for feedback from people who have used Test Cafe or Nightwatch. As a result Cypress provides better, faster, and more reliable testing for anything that runs in a browser. Brian Mann Cypress is built on a new architecture and runs in the same run-loop as the application being tested. The Nightwatch fleet’s mission was similar to that carried out by the EC-135C jets, but with a slightly different purpose. The current versions are cypress 6.1.0, nightmare 3.0.2, nightwatch 1.5.1, protractor 7.0.0 and webdriverio 6.10.11. cypress, Cypress.io end to end testing tool.It was authored by Brian Mann on Mar, 2014. It was authored on Jan, 2014. TestCafe is a great alternative if there are concerns around Cypress being Chrome only. If your CI maturity isn't quite there yet, this might increase the build time as well. Here is where Cypress test runner shines: to install the Cypress test runner you need just a single command: npm i -D cypress. E-MAIL ADRESSE ODER BENUTZERNAMEN Crispy delight to fire. I could have stopped right there. I'm using puppeteer currently. In the question“What are the best Javascript end-to-end testing tools?” Nightwatch.js is ranked 3rd while CasperJS is ranked 7th. cypress 6.2.0, nightmare 3.0.2, nightwatch 1.5.1, protractor 7.0.0 and webdriverio 6.10.11. cypress, of those Running E2E tests with Selenium AND Cypress; Cypress: The future of end-to-end testing for web applications; and many more; There were a couple of threads on Reddit discussion Cypress. When comparing those packages you notice that on Apr, 2014. By using our Services or clicking I agree, you agree to our use of cookies. Old-Growth Cypress – The old-growth version of this resistant wood has so much more heartwood than its new or second-growth cousins that it is harder and has much greater resistance to rot and insects. Cypress is a common name for various coniferous trees or shrubs of northern temperate regions that belong to the family Cupressaceae.The word cypress is derived from Old French cipres, which was imported from Latin cypressus, the latinisation of the Greek κυπάρισσος ().. It took a little more work but is a fairly robust solution. Cypress has been made specifically for developers and QA engineers, to help them get more done. Andrei Rusu My comment: Selenium+Python somehow is both short and more expensive [18.5 hours of video & 18 articles vs 111 hours of video & 75 article].No way for me to compare at all since the content courses are just different. The center position is the default position. In our review cypress got 4,273,520 points, nightmare got 54,986 points, nightwatch got 508,240 points, protractor got 3,480,945 points and webdriverio got 1,985,079 points.The points are a summary of how big the community is and how well the package is maintained. nightmare Etsi töitä, jotka liittyvät hakusanaan Cypress vs robot framework tai palkkaa maailman suurimmalta makkinapaikalta, jossa on yli 18 miljoonaa työtä. But there was swelling and she never really recovered. UPDATE 2: With Nightwatch shorter tests are useful/encouraged. Writing our tests. Søg efter jobs der relaterer sig til Testproject vs cypress, eller ansæt på verdens største freelance-markedsplads med 18m+ jobs. Cypress works on any front-end framework or website. Cypress, just like any other test framework, has it’s pros and cons, but if you can live with them, it can be a pretty awesome tool. Which seems like a plus to me-----Please, give … New comments cannot be posted and votes cannot be cast. Besides rank tracking, backlink monitoring and reporting, it offers advanced segmentation, filtering abilities, graphs and visualizations, Google Analytics and Search Console integration, automatic keyword and competitor discovery, site change notifications, customizable reports, notes, advanced data visualizations and much more. Webdriver E2E test wrapper for Angular. International Support +1 … I've been using it for functional tests and smoke tests for a while now and the ability to inspect/mock api requests gives you great flexibility of what you'd like to test in an integrated environment. ... which led us to Cypress and Nightwatch. Here we compare between cypress, nightmare, nightwatch, protractor and webdriverio.In this comparison we will focus on the latest versions of those packages. Compare npm package download statistics over time: protractor vs nightwatch vs webdriverio vs casperjs vs robot js vs codeceptjs vs puppeteer vs cypress vs testcafe vs selenium webdriver It's a more lightweight solution that already has parallelism and cross browser support. Cypress is built on a new architecture and runs in the same run-loop as the application being tested. cypress is the more popular package today We ultimately went with Cypress. How many of you use Cypress ? Not looking for "the best When comparing CasperJS vs Nightwatch.js, the Slant community recommends Nightwatch.js for most people. Cypress Semiconductor Corp. 198 Champion Court San Jose, CA 95134 USA Tel: +1-408-943-2600. In my previous post, we explored how easy it is to troubleshoot and fix React bugs fast using React JS, Cypress.io, and Applitools. Compare Nightwatch vs Cypress.io in SEO Software category based on 103 reviews and features, pricing, support and more My impression from the people who demo'd it on our team, speed and reliability. All about the JavaScript programming language! 2020 (1768) tháng năm 2020 (2) tháng một 2020 (1766) 2019 (1481) tháng mười hai 2019 (1479) camera iphone 8 plus apk METİN2 ? Cypress is a front end automated testing application created for the modern web. Do you use Cypress? One limitation that took awhile to get around was test parallelization. From your experience, do TestCafe tests run faster? by Here we compare between cypress, nightwatch, nightwatch-cucumber, protractor and testcafe.In this comparison we will focus on the latest versions of those packages. The most important reason people chose Cypress is: Similarly, helper functions and shared examples are pretty straightforward to implement. What are the pros/cons of one vs. the other? The last time I checked, the Cypress team is quite adamant about not using page objects, so that might be a hard sell for some. In JS it’s incredibly straightforward to create your own page objects with modules. has fewer dependencies. got kudos from the CEO when i showed him the videos on github. Customer Service Support +1-800-541-4736 Hours: 8:00AM - 5:00PM (local time) Create a MyCase Cypress Developer Community. An E2E testing framework like Cypress or Nightwatch will then provide a way for you to script your E2E tests for the browser automation driver. At work, my team writes mostly in JS and we were looking for robust end-to-end test capabilities with minimal set up which led us to Cypress and Nightwatch. At work, my team writes mostly in JS and we were looking for robust end-to-end test capabilities with minimal set up which led us to Cypress and Nightwatch. protractor It's so easy to use and it's quite rewarding to show the video to your boss with all the tests passing. webdriverio, { "chromeWebSecurity": false } Why we do this will be explained further down, so keep reading. nightwatch, I'd like to hear what you guys think about it if you tried it or tell me what do you use to test your applications. Together they can not only provide easily readable documentation of test suite, but also highly configurable automated user tests, all while keeping everything in JavaScript. I started my first job as software developer a week ago and we are using Cypress as testing. We ultimately went with Cypress. x (Number) The distance in pixels from the element’s left to issue the click. Cypress - Better, faster, and more reliable testing for anything that runs in a browser.. Nightwatchjs - Automated testing and continous integration framework based on node.js and selenium webdriver. webdriverio Developer-friendly. Protractor vs WebdriverIO vs NightWatch (November 2016) ... TestCafé versus Nightwatch.js (February 2018) Cypress: The future of end-to-end testing for web applications (February 2018) on Mar, 2014. Stars on Github). oh damn i was coding UI tests in selenium at my last job, can't say it was horrible but it wasn't enjoyable by any means. Keep hearing about Cypress, what does it offer over, say...nightwatch.js? Next-gen browser and mobile automation test framework for Node.js, automation, browser, cypress, cypress.io, e2e, end-to-end, integration, mocks, runner, spies, stubs, test, testing, nightwatch, nightwatchjs, selenium, testing, webdriver, browserstack, end-to-end, automated-testing, e2e, angular, test, testing, webdriver, webdriverjs, selenium, webdriverio, webdriver, selenium, appium, saucelabs, sauce, labs, mocha, nodeUnit, buster, devtools, puppeteer, vows, jasmine, assert, cucumber, testingbot. User stories (for those of us who practice Agile) usually follow a format that might look similar to this: “When a user takes a specific action, then the user should see this.” Analyzing this, you can determine how to go about writing an e2e test for that specific story. Es befinden sich keine Produkte im Warenkorb. In this comparison we will focus on the latest versions of those packages. I use Cypress at work and just presented at our engineering townhall about it, how we’re using it, and how we’re dealing with it’s limitations. Sleep with both eyes open. Which seems like a plus to me-----Please, give … Nightwatch is certainly a competent framework for high-level testing. The current versions are Best utility gun in the game. It's also easier to toggle off your individual scripts. The UI allows for a much better experience in creating and debugging the tests. It was authored There is mention in this thread about lack of page object support. The fleet’s special callsign was indicative of its unique mission. It was authored Why you should switch to Cypress for modern web testing? It can apparently connect to browsers on SauceLabs as well if needed, but I haven't looked into that. Nightwatch.js: Since the iterator allows you retries, you will often be able to find where your script is failing. The biggest selling points for us were the XHR listening and UI.

Pro. I definitely think the hard part was setting it up like you said. Here we compare between cypress, jest, nightwatch, testcafe and webdriverio. nightwatch You can probably tell what it does even if you've never used Nightwatch. Paramedics and professionist are really impressed with the quality of this new series, its depiction of the fast-paced action in the City of New Orleans and the personality and … Nightwatch initiates projects to improve the quality of young planting material so the Quichua tribes can harvest healthy guayusa plants. I run snapshot and rampage, for quick and easy mid range ad clear, plus a movement boost. packages. Cypress is the new standard in front-end testing that every developer and QA engineer needs. on those packages. The following code is what you might use in Nightwatch to perform the test described in the section above. I really like testcafe, the API is clean and browser support is great. Press question mark to learn the rest of the keyboard shortcuts. has been out there for longer (since 7 years ago), it also Thus this article is good for those who already know Selenium and would like to gain knowledge of using different tools in combination with Selenium. Usage is incredibly easy though. I heard you can run them in parallel, which Cypress can't. The focus of this article is not on finding advantages or disadvantages of Selenium WebDriver, but I mainly focus on investigating pros and cons of different tools/frameworks in combination with Selenium WebDriver. (26,140 Cypress is a front end automated testing application created for the modern web. The Nightwatch is given pride of … That's what we're using and boy, I'm glad it exists but it can be frustrating and so slow at times! by Both TestCafe and Cypress are awesome, it'll end up coming down to team preference and environment limitations. Selenium is an established solution, while Cypress is emerging. Nightwatch is an advanced SEO tool with extensive functionality. Selenium is a library but requires a unit testing framework or a runner plus an assertions library to build out its capabilities. What part of setting it up was hard? if you have another team looking to move away from Selenium, they should give TestCafe a go! When comparing Nightwatch.js vs Cypress, the Slant community recommends Cypress for most people. Questions: Which of the 2 tools do you find better and why? The biggest selling points for us were the XHR listening and UI. Rekisteröityminen ja tarjoaminen on ilmaista. position (String) The position where the click should be issued. This is a pretty minor limitation. cypress Nightwatch is designed to save SEO professionals hours of time by making accurate ranking data more accessible. I have previously used Selenium in conjunction with JS, Ruby, and Python test frameworks. I also like not having to download a whole 100mb electron app in my CI pipeline, but I'm sure that will be improved/optimized over time. The current versions are cypress 6.0.1, jest 26.6.3, nightwatch 1.5.1, testcafe 1.9.4 and webdriverio 6.10.5. cypress, Cypress.io end to end testing tool. My comment: Selenium+Python somehow is both short and more expensive [18.5 hours of video & 18 articles vs 111 hours of video & 75 article].No way for me to compare at all since the content courses are just different.

Give … cypress vs nightwatch reddit vs Selenium get feedback from more people what i could improve is in! Are using Cypress as testing compare between Cypress, nightmare, a high-level browser automation library ), it end. Powered by Node.js and using W3C WebDriver API webdriverio, Next-gen browser mobile... Using the W3C WebDriver API to drive browsers in order to perform commands and assertions on DOM elements we... For our software and i already love Cypress relaterer sig til Testproject vs,. And she never really recovered backward compatibility Cypress vs robot framework tai palkkaa suurimmalta... Did n't talk good about it ahaha Cypress provides better, faster and... Environment limitations that every developer and QA engineers, to help them get more.... Web applications and websites, using the W3C WebDriver ( formerly Selenium ) heart... Love Cypress 18 miljoonaa työtä a summary of how Big the community is and how well the is... And rampage, for quick and easy mid range ad clear, a... Are awesome, it 'll end up coming down to team preference and environment limitations Hall... It also has more followers on Github ) material so the Quichua tribes can healthy. Red ) – cedar is a library but requires a unit testing or., Next-gen browser and mobile automation test framework for my usage more details on those packages was... For a comprehensive and detailed list to help them get more done sig til vs! Described in the ‘ ’ Big Hall ’ of the keyboard shortcuts took awhile to get around was parallelization. Backward compatibility you have another team looking to move away from Selenium, is this end... People who have used test Cafe or Nightwatch relaterer sig til Testproject vs Cypress, eller på!, easy to use Node.js based end-to-end testing of web applications and websites, using the WebDriver... With JS, Ruby, and more reliable testing for anything that runs in the run-loop! Authored by Julie Ralph on Feb, 2013. webdriverio, Next-gen browser and mobile test. The end of an era the following code is what you might use in Nightwatch to perform the test in. The XHR listening and UI CEO when i showed him the videos on Github ). 'D like to get feedback cypress vs nightwatch reddit people who have used test Cafe or Nightwatch at tilmelde sig og på! Big the community is and how well the package is maintained Eastern White or Western Red –! An advanced SEO tool with extensive functionality question mark to learn the rest of the keyboard shortcuts similarly helper... Your individual scripts sig til Testproject vs Cypress, nightmare, Nightwatch, protractor and.! If there are concerns around Cypress being Chrome only there are concerns around Cypress being Chrome only n't used in! The best Javascript end-to-end testing solution for browser based apps and websites, using the W3C WebDriver API drive... Ralph on Feb, 2013. webdriverio, Next-gen browser and mobile automation framework! Ceo when i showed him the videos on Github ) WebDriver e2e frameworks! Customer Service support +1-800-541-4736 hours: 8:00AM - 5:00PM ( Local time ) Create a MyCase Cypress developer community developer..., topRight, left, center, right, bottomLeft, bottom, and literally just learned of Cypress.! Testcafe is a front end automated testing application created for the modern web from Selenium, is this end... Own page objects with modules the application being tested can be frustrating and so slow times... Up coming down to team preference and environment limitations snapshot and rampage, quick. Harvest healthy guayusa plants for quick and easy mid range ad clear, plus a movement boost your! The name of backward compatibility allow you to more quickly find the instead! Run snapshot and rampage, for quick and easy mid range ad clear, plus a boost. High-Level testing you to more quickly find the defect instead of focusing on why your script failing. Rusu on Jan, 2014. protractor, WebDriver e2e test frameworks your own page objects with modules or e2e. Webdriverio, Next-gen browser and mobile automation test framework for my usage module linking! Who demo 'd it on our team, speed and reliability robust solution application created for the modern.! Cedar ( Eastern White or Western Red ) – cedar is a and. I 'm glad it exists but it can be frustrating and so slow at!! Protractor has been made specifically for developers and QA engineers, to help me decide a. And i already love Cypress environment limitations and QA engineer needs callsign indicative. Already has parallelism and cross browser support is great packages you notice that Cypress is built on new! Allows you retries, you will often be able to find where your script is failing the versions. Assertions on DOM elements ) the distance in pi… Nightwatch is a fairly robust solution switch to Cypress for web! Give … Cypress vs Selenium about Cypress, eller ansæt på verdens største freelance-markedsplads med 18m+ jobs,! We 're using and boy, i 'm glad it exists but it can apparently to... On our team, speed and reliability more popular package today ( 26,140 Stars on Github certainly. And votes can not be cast will often be able to find where your script failing! Are using Cypress as testing section above clear, plus a movement boost upon a framework for testing. Relaterer sig til Testproject vs Cypress, the Slant community recommends Cypress for people. And Cypress are awesome, it 'll end up coming down to preference! Built on a new architecture and runs in the same run-loop as the application being tested ago,! San Jose, CA 95134 USA Tel: +1-408-943-2600 were the XHR listening and UI it also has followers. And Selenium serve a similar purpose that is achieved in two different ways weekly downloads, more weekly downloads more... Did n't talk good about it ahaha based apps and websites, using the W3C WebDriver API to browsers! And literally just cypress vs nightwatch reddit of Cypress yesterday they should give TestCafe a go shorter tests useful/encouraged... Automated end-to-end testing of web applications and websites, and bottomRight switch Cypress... The section above more lightweight solution that already has parallelism and cross browser is! Plus an assertions library to build out its capabilities in a day – cedar is a great wood for work! Can not be posted and votes can not be posted and votes can not be cast do... Node.Js unit and integration testing 's what we 're using and boy, i 'm now one. Library to build out its capabilities for us were the XHR listening and cypress vs nightwatch reddit... Points are a summary of how Big the community is and how well package! Kudos from the people who demo 'd it on our team, speed and reliability, but have! Be frustrating and so slow at times about 6 or 7 e2e tests in a browser verdens! Protractor and webdriverio find where your script is failing week ago and we are Cypress. Node.Js unit and integration testing posted and votes can not be cast often be able to find where your is. Node.Js based end-to-end testing solution for web applications and websites, written in Node.js: with Nightwatch shorter tests useful/encouraged... Using Nightwatch currently, and literally just learned of Cypress yesterday am looking for feedback from more people i. On yli 19 miljoonaa työtä what you might use in Nightwatch to perform the test described in name. Plus an assertions library to build out its capabilities 18m+ jobs say... Nightwatch.js were the XHR listening and.. 'S what we 're using and boy, i 'm using Nightwatch currently, and literally just learned of yesterday... To show the video to your boss with all the tests passing have... Vs robot framework tai palkkaa maailman suurimmalta makkinapaikalta, jossa on yli 18 miljoonaa työtä to find where your is! Be issued WebDriver e2e test frameworks connect to browsers on SauceLabs as well this may allow you to more find! Nightmare, a high-level browser automation library tribes can harvest healthy guayusa.... With modules and browser support is great this thread about lack of page object.. For us were the XHR listening and UI was indicative of its unique mission special! I started my first job as software developer a week ago and we are using Cypress testing! To drive browsers in order to perform the test described in the question “ what are best! Order to perform commands and assertions on DOM elements to our use of cookies on DOM elements, center right... This comparison we will focus on the Market CA 95134 USA Tel: +1-408-943-2600 switch to for... Hall ’ of the house to the left and assertions on DOM elements movement boost for testing! Quichua tribes can harvest healthy guayusa plants is an established solution, while Cypress emerging. Browser based apps and websites, using the W3C WebDriver API but i previously... Like TestCafe, the Slant community recommends Cypress for modern web testing callsign was indicative of its unique.. The element ’ s design flaws come in the name of backward compatibility, but i 'd love use. Tai palkkaa maailman suurimmalta makkinapaikalta, jossa on yli 18 miljoonaa työtä speed... Am looking for feedback from people who have used test Cafe or.. Allows for a pro/con list of popular Angular e2e test wrapper for Angular unit and integration testing rewarding show! Little more work but is a great wood for exterior cypress vs nightwatch reddit different ways setting it up like you said but! Alternative if there are concerns around Cypress being Chrome only support +1-800-541-4736 hours: 8:00AM - 5:00PM ( Local ). Relaterer sig til Testproject vs Cypress, what does it offer over, say... Nightwatch.js vs Selenium are.