Karmaย vsย Sauce Labsย vsย Selenium

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Karma
Karma

497
321
+ 1
175
Sauce Labs
Sauce Labs

228
212
+ 1
406
Selenium
Selenium

4.5K
3K
+ 1
445
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What is Karma?

Karma is not a testing framework, nor an assertion library. Karma just launches a HTTP server, and generates the test runner HTML file you probably already know from your favourite testing framework. So for testing purposes you can use pretty much anything you like.

What is Sauce Labs?

Cloud-based automated testing platform enables developers and QEs to perform functional, JavaScript unit, and manual tests with Selenium or Appium on web and mobile apps. Videos and screenshots for easy debugging. Secure and CI-ready.

What is Selenium?

Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that. Boring web-based administration tasks can (and should!) also be automated as well.
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Why do developers choose Karma?
Why do developers choose Sauce Labs?
Why do developers choose Selenium?

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    What are some alternatives to Karma, Sauce Labs, and Selenium?
    Jasmine
    Jasmine is a Behavior Driven Development testing framework for JavaScript. It does not rely on browsers, DOM, or any JavaScript framework. Thus it's suited for websites, Node.js projects, or anywhere that JavaScript can run.
    BrowserStack
    Live, Web-Based Browser Testing Instant access to all real mobile and desktop browsers. Say goodbye to your lab of devices and virtual machines.
    LambdaTest
    LambdaTest is a cloud-based testing platform and it provides access to a powerful network cloud of 2000+ real browsers and operating system that helps testers in cross-browser and cross-platform compatibility testing.
    Nightwatchjs
    Nightwatch.js is an easy to use Node.js based End-to-End (E2E) testing solution for browser based apps and websites. It uses the powerful Selenium WebDriver API to perform commands and assertions on DOM elements.
    WebdriverIO
    WebdriverIO lets you control a browser or a mobile application with just a few lines of code. Your test code will look simple, concise and easy to read.
    See all alternatives
    Decisions about Karma, Sauce Labs, and Selenium
    Zarema Khalilova
    Zarema Khalilova
    Frontend Team Lead at Uploadcare ยท | 5 upvotes ยท 50.3K views
    atUploadcareUploadcare
    BrowserStack
    BrowserStack
    Sauce Labs
    Sauce Labs
    #OpenSource

    I am working on #OpenSource file uploader. The uploader is the widget that other developers embed in their apps. It should work well in different browsers and on different devices. BrowserStack and Sauce Labs help to achieve that. I can test the uploader in many varieties of browsers+OS only used my browser without virtual machines.

    See more
    Benjamin Poon
    Benjamin Poon
    QA Manager - Engineering at HBC Digital ยท | 8 upvotes ยท 131.4K views
    Nightwatchjs
    Nightwatchjs
    Selenium
    Selenium
    JavaScript
    JavaScript
    Cucumber
    Cucumber
    GitHub
    GitHub
    GoCD
    GoCD
    Docker
    Docker
    ExpressJS
    ExpressJS
    React
    React
    PostgreSQL
    PostgreSQL

    For our digital QA organization to support a complex hybrid monolith/microservice architecture, our team took on the lofty goal of building out a commonized UI test automation framework. One of the primary requisites included a technical minimalist threshold such that an engineer or analyst with fundamental knowledge of JavaScript could automate their tests with greater ease. Just to list a few: - Nightwatchjs - Selenium - Cucumber - GitHub - Go.CD - Docker - ExpressJS - React - PostgreSQL

    With this structure, we're able to combine the automation efforts of each team member into a centralized repository while also providing new relevant metrics to business owners.

    See more
    Kevin Roulleau
    Kevin Roulleau
    QA Engineer Freelance at happn ยท | 5 upvotes ยท 34.7K views
    athappnhappn
    WebdriverIO
    WebdriverIO
    Appium
    Appium
    Selenium
    Selenium

    I chose WebdriverIO and Appium to implement a E2E tests solution on a native mobile app. WebdriverIO goes well beyond just implementing the Selenium / Appium protocol and allows to run tests in parallel out of the box. Appium has the big advantage of supporting iOS and Android platforms, so the test codebase and tools are exactly the same, which greatly reduces the learning curve and implementation time.

    See more
    Interest over time
    Reviews of Karma, Sauce Labs, and Selenium
    Review ofSauce LabsSauce Labs

    Sauce Labs is a fantastic testing tool that I am using for my QA internship.

    I am particularly happy with the speed of which any virtual machine loads - that saves me heaps of time and allows me to concentrate on executing more tests instead of blankly staring at the screen (and I do appreciate funny quotes displayed during the minimal wait) . I constantly have to switch between different OS and browsers and so far I had nothing but speedy and reliable experience. Moreover, getting Sauce Labs to work with local links could not have been easier!

    Sauce Labs tool is in general very simple to use for either manual or automated testing, with a lot of great resources available that are easily accessible. I additionally feel that Sauce Labs goes beyond a testing tool - it is also a community of testers and for testers, which I find really appealing. I have been using BrowserStack previously and although it was also a great testing tool, I feel that it is lacking the support Sauce Labs offers.

    All in all - I only have positive things to say about Sauce Labs, the only thing that could possibly be improved (and I'm just being picky) is the speed of which iOS cloud loads - it appears to be slightly slower than other virtual machines.

    Review ofSauce LabsSauce Labs

    SauceLabs is widely used by QAs for both types of testing manual and automation. It provides possibility of compatibility testing on different OS and browsers + mobile platforms for those who don't have big test stand with all real devices. I started to use SauceLabs only because of not having real devices to test website for compatibility and responsive design. After this useful experience I started to learn about automation with Selenium Webdriver and again SauceLabs helped me with tests execution on different platforms. It's easy to setup and to integrate in existing solutions and saved us a lot of time. I love reporting provided by SauceLabs, you can check video and screenshots after or view running test on the fly. Now I recommend SauceLabs to all QAs in my and other companies, even developers are using it to reproduce bugs and check their code on different devices. SauceLabs has very good documentation and big community where any appeared question can be quickly answered. I receive their emails about news and tips how to use it efficiently, sometimes there are useful webinars at SauceLabs. Thank you for this great everyday job!

    Review ofSauce LabsSauce Labs

    We chose to use Sauce Labs as our Selenium Grid in the cloud b/c we didn't want to support testing on Windows/IE in-house due to security concerns.

    Thus choosing a service like Sauce Labs was the only solution we had to execute our Watir-WebDriver (Selenium) acceptance tests on IE and other browser/OS combos.

    Pros: It took me a few hours to get setup and immediately start running tests. Our main test stack consists of: Cucumber/Watir-WebDriver (Selenium-WebDriver) and getting it up and running was not that hard. It was very fast to spin up a VM and run tests and view the screencasts and screenshots. Easier to use this as opposed to setting up an in-house Selenium Grid setup.

    Cons: I didn't find ANY documentation on how to setup Watir-WebDriver on Sauce Labs, I had to figure it out via Googling. The Watir tests do run a tad bit slow on SL. The UI is a bit dated, tried out the new beta UI and it looks nicer but doesn't seem to be ready for production use, the screencast view in beta mode was way too big.

    Overall I like it as it's easy to use and gets the job done. I have yet to setup w/Jenkins, that's the next stop.

    Review ofSauce LabsSauce Labs

    We worked on a 3-year engagement with a major pharmaceutical company. Our builds had to go through a complex review and deployment process with different many players making code and configuration changes across various build profiles and environments. We wanted to ensure that nothing was broken in our application code in this process, and that any breakages would be immediately identified.

    We used Sauce Labs to create a testing suite for our app, and added tests with each new release. This helped us identify several critical issues before they