Karma
Karma

476
306
175
Nemo.js
Nemo.js

2
11
0
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Karma vs Nemo.js: What are the differences?

Developers describe Karma as "Spectacular Test Runner for JavaScript". 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. On the other hand, Nemo.js is detailed as "PayPal’s open source node.js automation framework". Nemo provides a simple way to add selenium automation to your NodeJS web projects. Provides plugin architecture to incorporate custom features to your tests.

Karma and Nemo.js can be primarily classified as "Browser Testing" tools.

Some of the features offered by Karma are:

  • Test on Real Devices
  • Remote Control
  • Testing Framework Agnostic

On the other hand, Nemo.js provides the following key features:

  • Nemo.js wraps around the ubiquitous Selenium WebDriver, and as such, allows control of virtually any browser on any operating system
  • Built with a plugin architecture
  • Easy interface for authoring new plugins that can then be shared with others

Karma and Nemo.js are both open source tools. It seems that Karma with 10.7K GitHub stars and 1.61K forks on GitHub has more adoption than Nemo.js with 5 GitHub stars and 4 GitHub forks.

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 Nemo.js?

Nemo provides a simple way to add selenium automation to your NodeJS web projects. Provides plugin architecture to incorporate custom features to your tests.

Want advice about which of these to choose?Ask the StackShare community!

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        What tools integrate with Karma?
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        What are some alternatives to Karma and Nemo.js?
        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.
        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.
        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.
        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.
        See all alternatives
        Decisions about Karma and Nemo.js
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        How developers use Karma and Nemo.js
        Avatar of Riderman De Sousa Barbosa
        Riderman De Sousa Barbosa uses KarmaKarma

        All services, directives and controllers from angular are tested using Karma.

        Avatar of Ron Apelbaum
        Ron Apelbaum uses KarmaKarma

        I use Karma as a test runner for javascript unit tests

        Avatar of Giovanni Candido da Silva
        Giovanni Candido da Silva uses KarmaKarma

        Run unit and integration tests on real browsers

        Avatar of Glib Ischenko
        Glib Ischenko uses KarmaKarma

        Running Unit tests for Angular UI

        Avatar of Typeform
        Typeform uses KarmaKarma

        Testing frontend of admin part

        How much does Karma cost?
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