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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.
Karma is a tool in the Browser Testing category of a tech stack.
Karma is an open source tool with 11K GitHub stars and 1.6K GitHub forks. Here鈥檚 a link to Karma's open source repository on GitHub

Who uses Karma?

177 companies reportedly use Karma in their tech stacks, including Typeform, Sellsuki, and Coderus.

285 developers on StackShare have stated that they use Karma.

Why developers like Karma?

Here鈥檚 a list of reasons why companies and developers use Karma
Karma Reviews

Here are some stack decisions, common use cases and reviews by companies and developers who chose Karma in their tech stack.

Angular CLI
Angular CLI
Visual Studio Code
Visual Studio Code

Switched from Jasmine with Karma that come setup by Angular CLI to use Jest instead, since Jasmine and Karma were very finicky in my setup and had to be reconfigured frequently to run tests properly.

Jest was also easier to integrate into my workflow with Visual Studio Code.

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Riderman De Sousa Barbosa
Riderman De Sousa Barbosa
Front-end Developer | 1 upvotes 2.9K views

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

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Karma's Features

  • Test on Real Devices
  • Remote Control
  • Testing Framework Agnostic
  • Open Source
  • Easy Debugging
  • Continuous Integration

Karma Alternatives & Comparisons

What are some alternatives to Karma?
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 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.
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 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

Karma's Followers
313 developers follow Karma to keep up with related blogs and decisions.
Riderman De Sousa Barbosa
Michael Weichselbaumer
Julien Fontaine
Lukas Kreuzer
Suresh Grandhisiri
Valeriu Jecov