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Karma

Stacks4.2K

Followers602

+ 1

Votes181

Playwright

Stacks311

Followers503

+ 1

Votes76

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Karma vs Playwright: 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, Playwright is detailed as "Node library to automate Chromium, Firefox and WebKit with a single API (By Microsoft)". It is a Node library to automate the Chromium, WebKit and Firefox browsers with a single API. It enables cross-browser web automation that is ever-green, capable, reliable and fast.

Karma and Playwright can be categorized 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, Playwright provides the following key features:

Node library
Headless supported
Enables cross-browser web automation

Karma and Playwright are both open source tools. It seems that Karma with 11.1K GitHub stars and 1.64K forks on GitHub has more adoption than Playwright with 10.9K GitHub stars and 282 GitHub forks.

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Pros of Karma

Pros of Playwright

61
Test Runner
35
Open source
27
Continuous Integration
22
Great for running tests
18
Test on Real Devices
11
Backed by google
5
Easy Debugging
2
Remote Control

13
Cross browser
10
Open source
9
Test Runner with Playwright/test
7
Well documented
7
Promise based
5
Execute tests in parallel
5
API Testing
5
Integrate your POMs as extensible fixtures
4
Python Support
4
Capture videos, screenshots and other artifacts on fail
3
Context isolation
3
Inbuild reporters html,line,dot,json
1
Fastest

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Cons of Karma

Cons of Playwright

1
Slow, because tests are run in a real browser
1
Requires the use of hacks to find tests dynamically

12
Less help
3
Node based
2
Does not execute outside of browser

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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 Playwright?

It is a Node library to automate the Chromium, WebKit and Firefox browsers with a single API. It enables cross-browser web automation that is ever-green, capable, reliable and fast.

Need advice about which tool to choose?Ask the StackShare community!

Jobs that mention Karma and Playwright as a desired skillset

Senior Software Engineer, Web Platform (Distribution)

Postman

Bangalore, India

View Job Details

Product Support Engineer

Postman

Boston, United States

View Job Details

+11

Senior Backend Engineer, Decision Science

LaunchDarkly

- US

View Job Details

+11

Senior Software Engineer, Web Platform

Postman

, Europe

View Job Details

+10

Product Support Engineer

Postman

Bangalore, India

View Job Details

+10

Product Support Engineer

Postman

New York, Boston, United States

View Job Details

+11

Product Support Engineer

Postman

, Western Europe

View Job Details

+11

Strategic Solutions Engineer (Pre-Sales), UK

Postman

United Kingdom | France

View Job Details

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See jobs for Playwright

What companies use Karma?

What companies use Playwright?

See which teams inside your own company are using Karma or Playwright.

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What tools integrate with Karma?

What tools integrate with Playwright?

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What are some alternatives to Karma and Playwright?

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.

Jest

Jest provides you with multiple layers on top of Jasmine.

Mocha

Mocha is a feature-rich JavaScript test framework running on node.js and the browser, making asynchronous testing simple and fun. Mocha tests run serially, allowing for flexible and accurate reporting, while mapping uncaught exceptions to the correct test cases.

Protractor

Protractor is an end-to-end test framework for Angular and AngularJS applications. Protractor runs tests against your application running in a real browser, interacting with it as a user would.

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.

See all alternatives

Karma vs Playwright

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Pros of Karma

Pros of Playwright

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Cons of Karma

Cons of Playwright

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What is Karma?

What is Playwright?

Need advice about which tool to choose?Ask the StackShare community!

What companies use Karma?

What companies use Playwright?

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What tools integrate with Karma?

What tools integrate with Playwright?

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