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Karma vs Sauce Labs: What are the differences?
Karma: 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; Sauce Labs: Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup. 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.
Karma and Sauce Labs 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, Sauce Labs provides the following key features:
- 700+ browser/OS/device combinations for cross-browser and platform testing to improve web and mobile app quality and eliminate the overhead of internal infrastructure
- Highly reliable, on-demand cloud for enterprise-grade scalability and industry standard security
- Optimized for popular testing frameworks, CI systems, and surrounding tools and services
"Test Runner" is the primary reason why developers consider Karma over the competitors, whereas "Selenium-compatible" was stated as the key factor in picking Sauce Labs.
Karma is an open source tool with 10.7K GitHub stars and 1.61K GitHub forks. Here's a link to Karma's open source repository on GitHub.
According to the StackShare community, Karma has a broader approval, being mentioned in 119 company stacks & 57 developers stacks; compared to Sauce Labs, which is listed in 66 company stacks and 11 developer stacks.
I am looking to purchase one of these tools for Mobile testing for my team. It should support Native, hybrid, and responsive app testing. It should also feature debugging, parallel execution, automation testing/easy integration with automation testing tools like Selenium, and the capability to provide availability of devices specifically for us to use at any time with good speed of performing all these activities.
I have already used Perfecto mobile, and Sauce Labs in my other projects before. I want to know how different or better is AWS Device farm in usage and how advantageous it would be for us to use it over other mentioned tools
A SaaS offering like Sauce Labs (or BrowserStack or LambdaTest, etc) will provide a remote Selenium/Appium Grid including the ability to run test automation in parallel (up to the amount based your subscription level) an a wide array of browsers and mobile devices.
These tools can be expensive, but if you can afford them, the expertise and effort of maintaining the grid, browser updates, etc. is worth it.
AWS Device Farm can be significantly cheaper, but is much more work to setup and run. It will not give you as many devices, or the reporting and screen/video capture you get with the the services. And there is no support for AWS Device Farm, and very poor documentation. I have used it, but do not recommend it. Running your own grid and physical device lab is better, but I'd stick with a service like Sauce Labs or Perfecto which will save you time and give you better services despite the higher price tag.
Stability - Just works. Availability - More than 15 datacenters. Enterprise features like SSO, local testing and SOC2/GDPR compliant.
BitBar's Dedicated Devices would be a great option for you. It allows you to dedicate (reserve) devices for your use only which also having access to all of the devices in the shared cloud. BitBar has the features and integrations that you are looking for as well.