Capybara vs Selenium: What are the differences?
Developers describe Capybara as "Acceptance test framework for web applications". Capybara helps you test web applications by simulating how a real user would interact with your app. It is agnostic about the driver running your tests and comes with Rack::Test and Selenium support built in. WebKit is supported through an external gem. On the other hand, Selenium is detailed as "Web Browser Automation". 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.
Capybara can be classified as a tool in the "Testing Frameworks" category, while Selenium is grouped under "Browser Testing".
"Best acceptance test framework for Ruby on Rails apps" is the top reason why over 7 developers like Capybara, while over 149 developers mention "Automates browsers" as the leading cause for choosing Selenium.
Capybara and Selenium are both open source tools. It seems that Selenium with 14.7K GitHub stars and 4.92K forks on GitHub has more adoption than Capybara with 8.82K GitHub stars and 1.29K GitHub forks.
MIT, PedidosYa, and HubSpot are some of the popular companies that use Selenium, whereas Capybara is used by GrowthHackers, sQuidd.io, and Indiegogo. Selenium has a broader approval, being mentioned in 770 company stacks & 425 developers stacks; compared to Capybara, which is listed in 38 company stacks and 20 developer stacks.
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