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Capybara vs react-testing-library: 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, react-testing-library is detailed as "A lightweight solution for testing React components". It is a simple and complete React DOM testing utility that encourage good testing practices. It provides light utility functions on top of react-dom and react-dom/test-utils, in a way that encourages better testing practices.
Capybara and react-testing-library belong to "Testing Frameworks" category of the tech stack.
Some of the features offered by Capybara are:
- No setup necessary for Rails and Rack application. Works out of the box.
- Intuitive API which mimics the language an actual user would use.
- Switch the backend your tests run against from fast headless mode to an actual browser with no changes to your tests.
On the other hand, react-testing-library provides the following key features:
- light-weight solution for testing
- React DOM testing utilities
- works with any environment that provides DOM APIs
Capybara and react-testing-library are both open source tools. Capybara with 8.87K GitHub stars and 1.3K forks on GitHub appears to be more popular than react-testing-library with 8.25K GitHub stars and 464 GitHub forks.
According to the StackShare community, Capybara has a broader approval, being mentioned in 52 company stacks & 95 developers stacks; compared to react-testing-library, which is listed in 4 company stacks and 4 developer stacks.
Pros of Capybara
- Best acceptance test framework for Ruby on Rails apps12
- Synchronous with Rack::Test2
- Fast with Rack::Test1
Pros of react-testing-library
- We can test behavior3
- Good documentation1
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Cons of Capybara
- Hard to make reproducible tests when using with browser1