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Happo.io vs react-testing-library: What are the differences?
Developers describe Happo.io as "Cross-platform, cross-browser screenshot testing for modern user interfaces". Happo is a visual regression testing tool. It hooks into your CI environment to compare the visual appearance of UI components before and after a change. Screenshots are taken in different browsers and across different screen sizes to ensure consistent cross-browser and responsive styling of your application. 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.
Happo.io and react-testing-library can be categorized as "Testing Frameworks" tools.
Some of the features offered by Happo.io are:
- No more manual parsing of CSS
- See the effects of changes directly
- Test individual components in isolation
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
react-testing-library is an open source tool with 8.25K GitHub stars and 464 GitHub forks. Here's a link to react-testing-library's open source repository on GitHub.
Pros of Happo.io
Pros of react-testing-library
- We can test behavior3
- Good documentation1