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Happo.io vs pytest: What are the differences?
What is Happo.io? 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.
What is pytest? A full-featured Python testing tool to help you write better programs. A framework makes it easy to write small tests, yet scales to support complex functional testing for applications and libraries. It is a mature full-featured Python testing tool.
Happo.io and pytest can be categorized as "Testing Frameworks" tools.
pytest is an open source tool with 4.42K GitHub stars and 1.06K GitHub forks. Here's a link to pytest's open source repository on GitHub.