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Chai Enzyme

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Updated: 14 Jun 2018
786 Stars

Chai.js assertions and convenience functions for testing React Components with enzyme

Overview

Chai-Enzyme enhances the testing capabilities for React components by integrating Chai.js assertions with Enzyme’s powerful rendering methods. This combination makes it easier to verify the state and properties of components during testing. Whether you are a seasoned developer or just starting out with testing, Chai-Enzyme brings flexibility and clarity to your assertion strategies.

With comprehensive assertions tailored for various rendering strategies, Chai-Enzyme allows developers to write tests that effectively validate their components. Its robust debugging output and seamless integration with existing Chai.js plugins make it an excellent choice for anyone aiming to ensure their React components operate as intended.

Features

  • Comprehensive Assertions: Offers a wide range of assertions like checked(), className(), and disabled() to thoroughly test component states.
  • Compatibility with Rendering Strategies: Works seamlessly with different Enzyme rendering methods such as shallow, mount, and render for versatile testing options.
  • Custom Debugging: Allows you to implement a custom debug function for richer output, which is beneficial for diagnosing assertion failures.
  • Integration with Chai.js: Supports the use of other Chai.js plugins, meaning you can extend your testing suite without conflicts.
  • Support for Various Node Checks: Assertions like contain() and descendants() empower you to examine the presence of nodes and their properties effectively.
  • Checks for Exact Matches: The exactly() assertion ensures precise validation by checking if a specified number of descendants are present.
  • Component State Validation: Features assertions like present() and blank() to verify if a component is rendered correctly and contains the expected data.