
Chai
Chai is a BDD/TDD assertion library compatible with JavaScript testing frameworks.

What is Chai?
Chai is a BDD/TDD assertion library for Node.js and the browser, often used alongside Mocha. It provides clean syntax that almost reads like English for developers to test applications from both behavioral and functional standpoints. Developers can extend Chai's stock testing assertions with interfaces and plugins to cover as many use cases as they need from its official plugin registry. Chai is chain agnostic.
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Chai alternatives
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

