Chai VS react-testing-library

Mocha as the test runner, Chai as the assertion library, and the Hardhat Chai Matchers to extend Chai with contracts-related functionality. - Source: dev.to / almost 2 years ago

Assertion library we used: Chai (comes with a lot of plugins worth exploring). - Source: dev.to / about 2 years ago

While this is fine and I could have perfectly moved all my tests to use said assertion style, I like the descriptive way Jest tests look like. As a quick way to maintain certain similarity I reached for ChaiJS, an assertion library that is mainly used with mocha. Chai offers expect like assertions that can arguably be more descriptive than Jest’s. Instead of writing expect(…).toBe(true), you’d write... - Source: dev.to / about 2 years ago

The library offers a BDD testing style and fully exploits javascript promises - the resulting tests are simple, clear and expressive. Chakram is built on node.js, mocha, chai and request. - Source: dev.to / almost 3 years ago

React Testing Library: provides utilities to make testing easier. - Source: dev.to / 25 days ago

Since we are testing the front-end, we will also rely on the React Testing Library, which provides support for rendering components and custom queries in the DOM. - Source: dev.to / about 1 month ago

It’s not to say 100% coverage is the way to go, but at least some functional testing with something like react-testing-library and cypress can save a lot of time. - Source: dev.to / 4 months ago

If you happen to be using React Testing Library in your project, you'll need to keep the jsdom dev dependency installed. - Source: dev.to / 5 months ago

Documentation: React Testing Library. - Source: dev.to / 7 months ago