Enzyme

Judgement

What it is

Developer tool

What it does

A JavaScript testing utility for React that renders components and lets tests traverse and inspect their output with a jQuery-like API.

Adopt it when

You maintain an older React codebase whose tests are already written in Enzyme.

Watch out

There is no official adapter for React 18 or later and the project is effectively unmaintained, so use React Testing Library for new work.

Ready for

Usable

Runs as

Library

Built with

JavaScript and React

How established

Established: started 11 years ago, no tagged release yet.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Enzyme → V8 → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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