ESLint plugin for regular expression lookbehind assertions
Chai assertions for Node.js filesystem
Extends Chai with lint-friendly terminating assertions
file system assertions for chai
AI-powered visual assertions for E2E tests — send screenshots to Claude, GPT, or Gemini and get structured results
Playwright Test wrapper with Stably AI matchers
Tap plugin that adds a heaping pile of assertion methods. Pretty much all of the "test" methods other than `t.pass`, `t.fail`, and [snapshot methods](https://tapjs.github.io/tapjs/modules/_tapjs_snapshot.html) come from this plugin.
Bindings for RE2: fast, safe alternative to backtracking regular expression engines.
memlab is a framework that analyzes memory and finds memory leaks in JavaScript applications.
A CSV reporter for Newman.
Chai assertions for use with webdriverio
typesafe assertion library for TypeScript 3.7+
A machine-readable index of all EPSG coordinate systems.
Reporter for node:test that supports colorful diffs etc
A library for sending JSON RPC requests to Solana RPCs
fuzzy matchers for chai
Chai assertions for comparing arbitrary-precision decimals using the decimal.js library
Browserify transform for unassert: Encourages programming with assertions by providing tools to compile them away
Encourages programming with assertions by providing tools to compile them away
Simple assertion functions for testing.
Make accessibility-related assertions on React Native code using React Test Renderer
loads of useful assert functions in one package
Plugin for ChaiJS allows checking how many assertions, asserts or expects were run per each test
Sinon assertions for QUnit with custom messages support.