Serenity/JS universal assertion library supporting all types of functional tests, including both web and REST API scenarios
BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
A collection of assertions for test and production code alike.
A high-level API to automate web browsers
Expectations and assertions for HTTP scenarios
A high-level API to automate web browsers
Disallow type assertions in TypeScript code
A JSON matcher for chai
A Node.js PostgreSQL client with strict types, detailed logging and assertions.
jQuery assertions for the Chai assertion library
Minimal web-style fetch TypeScript typings
A biome plugin that disallows type assertions in TypeScript code.
Test your LLM prompts like you test your code. Assertions, semantic similarity, and multi-provider testing for Vitest, Jest, and any test runner.
A set of helpers for testing Effects with vitest
Easily add custom assertions to your Ember test suite
Types and related utilities for TypeScript
Assertions to test your TypeScript types.
OpenAPI Assertions plugin for Japa
A JSON schema validator that will run on Cloudflare workers. Supports drafts 4, 7, 2019-09, and 2020-12.
Chai assertions for comparing arbitrary-precision decimals using the bignumber.js library
Dead simple Object schema validation
Test framework for CLI utilities
Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.
Babel plugin for unassert: Encourages programming with assertions by providing tools to compile them away