Additional test matchers

Write useful test matchers compatible with Jest and Jasmine.

Custom test matchers for asserting @praha/byethrow Result types.

You can use test matchers for react-performance-testing

Test matchers for any Standard Schema (Zod, Valibot, Arktype, and more). Vitest's toMatchSchema and friends.

Jasmine matchers that JSDoc uses in its tests.

Vite test matchers for Tevm or EVM-related testing in TypeScript.

Matches strings against configurable strings, globs, regular expressions, and/or functions

Comprehensive Playwright test matchers for strings, numbers, dates, arrays, objects, and locators. Simplify your E2E tests with intuitive assertions like toBeAlphanumeric, toHaveAscendingOrder, toBeInTheFuture, and 50+ more matchers.

Custom test matchers for Whisker Editor

Jest's expect matchers as a Chai plugin

The core engine of GestureEvents, a modern and robust multi-pointer gesture detection library for JavaScript.

Additional Jest matchers

Custom Vitest matcher for testing accessibility with aXe. Forked from jest-axe.

Custom Jest matchers for AWS SDK v3 Client mock

WebdriverIO Assertion Library

Unified test matchers for ZeroThrow Result types - supports Jest and Vitest

This package extends `expect` library with `jest-snapshot` matchers. It exports `jestExpect` object, which can be used as standalone replacement of `expect`.

Custom test matchers for CBOR data structures

Custom Vitest matchers to test the state of the DOM, forked from jest-dom.