Mock dependency for KALM dependency resolution testing.

Mock a canvas in your jest tests.

Given an object and a property, replaces a property descriptor (or deletes it), and returns a thunk to restore it.

Mock `window.Date` when run unit test cases with jest. Make tests of `Date` easier.

Seamless REST/GraphQL API mocking library for browser and Node.js.

Easy and powerful mocking of AWS SDK v3 Clients

Axios adapter that allows to easily mock requests

fetch mock for jest

A Mock API for AWS Kinesis

Easy as pie nodemailer mock for unit testing your Node.js applications.

Auto mock all localstorage and sessionstorage APIs for your Jest tests

OAuth2 and OpenID Connect mock server for automated testing and development. Issues cryptographically signed JWTs via JWK key pairs. OIDC-conformant, exposes discovery, JWKS, authorization, token, userinfo, introspection, revocation, and end-session endpo

Mock websockets and assert complex websocket interactions with Vitest

**Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).

Lightweight Jest compatible spy implementation

This library emulates ioredis by performing all operations in-memory.

Standalone CLI for deterministic messaging provider E2E tests

Zod auto-mock object generator using Faker at @faker-js/faker

Mock dependency for KALM dependency resolution testing.

Mock for fully testing any media queries with Jest