Comprehensive solution for partial mocking

The industry standard for API mocking in JavaScript.

Easy and powerful mocking of AWS SDK v3 Clients

Mock AWS S3 SDK for Node.js

Mock a canvas in your jest tests.

Mocking framework

Axios adapter that allows to easily mock requests

A Mock API for AWS Kinesis

fetch mock for jest

Lightweight Jest compatible spy implementation

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

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

Parse partial JSON generated by LLM

Mock http requests made using fetch

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

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

A lightweight Jest mock for unit testing Express

Caching mock fetch implementation for all runtimes and frameworks.

A configurable mock file system. You know, for testing.

fetch mock for vitest