Mocking

Auto mock all localstorage and sessionstorage APIs for your Jest tests

TypeScript definitions for ioredis-mock

Mocking library for TypeScript

Functions to mock the JavaScript aws-sdk

JSON-Schema + fake data generators

Mock STDIN file descriptor in Node.js

mock stdout and stderr

Simple, intuitive mocking of Node.js modules.

🌗 A module used to mock canvas in Vitest.

All the Fake Data for All Your Real Needs

A library for setting up JavaScript factories to help build objects as test data, with full TypeScript support

Easy testing of time-dependent code.

TypeScript definitions for mock-fs

Super Simple, Yet Powerful, TypeScript Library for Creating Mocks. Mockingbird allows you to create class mocks like a breeze with a simple yet powerful @Mock decorator

TypeScript definitions for fetch-mock

Type safe mocking extensions for vitest, forked from jest-mock-extended

Super Simple, Yet Powerful, TypeScript Library for Creating Mocks. Mockingbird allows you to create class mocks like a breeze with a simple yet powerful @Mock decorator

A swagger client generator for typescript

Utility for mocking XMLHttpRequest.

A lightweight Jest mock for unit testing Express

Low-level HTTP/HTTPS/XHR request interception library for NodeJS

XMLHttpRequest mock for testing

Fake data generator

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

AngularJS mocks for testing

Library to help unit testing when using apollo-client

REST API Testing Tool for all levels in a Test Pyramid

A storybook addon to mock fetch/XHR request

[](https://badge.fury.io/js/orval) [](https://opensource.org/licenses/MIT) [![tests](https://github.com/orval-labs/orval/actions/workflow

Simplifying the use of mocks with Node.js

Jest wrapper for fetch-mock, a comprehensive stub for fetch

Filter out unwanted `console.log()` output

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

Mock websockets and assert complex websocket interactions with Jest

fetch mock for vitest

Axios mock for Jest

Spies for the Chai assertion library.

Redis client mock object for unit testing

A Location class that implements the Location interface of the Web API.

A mock backend for testing React DnD apps

Core of @pact-foundation/pact. You almost certainly don't want to depend on this directly.

Mock HTTP server for testing HTTP clients and stubbing webservices

A set of tools for emulating browser behavior in jsdom environment

Jest hooks for JSDOM location mock

Simple and straightforward mock for Vuex v3.x Store

tap plugin adding t.mockRequire() and t.mockImport()

A minimal test double library for TDD with JavaScript

Easily unit test LaunchDarkly feature flagged components with jest

Mock axios requests for testing

[](https://www.npmjs.com/package/@googlemaps/jest-mocks)  ![Release](https://github.com/googlemaps/js-jest-mocks/workf