Mocking

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

Delightful JavaScript Testing.

Delightful JavaScript Testing.

Delightful JavaScript Testing.

mocking, mock api requests for frontend & native developers, have local & remote mode.

In-memory file-system with Node's fs API.

A response-like object for mocking a Node.js HTTP response stream

A minimal fork of nanospy, with more features

A Jest package for mocking mongoose models

an identity object using ES6 proxies

JavaScript test spies, stubs and mocks.

Cypress is a next generation front end testing tool built for the modern web

Fake XHR and server

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

Low-level HTTP/HTTPS/XHR/fetch request interception library.

HTTP server mocking and expectations library for Node.js

Transform into a string with random capitalization applied

Mock a canvas in your jest tests.

Axios adapter that allows to easily mock requests

A JavaScript mock Date object that can be used to change when "now" is.

Mock 'http' objects for testing Express, Next.js and Koa routing functions

fetch mock for jest

A mock store for testing your redux async action creators and middleware

A mock abstract-leveldown implementation that queues operations while a real abstract-leveldown instance is being opened

Easy and powerful mocking of AWS SDK v3 Clients

Extends Chai with assertions for the Sinon.JS mocking framework.

Type safe mocking extensions for jest

A set of utils for faster development of GraphQL tools

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

Event Mocks is a simple library designed to generate simple AWS events for testing and automation purposes.

Mock http requests made using fetch

A Mock API for AWS Kinesis

Mock API requests in Storybook with Mock Service Worker.

Proxies nodejs require in order to allow overriding dependencies during testing.

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

TypeScript definitions for redux-mock-store

MongoDB Server for testing (core package, without autodownload). The server will allow you to connect your favourite ODM or client library to the MongoDB Server and run parallel integration tests isolated from each other.

A fully type safe mocking, call verification and import replacement library for jasmine and jest

Mock implementation of the Next.js Router

MongoDB Server for testing (auto-download latest version). The server will allow you to connect your favourite ODM or client library to the MongoDB Server and run parallel integration tests isolated from each other.

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

Testing module for Pinia

An Angular testing library for creating mock services, components, directives, pipes and modules in unit tests. It provides shallow rendering, precise stubs to fake child dependencies. ng-mocks works with Angular 5 6 7 8 9 10 11 12 13 14 15 16 17 18, jasm

Javascript mocking library for websockets and socket.io

A JavaScript library to mock the local timezone.

Fake S3 server for node

Mock AWS S3 SDK for Node.js

Easy dependency injection for node.js unit testing

Auto mock all localstorage and sessionstorage APIs for your Jest tests

Custom Jest matchers for AWS SDK v3 Client mock