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.

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

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

A Jest package for mocking mongoose models

A minimal fork of nanospy, with more features

JavaScript test spies, stubs and mocks.

an identity object using ES6 proxies

Fake XHR and server

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

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.

fetch mock for jest

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

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

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

Type safe mocking extensions for jest

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

A set of utils for faster development of GraphQL tools

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

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

Mock http requests made using fetch

A Mock API for AWS Kinesis

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

Mock API requests in Storybook with Mock Service Worker.

TypeScript definitions for redux-mock-store

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

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.

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.

Mock implementation of the Next.js Router

Testing module for Pinia

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

Easy dependency injection for node.js unit testing

Javascript mocking library for websockets and socket.io

Mock AWS S3 SDK for Node.js

Fake S3 server for node

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

A JavaScript library to mock the local timezone.

Functions to mock the JavaScript aws-sdk

Auto mock all localstorage and sessionstorage APIs for your Jest tests