Axios adapter that allows to easily mock requests

Insomnia Mockbin is the underlying backend for the API mocks capability of Insomnia. It is built and used by Kong, the author of the open-source Kong Gateway.

Over the wire test doubles

A minimal test double library for TDD with JavaScript

Javascript mocking library for WebSockets and Socket.IO

GraphQL fragments made simple ⚡️

Seamless client side mocking

Declarative mocks for React state and global APIs

Firebase mock library for writing unit tests

Emulates ioredis by performing all operations in-memory.

Build a fake backend by providing the content of JSON files or JavaScript objects through configurable routes.

JavaScript Mocking Fundamentals on TestingJavaScript.com

Some examples on how to achieve the same goal with either of both libraries: sinon and jest. Also some of those goals achievable only by one of these tools.

一个基于 express 的工具。它可以快速生成 api 以及创造数据，开箱即用，便于部署。A framework based on Express. It can quickly generate APIs and create data, ready for deployment out of the box.

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ESM import and globals mocking for unit tests

Forked from Mockjs, Generate random data & Intercept ajax request. Support miniprogram.

✨ Scenario-based HTTP mocking

A mock server based in OpenAPI Specification

Node require wrapper with options for cache busting, pre- and post-processing