Isomorphic WebSockets in Node, Bun, Deno and Cloudflare Workers

A SOCKS proxy `http.Agent` implementation for HTTP and HTTPS

Auto mock all localstorage and sessionstorage APIs for your Vitest tests

Configurable OAuth2/OpenID Connect server for automated testing and development purposes

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

Vitest wrapper for fetch-mock

Auto mock all localstorage and sessionstorage APIs for your Jest tests

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Easily test your components by mocking the router

An HTTP(s) proxy `http.Agent` implementation for HTTPS

Mock localStorage for headless unit tests

Easily unit test LaunchDarkly feature flagged components with Vitest

jest wrapper for fetch-mock

a knex mock adapter for simulating a db during testing

Intuitive mocking for Typescript class imports

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 19 20

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

Mock STDIN file descriptor in Node.js

Mock harness simulator for testing adapters adapters — simulates claude-code, codex, and other CLI harnesses

Utility for mocking XMLHttpRequest.