Javascript mocking library for websockets and socket.io

Mock STDIN file descriptor in Node.js

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

Utility for mocking XMLHttpRequest.

Mock utility for the Elasticsearch's Node.js client

Mock a canvas in your vitest tests.

Mock for fully testing any media queries with Jest

The node core libs for in browser usage.

Generate random mock data from OpenAPI descriptions for msw.

Easy as pie nodemailer mock for unit testing your Node.js applications.

TypeScript definitions for mock-fs

Custom matchers for AWS SDK Client mock to be used in vitest

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

Nodejs library to mock express http request

mock window.matchMedia for tests or node

Intercept & mock http requests issued by XMLHttpRequest, fetch, nodejs https/http module, axios, jquery, superagent, ky, node-fetch, request, got or any other request libraries by intercepting XMLHttpRequest, fetch and nodejs native requests in low level.

Mock utility for the Elasticsearch's Node.js client

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Mock smart contracts in a smart way.

Mocking library for TypeScript