sinon

JavaScript test spies, stubs and mocks.

v21.0.0 URL: https://unpkg.com/sinon@21.0.0/lib/sinon.js

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sinon test testing unit stub spy fake time clock mock xhr assert

axios-mock-adapter

Axios adapter that allows to easily mock requests

v2.1.0 URL: https://unpkg.com/axios-mock-adapter@2.1.0/src/index.js

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axios test mock request stub adapter

fetch-mock

Mock http requests made using fetch

v12.5.3 URL: https://unpkg.com/fetch-mock@12.5.3/dist/cjs/index.js

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fetch http mock testing spy stub

node-mocks-http

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

v1.17.2 URL: https://unpkg.com/node-mocks-http@1.17.2/lib/http-mock.js

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mock stub dummy nodejs js testing test http http mock

proxyquire

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

v2.1.3 URL: https://unpkg.com/proxyquire@2.1.3/index.js

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require dependency injection di inject swap test mock stub