MerchantryTidbits

frontend-tooling / library

Mock Service Worker

Capability: Mock Service Worker

Use it when

  • mock network requests at the service-worker boundary in UI tests
  • reproduce backend success and failure states without changing application code

What it solves

Not the fit when

  • mocks can drift unless checked against the real API

Install

npm install --save-dev msw

Invoke

Define request handlers, start the browser worker or Node server in test setup, and override handlers for loading, error, and edge cases.

Alternatives

No reviewed alternatives recorded yet.