Tooling: Testing
Tooling: Testing State Machines
Learn how to test XState machines in isolation and in integration with UI frameworks.
Overview
State machines are inherently testable — you send events and assert the resulting state. No mocking, no DOM, no async setup needed.
Key Concepts
Unit testing machines: events in, states out
Testing guards and actions
Integration testing with React Testing Library
Visual regression with statecharts
Prerequisites
Related Pages
XState + React — React testing
XState v5 — Latest testing APIs
DevTools — Debugging machines
TODO
Add full testing guide with Vitest
Add snapshot testing for machines
Add E2E testing patterns
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