Tooling: Testing

Tooling: Testing State Machines

Learn how to test XState machines in isolation and in integration with UI frameworks.

State machines are inherently testable — you send events and assert the resulting state. No mocking, no DOM, no async setup needed.

Unit testing machines: events in, states out

Testing guards and actions

Integration testing with React Testing Library

Visual regression with statecharts

XState + React — React testing

XState v5 — Latest testing APIs

DevTools — Debugging machines

Add full testing guide with Vitest

Add snapshot testing for machines

Add E2E testing patterns

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