Jest-compatible APIs
Write tests using familiar describe, it, expect, beforeEach, and afterEach syntax. No new testing patterns to learn.
Test Native Modules with JavaScript
Harness brings Jest-style tests to real native environments so you can test TurboModules like you would test your React Native app: with JavaScript.
Truly native environment
Execute tests on iOS simulators, Android emulators, or in a real browser (Web), with native modules available where the platform provides them.
Quick integration
Add to existing projects with straightforward configuration steps, TypeScript support and CI/CD compatibility.
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