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 directly on iOS simulators and Android emulators where native modules are fully available without mocking.
Quick integration
Add to existing projects with straightforward configuration steps, TypeScript support and CI/CD compatibility.
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