React Native

Test Automation

Testing NativeWind v4: className Assertions, Dark Mode, and Responsive Breakpoints

NativeWind v4 brings Tailwind CSS utility classes to React Native using a compiler that converts className strings into StyleSheet-compatible styles.

Test Automation

Testing React Native New Architecture: Fabric, JSI, and TurboModules

React Native's New Architecture — Fabric renderer, JSI (JavaScript Interface), and TurboModules — changes how native modules communicate with JavaScript.

Test Automation

Expo Router Testing Guide: Typed Routes, Layouts, Tabs, and Modals with Jest

Expo Router brings file-based routing to React Native with full TypeScript support.

Testing

Maestro Mobile UI Testing: YAML Flows, Device Farms, and CI Integration

Maestro takes a different approach to mobile UI testing than most frameworks. Instead of writing JavaScript or Python test code, you define flows in YAML.

Testing

Mobile E2E Testing in CI: GitHub Actions, Detox, Maestro, and Emulator Setup

Running mobile E2E tests locally is one thing. Getting them to run reliably in CI is another problem entirely.

Testing

Detox End-to-End Testing for React Native

End-to-end testing for React Native apps has historically been painful.

Testing

Detox vs Maestro: React Native E2E Testing Tool Comparison 2025

If you're building a React Native app and need E2E tests, you'll eventually choose between Detox and Maestro.

Testing

React Native Accessibility Testing: axe-core, jest-axe, and Detox

React Native gives you one codebase that runs on iOS and Android, but accessibility is one area where the platforms diverge significantly.

Testing

KMP vs React Native vs Flutter: Testing Comparison

Choosing a cross-platform mobile framework is partly a testing decision.

Testing

Detox CI/CD: Running React Native E2E Tests on GitHub Actions

Running Detox tests locally is one thing. Getting them running reliably in CI is another.

Testing

React Native Unit Testing with Jest: Components, Hooks, and Navigation

Unit tests are the foundation of a React Native test strategy. They run fast, give immediate feedback, and catch logic errors long before they reach a device or simulator. Yet many React Native teams skip them or write tests that test nothing meaningful. This guide covers the practical patterns you

Testing

Mocking Native Modules in React Native Tests

Native modules are the bridge between your JavaScript code and platform APIs — camera, geolocation, biometrics, push notifications, Bluetooth.