Comprehensive mobile app testing strategies for iOS and Android. Covers unit tests, UI tests, integration tests, performance testing, and test automation with Detox, Appium, and XCTest.

Mobile App Testing Table of Contents [Overview]( overview) [When to Use]( when to use) [Quick Start]( quick start) [Reference Guides]( reference guides) [Best Practices]( best practices) Overview Implement comprehensive testing strategies for mobile applications including unit tests, UI tests, integration tests, and performance testing. When to Use Creating reliable mobile applications with test coverage Automating UI testing across iOS and Android Performance testing and optimization Integration testing with backend services Regression testing before releases Quick Start Minimal working example: Reference Guides Detailed implementations in the references/ directory: Guide Contents [React Native Testing with Jest & Detox](references/react native testing with jest detox.md) React Native Testing with Jest & Detox [iOS Testing with XCTest](references/ios testing with xctest.md) iOS Testing with XCTest [Android Testing with Espresso](references/android testing with espresso.md) Android Testing with Espresso [Performance Testing](references/performance testing.md) Performance Testing Best Practices ✅ DO Write tests for business logic first Use dependency injection for testability Mock external API calls Test both success and failure paths Automate UI testing for critical flows Run tests on real devices Measure performance on target devices Keep tests isolated and independent Use meaningful test names Maintain 80% code coverage ❌ DON'T Skip testing UI critical flows Use hardcoded test data Ignore performance regressions Test implementation details Make tests flaky or unreliable Skip testing on actual devices Ignore accessibility testing Create interdependent tests Test without mocking APIs Deploy untested code

mobile-app-testing