Android
Koin Testing Guide: koin-test, Module Declarations in Tests, checkModules & Mock Injection
Koin is the lightweight dependency injection framework that dominates Android Kotlin projects. Unlike Dagger/Hilt which uses code generation, Koin operates at runtime—which means misconfigured modules fail at startup rather than compile time. Testing your Koin setup properly catches these failures before they hit production. Why Koin Testing Matters