Setup Detox e2e test in a basic React-native app

Create a basic react native app

Run the following command :

npx react-native init <project_name>
Add any baisc header, button or input text box in App.js
To run your app in iOS/ Android emulator, Run command :

npm run ios / npm run android

Install detox and jest dependencies

npm install -D detox
npm install -D jest

Initiate detox setup using below command :

npx detox init -r jest

This would have added detoxrc.json file and e2e folder.

Configure iOS and Android setup for Detox

For Detox iOS configuration , refer Setup for iOS
For Detox Android configuration , refer Setup for Android

Build and Run Detox tests

To start metro server, Run command:

npm run start

To build and run tests in android emulator:

npm run build-android
npm run run-android

To build and run tests in iOS simulator:

npm run build-ios
npm run run-ios