water-management-system/test/constants_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:water_management_system/utils/constants.dart';

void main() {
  group('AppConstants', () {
    test('should have correct API endpoints', () {
      expect(AppConstants.baseUrl, 'http://your-api-domain.com/api');
      expect(AppConstants.loginEndpoint, '/auth/login');
      expect(AppConstants.waterDataEndpoint, '/water/data');
    });
    test('should have correct storage keys', () {
      expect(AppConstants.tokenKey, 'auth_token');
      expect(AppConstants.userInfoKey, 'user_info');
    });
    test('should have 3 navigation tabs', () {
      expect(AppConstants.bottomNavTabs.length, 3);
    });
  });
}