mnemo_cards/mnemo_cards_backend/test/database/database_test.dart

import 'package:test/test.dart';
import 'package:mnemo_cards_backend/database/database.dart';

void main() {
  group('Database Schema Tests', () {
    test('AppDatabase can be instantiated', () {
      // This test verifies that the database class can be created
      // Actual connection will be tested with real PostgreSQL instance
      expect(() => AppDatabase.connect(
        host: 'localhost',
        port: 5432,
        database: 'test_db',
        username: 'test_user',
        password: 'test_pass',
      ), returnsNormally);
    });

    test('All tables are registered', () {
      // Verify that all expected tables are in the database
      final db = AppDatabase.connect(
        host: 'localhost',
        port: 5432,
        database: 'test_db',
        username: 'test_user',
        password: 'test_pass',
      );
      
      // Check that DAOs are available
      expect(db.userDao, isNotNull);
      expect(db.packDao, isNotNull);
      expect(db.testDao, isNotNull);
      expect(db.paymentDao, isNotNull);
      expect(db.subscriptionDao, isNotNull);
      expect(db.taskDao, isNotNull);
      expect(db.promoCodeDao, isNotNull);
      expect(db.discountDao, isNotNull);
      expect(db.statisticsDao, isNotNull);
    });
  });
}