import unittest
from calculator import BaseCalculator, AdvancedCalculator

class TestCalculator(unittest.TestCase):
    def test_base_calc(self):
        self.assertEqual(BaseCalculator.add(2, 3), 5)
        self.assertEqual(BaseCalculator.divide(10, 2), 5)
        with self.assertRaises(ZeroDivisionError):
            BaseCalculator.divide(10, 0)

    def test_advanced_calc(self):
        self.assertEqual(AdvancedCalculator.power(2, 3), 8)
        self.assertEqual(AdvancedCalculator.sqrt(16), 4)
        self.assertEqual(AdvancedCalculator.factorial(5), 120)
        self.assertTrue(AdvancedCalculator.is_prime(13))

if __name__ == "__main__":
    unittest.main()