import unittest
from src.utils.health_calculator import calculate_health

class TestHealthCalculator(unittest.TestCase):

    def test_calculate_health(self):
        # Test case for a healthy battery
        current_measurements = [0.5, 0.5, 0.5]  # Example current measurements
        expected_health = 100  # Expected health percentage
        self.assertEqual(calculate_health(current_measurements), expected_health)

    def test_calculate_health_low_capacity(self):
        # Test case for a battery with low capacity
        current_measurements = [0.1, 0.1, 0.1]  # Example current measurements
        expected_health = 20  # Expected health percentage
        self.assertEqual(calculate_health(current_measurements), expected_health)

    def test_calculate_health_empty_measurements(self):
        # Test case for empty measurements
        current_measurements = []
        expected_health = 0  # Expected health percentage
        self.assertEqual(calculate_health(current_measurements), expected_health)

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