def test_math_mean(self): self.assertEqual(Math.mean([4, 5, None, 3]), 4) self.assertEqual(Math.mean([None]), 0) self.assertEqual(Math.mean([3, 4]), 3.5)
def test_mean_single_value(self): data = [10] actual = Math.mean(data) self.assertEqual(data[0], actual)
def test_mean_multi_value_with_null(self): data = [10, 20, None, 30, 40, 50] actual = Math.mean(data) self.assertEqual(30, actual)