def test_e_power_x_zero_exp(self):
"When the input is zero"
obj_exp = ScientificCalc()
self.assertEqual(obj_exp.exponential_func(0), 2.71828182846 ** 0)
def test_e_power_x_try_except(self):
"Test case for try and except"
obj_exp = ScientificCalc()
self.assertEqual(obj_exp.exponential_func('accenture'),
"Please enter float or integer types input.")
def test_e_power_x_negative_exp(self):
"When the input is negative integer"
obj_exp = ScientificCalc()
self.assertEqual(obj_exp.exponential_func(-2), 2.71828182846 ** -2)
def test_e_power_x_neg_decimal_exp(self):
"When the input is negative decimal"
obj_exp = ScientificCalc()
self.assertEqual(obj_exp.exponential_func(-8.6), 2.71828182846 ** -8.6)