def test_calculator_return_difference(self): calculator = Calculator() result = calculator.difference(1, 2) self.assertEqual(-1, result)
def test_calculator_access_difference_result(self): calculator = Calculator() calculator.difference(1, 2) self.assertEqual(-1, calculator.Result)
def test_multiple_calculators(self): calculator1 = Calculator() calculator2 = Calculator() calculator3 = Calculator() calculator3.sum(calculator1.sum(1, 2), calculator2.difference(3, 4)) self.assertEqual(2, calculator3.Result)