public void CalculateCO2EmissionCost_HappyFlow(PowerplantType powerplantType, int powerProduced, decimal expextedCo2Cost)
        {
            //Arrange
            var powerplant = new PowerplantModel
            {
                P    = powerProduced,
                Type = powerplantType
            };

            var fuels = PowerplantFixture.BuildFuels();

            var sut = new RunningCostService();

            //Act
            sut.CalculateCO2EmissionCost(powerplant, fuels);

            //Assert
            Assert.Equal(expextedCo2Cost, powerplant.CO2CostEmission);
        }
        public void CalculateRunningCost_HappyFlow(PowerplantType powerplantType, int powerProduced, decimal co2CostEmmission, decimal efficiency, decimal expectedRunningCost)
        {
            //Arrange
            var powerplant = new PowerplantModel
            {
                P               = powerProduced,
                Type            = powerplantType,
                Efficiency      = efficiency,
                CO2CostEmission = co2CostEmmission
            };

            var fuels = PowerplantFixture.BuildFuels();

            var sut = new RunningCostService();

            //Act
            sut.CalculateRunningCost(powerplant, fuels);

            //Assert
            Assert.Equal(expectedRunningCost, powerplant.RunningCost);
        }