public void Calculate_IfBasicTariff_ConsumptionIsCorrect_ExpectedResult(int consumption, int expectedResult)
{
BasicTariffProductSetUp();
_product.Calculate(consumption);
Assert.Equal(expectedResult, _product.Payment);
Assert.Equal(ProductContants.BasicTarrifProductName, _product.Name);
}
public void Calculate_IfBaseTariff_BaseMonthCostCloseToMaxInt_ThrowOverflowException(int baseCost, int consumption)
{
var validator = new TariffCalculationSettingsValidator();
var settings = new TariffCalculationSettings(baseMonthCost: baseCost);
_productFactory = new ElectricityProductFactory(validator);
_product = _productFactory.Create(settings, TariffType.Base).FirstOrDefault();
Assert.Throws <OverflowException>(() => _product.Calculate(consumption));
}