public void GetCalculator_UnknownPassed_ReturnsNull()
{
var factory = new ParkingChargeCalculatorFactory();
var result = factory.GetCalculator(ParkingChargeType.Unknown);
Assert.IsNull(result);
}
public void GetCalculator_LongPassed_ReturnsLongStayCalculator()
{
var factory = new ParkingChargeCalculatorFactory();
var result = factory.GetCalculator(ParkingChargeType.LongStay);
Assert.IsInstanceOfType(result, typeof(LongStayParkingChargeCalculator));
}
public void Resolving_IParkingChargeCalculator_from_the_ParkingChargeCalculatorsFactory_with_unconfigured_ChargeType_throws_NotImplementedException()
{
var serviceProviderMock = new Mock <IServiceProvider>();
var factory = new ParkingChargeCalculatorFactory(serviceProviderMock.Object);
var invalidChargeType = (ChargeType)Enum.Parse(typeof(ChargeType), "-1");
factory.Invoking(f => f.ResolveCalculator(invalidChargeType))
.Should()
.Throw <NotImplementedException>();
}
public void Resolving_IParkingChargeCalculator_from_the_ParkingChargeCalculatorsFactory_works_for_configured_ChargeTypes(ChargeType chargeType)
{
var serviceProviderMock = new Mock <IServiceProvider>();
serviceProviderMock.Setup(sp => sp.GetService(typeof(ShortStayParkingChargeCalculator))).Returns(new ShortStayParkingChargeCalculator());
serviceProviderMock.Setup(sp => sp.GetService(typeof(LongStayParkingChargeCalculator))).Returns(new LongStayParkingChargeCalculator());
var factory = new ParkingChargeCalculatorFactory(serviceProviderMock.Object);
var chargeTypeCalculator = factory.ResolveCalculator(chargeType);
chargeTypeCalculator.Should().NotBeNull();
chargeTypeCalculator.ChargeType.Should().Be(chargeType);
}
