public void ShouldThrowExceptionIfNoParcelTypeWouldFit()
{
var input = new ParcelInput(10, 0, 0, 0);
var types = new[] { new ParcelSpecification("Small", 1, 0, 1, 0) };
Assert.Throws <NoSuitableParcelTypeException>(() => new ParcelPicker(types).Pick(input));
}
public void ShouldPickCorrectSizeParcel(int x, int y, int z, int weight, string expectedType)
{
var input = new ParcelInput(x, y, z, weight);
var parcelType = new ParcelPicker(ParcelTestData.ParcelTypes).Pick(input);
Assert.Equal(expectedType, parcelType.Name);
}
public void ParcelTypesShouldBeOrderedByPrice()
{
var input = new ParcelInput(5, 0, 0, 0);
var types = new[]
{
new ParcelSpecification("Small $2", 10, 0, 2, 0),
new ParcelSpecification("Small $1", 10, 0, 1, 0)
};
var parcelType = new ParcelPicker(types).Pick(input);
Assert.Equal("Small $1", parcelType.Name);
}
public static decimal CalculatePrice(this ParcelSpecification spec, ParcelInput input)
{
var basePrice = spec.Price;
var weightSurcharge = 0;
if (input.Weight > spec.MaxWeight)
{
weightSurcharge = (input.Weight - spec.MaxWeight) * spec.WeightSurcharge;
}
return(basePrice + weightSurcharge);
}
public static bool WouldFit(this ParcelSpecification parcelType, ParcelInput input)
{
if (input.X >= parcelType.MaxDimension)
{
return(false);
}
if (input.Y >= parcelType.MaxDimension)
{
return(false);
}
if (input.Z >= parcelType.MaxDimension)
{
return(false);
}
return(true);
}
