public void SucessfullyBarterWithInsufficientBarterButEnoughToGetSomething()
{
MarketMock.Setup(x => x.GetPrice(JobInput.Object))
.Returns(20);
JobInputs.SetProductAmount(JobInput.Object, 6);
var changeRet = new ProductAmountCollection();
changeRet.SetProductAmount(JobInput.Object, 5);
// Setup Market Change for price.
MarketMock.Setup(x => x.ChangeForPrice(JobInputs, 100))
.Returns(changeRet);
// Add Storage and ForSale
sut.Storage.AddProducts(LifeNeed.Object, 1);
sut.ForSale.AddProducts(LifeNeed.Object, 1);
// Barter 1 LifeNeed for 1 JobInput.
var result = sut.BarterGood(JobInputs, LifeNeed.Object, 2, MarketMock.Object);
// check transaction
AssertProductAmountIsEqual(result, LifeNeed, 1);
AssertProductAmountIsEqual(result, JobInput, -5);
// Ensure no change in storage or for sale
AssertProductAmountIsEqual(sut.Storage, LifeNeed, 1);
AssertProductAmountIsEqual(sut.ForSale, LifeNeed, 1);
// Ensure that receipt doesn't go above storage or ForSale
Assert.That(sut.Storage.GetProductValue(LifeNeed.Object),
Is.GreaterThanOrEqualTo(result.GetProductValue(LifeNeed.Object)));
Assert.That(sut.ForSale.GetProductValue(LifeNeed.Object),
Is.GreaterThanOrEqualTo(result.GetProductValue(LifeNeed.Object)));
}
/// <summary>
/// Consumes the given set of goods.
/// </summary>
/// <param name="goods">The goods to attempt to consume.</param>
/// <param name="satisfaction">The satisfaction we'll be filling out as we go.</param>
/// <returns>The change in products stored.</returns>
private IProductAmountCollection ConsumeGoods(IProductAmountCollection goods,
IProductAmountCollection satisfaction)
{
var result = new ProductAmountCollection();
// for each good to consume.
foreach (var pair in goods)
{
// Get the item and amount of the person.
var product = pair.Item1;
var amount = pair.Item2;
// Assume All items being consumed are in storage already,
// if they aren't we have a consistency problem.
// get the satisfaction, capping it at 1.
var sat = Math.Min(1, Storage.GetProductValue(product) / amount);
// If satisfaction can't be met, subtract what you can.
if (sat < 1)
{
result.SubtractProducts(product,
Storage.GetProductValue(product));
Storage.SubtractProducts(product,
Storage.GetProductValue(product));
}
else // If greater than 1, then substract everything needed.
{
result.SubtractProducts(product, amount);
Storage.SubtractProducts(product, amount);
}
// Finally, set it's satisfaction.
satisfaction.SetProductAmount(product, sat);
}
// Return change in products stored.
return(result);
}