public void PortfolioBuilder_ExpectedDerivedPortfolio()
{
var toBuyAmount = 2000m;
var(currentStocks, bvbStocks, _) = TestResources.ReadStocks();
var strategy =
new MinOrderValueCutOffStrategy(
new FollowTargetAdjustmentStrategy(), MIN_ORDER_VALUE / toBuyAmount);
var portfolio = new PortfolioBuilder()
.UseStocks(currentStocks)
.UsePrices(bvbStocks.AsStockPrices())
.UseTargetWeights(bvbStocks.AsStockWeights())
.UseToBuyAmount(toBuyAmount)
.UseMinOrderValue(MIN_ORDER_VALUE)
.UseWeightAdjustmentStrategy(strategy)
.Build();
var toBuyStocks = portfolio.DeriveToBuyStocks(currentStocks);
var investedAmount = toBuyStocks.Sum(s => s.Count * s.Price);
Assert.IsTrue((toBuyAmount / investedAmount).IsApproxOne());
}