public void WhenTradeEventIsReceivedBiasRowIsRetrieivedAndBenchmarkWeightIsCalculatedAndBiasRowIsSaved()
{
int biasReportSessionId = 100;
string ticker = "A";
int tradeCount = 5;
var repository = Substitute.For<IBiasReportRepository>();
var existingBiasRow = new BiasRow {BiasSessionId = biasReportSessionId,TradeCount = 0, Ticker = "1"};
repository.GetBiasRow(biasReportSessionId, ticker).Returns(existingBiasRow);
var tradeEvent = new BiasTradeEvent { BiasSessionId = biasReportSessionId, Ticker = ticker, TradeAmount = tradeCount };
var service = new BiasReportService(repository);
service.UpdateTradeRow(tradeEvent);
repository.Received().SaveBiasRow(existingBiasRow);
Assert.That(existingBiasRow.TradeCount,Is.EqualTo(5));
Assert.That(existingBiasRow.BenchmarkWeight, Is.EqualTo(tradeCount * .02m));
}
public void SaveBiasRow(BiasRow biasRow)
{
//not needed as everything is in memory.
}