public void SimpleSalesHistoryActualPriceTest()
{
var history = new SimpleSalesHistory(defaultPrices);
// 0 day
var expected0DayPrice = DEFAULT_GRAIN_PRICE;
var actual0DayPrice = history.GetActualPrice(grain);
Assert.AreEqual(expected0DayPrice, actual0DayPrice);
// 1st day
history.AddTodaySaleData(grain, 3, 9.0M);
var expected1stDayPrice = 9.0M;
var actual1stDayPrice = history.GetActualPrice(grain);
Assert.AreEqual(expected1stDayPrice, actual1stDayPrice);
// 2nd day
counter.IncrementCounter();
history.AddTodaySaleData(grain, 3, 15.0M);
history.AddTodaySaleData(grain, 1, 25.0M);
var expected2ndDayPrice = (15.0M + 25.0M) / (2);
var actual2ndDayPrice = history.GetActualPrice(grain);
Assert.AreEqual(expected2ndDayPrice, actual2ndDayPrice);
// 3rd day // no transactions added // should return last price
counter.IncrementCounter();
Assert.AreEqual(expected2ndDayPrice, actual2ndDayPrice);
}
public void SimpleSalesHistoryTest()
{
var history = new SimpleSalesHistory(defaultPrices);
// 1st day
history.AddTodaySaleData(grain, 3, 9.0M);
var expected1stDayPrice = 9.0M;
var actual1stDayPrice = history.GetAverageSellPrice(grain, 1);
Assert.IsTrue(actual1stDayPrice.HasValue);
Assert.AreEqual(expected1stDayPrice, actual1stDayPrice.Value);
// 2nd day
counter.IncrementCounter();
history.AddTodaySaleData(grain, 3, 15.0M);
history.AddTodaySaleData(grain, 1, 25.0M);
var expected2ndDayPrice = (15.0M * 3 + 25.0M * 1) / (1 + 3);
var actual2ndDayPrice = history.GetAverageSellPrice(grain, 2);
Assert.IsTrue(actual2ndDayPrice.HasValue);
Assert.AreEqual(expected2ndDayPrice, actual2ndDayPrice.Value);
// 3rd day // no transactions added
counter.IncrementCounter();
Assert.IsNull(history.GetAverageSellPrice(grain, 3));
}