public void AmazonAnalyticsService_GetAverageOrderAmount_ShouldReturnAvgAmount()
{
var items = Enumerable.Range(0, 10).Select(i => new AmazonOrder()
{
OrderTotalAmount = Decimal.Parse("0.5"),
NumberOfItemsShipped = 1,
NumberOfItemsUnshipped = 0,
PurchaseDate = CurrentRequestData.Now.Date.AddDays(i),
CreatedOn = CurrentRequestData.Now.Date.AddDays(i),
Site = CurrentRequestData.CurrentSite
}).ToList();
Session.Transact(session => items.ForEach(item => session.Save(item)));
var results = _amazonAnalyticsService.GetAverageOrderAmount(CurrentRequestData.Now.Date.AddDays(-20),
CurrentRequestData.Now.Date.AddDays(20));
results.Should().Be(Double.Parse("0.5"));
}