public void AddsHistoricPriceWhenPriceIsNew()
{
//// SETUP
// Test Data
var price1 = new HistoricPrice { Date = DateTime.Parse("1/1/2000") };
var price2 = new HistoricPrice { Date = DateTime.Parse("1/2/2000") };
var price3 = new HistoricPrice { Date = DateTime.Parse("1/3/2000") };
// Setup target
var target = new Stock { Ticker = "FLWS", CompanyName = "1-800 FLOWERS.COM" };
// EXECUTE (3 times)
var actual1 = target.AddHistoricPrice(price1);
var actual2 = target.AddHistoricPrice(price2);
var actual3 = target.AddHistoricPrice(price3);
//// VERIFY
Assert.AreEqual(3, target.PriceHistory.Count);
// Price 1
Assert.True(actual1);
Assert.True(target.PriceHistory.Contains(price1));
Assert.AreSame(target, price1.Stock);
// Price 2
Assert.True(actual2);
Assert.True(target.PriceHistory.Contains(price2));
Assert.AreSame(target, price2.Stock);
// Price 3
Assert.True(actual3);
Assert.True(target.PriceHistory.Contains(price3));
Assert.AreSame(target, price2.Stock);
}
public void DoesNotAddHistoricPriceWhenPriceIsPreexisting()
{
//// SETUP
// Test Data
var price = new HistoricPrice { Date = DateTime.Parse("1/1/2000") };
var duplicatePrice = new HistoricPrice { Date = DateTime.Parse("1/1/2000") };
// Setup target
var target = new Stock { Ticker = "FLWS", CompanyName = "1-800 FLOWERS.COM" };
// EXECUTE (twice)
var initialActual = target.AddHistoricPrice(price);
var duplicateActual = target.AddHistoricPrice(duplicatePrice);
//// VERIFY
Assert.AreEqual(1, target.PriceHistory.Count);
// Initial (Should have succeeded)
Assert.True(initialActual);
Assert.True(target.PriceHistory.Contains(price));
Assert.AreSame(target, price.Stock);
// Duplicate (Should have failed)
Assert.False(duplicateActual);
Assert.Null(duplicatePrice.Stock);
}
