public void FindStockFileName()
{
IFileRepository repository = new FileStockRepository(repositoryDir);
Assert.AreEqual("stock123.txt", repository.StockFileName(123));
hp.Id = 456;
Assert.AreEqual("stock456.txt", repository.StockFileName(hp));
}
public void CanSaveStockWritesToFile()
{
IFileRepository repository = new FileStockRepository(repositoryDir);
repository.SaveStock(yhoo);
Assert.IsFalse(yhoo.Id == 0);
FileInfo fileYhoo = new FileInfo(repositoryDir + repository.StockFileName(yhoo));
Assert.IsTrue(fileYhoo.Exists);
}