public void CreateRepository()
{
IStockRepository repository;
repository = new FileStockRepository(repositoryDir);
Assert.IsTrue(repositoryDir.Exists);
}
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);
}
public void FindNextId()
{
IStockRepository repository = new FileStockRepository(repositoryDir);
long id1 = repository.NextId();
Assert.IsTrue(id1 != 0);
long id2 = repository.NextId();
Assert.IsTrue(id2 != 0);
Assert.IsTrue(id2 != id1);
}
public void CanClearRepository()
{
IStockRepository repository = new FileStockRepository(repositoryDir);
repository.SaveStock(yhoo);
repository.SaveStock(hp);
repository.Clear();
ICollection stocks;
stocks = repository.FindAllStocks();
Assert.AreEqual(0, stocks.Count);
}
public void CanSaveAndLoad()
{
IStockRepository repository = new FileStockRepository(repositoryDir);
repository.SaveStock(yhoo);
long id = yhoo.Id;
IStockRepository differentRepository = new FileStockRepository(repositoryDir);
Stock newYhoo = differentRepository.LoadStock(id);
Assert.AreEqual(yhoo, newYhoo);
}
public void CanSaveAfterChange()
{
IStockRepository repository = new FileStockRepository(repositoryDir);
repository.SaveStock(yhoo);
yhoo.NumShares = 120;
repository.SaveStock(yhoo);
IStockRepository newRepository = new FileStockRepository(repositoryDir);
Stock loaded = newRepository.LoadStock(yhoo.Id);
Assert.AreEqual(120, loaded.NumShares);
}
