public void GetIndexNotExist()
{
_driver.Exists(Arg.Is(XmlStorageIndex.IndexName)).Returns(false);
var x = new XmlStorageIndex(_driver);
Assert.AreEqual(x.Count(), 0);
}
private T Read <T>(StorageItem item) where T : class
{
item = _index.Get(item);
if (item != null && _driver.Exists(item.FileName))
{
return(BinarySerealizer.Load <T>(_driver.Read(item.FileName)));
}
return(null);
}
public void ReadFileNotExist()
{
_index.Get(Arg.Any <StorageItem>()).Returns(new StorageItem()
{
FileName = TestFileName
});
_driver.Exists(Arg.Is(TestFileName)).Returns(true);
_driver.Read(Arg.Any <string>()).Returns(x => Stream.Null);
var storage = new XmlStorage(_driver, _index);
Assert.DoesNotThrow(() => storage.Read <DataInfo>(TestFileName));
Assert.IsNull(storage.Read <DataInfo>(TestFileName));
_driver.Received(2).Read(Arg.Is(TestFileName));
}
private static StorageIndex GetIndex(IStorageDriver driver)
{
StorageIndex result = null;
if (driver.Exists(IndexName))
{
try
{
result = XmlClassSerializer.Load <StorageIndex>(driver.Read(IndexName));
}
catch (Exception)
{
//TODO: log exception
}
}
return(result ?? new StorageIndex {
Items = new List <StorageItem>()
});
}
public bool Exists(string name)
{
return(_driver.Exists(GetNameWithExtention(name)));
}