public void BinariesCanBeUpdated()
{
var id = _cache.Add(new BinaryStorageClass(), _bytes);
var details = _cache.Get(id);
details.NameTag = 100;
_cache.Update(details);
_cache.Dispose();
_cache = new BinariesCache(_data);
_cache.Open(_path);
Assert.That(_cache.Get(id).NameTag, Is.EqualTo(100));
}
public void SetUp()
{
_folder = new AutoKillFolder("TestBinariesCache", true);
Directory.CreateDirectory(_folder.Path);
_path = Path.Combine(_folder.Path, "test");
_data = new MockBinaryDataCache();
_cache = new BinariesCache(_data);
_cache.Create(_path);
var random = new Random();
_bytes = new byte[BinaryDataStorageClass.MaxBufferSize * 2];
random.NextBytes(_bytes);
}
public void BinariesAreLoadedOnOpen()
{
var ids = Enumerable.Range(0, 20).Select(i => Guid.NewGuid()).ToList();
foreach (var guid in ids)
{
_cache.Add(new BinaryStorageClass {
Id = guid
}, _bytes);
}
_cache.Dispose();
_cache = new BinariesCache(_data);
_cache.Open(_path);
Assert.That(_cache.Binaries.Select(b => b.Id).OrderBy(b => b), Is.EqualTo(ids.OrderBy(i => i)));
}
public void MissingDataIsRecoveredOnOpen()
{
var ids = Enumerable.Range(0, 20).Select(i => Guid.NewGuid()).ToList();
foreach (var guid in ids)
{
_cache.Add(new BinaryStorageClass {
Id = guid
}, _bytes);
}
//simulate a failure in which saving the data failed to commit (which could be caused by power failure, for example).
_data.Data.Remove(_cache.Get(ids.Last()).FirstDataBlockId);
//Reopen the file, which should discard the last binary, because it's data is missing
_cache.Dispose();
_cache = new BinariesCache(_data);
_cache.Open(_path);
Assert.That(_cache.Get(ids.Last()), Is.Null);
}
public void FileIndexIsRecoveredOnOpen()
{
var ids = Enumerable.Range(0, 20).Select(i => Guid.NewGuid()).ToList();
foreach (var guid in ids)
{
_cache.Add(new BinaryStorageClass {
Id = guid
}, _bytes);
}
_cache.Dispose();
_cache = new BinariesCache(_data);
_cache.Open(_path);
var newId = Guid.NewGuid();
_cache.Add(new BinaryStorageClass {
Id = newId
}, _bytes);
Assert.That(_cache.Get(newId).FileIndex, Is.EqualTo(21));
}
