public void GeneratesFileSignatureFromNameModifyAndSize()
{
var descriptor = new FileDescriptor("myfile.txt");
descriptor.ModifyTime = new DateTime(2013, 12, 24, 0, 0, 0, DateTimeKind.Utc);
descriptor.Size = 1024;
var sut = new StatSignatureGenerator(new SHA1HashGenerator());
sut.UpdateFileSignature(descriptor);
var b64Signature = Convert.ToBase64String(descriptor.StatHash);
Assert.That(b64Signature, Is.EqualTo("bnx6xtNphTyaIB5Cz4Yw7X6nsVk="));
}
public void GeneratesFolderSignatureFromChildren()
{
var descriptor = new FileDescriptor("Folder")
{
IsFolder = true,
Children = new[]
{
new FileDescriptor("MyFileA.txt") {StatHash = new byte[] {1, 2, 3}},
new FileDescriptor("MyFileB.txt") {StatHash = new byte[] {10, 20, 30}}
}
};
var sut = new StatSignatureGenerator(new SHA1HashGenerator());
sut.UpdateFolderSignature(descriptor);
var b64Signature = Convert.ToBase64String(descriptor.StatHash);
Assert.That(b64Signature, Is.EqualTo("+mspp0y7kWMAMkFZoR7anf2B5AU="));
}
private static FileDescriptor StatScanFolder(MemoryFileDatabase database, string baseFolder)
{
var volumeInfo = new VolumeInfo(baseFolder);
Console.WriteLine($"Name = {volumeInfo.VolumeName}, Serial = {volumeInfo.SerialNumber}");
database.RootInfo = new RootInfo
{
RootPath = baseFolder,
VolumeId = volumeInfo.SerialNumber,
VolumeLabel = volumeInfo.VolumeName
};
var progressTracker = new ConsoleProgressTracker();
var signatureGenerator = new StatSignatureGenerator(new SHA1HashGenerator());
var crawler = new FileCrawler(database, new SystemFileDescriptorProvider(), signatureGenerator, progressTracker);
var scanTimer = Stopwatch.StartNew();
var rootDescriptor = crawler.ScanDirectory(baseFolder);
scanTimer.Stop();
var descriptorCount = database.GetAllDescriptors().Count();
Console.WriteLine("Scanned {0} entries in {1}. {2} stat scans per second", descriptorCount, scanTimer.Elapsed,
1000*descriptorCount/scanTimer.ElapsedMilliseconds);
return rootDescriptor;
}
