public void Signatures_can_be_generated_on_the_same_repository() { const int size = 1024 * 1024 * 5; var randomStream = new RandomStream(size); var buffer = new byte[size]; randomStream.Read(buffer, 0, size); var stream = new MemoryStream(buffer); using (var signatureRepository = new VolatileSignatureRepository("test")) using (var rested = new SigGenerator()) { var signatures = signatureRepository.GetByFileName(); Assert.Equal(0, signatures.Count()); stream.Position = 0; var result = rested.GenerateSignatures(stream, "test", signatureRepository); signatures = signatureRepository.GetByFileName(); Assert.Equal(2, signatures.Count()); stream.Position = 0; result = rested.GenerateSignatures(stream, "test", signatureRepository); signatures = signatureRepository.GetByFileName(); Assert.Equal(2, signatures.Count()); } }
public void Generate_check() { IList <SignatureInfo> sourceSignatureInfos; IList <SignatureInfo> seedSignatureInfos; using (var sourceSignatureRepository = CreateSignatureRepositoryFor("test")) using (var seedSignatureRepository = CreateSignatureRepositoryFor("test")) { using (var generator = new SigGenerator()) { seedSignatureInfos = generator.GenerateSignatures(GetSeedStream(), "test", seedSignatureRepository); } var sourceStream = GetSourceStream(); using (var generator = new SigGenerator()) { sourceSignatureInfos = generator.GenerateSignatures(sourceStream, "test", sourceSignatureRepository); } var sourceSize = sourceStream.Length; using (var tested = new NeedListGenerator(sourceSignatureRepository, seedSignatureRepository)) { var result = tested.CreateNeedsList(seedSignatureInfos.Last(), sourceSignatureInfos.Last()); Assert.NotNull(result); Assert.Equal(0, sourceSize - result.Sum(x => Convert.ToInt32(x.BlockLength))); } } }
public void Should_be_the_same_signatures() { const int size = 1024 * 1024 * 5; var randomStream = new RandomStream(size); var buffer = new byte[size]; randomStream.Read(buffer, 0, size); var stream = new MemoryStream(buffer); var firstSigContentHashes = new List <string>(); using (var signatureRepository = new VolatileSignatureRepository("test")) using (var rested = new SigGenerator()) { var result = rested.GenerateSignatures(stream, "test", signatureRepository); foreach (var signatureInfo in result) { using (var content = signatureRepository.GetContentForReading(signatureInfo.Name)) { firstSigContentHashes.Add(content.GetMD5Hash()); } } } stream.Position = 0; var secondSigContentHashes = new List <string>(); using (var signatureRepository = new VolatileSignatureRepository("test")) using (var rested = new SigGenerator()) { var result = rested.GenerateSignatures(stream, "test", signatureRepository); foreach (var signatureInfo in result) { using (var content = signatureRepository.GetContentForReading(signatureInfo.Name)) { secondSigContentHashes.Add(content.GetMD5Hash()); } } } Assert.Equal(firstSigContentHashes.Count, secondSigContentHashes.Count); for (var i = 0; i < firstSigContentHashes.Count; i++) { Assert.Equal(firstSigContentHashes[i], secondSigContentHashes[i]); } }
public void Generate_check() { using (var signatureRepository = new VolatileSignatureRepository("test")) using (var rested = new SigGenerator()) { var result = rested.GenerateSignatures(_stream, "test", signatureRepository); Assert.Equal(2, result.Count); using (var content = signatureRepository.GetContentForReading(result[0].Name)) { Assert.Equal("91b64180c75ef27213398979cc20bfb7", content.GetMD5Hash()); } using (var content = signatureRepository.GetContentForReading(result[1].Name)) { Assert.Equal("9fe9d408aed35769e25ece3a56f2d12f", content.GetMD5Hash()); } } }
public void Synchronize_file_with_different_beginning() { const int size = 5000; var differenceChunk = new MemoryStream(); var sw = new StreamWriter(differenceChunk); sw.Write("Coconut is Stupid"); sw.Flush(); var sourceContent = PrepareSourceStream(size); sourceContent.Position = 0; var seedContent = new CombinedStream(differenceChunk, sourceContent); using (var sourceSignatureRepository = CreateSignatureRepositoryFor("test2")) using (var seedSignatureRepository = CreateSignatureRepositoryFor("test1")) { IList <SignatureInfo> seedSignatureInfos; using (var generator = new SigGenerator()) { seedContent.Seek(0, SeekOrigin.Begin); seedSignatureInfos = generator.GenerateSignatures(seedContent, "test1", seedSignatureRepository); } IList <SignatureInfo> sourceSignatureInfos; using (var generator = new SigGenerator()) { sourceContent.Seek(0, SeekOrigin.Begin); sourceSignatureInfos = generator.GenerateSignatures(sourceContent, "test2", sourceSignatureRepository); } var sourceSize = sourceContent.Length; using (var tested = new NeedListGenerator(seedSignatureRepository, sourceSignatureRepository)) { var result = tested.CreateNeedsList(seedSignatureInfos.Last(), sourceSignatureInfos.Last()); Assert.NotNull(result); Assert.Equal(2, result.Count); Assert.Equal(0, sourceSize - result.Sum(x => Convert.ToInt32(x.BlockLength))); } } }
public void Synchronize_file_with_different_sizes_and_completely_different_content() { var seedBuffer = new byte[1024 * 1024 * 2]; // 2 MB new Random().NextBytes(seedBuffer); var seedContent = new MemoryStream(seedBuffer); var smallerBuffer = new byte[1024 * 1024]; new Random().NextBytes(smallerBuffer); var changedContent = new MemoryStream(smallerBuffer); using (var seedSignatureRepository = CreateSignatureRepositoryFor("seed")) using (var sourceSignatureRepository = CreateSignatureRepositoryFor("source")) { IList <SignatureInfo> seedSignatureInfos; using (var generator = new SigGenerator()) { seedContent.Seek(0, SeekOrigin.Begin); seedSignatureInfos = generator.GenerateSignatures(seedContent, "seed", seedSignatureRepository); } IList <SignatureInfo> sourceSignatureInfos; using (var generator = new SigGenerator()) { changedContent.Seek(0, SeekOrigin.Begin); sourceSignatureInfos = generator.GenerateSignatures(changedContent, "source", sourceSignatureRepository); } var sourceSize = changedContent.Length; using (var tested = new NeedListGenerator(seedSignatureRepository, sourceSignatureRepository)) { var result = tested.CreateNeedsList(seedSignatureInfos.Last(), sourceSignatureInfos.Last()); Assert.NotNull(result); Assert.Equal(0, sourceSize - result.Sum(x => Convert.ToInt32(x.BlockLength))); } } }
private IEnumerable <SignatureInfo> PrepareSignatures(string filename) { var input = StorageStream.Reading(_transactionalStorage, filename); return(_sigGenerator.GenerateSignatures(input, filename, _signatureRepository)); }