public async Task FileWriteStreamFlushTestAsync() { byte[] buffer = GetRandomBuffer(512); CloudFileShare share = GetRandomShareReference(); try { await share.CreateAsync(); CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1"); file.StreamWriteSizeInBytes = 1024; using (MemoryStream wholeFile = new MemoryStream()) { FileRequestOptions options = new FileRequestOptions() { StoreFileContentMD5 = true }; OperationContext opContext = new OperationContext(); using (CloudFileStream fileStream = await file.OpenWriteAsync(4 * 512, null, options, opContext)) { for (int i = 0; i < 3; i++) { await fileStream.WriteAsync(buffer, 0, buffer.Length); await wholeFile.WriteAsync(buffer, 0, buffer.Length); } #if NETCORE // todo: Make some other better logic for this test to be reliable. System.Threading.Thread.Sleep(500); #endif Task.Delay(500).GetAwaiter().GetResult(); Assert.AreEqual(2, opContext.RequestResults.Count); await fileStream.FlushAsync(); Assert.AreEqual(3, opContext.RequestResults.Count); await fileStream.FlushAsync(); Assert.AreEqual(3, opContext.RequestResults.Count); await fileStream.WriteAsync(buffer, 0, buffer.Length); await wholeFile.WriteAsync(buffer, 0, buffer.Length); Assert.AreEqual(3, opContext.RequestResults.Count); await fileStream.CommitAsync(); Assert.AreEqual(5, opContext.RequestResults.Count); } Assert.AreEqual(5, opContext.RequestResults.Count); using (MemoryOutputStream downloadedFile = new MemoryOutputStream()) { await file.DownloadToStreamAsync(downloadedFile); TestHelper.AssertStreamsAreEqual(wholeFile, downloadedFile.UnderlyingStream); } } } finally { await share.DeleteAsync(); } }
public async Task FileWriteStreamBasicTestAsync() { byte[] buffer = GetRandomBuffer(6 * 512); #if NETCORE MD5 hasher = MD5.Create(); #else CryptographicHash hasher = HashAlgorithmProvider.OpenAlgorithm("MD5").CreateHash(); #endif CloudFileShare share = GetRandomShareReference(); share.ServiceClient.DefaultRequestOptions.ParallelOperationThreadCount = 2; try { await share.CreateAsync(); CloudFile file = share.GetRootDirectoryReference().GetFileReference("file1"); file.StreamWriteSizeInBytes = 8 * 512; using (MemoryStream wholeFile = new MemoryStream()) { FileRequestOptions options = new FileRequestOptions() { StoreFileContentMD5 = true, }; using (CloudFileStream writeStream = await file.OpenWriteAsync(buffer.Length * 3, null, options, null)) { Stream fileStream = writeStream; for (int i = 0; i < 3; i++) { await fileStream.WriteAsync(buffer, 0, buffer.Length); await wholeFile.WriteAsync(buffer, 0, buffer.Length); Assert.AreEqual(wholeFile.Position, fileStream.Position); #if !NETCORE hasher.Append(buffer.AsBuffer()); #endif } await fileStream.FlushAsync(); } #if NETCORE string md5 = Convert.ToBase64String(hasher.ComputeHash(wholeFile.ToArray())); #else string md5 = CryptographicBuffer.EncodeToBase64String(hasher.GetValueAndReset()); #endif await file.FetchAttributesAsync(); Assert.AreEqual(md5, file.Properties.ContentMD5); using (MemoryOutputStream downloadedFile = new MemoryOutputStream()) { await file.DownloadToStreamAsync(downloadedFile); TestHelper.AssertStreamsAreEqual(wholeFile, downloadedFile.UnderlyingStream); } await TestHelper.ExpectedExceptionAsync <ArgumentException>( async() => await file.OpenWriteAsync(null, null, options, null), "OpenWrite with StoreFileContentMD5 on an existing file should fail"); using (CloudFileStream writeStream = await file.OpenWriteAsync(null)) { Stream fileStream = writeStream; fileStream.Seek(buffer.Length / 2, SeekOrigin.Begin); wholeFile.Seek(buffer.Length / 2, SeekOrigin.Begin); for (int i = 0; i < 2; i++) { fileStream.Write(buffer, 0, buffer.Length); wholeFile.Write(buffer, 0, buffer.Length); Assert.AreEqual(wholeFile.Position, fileStream.Position); } await fileStream.FlushAsync(); } await file.FetchAttributesAsync(); Assert.AreEqual(md5, file.Properties.ContentMD5); using (MemoryOutputStream downloadedFile = new MemoryOutputStream()) { options.DisableContentMD5Validation = true; await file.DownloadToStreamAsync(downloadedFile, null, options, null); TestHelper.AssertStreamsAreEqual(wholeFile, downloadedFile.UnderlyingStream); } } } finally { await share.DeleteAsync(); } }