public async Task CanHandleLongBlockBufferedUpload()
{
// Arrange
const long blockSize = int.MaxValue + 1024L;
const int numBlocks = 2;
Stream content = new Storage.Tests.Shared.PredictableStream(numBlocks * blockSize, revealsLength: false); // lack of Stream.Length forces buffered upload
var blobContainerClient = blobServiceClient.GetBlobContainerClient(Guid.NewGuid().ToString());
await blobContainerClient.CreateIfNotExistsAsync();
var blobName = Guid.NewGuid().ToString();
var blobClient = blobContainerClient.GetBlobClient(blobName);
// Act
await blobClient.UploadAsync(content, new BlobUploadOptions()
{
TransferOptions = new StorageTransferOptions
{
InitialTransferSize = 1,
MaximumTransferSize = blockSize,
MaximumConcurrency = 1,
}
});
BlockList blockList = await blobContainerClient.GetBlockBlobClient(blobName).GetBlockListAsync();
// Assert
Assert.AreEqual(numBlocks * blockSize, blockList.BlobContentLength);
Assert.AreEqual(numBlocks, blockList.CommittedBlocks.Count());
foreach (var block in blockList.CommittedBlocks)
{
Assert.AreEqual(blockSize, block.SizeLong);
}
}
public async Task GetBlockListAsync_LongBlock()
{
// Arange
var blobContainerClient = blobServiceClient.GetBlobContainerClient(Guid.NewGuid().ToString());
await blobContainerClient.CreateIfNotExistsAsync();
var blobName = Guid.NewGuid().ToString();
var blobClient = blobContainerClient.GetBlockBlobClient(blobName);
const long bigBlockSize = int.MaxValue + 1024L;
var blockId0 = Convert.ToBase64String(Guid.NewGuid().ToByteArray());
using (var stream = new Storage.Tests.Shared.PredictableStream(length: bigBlockSize))
{
await blobClient.StageBlockAsync(blockId0, stream);
}
await blobClient.CommitBlockListAsync(new string[] { blockId0 });
// Act
Response <BlockList> response = await blobClient.GetBlockListAsync();
// Assert
Assert.AreEqual(1, response.Value.CommittedBlocks.Count());
Assert.AreEqual(blockId0, response.Value.CommittedBlocks.First().Name);
Assert.AreEqual(bigBlockSize, response.Value.CommittedBlocks.First().SizeLong);
Assert.Throws <OverflowException>(() => _ = response.Value.CommittedBlocks.First().Size); // if no overflow then we didn't actually test handling of long lengths
}
