public async Task UseTransactionalCRC64GetTestAsync()
{
BlobRequestOptions optionsWithNoCRC64 = new BlobRequestOptions()
{
ChecksumOptions = new ChecksumOptions {
UseTransactionalCRC64 = false
}
};
BlobRequestOptions optionsWithCRC64 = new BlobRequestOptions()
{
ChecksumOptions = new ChecksumOptions {
UseTransactionalCRC64 = true
}
};
byte[] buffer = GetRandomBuffer(3 * 1024 * 1024);
Crc64Wrapper hasher = new Crc64Wrapper();
hasher.UpdateHash(buffer, 0, buffer.Length);
string crc64 = hasher.ComputeHash();
string lastCheckCRC64 = null;
OperationContext opContextWithCRC64Check = new OperationContext();
opContextWithCRC64Check.ResponseReceived += (_, args) =>
{
if (long.Parse(HttpResponseParsers.GetContentLength(args.Response)) >= buffer.Length)
{
lastCheckCRC64 = HttpResponseParsers.GetContentCRC64(args.Response);
}
};
OperationContext opContextWithCRC64CheckAndInjectedFailure = new OperationContext();
opContextWithCRC64CheckAndInjectedFailure.ResponseReceived += (_, args) =>
{
args.Response.Headers.Remove(Constants.HeaderConstants.ContentCrc64Header);
args.Response.Headers.TryAddWithoutValidation(Constants.HeaderConstants.ContentCrc64Header, "dummy");
if (long.Parse(HttpResponseParsers.GetContentLength(args.Response)) >= buffer.Length)
{
lastCheckCRC64 = HttpResponseParsers.GetContentCRC64(args.Response);
}
};
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
using (Stream blobStream = await blockBlob.OpenWriteAsync())
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
using (Stream stream = new MemoryStream())
{
//lastCheckCRC64 = null;
//blockBlob.DownloadToStream(stream, null, optionsWithNoCRC64, opContextWithCRC64Check);
//Assert.IsNotNull(lastCheckCRC64);
//lastCheckCRC64 = null;
//blockBlob.DownloadToStream(stream, null, optionsWithCRC64, opContextWithCRC64Check);
//Assert.IsNotNull(lastCheckCRC64);
lastCheckCRC64 = "invalid_CRC64";
await blockBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.IsNull(lastCheckCRC64);
lastCheckCRC64 = "invalid_CRC64";
await blockBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithCRC64, opContextWithCRC64Check);
Assert.AreEqual(crc64, lastCheckCRC64);
await TestHelper.ExpectedExceptionAsync <StorageException>(
() => blockBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithCRC64, opContextWithCRC64CheckAndInjectedFailure),
"Calculated CRC64 does not match existing property"
);
lastCheckCRC64 = "invalid_CRC64";
await blockBlob.DownloadRangeToStreamAsync(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.IsNull(lastCheckCRC64);
StorageException storageEx = await TestHelper.ExpectedExceptionAsync <StorageException>(
() => blockBlob.DownloadRangeToStreamAsync(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithCRC64, opContextWithCRC64Check),
"Downloading more than 4MB with transactional CRC64 should not be supported");
Assert.IsInstanceOfType(storageEx.InnerException, typeof(ArgumentOutOfRangeException));
lastCheckCRC64 = null;
using (Stream blobStream = await blockBlob.OpenReadAsync(null, optionsWithCRC64, opContextWithCRC64Check))
{
blobStream.CopyTo(stream);
Assert.IsNotNull(lastCheckCRC64);
}
lastCheckCRC64 = "invalid_CRC64";
using (Stream blobStream = await blockBlob.OpenReadAsync(null, optionsWithNoCRC64, opContextWithCRC64Check))
{
blobStream.CopyTo(stream);
Assert.IsNull(lastCheckCRC64);
}
}
CloudPageBlob pageBlob = container.GetPageBlobReference("blob3");
using (Stream blobStream = await pageBlob.OpenWriteAsync(buffer.Length * 2))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
using (Stream stream = new MemoryStream())
{
lastCheckCRC64 = "invalid_CRC64";
await pageBlob.DownloadToStreamAsync(stream, null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.IsNull(lastCheckCRC64);
StorageException storageEx = await TestHelper.ExpectedExceptionAsync <StorageException>(
() => pageBlob.DownloadToStreamAsync(stream, null, optionsWithCRC64, opContextWithCRC64Check),
"Page blob will not have CRC64 set by default; with UseTransactional, download should fail");
lastCheckCRC64 = "invalid_CRC64";
await pageBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.IsNull(lastCheckCRC64);
lastCheckCRC64 = "invalid_CRC64";
await pageBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithCRC64, opContextWithCRC64Check);
Assert.AreEqual(crc64, lastCheckCRC64);
await TestHelper.ExpectedExceptionAsync <StorageException>(
() => pageBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithCRC64, opContextWithCRC64CheckAndInjectedFailure),
"Calculated CRC64 does not match existing property"
);
lastCheckCRC64 = "invalid_CRC64";
await pageBlob.DownloadRangeToStreamAsync(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.IsNull(lastCheckCRC64);
storageEx = await TestHelper.ExpectedExceptionAsync <StorageException>(
() => pageBlob.DownloadRangeToStreamAsync(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithCRC64, opContextWithCRC64Check),
"Downloading more than 4MB with transactional CRC64 should not be supported");
Assert.IsInstanceOfType(storageEx.InnerException, typeof(ArgumentOutOfRangeException));
lastCheckCRC64 = null;
using (Stream blobStream = await pageBlob.OpenReadAsync(null, optionsWithCRC64, opContextWithCRC64Check))
{
blobStream.CopyTo(stream);
Assert.IsNotNull(lastCheckCRC64);
}
lastCheckCRC64 = "invalid_CRC64";
using (Stream blobStream = await pageBlob.OpenReadAsync(null, optionsWithNoCRC64, opContextWithCRC64Check))
{
blobStream.CopyTo(stream);
Assert.IsNull(lastCheckCRC64);
}
}
}
finally
{
await container.DeleteIfExistsAsync();
}
}
public async Task UseTransactionalCRC64PutTestAsync()
{
BlobRequestOptions optionsWithNoCRC64 = new BlobRequestOptions()
{
ChecksumOptions = new ChecksumOptions {
UseTransactionalCRC64 = false
}
};
BlobRequestOptions optionsWithCRC64 = new BlobRequestOptions()
{
ChecksumOptions = new ChecksumOptions {
UseTransactionalCRC64 = true
}
};
byte[] buffer = GetRandomBuffer(1024);
Crc64Wrapper hasher = new Crc64Wrapper();
hasher.UpdateHash(buffer, 0, buffer.Length);
string crc64 = hasher.ComputeHash();
string lastCheckCRC64 = null;
int checkCount = 0;
OperationContext opContextWithCRC64Check = new OperationContext();
opContextWithCRC64Check.SendingRequest += (_, args) =>
{
if (HttpRequestParsers.GetContentLength(args.Request) >= buffer.Length)
{
lastCheckCRC64 = HttpRequestParsers.GetContentCRC64(args.Request);
checkCount++;
}
};
OperationContext opContextWithCRC64CheckAndInjectedFailure = new OperationContext();
opContextWithCRC64CheckAndInjectedFailure.SendingRequest += (_, args) =>
{
args.Response.Headers.Remove(Constants.HeaderConstants.ContentCrc64Header);
args.Request.Headers.TryAddWithoutValidation(Constants.HeaderConstants.ContentCrc64Header, "dummy");
if (HttpRequestParsers.GetContentLength(args.Request) >= buffer.Length)
{
lastCheckCRC64 = HttpRequestParsers.GetContentCRC64(args.Request);
checkCount++;
}
};
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
List <string> blockIds = GetBlockIdList(3);
checkCount = 0;
using (Stream blockData = new MemoryStream(buffer))
{
lastCheckCRC64 = "invalid_CRC64";
await blockBlob.PutBlockAsync(blockIds[0], blockData, null, null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.IsNull(lastCheckCRC64);
lastCheckCRC64 = "invalid_CRC64";
blockData.Seek(0, SeekOrigin.Begin);
await blockBlob.PutBlockAsync(blockIds[1], blockData, null, null, optionsWithCRC64, opContextWithCRC64Check);
Assert.AreEqual(crc64, lastCheckCRC64);
blockData.Seek(0, SeekOrigin.Begin);
await TestHelper.ExpectedExceptionAsync <StorageException>(
() => blockBlob.PutBlockAsync(blockIds[1], blockData, null, null, optionsWithCRC64, opContextWithCRC64CheckAndInjectedFailure),
"Calculated CRC64 does not match existing property"
);
lastCheckCRC64 = "invalid_CRC64";
blockData.Seek(0, SeekOrigin.Begin);
await blockBlob.PutBlockAsync(blockIds[2], blockData, new Checksum(crc64 : crc64), null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.AreEqual(crc64, lastCheckCRC64);
}
Assert.AreEqual(3, checkCount);
checkCount = 0;
CloudAppendBlob appendBlob = container.GetAppendBlobReference("blob2");
await appendBlob.CreateOrReplaceAsync();
checkCount = 0;
using (Stream blockData = new MemoryStream(buffer))
{
lastCheckCRC64 = "invalid_CRC64";
await appendBlob.AppendBlockAsync(blockData, null, null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.IsNull(lastCheckCRC64);
lastCheckCRC64 = "invalid_CRC64";
blockData.Seek(0, SeekOrigin.Begin);
await appendBlob.AppendBlockAsync(blockData, null, null, optionsWithCRC64, opContextWithCRC64Check);
Assert.AreEqual(crc64, lastCheckCRC64);
blockData.Seek(0, SeekOrigin.Begin);
await TestHelper.ExpectedExceptionAsync <StorageException>(
() => appendBlob.AppendBlockAsync(blockData, null, null, optionsWithCRC64, opContextWithCRC64CheckAndInjectedFailure),
"Calculated CRC64 does not match existing property"
);
lastCheckCRC64 = "invalid_CRC64";
blockData.Seek(0, SeekOrigin.Begin);
await appendBlob.AppendBlockAsync(blockData, new Checksum(crc64 : crc64), null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.AreEqual(crc64, lastCheckCRC64);
}
Assert.AreEqual(3, checkCount);
CloudPageBlob pageBlob = container.GetPageBlobReference("blob3");
await pageBlob.CreateAsync(buffer.Length);
checkCount = 0;
using (Stream pageData = new MemoryStream(buffer))
{
lastCheckCRC64 = "invalid_CRC64";
await pageBlob.WritePagesAsync(pageData, 0, null, null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.IsNull(lastCheckCRC64);
lastCheckCRC64 = "invalid_CRC64";
pageData.Seek(0, SeekOrigin.Begin);
await pageBlob.WritePagesAsync(pageData, 0, null, null, optionsWithCRC64, opContextWithCRC64Check);
Assert.AreEqual(crc64, lastCheckCRC64);
pageData.Seek(0, SeekOrigin.Begin);
await TestHelper.ExpectedExceptionAsync <StorageException>(
() => pageBlob.WritePagesAsync(pageData, 0, null, null, optionsWithCRC64, opContextWithCRC64CheckAndInjectedFailure),
"Calculated CRC64 does not match existing property"
);
lastCheckCRC64 = "invalid_CRC64";
pageData.Seek(0, SeekOrigin.Begin);
await pageBlob.WritePagesAsync(pageData, 0, new Checksum(crc64 : crc64), null, optionsWithNoCRC64, opContextWithCRC64Check);
Assert.AreEqual(crc64, lastCheckCRC64);
}
Assert.AreEqual(3, checkCount);
lastCheckCRC64 = null;
blockBlob = container.GetBlockBlobReference("blob4");
checkCount = 0;
using (Stream blobStream = await blockBlob.OpenWriteAsync(null, optionsWithCRC64, opContextWithCRC64Check))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
Assert.IsNotNull(lastCheckCRC64);
Assert.AreEqual(1, checkCount);
lastCheckCRC64 = "invalid_CRC64";
blockBlob = container.GetBlockBlobReference("blob5");
checkCount = 0;
using (Stream blobStream = await blockBlob.OpenWriteAsync(null, optionsWithNoCRC64, opContextWithCRC64Check))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
Assert.IsNull(lastCheckCRC64);
Assert.AreEqual(1, checkCount);
lastCheckCRC64 = null;
pageBlob = container.GetPageBlobReference("blob6");
checkCount = 0;
using (Stream blobStream = await pageBlob.OpenWriteAsync(buffer.Length * 3, null, optionsWithCRC64, opContextWithCRC64Check))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
Assert.IsNotNull(lastCheckCRC64);
Assert.AreEqual(1, checkCount);
lastCheckCRC64 = "invalid_CRC64";
pageBlob = container.GetPageBlobReference("blob7");
checkCount = 0;
using (Stream blobStream = await pageBlob.OpenWriteAsync(buffer.Length * 3, null, optionsWithNoCRC64, opContextWithCRC64Check))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
Assert.IsNull(lastCheckCRC64);
Assert.AreEqual(1, checkCount);
}
finally
{
await container.DeleteIfExistsAsync();
}
}
public async Task UseTransactionalMD5PutTestAsync()
{
BlobRequestOptions optionsWithNoMD5 = new BlobRequestOptions()
{
UseTransactionalMD5 = false,
};
BlobRequestOptions optionsWithMD5 = new BlobRequestOptions()
{
UseTransactionalMD5 = true,
};
byte[] buffer = GetRandomBuffer(1024);
MD5 hasher = MD5.Create();
string md5 = Convert.ToBase64String(hasher.ComputeHash(buffer));
string lastCheckMD5 = null;
int checkCount = 0;
OperationContext opContextWithMD5Check = new OperationContext();
opContextWithMD5Check.SendingRequest += (_, args) =>
{
if (HttpRequestParsers.GetContentLength(args.Request) >= buffer.Length)
{
lastCheckMD5 = HttpRequestParsers.GetContentMD5(args.Request);
checkCount++;
}
};
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
List <string> blockIds = GetBlockIdList(3);
checkCount = 0;
using (Stream blockData = new MemoryStream(buffer))
{
lastCheckMD5 = "invalid_md5";
await blockBlob.PutBlockAsync(blockIds[0], blockData, null, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
lastCheckMD5 = "invalid_md5";
blockData.Seek(0, SeekOrigin.Begin);
await blockBlob.PutBlockAsync(blockIds[1], blockData, null, null, optionsWithMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
lastCheckMD5 = "invalid_md5";
blockData.Seek(0, SeekOrigin.Begin);
await blockBlob.PutBlockAsync(blockIds[2], blockData, md5, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
}
Assert.AreEqual(3, checkCount);
checkCount = 0;
CloudAppendBlob appendBlob = container.GetAppendBlobReference("blob2");
await appendBlob.CreateOrReplaceAsync();
checkCount = 0;
using (Stream blockData = new MemoryStream(buffer))
{
lastCheckMD5 = "invalid_md5";
await appendBlob.AppendBlockAsync(blockData, null, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
lastCheckMD5 = "invalid_md5";
blockData.Seek(0, SeekOrigin.Begin);
await appendBlob.AppendBlockAsync(blockData, null, null, optionsWithMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
lastCheckMD5 = "invalid_md5";
blockData.Seek(0, SeekOrigin.Begin);
await appendBlob.AppendBlockAsync(blockData, md5, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
}
Assert.AreEqual(3, checkCount);
CloudPageBlob pageBlob = container.GetPageBlobReference("blob3");
await pageBlob.CreateAsync(buffer.Length);
checkCount = 0;
using (Stream pageData = new MemoryStream(buffer))
{
lastCheckMD5 = "invalid_md5";
await pageBlob.WritePagesAsync(pageData, 0, null, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
lastCheckMD5 = "invalid_md5";
pageData.Seek(0, SeekOrigin.Begin);
await pageBlob.WritePagesAsync(pageData, 0, null, null, optionsWithMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
lastCheckMD5 = "invalid_md5";
pageData.Seek(0, SeekOrigin.Begin);
await pageBlob.WritePagesAsync(pageData, 0, md5, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
}
Assert.AreEqual(3, checkCount);
lastCheckMD5 = null;
blockBlob = container.GetBlockBlobReference("blob4");
checkCount = 0;
using (Stream blobStream = await blockBlob.OpenWriteAsync(null, optionsWithMD5, opContextWithMD5Check))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
Assert.IsNotNull(lastCheckMD5);
Assert.AreEqual(1, checkCount);
lastCheckMD5 = "invalid_md5";
blockBlob = container.GetBlockBlobReference("blob5");
checkCount = 0;
using (Stream blobStream = await blockBlob.OpenWriteAsync(null, optionsWithNoMD5, opContextWithMD5Check))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
Assert.IsNull(lastCheckMD5);
Assert.AreEqual(1, checkCount);
lastCheckMD5 = null;
pageBlob = container.GetPageBlobReference("blob6");
checkCount = 0;
using (Stream blobStream = await pageBlob.OpenWriteAsync(buffer.Length * 3, null, optionsWithMD5, opContextWithMD5Check))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
Assert.IsNotNull(lastCheckMD5);
Assert.AreEqual(1, checkCount);
lastCheckMD5 = "invalid_md5";
pageBlob = container.GetPageBlobReference("blob7");
checkCount = 0;
using (Stream blobStream = await pageBlob.OpenWriteAsync(buffer.Length * 3, null, optionsWithNoMD5, opContextWithMD5Check))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
Assert.IsNull(lastCheckMD5);
Assert.AreEqual(1, checkCount);
}
finally
{
await container.DeleteIfExistsAsync();
}
}
public async Task UseTransactionalMD5GetTestAsync()
{
BlobRequestOptions optionsWithNoMD5 = new BlobRequestOptions()
{
UseTransactionalMD5 = false,
};
BlobRequestOptions optionsWithMD5 = new BlobRequestOptions()
{
UseTransactionalMD5 = true,
};
byte[] buffer = GetRandomBuffer(3 * 1024 * 1024);
MD5 hasher = MD5.Create();
string md5 = Convert.ToBase64String(hasher.ComputeHash(buffer));
string lastCheckMD5 = null;
int checkCount = 0;
OperationContext opContextWithMD5Check = new OperationContext();
opContextWithMD5Check.ResponseReceived += (_, args) =>
{
if (long.Parse(HttpResponseParsers.GetContentLength(args.Response)) >= buffer.Length)
{
lastCheckMD5 = HttpResponseParsers.GetContentMD5(args.Response);
checkCount++;
}
};
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
using (Stream blobStream = await blockBlob.OpenWriteAsync())
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
checkCount = 0;
using (Stream stream = new MemoryStream())
{
lastCheckMD5 = null;
await blockBlob.DownloadToStreamAsync(stream, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNotNull(lastCheckMD5);
lastCheckMD5 = null;
await blockBlob.DownloadToStreamAsync(stream, null, optionsWithMD5, opContextWithMD5Check);
Assert.IsNotNull(lastCheckMD5);
lastCheckMD5 = "invalid_md5";
await blockBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
lastCheckMD5 = "invalid_md5";
await blockBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
lastCheckMD5 = "invalid_md5";
await blockBlob.DownloadRangeToStreamAsync(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
StorageException storageEx = await TestHelper.ExpectedExceptionAsync <StorageException>(
() => blockBlob.DownloadRangeToStreamAsync(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithMD5, opContextWithMD5Check),
"Downloading more than 4MB with transactional MD5 should not be supported");
Assert.IsInstanceOfType(storageEx.InnerException, typeof(ArgumentOutOfRangeException));
lastCheckMD5 = null;
using (Stream blobStream = await blockBlob.OpenReadAsync(null, optionsWithMD5, opContextWithMD5Check))
{
blobStream.CopyTo(stream);
Assert.IsNotNull(lastCheckMD5);
}
lastCheckMD5 = "invalid_md5";
using (Stream blobStream = await blockBlob.OpenReadAsync(null, optionsWithNoMD5, opContextWithMD5Check))
{
blobStream.CopyTo(stream);
Assert.IsNull(lastCheckMD5);
}
}
Assert.AreEqual(9, checkCount);
CloudPageBlob pageBlob = container.GetPageBlobReference("blob3");
using (Stream blobStream = await pageBlob.OpenWriteAsync(buffer.Length * 2))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
checkCount = 0;
using (Stream stream = new MemoryStream())
{
lastCheckMD5 = "invalid_md5";
await pageBlob.DownloadToStreamAsync(stream, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
StorageException storageEx = await TestHelper.ExpectedExceptionAsync <StorageException>(
() => pageBlob.DownloadToStreamAsync(stream, null, optionsWithMD5, opContextWithMD5Check),
"Page blob will not have MD5 set by default; with UseTransactional, download should fail");
lastCheckMD5 = "invalid_md5";
await pageBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
lastCheckMD5 = "invalid_md5";
await pageBlob.DownloadRangeToStreamAsync(stream, buffer.Length, buffer.Length, null, optionsWithMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
lastCheckMD5 = "invalid_md5";
await pageBlob.DownloadRangeToStreamAsync(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
storageEx = await TestHelper.ExpectedExceptionAsync <StorageException>(
() => pageBlob.DownloadRangeToStreamAsync(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithMD5, opContextWithMD5Check),
"Downloading more than 4MB with transactional MD5 should not be supported");
Assert.IsInstanceOfType(storageEx.InnerException, typeof(ArgumentOutOfRangeException));
lastCheckMD5 = null;
using (Stream blobStream = await pageBlob.OpenReadAsync(null, optionsWithMD5, opContextWithMD5Check))
{
blobStream.CopyTo(stream);
Assert.IsNotNull(lastCheckMD5);
}
lastCheckMD5 = "invalid_md5";
using (Stream blobStream = await pageBlob.OpenReadAsync(null, optionsWithNoMD5, opContextWithMD5Check))
{
blobStream.CopyTo(stream);
Assert.IsNull(lastCheckMD5);
}
}
Assert.AreEqual(9, checkCount);
}
finally
{
await container.DeleteIfExistsAsync();
}
}
public async Task CloudBlobClientMaximumExecutionTimeoutShouldNotBeHonoredForStreamsAsync()
{
CloudBlobClient blobClient = GenerateCloudBlobClient();
CloudBlobContainer container = blobClient.GetContainerReference(Guid.NewGuid().ToString("N"));
byte[] buffer = BlobTestBase.GetRandomBuffer(1024 * 1024);
try
{
await container.CreateAsync();
blobClient.DefaultRequestOptions.MaximumExecutionTime = TimeSpan.FromSeconds(30);
CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
CloudPageBlob pageBlob = container.GetPageBlobReference("blob2");
blockBlob.StreamWriteSizeInBytes = 1024 * 1024;
blockBlob.StreamMinimumReadSizeInBytes = 1024 * 1024;
pageBlob.StreamWriteSizeInBytes = 1024 * 1024;
pageBlob.StreamMinimumReadSizeInBytes = 1024 * 1024;
using (CloudBlobStream bos = await blockBlob.OpenWriteAsync())
{
DateTime start = DateTime.Now;
for (int i = 0; i < 7; i++)
{
await bos.WriteAsync(buffer, 0, buffer.Length);
}
// Sleep to ensure we are over the Max execution time when we do the last write
int msRemaining = (int)(blobClient.DefaultRequestOptions.MaximumExecutionTime.Value - (DateTime.Now - start)).TotalMilliseconds;
if (msRemaining > 0)
{
await Task.Delay(msRemaining);
}
await bos.WriteAsync(buffer, 0, buffer.Length);
await bos.CommitAsync();
}
using (Stream bis = (await blockBlob.OpenReadAsync()))
{
DateTime start = DateTime.Now;
int total = 0;
while (total < 7 * 1024 * 1024)
{
total += await bis.ReadAsync(buffer, 0, buffer.Length);
}
// Sleep to ensure we are over the Max execution time when we do the last read
int msRemaining = (int)(blobClient.DefaultRequestOptions.MaximumExecutionTime.Value - (DateTime.Now - start)).TotalMilliseconds;
if (msRemaining > 0)
{
await Task.Delay(msRemaining);
}
while (true)
{
int count = await bis.ReadAsync(buffer, 0, buffer.Length);
total += count;
if (count == 0)
{
break;
}
}
}
using (CloudBlobStream bos = await pageBlob.OpenWriteAsync(8 * 1024 * 1024))
{
DateTime start = DateTime.Now;
for (int i = 0; i < 7; i++)
{
await bos.WriteAsync(buffer, 0, buffer.Length);
}
// Sleep to ensure we are over the Max execution time when we do the last write
int msRemaining = (int)(blobClient.DefaultRequestOptions.MaximumExecutionTime.Value - (DateTime.Now - start)).TotalMilliseconds;
if (msRemaining > 0)
{
await Task.Delay(msRemaining);
}
await bos.WriteAsync(buffer, 0, buffer.Length);
await bos.CommitAsync();
}
using (Stream bis = (await pageBlob.OpenReadAsync()))
{
DateTime start = DateTime.Now;
int total = 0;
while (total < 7 * 1024 * 1024)
{
total += await bis.ReadAsync(buffer, 0, buffer.Length);
}
// Sleep to ensure we are over the Max execution time when we do the last read
int msRemaining = (int)(blobClient.DefaultRequestOptions.MaximumExecutionTime.Value - (DateTime.Now - start)).TotalMilliseconds;
if (msRemaining > 0)
{
await Task.Delay(msRemaining);
}
while (true)
{
int count = await bis.ReadAsync(buffer, 0, buffer.Length);
total += count;
if (count == 0)
{
break;
}
}
}
}
finally
{
blobClient.DefaultRequestOptions.MaximumExecutionTime = null;
container.DeleteIfExistsAsync().Wait();
}
}