public void PageBlobDownloadToStreamRangeTest()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
blob.UploadFromStream(wholeBlob);
byte[] testBuffer = new byte[1024];
MemoryStream blobStream = new MemoryStream(testBuffer);
StorageException storageEx = TestHelper.ExpectedException <StorageException>(
() => blob.DownloadRangeToStream(blobStream, 0, 0),
"Requesting 0 bytes when downloading range should not work");
Assert.IsInstanceOfType(storageEx.InnerException, typeof(ArgumentOutOfRangeException));
blob.DownloadRangeToStream(blobStream, 0, 1024);
Assert.AreEqual(blobStream.Position, 1024);
TestHelper.AssertStreamsAreEqualAtIndex(blobStream, wholeBlob, 0, 0, 1024);
CloudPageBlob blob2 = container.GetPageBlobReference("blob1");
MemoryStream blobStream2 = new MemoryStream(testBuffer);
storageEx = TestHelper.ExpectedException <StorageException>(
() => blob2.DownloadRangeToStream(blobStream, 1024, 0),
"Requesting 0 bytes when downloading range should not work");
Assert.IsInstanceOfType(storageEx.InnerException, typeof(ArgumentOutOfRangeException));
blob2.DownloadRangeToStream(blobStream2, 1024, 1024);
TestHelper.AssertStreamsAreEqualAtIndex(blobStream2, wholeBlob, 0, 1024, 1024);
AssertAreEqual(blob, blob2);
}
}
finally
{
container.DeleteIfExists();
}
}
public void BlobUploadWithoutMD5ValidationAndStoreBlobContentTest()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
BlobRequestOptions options = new BlobRequestOptions();
options.DisableContentMD5Validation = false;
options.StoreBlobContentMD5 = false;
OperationContext context = new OperationContext();
using (MemoryStream srcStream = new MemoryStream(buffer))
{
blob.UploadFromStream(srcStream, null, options, context);
blob.FetchAttributes();
string md5 = blob.Properties.ContentMD5;
blob.Properties.ContentMD5 = "MDAwMDAwMDA=";
blob.SetProperties(null, options, context);
byte[] testBuffer = new byte[2048];
MemoryStream dstStream = new MemoryStream(testBuffer);
TestHelper.ExpectedException(() => blob.DownloadRangeToStream(dstStream, null, null, null, options, context),
"Try to Download a stream with a corrupted md5 and DisableMD5Validation set to false",
HttpStatusCode.OK);
options.DisableContentMD5Validation = true;
blob.SetProperties(null, options, context);
byte[] testBuffer2 = new byte[2048];
MemoryStream dstStream2 = new MemoryStream(testBuffer2);
blob.DownloadRangeToStream(dstStream2, null, null, null, options, context);
}
}
finally
{
container.DeleteIfExists();
}
}
public void BlobOpenWriteTest()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
MemoryStream memStream = new MemoryStream(buffer);
Stream blobStream = blob.OpenWrite(2048);
blobStream.Write(buffer, 0, 2048);
byte[] testBuffer = new byte[2048];
MemoryStream dstStream = new MemoryStream(testBuffer);
blob.DownloadRangeToStream(dstStream, null, null);
blobStream.Close();
TestHelper.AssertStreamsAreEqual(memStream, dstStream);
}
finally
{
container.DeleteIfExists();
}
}
public void BlobUploadFromStreamTest()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
blob.UploadFromStream(srcStream);
byte[] testBuffer = new byte[2048];
MemoryStream dstStream = new MemoryStream(testBuffer);
blob.DownloadRangeToStream(dstStream, null, null);
TestHelper.AssertStreamsAreEqual(srcStream, dstStream);
}
}
finally
{
container.DeleteIfExists();
}
}
public void UseTransactionalMD5GetTest()
{
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 (args.Response.ContentLength >= buffer.Length)
{
lastCheckMD5 = args.Response.Headers[HttpResponseHeader.ContentMd5];
checkCount++;
}
};
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
using (Stream blobStream = blockBlob.OpenWrite())
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
checkCount = 0;
using (Stream stream = new MemoryStream())
{
blockBlob.DownloadToStream(stream, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNotNull(lastCheckMD5);
blockBlob.DownloadToStream(stream, null, optionsWithMD5, opContextWithMD5Check);
Assert.IsNotNull(lastCheckMD5);
blockBlob.DownloadRangeToStream(stream, buffer.Length, buffer.Length, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
blockBlob.DownloadRangeToStream(stream, buffer.Length, buffer.Length, null, optionsWithMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
blockBlob.DownloadRangeToStream(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
StorageException storageEx = TestHelper.ExpectedException <StorageException>(
() => blockBlob.DownloadRangeToStream(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));
}
Assert.AreEqual(5, checkCount);
CloudPageBlob pageBlob = container.GetPageBlobReference("blob2");
using (Stream blobStream = pageBlob.OpenWrite(buffer.Length * 2))
{
blobStream.Write(buffer, 0, buffer.Length);
blobStream.Write(buffer, 0, buffer.Length);
}
checkCount = 0;
using (Stream stream = new MemoryStream())
{
pageBlob.DownloadToStream(stream, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
StorageException storageEx = TestHelper.ExpectedException <StorageException>(
() => pageBlob.DownloadToStream(stream, null, optionsWithMD5, opContextWithMD5Check),
"Page blob will not have MD5 set by default; with UseTransactional, download should fail");
pageBlob.DownloadRangeToStream(stream, buffer.Length, buffer.Length, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
pageBlob.DownloadRangeToStream(stream, buffer.Length, buffer.Length, null, optionsWithMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
pageBlob.DownloadRangeToStream(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
storageEx = TestHelper.ExpectedException <StorageException>(
() => pageBlob.DownloadRangeToStream(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));
}
Assert.AreEqual(5, checkCount);
}
finally
{
container.DeleteIfExists();
}
}