public async Task PageBlobWriteStreamBasicTestAsync()
{
byte[] buffer = GetRandomBuffer(6 * 512);
#if ASPNET_K
MD5 hasher = MD5.Create();
#else
CryptographicHash hasher = HashAlgorithmProvider.OpenAlgorithm("MD5").CreateHash();
#endif
CloudBlobContainer container = GetRandomContainerReference();
container.ServiceClient.DefaultRequestOptions.ParallelOperationThreadCount = 2;
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
blob.StreamWriteSizeInBytes = 8 * 512;
using (MemoryStream wholeBlob = new MemoryStream())
{
BlobRequestOptions options = new BlobRequestOptions()
{
StoreBlobContentMD5 = true,
};
using (var writeStream = await blob.OpenWriteAsync(buffer.Length * 3, null, options, null))
{
Stream blobStream = writeStream.AsStreamForWrite();
for (int i = 0; i < 3; i++)
{
await blobStream.WriteAsync(buffer, 0, buffer.Length);
await wholeBlob.WriteAsync(buffer, 0, buffer.Length);
Assert.AreEqual(wholeBlob.Position, blobStream.Position);
#if !ASPNET_K
hasher.Append(buffer.AsBuffer());
#endif
}
await blobStream.FlushAsync();
}
#if ASPNET_K
string md5 = Convert.ToBase64String(hasher.ComputeHash(wholeBlob.ToArray()));
#else
string md5 = CryptographicBuffer.EncodeToBase64String(hasher.GetValueAndReset());
#endif
await blob.FetchAttributesAsync();
Assert.AreEqual(md5, blob.Properties.ContentMD5);
using (MemoryOutputStream downloadedBlob = new MemoryOutputStream())
{
await blob.DownloadToStreamAsync(downloadedBlob);
TestHelper.AssertStreamsAreEqual(wholeBlob, downloadedBlob.UnderlyingStream);
}
await TestHelper.ExpectedExceptionAsync <ArgumentException>(
async() => await blob.OpenWriteAsync(null, null, options, null),
"OpenWrite with StoreBlobContentMD5 on an existing page blob should fail");
using (var writeStream = await blob.OpenWriteAsync(null))
{
Stream blobStream = writeStream.AsStreamForWrite();
blobStream.Seek(buffer.Length / 2, SeekOrigin.Begin);
wholeBlob.Seek(buffer.Length / 2, SeekOrigin.Begin);
for (int i = 0; i < 2; i++)
{
blobStream.Write(buffer, 0, buffer.Length);
wholeBlob.Write(buffer, 0, buffer.Length);
Assert.AreEqual(wholeBlob.Position, blobStream.Position);
}
await blobStream.FlushAsync();
}
await blob.FetchAttributesAsync();
Assert.AreEqual(md5, blob.Properties.ContentMD5);
using (MemoryOutputStream downloadedBlob = new MemoryOutputStream())
{
options.DisableContentMD5Validation = true;
await blob.DownloadToStreamAsync(downloadedBlob, null, options, null);
TestHelper.AssertStreamsAreEqual(wholeBlob, downloadedBlob.UnderlyingStream);
}
}
}
finally
{
container.DeleteAsync().AsTask().Wait();
}
}
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 (var 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 (var 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
{
share.DeleteAsync().Wait();
}
}
public async Task BlockBlobWriteStreamBasicTestAsync()
{
byte[] buffer = GetRandomBuffer(3 * 1024 * 1024);
#if ASPNET_K
MD5 hasher = MD5.Create();
#else
CryptographicHash hasher = HashAlgorithmProvider.OpenAlgorithm("MD5").CreateHash();
#endif
CloudBlobClient blobClient = GenerateCloudBlobClient();
blobClient.DefaultRequestOptions.ParallelOperationThreadCount = 2;
string name = GetRandomContainerName();
CloudBlobContainer container = blobClient.GetContainerReference(name);
try
{
await container.CreateAsync();
CloudBlockBlob blob = container.GetBlockBlobReference("blob1");
using (MemoryStream wholeBlob = new MemoryStream())
{
BlobRequestOptions options = new BlobRequestOptions()
{
StoreBlobContentMD5 = true,
};
using (var writeStream = await blob.OpenWriteAsync(null, options, null))
{
Stream blobStream = writeStream.AsStreamForWrite();
for (int i = 0; i < 3; i++)
{
await blobStream.WriteAsync(buffer, 0, buffer.Length);
await wholeBlob.WriteAsync(buffer, 0, buffer.Length);
Assert.AreEqual(wholeBlob.Position, blobStream.Position);
#if !ASPNET_K
hasher.Append(buffer.AsBuffer());
#endif
}
await blobStream.FlushAsync();
}
#if ASPNET_K
string md5 = Convert.ToBase64String(hasher.ComputeHash(wholeBlob.ToArray()));
#else
string md5 = CryptographicBuffer.EncodeToBase64String(hasher.GetValueAndReset());
#endif
await blob.FetchAttributesAsync();
Assert.AreEqual(md5, blob.Properties.ContentMD5);
using (MemoryOutputStream downloadedBlob = new MemoryOutputStream())
{
await blob.DownloadToStreamAsync(downloadedBlob);
TestHelper.AssertStreamsAreEqual(wholeBlob, downloadedBlob.UnderlyingStream);
}
}
}
finally
{
container.DeleteAsync().AsTask().Wait();
}
}