public async Task BlobOpenWriteTestAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (var blobStream = await blob.OpenWriteAsync(2048))
{
Stream blobStreamForWrite = blobStream;
await blobStreamForWrite.WriteAsync(buffer, 0, 2048);
await blobStreamForWrite.FlushAsync();
byte[] testBuffer = new byte[2048];
MemoryStream dstStream = new MemoryStream(testBuffer);
await blob.DownloadRangeToStreamAsync(dstStream, null, null);
MemoryStream memStream = new MemoryStream(buffer);
TestHelper.AssertStreamsAreEqual(memStream, dstStream);
}
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}
public async Task BlobUploadFromStreamTestAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
await blob.UploadFromStreamAsync(srcStream.AsInputStream());
byte[] testBuffer = new byte[2048];
MemoryStream dstStream = new MemoryStream(testBuffer);
await blob.DownloadRangeToStreamAsync(dstStream.AsOutputStream(), null, null);
TestHelper.AssertStreamsAreEqual(srcStream, dstStream);
}
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task PageBlobDownloadToStreamRangeTestAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
await blob.UploadFromStreamAsync(wholeBlob.AsInputStream());
byte[] testBuffer = new byte[1024];
MemoryStream blobStream = new MemoryStream(testBuffer);
Exception ex = await TestHelper.ExpectedExceptionAsync <Exception>(
async() => await blob.DownloadRangeToStreamAsync(blobStream.AsOutputStream(), 0, 0),
"Requesting 0 bytes when downloading range should not work");
Assert.IsInstanceOfType(ex.InnerException.InnerException, typeof(ArgumentOutOfRangeException));
await blob.DownloadRangeToStreamAsync(blobStream.AsOutputStream(), 0, 1024);
Assert.AreEqual(blobStream.Position, 1024);
TestHelper.AssertStreamsAreEqualAtIndex(blobStream, wholeBlob, 0, 0, 1024);
CloudPageBlob blob2 = container.GetPageBlobReference("blob1");
MemoryStream blobStream2 = new MemoryStream(testBuffer);
ex = await TestHelper.ExpectedExceptionAsync <Exception>(
async() => await blob2.DownloadRangeToStreamAsync(blobStream.AsOutputStream(), 1024, 0),
"Requesting 0 bytes when downloading range should not work");
Assert.IsInstanceOfType(ex.InnerException.InnerException, typeof(ArgumentOutOfRangeException));
await blob2.DownloadRangeToStreamAsync(blobStream2.AsOutputStream(), 1024, 1024);
TestHelper.AssertStreamsAreEqualAtIndex(blobStream2, wholeBlob, 0, 1024, 1024);
AssertAreEqual(blob, blob2);
}
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task BlobUploadWithoutMD5ValidationAndStoreBlobContentTestAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
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))
{
await blob.UploadFromStreamAsync(srcStream.AsInputStream(), null, options, context);
await blob.FetchAttributesAsync();
string md5 = blob.Properties.ContentMD5;
blob.Properties.ContentMD5 = "MDAwMDAwMDA=";
await blob.SetPropertiesAsync(null, options, context);
byte[] testBuffer = new byte[2048];
MemoryStream dstStream = new MemoryStream(testBuffer);
await TestHelper.ExpectedExceptionAsync(async() => await blob.DownloadRangeToStreamAsync(dstStream.AsOutputStream(), null, null, null, options, context),
context,
"Try to Download a stream with a corrupted md5 and DisableMD5Validation set to false",
HttpStatusCode.OK);
options.DisableContentMD5Validation = true;
await blob.SetPropertiesAsync(null, options, context);
byte[] testBuffer2 = new byte[2048];
MemoryStream dstStream2 = new MemoryStream(testBuffer2);
await blob.DownloadRangeToStreamAsync(dstStream2.AsOutputStream(), null, null, null, options, context);
}
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task BlobUploadFromStreamTestAsync()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudPageBlob blob = this.testContainer.GetPageBlobReference("blob1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
await blob.UploadFromStreamAsync(srcStream.AsInputStream());
byte[] testBuffer = new byte[2048];
MemoryStream dstStream = new MemoryStream(testBuffer);
await blob.DownloadRangeToStreamAsync(dstStream.AsOutputStream(), null, null);
TestHelper.AssertStreamsAreEqual(srcStream, dstStream);
}
}