public async Task AppendBlobReadStreamBasicTestAsync()
{
byte[] buffer = GetRandomBuffer(4 * 1024 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudAppendBlob blob = container.GetAppendBlobReference("blob1");
await blob.CreateOrReplaceAsync();
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
#if !FACADE_NETCORE
await blob.AppendBlockAsync(wholeBlob);
#else
await blob.AppendBlockAsync(wholeBlob, null, null, null, null, CancellationToken.None);
#endif
}
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
using (Stream blobStream = (await blob.OpenReadAsync()))
{
TestHelper.AssertStreamsAreEqual(wholeBlob, blobStream);
}
}
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}
public async Task AppendBlobReadStreamSeekTestAsync()
{
byte[] buffer = GetRandomBuffer(3 * 1024 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudAppendBlob blob = container.GetAppendBlobReference("blob1");
await blob.CreateOrReplaceAsync();
blob.StreamMinimumReadSizeInBytes = 2 * 1024 * 1024;
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
await blob.AppendBlockAsync(wholeBlob);
}
OperationContext opContext = new OperationContext();
using (var blobStream = await blob.OpenReadAsync(null, null, opContext))
{
#if WINDOWS_RT
int attempts = await BlobReadStreamSeekTestAsync(blobStream.AsRandomAccessStream(), blob.StreamMinimumReadSizeInBytes, buffer);
#else
int attempts = await BlobReadStreamSeekTestAsync(blobStream, blob.StreamMinimumReadSizeInBytes, buffer);
#endif
TestHelper.AssertNAttempts(opContext, attempts);
}
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}
public async Task AppendBlobReadStreamBasicTestAsync()
{
byte[] buffer = GetRandomBuffer(4 * 1024 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudAppendBlob blob = container.GetAppendBlobReference("blob1");
await blob.CreateOrReplaceAsync();
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
await blob.AppendBlockAsync(wholeBlob.AsInputStream());
}
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
using (Stream blobStream = (await blob.OpenReadAsync()).AsStreamForRead())
{
TestHelper.AssertStreamsAreEqual(wholeBlob, blobStream);
}
}
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public static async Task UploadTextAsync(CloudBlob blob, string text, Encoding encoding, AccessCondition accessCondition = null, BlobRequestOptions options = null, OperationContext operationContext = null)
{
byte[] textAsBytes = encoding.GetBytes(text);
using (MemoryStream stream = new MemoryStream())
{
await stream.WriteAsync(textAsBytes, 0, textAsBytes.Length);
if (blob.BlobType == BlobType.PageBlob)
{
int lastPageSize = (int)(stream.Length % 512);
if (lastPageSize != 0)
{
byte[] padding = new byte[512 - lastPageSize];
await stream.WriteAsync(padding, 0, padding.Length);
}
}
stream.Seek(0, SeekOrigin.Begin);
blob.ServiceClient.DefaultRequestOptions.ParallelOperationThreadCount = 2;
if (blob.BlobType == BlobType.AppendBlob)
{
CloudAppendBlob blob1 = blob as CloudAppendBlob;
await blob1.CreateOrReplaceAsync();
#if !FACADE_NETCORE
await blob1.AppendBlockAsync(stream, null);
#else
await blob1.AppendBlockAsync(stream, null, null, null, null, CancellationToken.None);
#endif
}
else if (blob.BlobType == BlobType.PageBlob)
{
CloudPageBlob pageBlob = blob as CloudPageBlob;
await pageBlob.UploadFromStreamAsync(stream, accessCondition, options, operationContext);
}
else
{
CloudBlockBlob blockBlob = blob as CloudBlockBlob;
await blockBlob.UploadFromStreamAsync(stream, accessCondition, options, operationContext);
}
}
}
public void CloudBlobSnapshotTask()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.CreateAsync().Wait();
MemoryStream originalData = new MemoryStream(GetRandomBuffer(1024));
CloudAppendBlob appendBlob = container.GetAppendBlobReference(BlobName);
appendBlob.CreateOrReplaceAsync().Wait();
appendBlob.AppendBlockAsync(originalData, null).Wait();
CloudBlob blob = container.GetBlobReference(BlobName);
blob.FetchAttributesAsync().Wait();
CloudBlob snapshot1 = blob.SnapshotAsync().Result;
Assert.AreEqual(blob.Properties.ETag, snapshot1.Properties.ETag);
Assert.AreEqual(blob.Properties.LastModified, snapshot1.Properties.LastModified);
Assert.IsTrue(snapshot1.IsSnapshot);
Assert.IsNotNull(snapshot1.SnapshotTime, "Snapshot does not have SnapshotTime set");
Assert.AreEqual(blob.Uri, snapshot1.Uri);
Assert.AreNotEqual(blob.SnapshotQualifiedUri, snapshot1.SnapshotQualifiedUri);
Assert.AreNotEqual(snapshot1.Uri, snapshot1.SnapshotQualifiedUri);
Assert.IsTrue(snapshot1.SnapshotQualifiedUri.Query.Contains("snapshot"));
CloudBlob snapshot2 = blob.SnapshotAsync().Result;
Assert.IsTrue(snapshot2.SnapshotTime.Value > snapshot1.SnapshotTime.Value);
snapshot1.FetchAttributesAsync().Wait();
snapshot2.FetchAttributesAsync().Wait();
blob.FetchAttributesAsync().Wait();
AssertAreEqual(snapshot1.Properties, blob.Properties);
CloudBlob snapshot1Clone = new CloudBlob(new Uri(blob.Uri + "?snapshot=" + snapshot1.SnapshotTime.Value.ToString("O")), blob.ServiceClient.Credentials);
Assert.IsNotNull(snapshot1Clone.SnapshotTime, "Snapshot clone does not have SnapshotTime set");
Assert.AreEqual(snapshot1.SnapshotTime.Value, snapshot1Clone.SnapshotTime.Value);
snapshot1Clone.FetchAttributesAsync().Wait();
AssertAreEqual(snapshot1.Properties, snapshot1Clone.Properties);
CloudBlob snapshotCopy = container.GetBlobReference("blob2");
snapshotCopy.StartCopyAsync(snapshot1.Uri, null, null, null, null).Wait();
WaitForCopy(snapshotCopy);
Assert.AreEqual(CopyStatus.Success, snapshotCopy.CopyState.Status);
using (Stream snapshotStream = snapshot1.OpenReadAsync().Result)
{
snapshotStream.Seek(0, SeekOrigin.End);
TestHelper.AssertStreamsAreEqual(originalData, snapshotStream);
}
appendBlob.CreateOrReplaceAsync().Wait();
blob.FetchAttributesAsync().Wait();
using (Stream snapshotStream = snapshot1.OpenReadAsync().Result)
{
snapshotStream.Seek(0, SeekOrigin.End);
TestHelper.AssertStreamsAreEqual(originalData, snapshotStream);
}
List <IListBlobItem> blobs =
container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, null, null)
.Result
.Results
.ToList();
Assert.AreEqual(4, blobs.Count);
AssertAreEqual(snapshot1, (CloudBlob)blobs[0]);
AssertAreEqual(snapshot2, (CloudBlob)blobs[1]);
AssertAreEqual(blob, (CloudBlob)blobs[2]);
AssertAreEqual(snapshotCopy, (CloudBlob)blobs[3]);
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}
public void CloudBlobSoftDeleteNoSnapshotTask()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
//Enables a delete retention policy on the blob with 1 day of default retention days
container.ServiceClient.EnableSoftDelete();
container.CreateAsync().Wait();
// Upload some data to the blob.
MemoryStream originalData = new MemoryStream(GetRandomBuffer(1024));
CloudAppendBlob appendBlob = container.GetAppendBlobReference(BlobName);
appendBlob.CreateOrReplaceAsync().Wait();
appendBlob.AppendBlockAsync(originalData, null).Wait();
CloudBlob blob = container.GetBlobReference(BlobName);
Assert.IsTrue(blob.ExistsAsync().Result);
Assert.IsFalse(blob.IsDeleted);
blob.DeleteAsync().Wait();
Assert.IsFalse(blob.ExistsAsync().Result);
int blobCount = 0;
BlobContinuationToken ct = null;
do
{
foreach (IListBlobItem item in container.ListBlobsSegmentedAsync
(null, true, BlobListingDetails.All, null, ct, null, null)
.Result
.Results
.ToList())
{
CloudAppendBlob blobItem = (CloudAppendBlob)item;
Assert.AreEqual(blobItem.Name, BlobName);
Assert.IsTrue(blobItem.IsDeleted);
Assert.IsNotNull(blobItem.Properties.DeletedTime);
Assert.AreEqual(blobItem.Properties.RemainingDaysBeforePermanentDelete, 0);
blobCount++;
}
} while (ct != null);
Assert.AreEqual(blobCount, 1);
blob.UndeleteAsync().Wait();
blob.FetchAttributes();
Assert.IsFalse(blob.IsDeleted);
Assert.IsNull(blob.Properties.DeletedTime);
Assert.IsNull(blob.Properties.RemainingDaysBeforePermanentDelete);
blobCount = 0;
ct = null;
do
{
foreach (IListBlobItem item in container.ListBlobsSegmentedAsync
(null, true, BlobListingDetails.All, null, ct, null, null)
.Result
.Results
.ToList())
{
CloudAppendBlob blobItem = (CloudAppendBlob)item;
Assert.AreEqual(blobItem.Name, BlobName);
Assert.IsFalse(blobItem.IsDeleted);
Assert.IsNull(blobItem.Properties.DeletedTime);
Assert.IsNull(blobItem.Properties.RemainingDaysBeforePermanentDelete);
blobCount++;
}
} while (ct != null);
Assert.AreEqual(blobCount, 1);
}
finally
{
container.ServiceClient.DisableSoftDelete();
container.DeleteIfExists();
}
}
public async Task AppendBlobReadLockToETagTestAsync()
{
byte[] outBuffer = new byte[1 * 1024 * 1024];
byte[] buffer = GetRandomBuffer(2 * outBuffer.Length);
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudAppendBlob blob = container.GetAppendBlobReference("blob1");
await blob.CreateOrReplaceAsync();
blob.StreamMinimumReadSizeInBytes = outBuffer.Length;
using (MemoryStream wholeBlob = new MemoryStream(buffer))
{
await blob.AppendBlockAsync(wholeBlob);
}
OperationContext opContext = new OperationContext();
using (var blobStream = await blob.OpenReadAsync(null, null, opContext))
{
Stream blobStreamForRead = blobStream;
await blobStreamForRead.ReadAsync(outBuffer, 0, outBuffer.Length);
await blob.SetMetadataAsync();
await TestHelper.ExpectedExceptionAsync(
async() => await blobStreamForRead.ReadAsync(outBuffer, 0, outBuffer.Length),
opContext,
"Blob read stream should fail if blob is modified during read",
HttpStatusCode.PreconditionFailed);
}
opContext = new OperationContext();
using (var blobStream = await blob.OpenReadAsync(null, null, opContext))
{
Stream blobStreamForRead = blobStream;
long length = blobStreamForRead.Length;
await blob.SetMetadataAsync();
await TestHelper.ExpectedExceptionAsync(
async() => await blobStreamForRead.ReadAsync(outBuffer, 0, outBuffer.Length),
opContext,
"Blob read stream should fail if blob is modified during read",
HttpStatusCode.PreconditionFailed);
}
opContext = new OperationContext();
AccessCondition accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(DateTimeOffset.Now.Subtract(TimeSpan.FromHours(1)));
await blob.SetMetadataAsync();
await TestHelper.ExpectedExceptionAsync(
async() => await blob.OpenReadAsync(accessCondition, null, opContext),
opContext,
"Blob read stream should fail if blob is modified during read",
HttpStatusCode.PreconditionFailed);
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}