public async Task CloudPageBlobResizeAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
CloudPageBlob blob2 = container.GetPageBlobReference("blob1");
await blob.CreateAsync(1024);
Assert.AreEqual(1024, blob.Properties.Length);
await blob2.FetchAttributesAsync();
Assert.AreEqual(1024, blob2.Properties.Length);
await blob.ResizeAsync(2048);
Assert.AreEqual(2048, blob.Properties.Length);
await blob2.FetchAttributesAsync();
Assert.AreEqual(2048, blob2.Properties.Length);
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task CloudPageBlobSetMetadataAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
await blob.CreateAsync(1024);
CloudPageBlob blob2 = container.GetPageBlobReference("blob1");
await blob2.FetchAttributesAsync();
Assert.AreEqual(0, blob2.Metadata.Count);
OperationContext operationContext = new OperationContext();
blob.Metadata["key1"] = null;
Assert.ThrowsException <AggregateException>(
() => blob.SetMetadataAsync(null, null, operationContext).AsTask().Wait(),
"Metadata keys should have a non-null value");
Assert.IsInstanceOfType(operationContext.LastResult.Exception.InnerException, typeof(ArgumentException));
blob.Metadata["key1"] = "";
Assert.ThrowsException <AggregateException>(
() => blob.SetMetadataAsync(null, null, operationContext).AsTask().Wait(),
"Metadata keys should have a non-empty value");
Assert.IsInstanceOfType(operationContext.LastResult.Exception.InnerException, typeof(ArgumentException));
blob.Metadata["key1"] = "value1";
await blob.SetMetadataAsync();
await blob2.FetchAttributesAsync();
Assert.AreEqual(1, blob2.Metadata.Count);
Assert.AreEqual("value1", blob2.Metadata["key1"]);
BlobResultSegment results = await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.Metadata, null, null, null, null);
CloudPageBlob blob3 = (CloudPageBlob)results.Results.First();
Assert.AreEqual(1, blob3.Metadata.Count);
Assert.AreEqual("value1", blob3.Metadata["key1"]);
blob.Metadata.Clear();
await blob.SetMetadataAsync();
await blob2.FetchAttributesAsync();
Assert.AreEqual(0, blob2.Metadata.Count);
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
private static async Task TestAccessAsync(BlobContainerPublicAccessType accessType, CloudBlobContainer container, CloudBlob inputBlob)
{
StorageCredentials credentials = new StorageCredentials();
container = new CloudBlobContainer(container.Uri, credentials);
CloudPageBlob blob = new CloudPageBlob(inputBlob.Uri, credentials);
OperationContext context = new OperationContext();
BlobRequestOptions options = new BlobRequestOptions();
if (accessType.Equals(BlobContainerPublicAccessType.Container))
{
await blob.FetchAttributesAsync();
await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, options, context);
await container.FetchAttributesAsync();
}
else if (accessType.Equals(BlobContainerPublicAccessType.Blob))
{
await blob.FetchAttributesAsync();
await TestHelper.ExpectedExceptionAsync(
async() => await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, options, context),
context,
"List blobs while public access does not allow for listing",
HttpStatusCode.NotFound);
await TestHelper.ExpectedExceptionAsync(
async() => await container.FetchAttributesAsync(null, options, context),
context,
"Fetch container attributes while public access does not allow",
HttpStatusCode.NotFound);
}
else
{
await TestHelper.ExpectedExceptionAsync(
async() => await blob.FetchAttributesAsync(null, options, context),
context,
"Fetch blob attributes while public access does not allow",
HttpStatusCode.NotFound);
await TestHelper.ExpectedExceptionAsync(
async() => await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, options, context),
context,
"List blobs while public access does not allow for listing",
HttpStatusCode.NotFound);
await TestHelper.ExpectedExceptionAsync(
async() => await container.FetchAttributesAsync(null, options, context),
context,
"Fetch container attributes while public access does not allow",
HttpStatusCode.NotFound);
}
}
public void CloudPageBlobCopyTestTask()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.CreateAsync().Wait();
CloudPageBlob source = container.GetPageBlobReference("source");
string data = new string('a', 512);
UploadTextTask(source, data, Encoding.UTF8);
source.Metadata["Test"] = "value";
source.SetMetadataAsync().Wait();
CloudPageBlob copy = container.GetPageBlobReference("copy");
string copyId = copy.StartCopyAsync(TestHelper.Defiddler(source)).Result;
Assert.AreEqual(BlobType.PageBlob, copy.BlobType);
WaitForCopyTask(copy);
Assert.AreEqual(CopyStatus.Success, copy.CopyState.Status);
Assert.AreEqual(source.Uri.AbsolutePath, copy.CopyState.Source.AbsolutePath);
Assert.AreEqual(data.Length, copy.CopyState.TotalBytes);
Assert.AreEqual(data.Length, copy.CopyState.BytesCopied);
Assert.AreEqual(copyId, copy.CopyState.CopyId);
Assert.IsTrue(copy.CopyState.CompletionTime > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));
TestHelper.ExpectedExceptionTask(
copy.AbortCopyAsync(copyId),
"Aborting a copy operation after completion should fail",
HttpStatusCode.Conflict,
"NoPendingCopyOperation");
source.FetchAttributesAsync().Wait();
Assert.IsNotNull(copy.Properties.ETag);
Assert.AreNotEqual(source.Properties.ETag, copy.Properties.ETag);
Assert.IsTrue(copy.Properties.LastModified > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));
string copyData = DownloadTextTask(copy, Encoding.UTF8);
Assert.AreEqual(data, copyData, "Data inside copy of blob not similar");
copy.FetchAttributesAsync().Wait();
BlobProperties prop1 = copy.Properties;
BlobProperties prop2 = source.Properties;
Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
Assert.AreEqual(prop1.ContentType, prop2.ContentType);
Assert.AreEqual("value", copy.Metadata["Test"], false, "Copied metadata not same");
copy.DeleteAsync().Wait();
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}
private static async Task TestAccessAsync(BlobContainerPublicAccessType accessType, CloudBlobContainer container, CloudBlob inputBlob)
{
StorageCredentials credentials = new StorageCredentials();
container = new CloudBlobContainer(container.Uri, credentials);
CloudPageBlob blob = new CloudPageBlob(inputBlob.Uri, credentials);
OperationContext context = new OperationContext();
BlobRequestOptions options = new BlobRequestOptions();
if (accessType.Equals(BlobContainerPublicAccessType.Container))
{
await blob.FetchAttributesAsync();
await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, options, context);
await container.FetchAttributesAsync();
}
else if (accessType.Equals(BlobContainerPublicAccessType.Blob))
{
await blob.FetchAttributesAsync();
await TestHelper.ExpectedExceptionAsync(
async () => await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, options, context),
context,
"List blobs while public access does not allow for listing",
HttpStatusCode.NotFound);
await TestHelper.ExpectedExceptionAsync(
async () => await container.FetchAttributesAsync(null, options, context),
context,
"Fetch container attributes while public access does not allow",
HttpStatusCode.NotFound);
}
else
{
await TestHelper.ExpectedExceptionAsync(
async () => await blob.FetchAttributesAsync(null, options, context),
context,
"Fetch blob attributes while public access does not allow",
HttpStatusCode.NotFound);
await TestHelper.ExpectedExceptionAsync(
async () => await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, options, context),
context,
"List blobs while public access does not allow for listing",
HttpStatusCode.NotFound);
await TestHelper.ExpectedExceptionAsync(
async () => await container.FetchAttributesAsync(null, options, context),
context,
"Fetch container attributes while public access does not allow",
HttpStatusCode.NotFound);
}
}
public async Task BlobWriteStreamOpenAndCloseAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
// Block blob tests
CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
using (Stream writeStream = await blockBlob.OpenWriteAsync())
{
}
CloudBlockBlob blockBlob2 = container.GetBlockBlobReference(blockBlob.Name);
await blockBlob2.FetchAttributesAsync();
Assert.AreEqual(0, blockBlob2.Properties.Length);
Assert.AreEqual(BlobType.BlockBlob, blockBlob2.Properties.BlobType);
// Page blob tests
CloudPageBlob pageBlob = container.GetPageBlobReference("blob2");
OperationContext opContext = new OperationContext();
await TestHelper.ExpectedExceptionAsync(
async() => await pageBlob.OpenWriteAsync(null, null, null, opContext),
opContext,
"Opening a page blob stream with no size should fail on a blob that does not exist",
HttpStatusCode.NotFound);
using (Stream writeStream = await pageBlob.OpenWriteAsync(1024))
{
}
using (Stream writeStream = await pageBlob.OpenWriteAsync(null))
{
}
CloudPageBlob pageBlob2 = container.GetPageBlobReference(pageBlob.Name);
await pageBlob2.FetchAttributesAsync();
Assert.AreEqual(1024, pageBlob2.Properties.Length);
Assert.AreEqual(BlobType.PageBlob, pageBlob2.Properties.BlobType);
// Append blob test
CloudAppendBlob appendBlob = container.GetAppendBlobReference("blob3");
using (Stream writeStream = await appendBlob.OpenWriteAsync(true))
{
}
CloudAppendBlob appendBlob2 = container.GetAppendBlobReference(appendBlob.Name);
await appendBlob2.FetchAttributesAsync();
Assert.AreEqual(0, appendBlob2.Properties.Length);
Assert.AreEqual(BlobType.AppendBlob, appendBlob2.Properties.BlobType);
}
finally
{
container.DeleteAsync().Wait();
}
}
public async Task CloudPageBlobCopyTestWithMetadataOverrideAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob source = container.GetPageBlobReference("source");
string data = new string('a', 512);
await UploadTextAsync(source, data, Encoding.UTF8);
source.Metadata["Test"] = "value";
await source.SetMetadataAsync();
CloudPageBlob copy = container.GetPageBlobReference("copy");
copy.Metadata["Test2"] = "value2";
string copyId = await copy.StartCopyFromBlobAsync(TestHelper.Defiddler(source));
await WaitForCopyAsync(copy);
Assert.AreEqual(CopyStatus.Success, copy.CopyState.Status);
Assert.AreEqual(source.Uri.AbsolutePath, copy.CopyState.Source.AbsolutePath);
Assert.AreEqual(data.Length, copy.CopyState.TotalBytes);
Assert.AreEqual(data.Length, copy.CopyState.BytesCopied);
Assert.AreEqual(copyId, copy.CopyState.CopyId);
Assert.IsTrue(copy.CopyState.CompletionTime > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));
string copyData = await DownloadTextAsync(copy, Encoding.UTF8);
Assert.AreEqual(data, copyData, "Data inside copy of blob not similar");
await copy.FetchAttributesAsync();
await source.FetchAttributesAsync();
BlobProperties prop1 = copy.Properties;
BlobProperties prop2 = source.Properties;
Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
Assert.AreEqual(prop1.ContentDisposition, prop2.ContentDisposition);
Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
Assert.AreEqual(prop1.ContentType, prop2.ContentType);
Assert.AreEqual("value2", copy.Metadata["Test2"], false, "Copied metadata not same");
Assert.IsFalse(copy.Metadata.ContainsKey("Test"), "Source Metadata should not appear in destination blob");
await copy.DeleteAsync();
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task CloudPageBlobSetPropertiesAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
await blob.CreateAsync(1024);
string eTag = blob.Properties.ETag;
DateTimeOffset lastModified = blob.Properties.LastModified.Value;
await Task.Delay(1000);
blob.Properties.CacheControl = "no-transform";
blob.Properties.ContentEncoding = "gzip";
blob.Properties.ContentLanguage = "tr,en";
blob.Properties.ContentMD5 = "MDAwMDAwMDA=";
blob.Properties.ContentType = "text/html";
await blob.SetPropertiesAsync();
Assert.IsTrue(blob.Properties.LastModified > lastModified);
Assert.AreNotEqual(eTag, blob.Properties.ETag);
CloudPageBlob blob2 = container.GetPageBlobReference("blob1");
await blob2.FetchAttributesAsync();
Assert.AreEqual("no-transform", blob2.Properties.CacheControl);
Assert.AreEqual("gzip", blob2.Properties.ContentEncoding);
Assert.AreEqual("tr,en", blob2.Properties.ContentLanguage);
Assert.AreEqual("MDAwMDAwMDA=", blob2.Properties.ContentMD5);
Assert.AreEqual("text/html", blob2.Properties.ContentType);
CloudPageBlob blob3 = container.GetPageBlobReference("blob1");
using (MemoryStream stream = new MemoryStream())
{
BlobRequestOptions options = new BlobRequestOptions()
{
DisableContentMD5Validation = true,
};
await blob3.DownloadToStreamAsync(stream.AsOutputStream(), null, options, null);
}
AssertAreEqual(blob2.Properties, blob3.Properties);
BlobResultSegment results = await container.ListBlobsSegmentedAsync(null);
CloudPageBlob blob4 = (CloudPageBlob)results.Results.First();
AssertAreEqual(blob2.Properties, blob4.Properties);
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task PageBlobWriteStreamRandomSeekTestAsync()
{
byte[] buffer = GetRandomBuffer(3 * 1024 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
container.ServiceClient.ParallelOperationThreadCount = 2;
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream wholeBlob = new MemoryStream())
{
using (IOutputStream writeStream = await blob.OpenWriteAsync(buffer.Length))
{
Stream blobStream = writeStream.AsStreamForWrite();
TestHelper.ExpectedException <ArgumentOutOfRangeException>(
() => blobStream.Seek(1, SeekOrigin.Begin),
"Page blob stream should not allow unaligned seeks");
await blobStream.WriteAsync(buffer, 0, buffer.Length);
await wholeBlob.WriteAsync(buffer, 0, buffer.Length);
Random random = new Random();
for (int i = 0; i < 10; i++)
{
int offset = random.Next(buffer.Length / 512) * 512;
SeekRandomly(blobStream, offset);
await blobStream.WriteAsync(buffer, 0, buffer.Length - offset);
wholeBlob.Seek(offset, SeekOrigin.Begin);
await wholeBlob.WriteAsync(buffer, 0, buffer.Length - offset);
}
}
wholeBlob.Seek(0, SeekOrigin.End);
await blob.FetchAttributesAsync();
Assert.IsNull(blob.Properties.ContentMD5);
using (MemoryStream downloadedBlob = new MemoryStream())
{
await blob.DownloadToStreamAsync(downloadedBlob.AsOutputStream());
TestHelper.AssertStreamsAreEqual(wholeBlob, downloadedBlob);
}
}
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task PageBlobWriteStreamBasicTestAsync()
{
byte[] buffer = GetRandomBuffer(3 * 1024 * 1024);
CryptographicHash hasher = HashAlgorithmProvider.OpenAlgorithm("MD5").CreateHash();
CloudBlobClient blobClient = GenerateCloudBlobClient();
blobClient.ParallelOperationThreadCount = 2;
string name = GetRandomContainerName();
CloudBlobContainer container = blobClient.GetContainerReference(name);
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream wholeBlob = new MemoryStream())
{
BlobRequestOptions options = new BlobRequestOptions()
{
StoreBlobContentMD5 = true,
};
using (IOutputStream 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);
hasher.Append(buffer.AsBuffer());
}
}
string md5 = CryptographicBuffer.EncodeToBase64String(hasher.GetValueAndReset());
await blob.FetchAttributesAsync();
Assert.AreEqual(md5, blob.Properties.ContentMD5);
using (MemoryStream downloadedBlob = new MemoryStream())
{
await blob.DownloadToStreamAsync(downloadedBlob.AsOutputStream());
TestHelper.AssertStreamsAreEqual(wholeBlob, downloadedBlob);
}
}
}
finally
{
container.DeleteAsync().AsTask().Wait();
}
}
public async Task CloudPageBlobSnapshotAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
await blob.CreateAsync(1024);
CloudPageBlob snapshot1 = await blob.CreateSnapshotAsync();
Assert.AreEqual(blob.Properties.ETag, snapshot1.Properties.ETag);
Assert.AreEqual(blob.Properties.LastModified, snapshot1.Properties.LastModified);
Assert.IsNotNull(snapshot1.SnapshotTime, "Snapshot does not have SnapshotTime set");
CloudPageBlob snapshot2 = await blob.CreateSnapshotAsync();
Assert.IsTrue(snapshot2.SnapshotTime.Value > snapshot1.SnapshotTime.Value);
await snapshot1.FetchAttributesAsync();
await snapshot2.FetchAttributesAsync();
await blob.FetchAttributesAsync();
AssertAreEqual(snapshot1.Properties, blob.Properties);
CloudPageBlob snapshotCopy = container.GetPageBlobReference("blob2");
await snapshotCopy.StartCopyFromBlobAsync(TestHelper.Defiddler(snapshot1.Uri));
await WaitForCopyAsync(snapshotCopy);
Assert.AreEqual(CopyStatus.Success, snapshotCopy.CopyState.Status);
await TestHelper.ExpectedExceptionAsync <InvalidOperationException>(
async() => await snapshot1.OpenWriteAsync(1024),
"Trying to write to a blob snapshot should fail");
BlobResultSegment resultSegment = await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, null, null);
List <IListBlobItem> blobs = resultSegment.Results.ToList();
Assert.AreEqual(4, blobs.Count);
AssertAreEqual(snapshot1, (ICloudBlob)blobs[0]);
AssertAreEqual(snapshot2, (ICloudBlob)blobs[1]);
AssertAreEqual(blob, (ICloudBlob)blobs[2]);
AssertAreEqual(snapshotCopy, (ICloudBlob)blobs[3]);
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
private static void TestAccessTask(BlobContainerPublicAccessType accessType, CloudBlobContainer container, ICloudBlob inputBlob)
{
StorageCredentials credentials = new StorageCredentials();
container = new CloudBlobContainer(container.Uri, credentials);
CloudPageBlob blob = new CloudPageBlob(inputBlob.Uri, credentials);
if (accessType.Equals(BlobContainerPublicAccessType.Container))
{
blob.FetchAttributesAsync().Wait();
BlobContinuationToken token = null;
do
{
BlobResultSegment results = container.ListBlobsSegmented(token);
results.Results.ToArray();
token = results.ContinuationToken;
}
while (token != null);
container.FetchAttributesAsync().Wait();
}
else if (accessType.Equals(BlobContainerPublicAccessType.Blob))
{
blob.FetchAttributesAsync().Wait();
TestHelper.ExpectedExceptionTask(
container.ListBlobsSegmentedAsync(null),
"List blobs while public access does not allow for listing",
HttpStatusCode.NotFound);
TestHelper.ExpectedExceptionTask(
container.FetchAttributesAsync(),
"Fetch container attributes while public access does not allow",
HttpStatusCode.NotFound);
}
else
{
TestHelper.ExpectedExceptionTask(
blob.FetchAttributesAsync(),
"Fetch blob attributes while public access does not allow",
HttpStatusCode.NotFound);
TestHelper.ExpectedExceptionTask(
container.ListBlobsSegmentedAsync(null),
"List blobs while public access does not allow for listing",
HttpStatusCode.NotFound);
TestHelper.ExpectedExceptionTask(
container.FetchAttributesAsync(),
"Fetch container attributes while public access does not allow",
HttpStatusCode.NotFound);
}
}
private async Task CloudPageBlobUploadFromStreamAsync(int startOffset)
{
byte[] buffer = GetRandomBuffer(1 * 1024 * 1024);
CryptographicHash hasher = HashAlgorithmProvider.OpenAlgorithm("MD5").CreateHash();
hasher.Append(buffer.AsBuffer(startOffset, buffer.Length - startOffset));
string md5 = CryptographicBuffer.EncodeToBase64String(hasher.GetValueAndReset());
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream originalBlob = new MemoryStream())
{
originalBlob.Write(buffer, startOffset, buffer.Length - startOffset);
using (MemoryStream sourceStream = new MemoryStream(buffer))
{
sourceStream.Seek(startOffset, SeekOrigin.Begin);
BlobRequestOptions options = new BlobRequestOptions()
{
StoreBlobContentMD5 = true,
};
await blob.UploadFromStreamAsync(sourceStream.AsInputStream(), null, options, null);
}
await blob.FetchAttributesAsync();
Assert.AreEqual(md5, blob.Properties.ContentMD5);
using (MemoryStream downloadedBlob = new MemoryStream())
{
await blob.DownloadToStreamAsync(downloadedBlob.AsOutputStream());
TestHelper.AssertStreamsAreEqual(originalBlob, downloadedBlob);
}
}
}
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 CloudPageBlobFetchAttributesAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
await blob.CreateAsync(1024);
Assert.AreEqual(1024, blob.Properties.Length);
Assert.IsNotNull(blob.Properties.ETag);
Assert.IsTrue(blob.Properties.LastModified > DateTimeOffset.UtcNow.AddMinutes(-5));
Assert.IsNull(blob.Properties.CacheControl);
Assert.IsNull(blob.Properties.ContentEncoding);
Assert.IsNull(blob.Properties.ContentLanguage);
Assert.IsNull(blob.Properties.ContentType);
Assert.IsNull(blob.Properties.ContentMD5);
Assert.AreEqual(LeaseStatus.Unspecified, blob.Properties.LeaseStatus);
Assert.AreEqual(BlobType.PageBlob, blob.Properties.BlobType);
CloudPageBlob blob2 = container.GetPageBlobReference("blob1");
await blob2.FetchAttributesAsync();
Assert.AreEqual(1024, blob2.Properties.Length);
Assert.AreEqual(blob.Properties.ETag, blob2.Properties.ETag);
Assert.AreEqual(blob.Properties.LastModified, blob2.Properties.LastModified);
Assert.IsNull(blob2.Properties.CacheControl);
Assert.IsNull(blob2.Properties.ContentEncoding);
Assert.IsNull(blob2.Properties.ContentLanguage);
Assert.AreEqual("application/octet-stream", blob2.Properties.ContentType);
Assert.IsNull(blob2.Properties.ContentMD5);
Assert.AreEqual(LeaseStatus.Unlocked, blob2.Properties.LeaseStatus);
Assert.AreEqual(BlobType.PageBlob, blob2.Properties.BlobType);
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task CloudPageBlobSnapshotMetadataAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
await blob.CreateAsync(1024);
blob.Metadata["Hello"] = "World";
blob.Metadata["Marco"] = "Polo";
await blob.SetMetadataAsync();
IDictionary <string, string> snapshotMetadata = new Dictionary <string, string>();
snapshotMetadata["Hello"] = "Dolly";
snapshotMetadata["Yoyo"] = "Ma";
CloudPageBlob snapshot = await blob.CreateSnapshotAsync(snapshotMetadata, null, null, null);
// Test the client view against the expected metadata
// None of the original metadata should be present
Assert.AreEqual("Dolly", snapshot.Metadata["Hello"]);
Assert.AreEqual("Ma", snapshot.Metadata["Yoyo"]);
Assert.IsFalse(snapshot.Metadata.ContainsKey("Marco"));
// Test the server view against the expected metadata
await snapshot.FetchAttributesAsync();
Assert.AreEqual("Dolly", snapshot.Metadata["Hello"]);
Assert.AreEqual("Ma", snapshot.Metadata["Yoyo"]);
Assert.IsFalse(snapshot.Metadata.ContainsKey("Marco"));
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
private async Task CloudPageBlobUploadFromStreamAsync(CloudBlobContainer container, int size, AccessCondition accessCondition, OperationContext operationContext, int startOffset)
{
byte[] buffer = GetRandomBuffer(size);
CryptographicHash hasher = HashAlgorithmProvider.OpenAlgorithm("MD5").CreateHash();
hasher.Append(buffer.AsBuffer(startOffset, buffer.Length - startOffset));
string md5 = CryptographicBuffer.EncodeToBase64String(hasher.GetValueAndReset());
CloudPageBlob blob = container.GetPageBlobReference("blob1");
blob.StreamWriteSizeInBytes = 512;
using (MemoryStream originalBlob = new MemoryStream())
{
originalBlob.Write(buffer, startOffset, buffer.Length - startOffset);
using (MemoryStream sourceStream = new MemoryStream(buffer))
{
sourceStream.Seek(startOffset, SeekOrigin.Begin);
BlobRequestOptions options = new BlobRequestOptions()
{
StoreBlobContentMD5 = true,
};
await blob.UploadFromStreamAsync(sourceStream.AsInputStream(), accessCondition, options, operationContext);
}
await blob.FetchAttributesAsync();
Assert.AreEqual(md5, blob.Properties.ContentMD5);
using (MemoryStream downloadedBlob = new MemoryStream())
{
await blob.DownloadToStreamAsync(downloadedBlob.AsOutputStream());
TestHelper.AssertStreamsAreEqual(originalBlob, downloadedBlob);
}
}
}
public async Task CloudPageBlobCreateWithMetadataAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
blob.Metadata["key1"] = "value1";
await blob.CreateAsync(1024);
CloudPageBlob blob2 = container.GetPageBlobReference("blob1");
await blob2.FetchAttributesAsync();
Assert.AreEqual(1, blob2.Metadata.Count);
Assert.AreEqual("value1", blob2.Metadata["key1"]);
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task CloudBlockBlobFetchAttributesInvalidTypeAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudBlockBlob blob = container.GetBlockBlobReference("blob1");
await CreateForTestAsync(blob, 1, 1024);
CloudPageBlob blob2 = container.GetPageBlobReference("blob1");
OperationContext operationContext = new OperationContext();
Assert.ThrowsException <AggregateException>(
() => blob2.FetchAttributesAsync(null, null, operationContext).AsTask().Wait(),
"Fetching attributes of a block blob using a page blob reference should fail");
Assert.IsInstanceOfType(operationContext.LastResult.Exception.InnerException, typeof(InvalidOperationException));
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task CloudPageBlobSnapshotAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
MemoryStream originalData = new MemoryStream(GetRandomBuffer(1024));
CloudPageBlob blob = container.GetPageBlobReference("blob1");
await blob.UploadFromStreamAsync(originalData);
Assert.IsFalse(blob.IsSnapshot);
Assert.IsNull(blob.SnapshotTime, "Root blob has SnapshotTime set");
Assert.IsFalse(blob.SnapshotQualifiedUri.Query.Contains("snapshot"));
Assert.AreEqual(blob.Uri, blob.SnapshotQualifiedUri);
CloudPageBlob snapshot1 = await blob.CreateSnapshotAsync();
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"));
CloudPageBlob snapshot2 = await blob.CreateSnapshotAsync();
Assert.IsTrue(snapshot2.SnapshotTime.Value > snapshot1.SnapshotTime.Value);
await snapshot1.FetchAttributesAsync();
await snapshot2.FetchAttributesAsync();
await blob.FetchAttributesAsync();
AssertAreEqual(snapshot1.Properties, blob.Properties);
CloudPageBlob snapshot1Clone = new CloudPageBlob(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);
await snapshot1Clone.FetchAttributesAsync();
AssertAreEqual(snapshot1.Properties, snapshot1Clone.Properties);
CloudPageBlob snapshotCopy = container.GetPageBlobReference("blob2");
await snapshotCopy.StartCopyAsync(TestHelper.Defiddler(snapshot1.Uri));
await WaitForCopyAsync(snapshotCopy);
Assert.AreEqual(CopyStatus.Success, snapshotCopy.CopyState.Status);
await TestHelper.ExpectedExceptionAsync<InvalidOperationException>(
async () => await snapshot1.OpenWriteAsync(1024),
"Trying to write to a blob snapshot should fail");
using (Stream snapshotStream = (await snapshot1.OpenReadAsync()))
{
snapshotStream.Seek(0, SeekOrigin.End);
TestHelper.AssertStreamsAreEqual(originalData, snapshotStream);
}
await blob.CreateAsync(1024);
using (Stream snapshotStream = (await snapshot1.OpenReadAsync()))
{
snapshotStream.Seek(0, SeekOrigin.End);
TestHelper.AssertStreamsAreEqual(originalData, snapshotStream);
}
BlobResultSegment resultSegment = await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, null, null);
List<IListBlobItem> blobs = resultSegment.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 async Task PageBlobWriteStreamBasicTestAsync()
{
byte[] buffer = GetRandomBuffer(6 * 512);
CryptographicHash hasher = HashAlgorithmProvider.OpenAlgorithm("MD5").CreateHash();
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 (IOutputStream 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);
hasher.Append(buffer.AsBuffer());
}
await blobStream.FlushAsync();
}
string md5 = CryptographicBuffer.EncodeToBase64String(hasher.GetValueAndReset());
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 (IOutputStream 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 CloudPageBlobConditionalAccessAsync()
{
OperationContext operationContext = new OperationContext();
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
await blob.CreateAsync(1024);
await blob.FetchAttributesAsync();
string currentETag = blob.Properties.ETag;
DateTimeOffset currentModifiedTime = blob.Properties.LastModified.Value;
// ETag conditional tests
blob.Metadata["ETagConditionalName"] = "ETagConditionalValue";
await blob.SetMetadataAsync(AccessCondition.GenerateIfMatchCondition(currentETag), null, null);
await blob.FetchAttributesAsync();
string newETag = blob.Properties.ETag;
Assert.AreNotEqual(newETag, currentETag, "ETage should be modified on write metadata");
blob.Metadata["ETagConditionalName"] = "ETagConditionalValue2";
await TestHelper.ExpectedExceptionAsync(
async() => await blob.SetMetadataAsync(AccessCondition.GenerateIfNoneMatchCondition(newETag), null, operationContext),
operationContext,
"If none match on conditional test should throw",
HttpStatusCode.PreconditionFailed,
"ConditionNotMet");
string invalidETag = "\"0x10101010\"";
await TestHelper.ExpectedExceptionAsync(
async() => await blob.SetMetadataAsync(AccessCondition.GenerateIfMatchCondition(invalidETag), null, operationContext),
operationContext,
"Invalid ETag on conditional test should throw",
HttpStatusCode.PreconditionFailed,
"ConditionNotMet");
currentETag = blob.Properties.ETag;
await blob.SetMetadataAsync(AccessCondition.GenerateIfNoneMatchCondition(invalidETag), null, null);
await blob.FetchAttributesAsync();
newETag = blob.Properties.ETag;
// LastModifiedTime tests
currentModifiedTime = blob.Properties.LastModified.Value;
blob.Metadata["DateConditionalName"] = "DateConditionalValue";
await TestHelper.ExpectedExceptionAsync(
async() => await blob.SetMetadataAsync(AccessCondition.GenerateIfModifiedSinceCondition(currentModifiedTime), null, operationContext),
operationContext,
"IfModifiedSince conditional on current modified time should throw",
HttpStatusCode.PreconditionFailed,
"ConditionNotMet");
DateTimeOffset pastTime = currentModifiedTime.Subtract(TimeSpan.FromMinutes(5));
await blob.SetMetadataAsync(AccessCondition.GenerateIfModifiedSinceCondition(pastTime), null, null);
pastTime = currentModifiedTime.Subtract(TimeSpan.FromHours(5));
await blob.SetMetadataAsync(AccessCondition.GenerateIfModifiedSinceCondition(pastTime), null, null);
pastTime = currentModifiedTime.Subtract(TimeSpan.FromDays(5));
await blob.SetMetadataAsync(AccessCondition.GenerateIfModifiedSinceCondition(pastTime), null, null);
currentModifiedTime = blob.Properties.LastModified.Value;
pastTime = currentModifiedTime.Subtract(TimeSpan.FromMinutes(5));
await TestHelper.ExpectedExceptionAsync(
async() => await blob.SetMetadataAsync(AccessCondition.GenerateIfNotModifiedSinceCondition(pastTime), null, operationContext),
operationContext,
"IfNotModifiedSince conditional on past time should throw",
HttpStatusCode.PreconditionFailed,
"ConditionNotMet");
pastTime = currentModifiedTime.Subtract(TimeSpan.FromHours(5));
await TestHelper.ExpectedExceptionAsync(
async() => await blob.SetMetadataAsync(AccessCondition.GenerateIfNotModifiedSinceCondition(pastTime), null, operationContext),
operationContext,
"IfNotModifiedSince conditional on past time should throw",
HttpStatusCode.PreconditionFailed,
"ConditionNotMet");
pastTime = currentModifiedTime.Subtract(TimeSpan.FromDays(5));
await TestHelper.ExpectedExceptionAsync(
async() => await blob.SetMetadataAsync(AccessCondition.GenerateIfNotModifiedSinceCondition(pastTime), null, operationContext),
operationContext,
"IfNotModifiedSince conditional on past time should throw",
HttpStatusCode.PreconditionFailed,
"ConditionNotMet");
blob.Metadata["DateConditionalName"] = "DateConditionalValue2";
currentETag = blob.Properties.ETag;
await blob.SetMetadataAsync(AccessCondition.GenerateIfNotModifiedSinceCondition(currentModifiedTime), null, null);
await blob.FetchAttributesAsync();
newETag = blob.Properties.ETag;
Assert.AreNotEqual(newETag, currentETag, "ETage should be modified on write metadata");
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task StoreBlobContentMD5TestAsync()
{
BlobRequestOptions optionsWithNoMD5 = new BlobRequestOptions()
{
StoreBlobContentMD5 = false,
};
BlobRequestOptions optionsWithMD5 = new BlobRequestOptions()
{
StoreBlobContentMD5 = true,
};
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudBlockBlob blob1 = container.GetBlockBlobReference("blob1");
using (Stream stream = new NonSeekableMemoryStream())
{
await blob1.UploadFromStreamAsync(stream, null, optionsWithMD5, null);
}
await blob1.FetchAttributesAsync();
Assert.IsNotNull(blob1.Properties.ContentMD5);
blob1 = container.GetBlockBlobReference("blob2");
using (Stream stream = new NonSeekableMemoryStream())
{
await blob1.UploadFromStreamAsync(stream, null, optionsWithNoMD5, null);
}
await blob1.FetchAttributesAsync();
Assert.IsNull(blob1.Properties.ContentMD5);
blob1 = container.GetBlockBlobReference("blob3");
using (Stream stream = new NonSeekableMemoryStream())
{
await blob1.UploadFromStreamAsync(stream);
}
await blob1.FetchAttributesAsync();
Assert.IsNotNull(blob1.Properties.ContentMD5);
CloudPageBlob blob2 = container.GetPageBlobReference("blob4");
blob2 = container.GetPageBlobReference("blob4");
using (Stream stream = new MemoryStream())
{
await blob2.UploadFromStreamAsync(stream, null, optionsWithMD5, null);
}
await blob2.FetchAttributesAsync();
Assert.IsNotNull(blob2.Properties.ContentMD5);
blob2 = container.GetPageBlobReference("blob5");
using (Stream stream = new MemoryStream())
{
await blob2.UploadFromStreamAsync(stream, null, optionsWithNoMD5, null);
}
await blob2.FetchAttributesAsync();
Assert.IsNull(blob2.Properties.ContentMD5);
blob2 = container.GetPageBlobReference("blob6");
using (Stream stream = new MemoryStream())
{
await blob2.UploadFromStreamAsync(stream);
}
await blob2.FetchAttributesAsync();
Assert.IsNull(blob2.Properties.ContentMD5);
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}
public async Task CloudPageBlobCopyFromSnapshotTestAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudPageBlob source = container.GetPageBlobReference("source");
string data = new string('a', 512);
await UploadTextAsync(source, data, Encoding.UTF8);
source.Metadata["Test"] = "value";
await source.SetMetadataAsync();
CloudPageBlob snapshot = await source.CreateSnapshotAsync();
//Modify source
string newData = new string('b', 512);
source.Metadata["Test"] = "newvalue";
await source.SetMetadataAsync();
source.Properties.ContentMD5 = null;
await UploadTextAsync(source, newData, Encoding.UTF8);
Assert.AreEqual(newData, await DownloadTextAsync(source, Encoding.UTF8), "Source is modified correctly");
Assert.AreEqual(data, await DownloadTextAsync(snapshot, Encoding.UTF8), "Modifying source blob should not modify snapshot");
await source.FetchAttributesAsync();
await snapshot.FetchAttributesAsync();
Assert.AreNotEqual(source.Metadata["Test"], snapshot.Metadata["Test"], "Source and snapshot metadata should be independent");
CloudPageBlob copy = container.GetPageBlobReference("copy");
await copy.StartCopyFromBlobAsync(TestHelper.Defiddler(snapshot));
await WaitForCopyAsync(copy);
Assert.AreEqual(CopyStatus.Success, copy.CopyState.Status);
Assert.AreEqual(data, await DownloadTextAsync(copy, Encoding.UTF8), "Data inside copy of blob not similar");
await copy.FetchAttributesAsync();
BlobProperties prop1 = copy.Properties;
BlobProperties prop2 = snapshot.Properties;
Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
Assert.AreEqual(prop1.ContentDisposition, prop2.ContentDisposition);
Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
Assert.AreEqual(prop1.ContentType, prop2.ContentType);
Assert.AreEqual("value", copy.Metadata["Test"], false, "Copied metadata not same");
await copy.DeleteAsync();
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
public async Task CloudPageBlobSnapshotAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
MemoryStream originalData = new MemoryStream(GetRandomBuffer(1024));
CloudPageBlob blob = container.GetPageBlobReference("blob1");
await blob.UploadFromStreamAsync(originalData.AsInputStream());
CloudPageBlob snapshot1 = await blob.CreateSnapshotAsync();
Assert.AreEqual(blob.Properties.ETag, snapshot1.Properties.ETag);
Assert.AreEqual(blob.Properties.LastModified, snapshot1.Properties.LastModified);
Assert.IsNotNull(snapshot1.SnapshotTime, "Snapshot does not have SnapshotTime set");
CloudPageBlob snapshot2 = await blob.CreateSnapshotAsync();
Assert.IsTrue(snapshot2.SnapshotTime.Value > snapshot1.SnapshotTime.Value);
await snapshot1.FetchAttributesAsync();
await snapshot2.FetchAttributesAsync();
await blob.FetchAttributesAsync();
AssertAreEqual(snapshot1.Properties, blob.Properties);
CloudPageBlob snapshot1Clone = new CloudPageBlob(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);
await snapshot1Clone.FetchAttributesAsync();
AssertAreEqual(snapshot1.Properties, snapshot1Clone.Properties);
CloudPageBlob snapshotCopy = container.GetPageBlobReference("blob2");
await snapshotCopy.StartCopyFromBlobAsync(TestHelper.Defiddler(snapshot1.Uri));
await WaitForCopyAsync(snapshotCopy);
Assert.AreEqual(CopyStatus.Success, snapshotCopy.CopyState.Status);
await TestHelper.ExpectedExceptionAsync <InvalidOperationException>(
async() => await snapshot1.OpenWriteAsync(1024),
"Trying to write to a blob snapshot should fail");
using (Stream snapshotStream = (await snapshot1.OpenReadAsync()).AsStreamForRead())
{
snapshotStream.Seek(0, SeekOrigin.End);
TestHelper.AssertStreamsAreEqual(originalData, snapshotStream);
}
await blob.CreateAsync(1024);
using (Stream snapshotStream = (await snapshot1.OpenReadAsync()).AsStreamForRead())
{
snapshotStream.Seek(0, SeekOrigin.End);
TestHelper.AssertStreamsAreEqual(originalData, snapshotStream);
}
BlobResultSegment resultSegment = await container.ListBlobsSegmentedAsync(null, true, BlobListingDetails.All, null, null, null, null);
List <IListBlobItem> blobs = resultSegment.Results.ToList();
Assert.AreEqual(4, blobs.Count);
AssertAreEqual(snapshot1, (ICloudBlob)blobs[0]);
AssertAreEqual(snapshot2, (ICloudBlob)blobs[1]);
AssertAreEqual(blob, (ICloudBlob)blobs[2]);
AssertAreEqual(snapshotCopy, (ICloudBlob)blobs[3]);
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}