/// <summary>
/// Return a task that asynchronously delete the specified container.
/// </summary>
/// <param name="container">CloudBlobContainer object</param>
/// <param name="accessCondition">Access condition</param>
/// <param name="requestOptions">Blob request option</param>
/// <param name="operationContext">Operation context</param>
/// <param name="cmdletCancellationToken">Cancellation token</param>
/// <returns>Return a task that asynchronously delete the specified container.</returns>
public Task DeleteContainerAsync(CloudBlobContainer container, AccessCondition accessCondition, BlobRequestOptions requestOptions, OperationContext operationContext, CancellationToken cancellationToken)
{
return container.DeleteAsync(accessCondition, requestOptions, operationContext, cancellationToken);
}
/// <summary>
/// Test container deletion, expecting lease failure.
/// </summary>
/// <param name="testContainer">The container.</param>
/// <param name="testAccessCondition">The failing access condition to use.</param>
/// <param name="expectedErrorCode">The expected error code.</param>
/// <param name="description">The reason why these calls should fail.</param>
private async Task ContainerDeleteExpectLeaseFailureAsync(CloudBlobContainer testContainer, AccessCondition testAccessCondition, HttpStatusCode expectedStatusCode, string expectedErrorCode, string description)
{
OperationContext operationContext = new OperationContext();
await TestHelper.ExpectedExceptionAsync(
async () => await testContainer.DeleteAsync(testAccessCondition, null /* options */, operationContext),
operationContext,
description + " (Delete)",
expectedStatusCode,
expectedErrorCode);
}
/// <summary>
/// Test container deletion, expecting success.
/// </summary>
/// <param name="testContainer">The container.</param>
/// <param name="testAccessCondition">The access condition to use.</param>
private async Task ContainerDeleteExpectLeaseSuccessAsync(CloudBlobContainer testContainer, AccessCondition testAccessCondition)
{
await testContainer.DeleteAsync(testAccessCondition, null /* options */, null);
}
/// <summary>
/// Test container deletion, expecting success.
/// </summary>
/// <param name="testContainer">The container.</param>
/// <param name="testAccessCondition">The access condition to use.</param>
private void ContainerDeleteExpectLeaseSuccessTask(CloudBlobContainer testContainer, AccessCondition testAccessCondition)
{
testContainer.DeleteAsync(testAccessCondition, null /* options */, null /* operationContext */).Wait();
}
/// <summary>
/// Verifies the behavior of a lease while the lease holds. Once the lease expires, this method confirms that write operations succeed.
/// The test is cut short once the <c>testLength</c> time has elapsed.
/// </summary>
/// <param name="leasedContainer">The container.</param>
/// <param name="duration">The duration of the lease.</param>
/// <param name="testLength">The maximum length of time to run the test.</param>
/// <param name="tolerance">The allowed lease time error.</param>
internal async Task ContainerAcquireRenewLeaseTestAsync(CloudBlobContainer leasedContainer, TimeSpan? duration, TimeSpan testLength, TimeSpan tolerance)
{
OperationContext operationContext = new OperationContext();
DateTime beginTime = DateTime.UtcNow;
while (true)
{
try
{
// Attempt to delete the container with no lease ID.
await leasedContainer.DeleteAsync(null, null, operationContext);
// The delete succeeded, which means that the lease must have expired.
// If the lease was infinite then there is an error because it should not have expired.
Assert.IsNotNull(duration, "An infinite lease should not expire.");
// The lease should be past its expiration time.
Assert.IsTrue(DateTime.UtcNow - beginTime > duration - tolerance, "Deletes should not succeed while lease is present.");
// Since the lease has expired (and the container was deleted), the test is over.
return;
}
catch (Exception)
{
if (operationContext.LastResult.ExtendedErrorInformation.ErrorCode == BlobErrorCodeStrings.LeaseIdMissing)
{
// We got this error because the lease has not expired yet.
// Make sure the lease is not past its expiration time yet.
DateTime currentTime = DateTime.UtcNow;
if (duration.HasValue)
{
Assert.IsTrue(currentTime - beginTime < duration + tolerance, "Deletes should succeed after a lease expires.");
}
// End the test early if necessary
if (currentTime - beginTime > testLength)
{
// The lease has not expired, but we're not waiting any longer.
return;
}
}
else
{
throw;
}
}
// Attempt to write to and read from the container. This should always succeed.
await leasedContainer.SetMetadataAsync();
await leasedContainer.FetchAttributesAsync();
// Wait 1 second before trying again.
await Task.Delay(TimeSpan.FromSeconds(1));
}
}
/// <summary>
/// Test container deletion, expecting lease failure.
/// </summary>
/// <param name="testContainer">The container.</param>
/// <param name="testAccessCondition">The failing access condition to use.</param>
/// <param name="expectedErrorCode">The expected error code.</param>
/// <param name="description">The reason why these calls should fail.</param>
private void ContainerDeleteExpectLeaseFailureTask(CloudBlobContainer testContainer, AccessCondition testAccessCondition, HttpStatusCode expectedStatusCode, string expectedErrorCode, string description)
{
TestHelper.ExpectedExceptionTask(
testContainer.DeleteAsync(testAccessCondition, null /* options */, null /* operationContext */),
description + " (Delete)",
expectedStatusCode,
expectedErrorCode);
}
public async Task PageBlobWriteStreamBasicTestAsync()
{
byte[] buffer = GetRandomBuffer(6 * 512);
CloudBlobContainer container = GetRandomContainerReference();
container.ServiceClient.ParallelOperationThreadCount = 2;
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
blob.StreamWriteSizeInBytes = 8 * 512;
using (MemoryStream wholeBlob = new MemoryStream())
{
using (Stream writeStream = await blob.OpenWriteAsync(buffer.Length * 3))
{
Stream blobStream = writeStream;
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);
}
await blobStream.FlushAsync();
}
using (MemoryStream downloadedBlob = new MemoryStream())
{
await blob.DownloadToStreamAsync(downloadedBlob);
TestHelper.AssertStreamsAreEqual(wholeBlob, downloadedBlob);
}
using (Stream writeStream = await blob.OpenWriteAsync(null))
{
Stream blobStream = writeStream;
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();
}
using (MemoryStream downloadedBlob = new MemoryStream())
{
await blob.DownloadToStreamAsync(downloadedBlob);
TestHelper.AssertStreamsAreEqual(wholeBlob, downloadedBlob);
}
}
}
finally
{
container.DeleteAsync().Wait();
}
}
public async Task PageBlobWriteStreamOpenWithAccessConditionAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
await container.CreateAsync();
try
{
OperationContext context = new OperationContext();
CloudPageBlob existingBlob = container.GetPageBlobReference("blob");
await existingBlob.CreateAsync(1024);
CloudPageBlob blob = container.GetPageBlobReference("blob2");
AccessCondition accessCondition = AccessCondition.GenerateIfMatchCondition(existingBlob.Properties.ETag);
await TestHelper.ExpectedExceptionAsync(
async() => await blob.OpenWriteAsync(1024, accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.PreconditionFailed);
blob = container.GetPageBlobReference("blob3");
accessCondition = AccessCondition.GenerateIfNoneMatchCondition(existingBlob.Properties.ETag);
Stream blobStream = await blob.OpenWriteAsync(1024, accessCondition, null, context);
blobStream.Dispose();
blob = container.GetPageBlobReference("blob4");
accessCondition = AccessCondition.GenerateIfNoneMatchCondition("*");
blobStream = await blob.OpenWriteAsync(1024, accessCondition, null, context);
blobStream.Dispose();
blob = container.GetPageBlobReference("blob5");
accessCondition = AccessCondition.GenerateIfModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(1));
blobStream = await blob.OpenWriteAsync(1024, accessCondition, null, context);
blobStream.Dispose();
blob = container.GetPageBlobReference("blob6");
accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(-1));
blobStream = await blob.OpenWriteAsync(1024, accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfMatchCondition(existingBlob.Properties.ETag);
blobStream = await existingBlob.OpenWriteAsync(1024, accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfMatchCondition(blob.Properties.ETag);
await TestHelper.ExpectedExceptionAsync(
async() => await existingBlob.OpenWriteAsync(1024, accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.PreconditionFailed);
accessCondition = AccessCondition.GenerateIfNoneMatchCondition(blob.Properties.ETag);
blobStream = await existingBlob.OpenWriteAsync(1024, accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfNoneMatchCondition(existingBlob.Properties.ETag);
await TestHelper.ExpectedExceptionAsync(
async() => await existingBlob.OpenWriteAsync(1024, accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.PreconditionFailed);
accessCondition = AccessCondition.GenerateIfNoneMatchCondition("*");
await TestHelper.ExpectedExceptionAsync(
async() => await existingBlob.OpenWriteAsync(1024, accessCondition, null, context),
context,
"BlobWriteStream.Dispose with a non-met condition should fail",
HttpStatusCode.Conflict);
accessCondition = AccessCondition.GenerateIfModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(-1));
blobStream = await existingBlob.OpenWriteAsync(1024, accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(1));
await TestHelper.ExpectedExceptionAsync(
async() => await existingBlob.OpenWriteAsync(1024, accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.PreconditionFailed);
accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(1));
blobStream = await existingBlob.OpenWriteAsync(1024, accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(-1));
await TestHelper.ExpectedExceptionAsync(
async() => await existingBlob.OpenWriteAsync(1024, accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.PreconditionFailed);
}
finally
{
container.DeleteAsync().Wait();
}
}
public async Task BlockBlobWriteStreamOpenWithAccessConditionAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
await container.CreateAsync();
try
{
OperationContext context = new OperationContext();
CloudBlockBlob existingBlob = container.GetBlockBlobReference("blob");
await existingBlob.PutBlockListAsync(new List <string>());
CloudBlockBlob blob = container.GetBlockBlobReference("blob2");
AccessCondition accessCondition = AccessCondition.GenerateIfMatchCondition(existingBlob.Properties.ETag);
await TestHelper.ExpectedExceptionAsync(
async() => await blob.OpenWriteAsync(accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.NotFound);
blob = container.GetBlockBlobReference("blob3");
accessCondition = AccessCondition.GenerateIfNoneMatchCondition(existingBlob.Properties.ETag);
IOutputStream blobStream = await blob.OpenWriteAsync(accessCondition, null, context);
blobStream.Dispose();
blob = container.GetBlockBlobReference("blob4");
accessCondition = AccessCondition.GenerateIfNoneMatchCondition("*");
blobStream = await blob.OpenWriteAsync(accessCondition, null, context);
blobStream.Dispose();
blob = container.GetBlockBlobReference("blob5");
accessCondition = AccessCondition.GenerateIfModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(1));
blobStream = await blob.OpenWriteAsync(accessCondition, null, context);
blobStream.Dispose();
blob = container.GetBlockBlobReference("blob6");
accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(-1));
blobStream = await blob.OpenWriteAsync(accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfMatchCondition(existingBlob.Properties.ETag);
blobStream = await existingBlob.OpenWriteAsync(accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfMatchCondition(blob.Properties.ETag);
await TestHelper.ExpectedExceptionAsync(
async() => await existingBlob.OpenWriteAsync(accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.PreconditionFailed);
accessCondition = AccessCondition.GenerateIfNoneMatchCondition(blob.Properties.ETag);
blobStream = await existingBlob.OpenWriteAsync(accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfNoneMatchCondition(existingBlob.Properties.ETag);
await TestHelper.ExpectedExceptionAsync(
async() => await existingBlob.OpenWriteAsync(accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.NotModified);
accessCondition = AccessCondition.GenerateIfNoneMatchCondition("*");
blobStream = await existingBlob.OpenWriteAsync(accessCondition, null, context);
await TestHelper.ExpectedExceptionAsync(
() =>
{
blobStream.Dispose();
return(Task.FromResult(true));
},
context,
"BlobWriteStream.Dispose with a non-met condition should fail",
HttpStatusCode.Conflict);
accessCondition = AccessCondition.GenerateIfModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(-1));
blobStream = await existingBlob.OpenWriteAsync(accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(1));
await TestHelper.ExpectedExceptionAsync(
async() => await existingBlob.OpenWriteAsync(accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.NotModified);
accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(1));
blobStream = await existingBlob.OpenWriteAsync(accessCondition, null, context);
blobStream.Dispose();
accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(existingBlob.Properties.LastModified.Value.AddMinutes(-1));
await TestHelper.ExpectedExceptionAsync(
async() => await existingBlob.OpenWriteAsync(accessCondition, null, context),
context,
"OpenWriteAsync with a non-met condition should fail",
HttpStatusCode.PreconditionFailed);
accessCondition = AccessCondition.GenerateIfMatchCondition(existingBlob.Properties.ETag);
blobStream = await existingBlob.OpenWriteAsync(accessCondition, null, context);
await existingBlob.SetPropertiesAsync();
await TestHelper.ExpectedExceptionAsync(
() =>
{
blobStream.Dispose();
return(Task.FromResult(true));
},
context,
"BlobWriteStream.Dispose with a non-met condition should fail",
HttpStatusCode.PreconditionFailed);
blob = container.GetBlockBlobReference("blob7");
accessCondition = AccessCondition.GenerateIfNoneMatchCondition("*");
blobStream = await blob.OpenWriteAsync(accessCondition, null, context);
await blob.PutBlockListAsync(new List <string>());
await TestHelper.ExpectedExceptionAsync(
() =>
{
blobStream.Dispose();
return(Task.FromResult(true));
},
context,
"BlobWriteStream.Dispose with a non-met condition should fail",
HttpStatusCode.Conflict);
blob = container.GetBlockBlobReference("blob8");
accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(existingBlob.Properties.LastModified.Value);
blobStream = await existingBlob.OpenWriteAsync(accessCondition, null, context);
await existingBlob.SetPropertiesAsync();
await TestHelper.ExpectedExceptionAsync(
() =>
{
blobStream.Dispose();
return(Task.FromResult(true));
},
context,
"BlobWriteStream.Dispose with a non-met condition should fail",
HttpStatusCode.PreconditionFailed);
}
finally
{
container.DeleteAsync().AsTask().Wait();
}
}
public async Task PageBlobWriteStreamBasicTestAsync()
{
byte[] buffer = GetRandomBuffer(6 * 512);
CryptographicHash hasher = HashAlgorithmProvider.OpenAlgorithm("MD5").CreateHash();
CloudBlobContainer container = GetRandomContainerReference();
container.ServiceClient.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());
}
}
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);
}
wholeBlob.Seek(0, SeekOrigin.End);
}
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();
}
}