/// <summary> /// Test blob reads, expecting success. /// </summary> /// <param name="testBlob">The blob to test.</param> /// <param name="testAccessCondition">The access condition to use.</param> private void BlobReadExpectLeaseSuccessAPM(CloudBlockBlob testBlob, AccessCondition testAccessCondition) { using (AutoResetEvent waitHandle = new AutoResetEvent(false)) { IAsyncResult result = testBlob.BeginFetchAttributes(testAccessCondition, null /* options */, null /* operationContext */, ar => waitHandle.Set(), null); waitHandle.WaitOne(); testBlob.EndFetchAttributes(result); result = testBlob.BeginSnapshot(null /* metadata */, testAccessCondition, null /* options */, null /* operationContext */, ar => waitHandle.Set(), null); waitHandle.WaitOne(); testBlob.EndSnapshot(result).Delete(); DownloadTextAPM(testBlob, Encoding.UTF8, testAccessCondition, null /* options */); result = testBlob.BeginOpenRead(testAccessCondition, null /* options */, null /* operationContext */, ar => waitHandle.Set(), null); waitHandle.WaitOne(); Stream stream = testBlob.EndOpenRead(result); stream.ReadByte(); } }
public void BlockBlobReadLockToETagTestAPM() { byte[] outBuffer = new byte[1 * 1024 * 1024]; byte[] buffer = GetRandomBuffer(2 * outBuffer.Length); CloudBlobContainer container = GetRandomContainerReference(); try { container.Create(); CloudBlockBlob blob = container.GetBlockBlobReference("blob1"); blob.StreamMinimumReadSizeInBytes = outBuffer.Length; using (MemoryStream wholeBlob = new MemoryStream(buffer)) { blob.UploadFromStream(wholeBlob); } using (AutoResetEvent waitHandle = new AutoResetEvent(false)) { IAsyncResult result = blob.BeginOpenRead( ar => waitHandle.Set(), null); waitHandle.WaitOne(); using (Stream blobStream = blob.EndOpenRead(result)) { blobStream.Read(outBuffer, 0, outBuffer.Length); blob.SetMetadata(); TestHelper.ExpectedException( () => blobStream.Read(outBuffer, 0, outBuffer.Length), "Blob read stream should fail if blob is modified during read", HttpStatusCode.PreconditionFailed); } result = blob.BeginOpenRead( ar => waitHandle.Set(), null); waitHandle.WaitOne(); using (Stream blobStream = blob.EndOpenRead(result)) { long length = blobStream.Length; blob.SetMetadata(); TestHelper.ExpectedException( () => blobStream.Read(outBuffer, 0, outBuffer.Length), "Blob read stream should fail if blob is modified during read", HttpStatusCode.PreconditionFailed); } AccessCondition accessCondition = AccessCondition.GenerateIfNotModifiedSinceCondition(DateTimeOffset.Now.Subtract(TimeSpan.FromHours(1))); blob.SetMetadata(); result = blob.BeginOpenRead( accessCondition, null, null, ar => waitHandle.Set(), null); waitHandle.WaitOne(); TestHelper.ExpectedException( () => blob.EndOpenRead(result), "Blob read stream should fail if blob is modified during read", HttpStatusCode.PreconditionFailed); } } finally { container.DeleteIfExists(); } }
/// <summary> /// Test blob reads, expecting lease failure. /// </summary> /// <param name="testBlob">The blob to test.</param> /// <param name="targetBlob">The blob to use for the target of copy operations.</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 BlobReadExpectLeaseFailureAPM(CloudBlockBlob testBlob, CloudBlockBlob targetBlob, AccessCondition testAccessCondition, HttpStatusCode expectedStatusCode, string expectedErrorCode, string description) { // FetchAttributes is a HEAD request with no extended error info, so it returns with the generic ConditionFailed error code. using (AutoResetEvent waitHandle = new AutoResetEvent(false)) { IAsyncResult result = testBlob.BeginFetchAttributes(testAccessCondition, null /* options */, null /* operationContext */, ar => waitHandle.Set(), null); waitHandle.WaitOne(); TestHelper.ExpectedException( () => testBlob.EndFetchAttributes(result), description + "(Fetch Attributes)", HttpStatusCode.PreconditionFailed); result = testBlob.BeginSnapshot(null /* metadata */, testAccessCondition, null /* options */, null /* operationContext */, ar => waitHandle.Set(), null); waitHandle.WaitOne(); TestHelper.ExpectedException( () => testBlob.EndSnapshot(result), description + " (Create Snapshot)", expectedStatusCode, expectedErrorCode); TestHelper.ExpectedException( () => DownloadTextAPM(testBlob, Encoding.UTF8, testAccessCondition, null /* options */), description + " (Download Text)", expectedStatusCode, expectedErrorCode); result = testBlob.BeginOpenRead(testAccessCondition, null /* options */, null /* operationContext */, ar => waitHandle.Set(), null); waitHandle.WaitOne(); TestHelper.ExpectedException( () => testBlob.EndOpenRead(result), description + " (Read Stream)", expectedStatusCode/*, expectedErrorCode*/); } }