public void CloudBlobSnapshotMetadataAPM() { CloudBlobContainer container = GetRandomContainerReference(); try { container.Create(); var blobName = GetRandomBlobName(); CloudAppendBlob appendBlob = container.GetAppendBlobReference(blobName); appendBlob.CreateOrReplace(); CloudBlob blob = container.GetBlobReference(blobName); blob.Metadata["Hello"] = "World"; blob.Metadata["Marco"] = "Polo"; blob.SetMetadata(); IDictionary <string, string> snapshotMetadata = new Dictionary <string, string>(); snapshotMetadata["Hello"] = "Dolly"; snapshotMetadata["Yoyo"] = "Ma"; IAsyncResult result; using (AutoResetEvent waitHandle = new AutoResetEvent(false)) { result = blob.BeginSnapshot(snapshotMetadata, null, null, null, ar => waitHandle.Set(), null); waitHandle.WaitOne(); CloudBlob snapshot = blob.EndSnapshot(result); // Test the client view against the expected metadata // Metadata keys should be case-insensitive // None of the original metadata should be present Assert.AreEqual("Dolly", snapshot.Metadata["Hello"]); 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 snapshot.FetchAttributes(); Assert.AreEqual("Dolly", snapshot.Metadata["Hello"]); Assert.AreEqual("Dolly", snapshot.Metadata["HELLO"]); Assert.AreEqual("Ma", snapshot.Metadata["Yoyo"]); Assert.IsFalse(snapshot.Metadata.ContainsKey("Marco")); } } finally { container.DeleteIfExists(); } }
public void CloudBlobSnapshotAPM() { CloudBlobContainer container = GetRandomContainerReference(); try { container.Create(); var blobName = GetRandomBlobName(); MemoryStream originalData = new MemoryStream(GetRandomBuffer(1024)); CloudAppendBlob appendBlob = container.GetAppendBlobReference(blobName); appendBlob.CreateOrReplace(); appendBlob.AppendBlock(originalData, null); CloudBlob blob = container.GetBlobReference(blobName); blob.FetchAttributes(); IAsyncResult result; using (AutoResetEvent waitHandle = new AutoResetEvent(false)) { result = blob.BeginSnapshot(ar => waitHandle.Set(), null); waitHandle.WaitOne(); CloudBlob snapshot1 = blob.EndSnapshot(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")); result = blob.BeginSnapshot(ar => waitHandle.Set(), null); waitHandle.WaitOne(); CloudBlob snapshot2 = blob.EndSnapshot(result); Assert.IsTrue(snapshot2.SnapshotTime.Value > snapshot1.SnapshotTime.Value); snapshot1.FetchAttributes(); snapshot2.FetchAttributes(); blob.FetchAttributes(); AssertAreEqual(snapshot1.Properties, blob.Properties); CloudBlob snapshotCopy = container.GetBlobReference("blob2"); result = snapshotCopy.BeginStartCopy(snapshot1.Uri, null, null, null, null, ar => waitHandle.Set(), null); waitHandle.WaitOne(); snapshotCopy.EndStartCopy(result); WaitForCopy(snapshotCopy); Assert.AreEqual(CopyStatus.Success, snapshotCopy.CopyState.Status); result = snapshot1.BeginOpenRead(ar => waitHandle.Set(), null); waitHandle.WaitOne(); using (Stream snapshotStream = snapshot1.EndOpenRead(result)) { snapshotStream.Seek(0, SeekOrigin.End); TestHelper.AssertStreamsAreEqual(originalData, snapshotStream); } result = appendBlob.BeginCreateOrReplace(ar => waitHandle.Set(), null); waitHandle.WaitOne(); appendBlob.EndCreateOrReplace(result); result = blob.BeginFetchAttributes(ar => waitHandle.Set(), null); waitHandle.WaitOne(); blob.EndFetchAttributes(result); result = snapshot1.BeginOpenRead(ar => waitHandle.Set(), null); waitHandle.WaitOne(); using (Stream snapshotStream = snapshot1.EndOpenRead(result)) { snapshotStream.Seek(0, SeekOrigin.End); TestHelper.AssertStreamsAreEqual(originalData, snapshotStream); } List <IListBlobItem> blobs = container.ListBlobs(null, true, BlobListingDetails.All, null, null).ToList(); Assert.AreEqual(4, blobs.Count); AssertAreEqual(snapshotCopy, (CloudBlob)blobs[0]); AssertAreEqual(snapshot1, (CloudBlob)blobs[1]); AssertAreEqual(snapshot2, (CloudBlob)blobs[2]); AssertAreEqual(blob, (CloudBlob)blobs[3]); } } finally { container.DeleteIfExists(); } }