public async Task CloudBlobSnapshotMetadataTask()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
var blobName = GetRandomBlobName();
CloudAppendBlob appendBlob = container.GetAppendBlobReference(blobName);
await appendBlob.CreateOrReplaceAsync(null, null, new OperationContext());
CloudBlob blob = container.GetBlobReference(blobName);
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";
CloudBlob snapshot = await blob.SnapshotAsync(snapshotMetadata, null, null, null);
// 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
await snapshot.FetchAttributesAsync();
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
{
await container.DeleteIfExistsAsync();
}
}
public async Task CloudBlobSnapshotMetadataAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudBlockBlob blockBlob = container.GetBlockBlobReference(BlobName);
await CloudBlockBlobTest.CreateForTestAsync(blockBlob, 2, 1024);
CloudBlob blob = container.GetBlockBlobReference(BlobName);
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";
CloudBlob snapshot = await blob.SnapshotAsync(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().Wait();
}
}
