public async Task CloudBlobContainerConditionalAccessAsync()
{
OperationContext operationContext = new OperationContext();
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
await container.FetchAttributesAsync();
string currentETag = container.Properties.ETag;
DateTimeOffset currentModifiedTime = container.Properties.LastModified.Value;
// ETag conditional tests
container.Metadata["ETagConditionalName"] = "ETagConditionalValue";
await container.SetMetadataAsync();
await container.FetchAttributesAsync();
string newETag = container.Properties.ETag;
Assert.AreNotEqual(newETag, currentETag, "ETage should be modified on write metadata");
// LastModifiedTime tests
currentModifiedTime = container.Properties.LastModified.Value;
container.Metadata["DateConditionalName"] = "DateConditionalValue";
await TestHelper.ExpectedExceptionAsync(
async() => await container.SetMetadataAsync(AccessCondition.GenerateIfModifiedSinceCondition(currentModifiedTime), null, operationContext),
operationContext,
"IfModifiedSince conditional on current modified time should throw",
HttpStatusCode.PreconditionFailed,
"ConditionNotMet");
container.Metadata["DateConditionalName"] = "DateConditionalValue2";
currentETag = container.Properties.ETag;
DateTimeOffset pastTime = currentModifiedTime.Subtract(TimeSpan.FromMinutes(5));
await container.SetMetadataAsync(AccessCondition.GenerateIfModifiedSinceCondition(pastTime), null, null);
pastTime = currentModifiedTime.Subtract(TimeSpan.FromHours(5));
await container.SetMetadataAsync(AccessCondition.GenerateIfModifiedSinceCondition(pastTime), null, null);
pastTime = currentModifiedTime.Subtract(TimeSpan.FromDays(5));
await container.SetMetadataAsync(AccessCondition.GenerateIfModifiedSinceCondition(pastTime), null, null);
await container.FetchAttributesAsync();
newETag = container.Properties.ETag;
Assert.AreNotEqual(newETag, currentETag, "ETage should be modified on write metadata");
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}
public async Task CloudBlobContainerSetMetadataAsync()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
await container.CreateAsync();
CloudBlobContainer container2 = container.ServiceClient.GetContainerReference(container.Name);
await container2.FetchAttributesAsync();
Assert.AreEqual(0, container2.Metadata.Count);
container.Metadata.Add("key1", "value1");
await container.SetMetadataAsync();
await container2.FetchAttributesAsync();
Assert.AreEqual(1, container2.Metadata.Count);
Assert.AreEqual("value1", container2.Metadata["key1"]);
// Metadata keys should be case-insensitive
Assert.AreEqual("value1", container2.Metadata["KEY1"]);
ContainerResultSegment results = await container.ServiceClient.ListContainersSegmentedAsync(container.Name, ContainerListingDetails.Metadata, null, null, null, null);
CloudBlobContainer container3 = results.Results.First();
Assert.AreEqual(1, container3.Metadata.Count);
Assert.AreEqual("value1", container3.Metadata["key1"]);
Assert.AreEqual("value1", container3.Metadata["KEY1"]);
container.Metadata.Clear();
await container.SetMetadataAsync();
await container2.FetchAttributesAsync();
Assert.AreEqual(0, container2.Metadata.Count);
}
finally
{
await container.DeleteAsync();
}
}