public void Register(string functionId, BlobQueueRegistration registration)
{
if (_started)
{
throw new InvalidOperationException("Registrations may not be added while the shared listener is running.");
}
_executor.Register(functionId, registration);
}
public void Register(string functionId, BlobQueueRegistration registration)
{
if (_started)
{
throw new InvalidOperationException("Registrations may not be added while the shared listener is running.");
}
_executor.Register(functionId, registration);
}
private void RegisterWithSharedBlobQueueListenerAsync(
SharedBlobQueueListener sharedBlobQueueListener,
IStorageBlobClient blobClient)
{
BlobQueueRegistration registration = new BlobQueueRegistration
{
Executor = _executor,
BlobClient = blobClient
};
sharedBlobQueueListener.Register(_functionId, registration);
}
private void RegisterWithSharedBlobQueueListenerAsync(
SharedBlobQueueListener sharedBlobQueueListener,
BlobServiceClient blobClient,
QueueServiceClient queueClient)
{
BlobQueueRegistration registration = new BlobQueueRegistration
{
Executor = _executor,
BlobServiceClient = blobClient,
QueueServiceClient = queueClient
};
sharedBlobQueueListener.Register(_functionDescriptor.Id, registration);
}
private CloudQueue GetPoisonQueue(CloudQueueMessage message)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
var blobTriggerMessage = JsonConvert.DeserializeObject <BlobTriggerMessage>(message.AsString);
BlobQueueRegistration registration = null;
if (_executor.TryGetRegistration(blobTriggerMessage.FunctionId, out registration))
{
IStorageQueue poisonQueue = registration.QueueClient.GetQueueReference(HostQueueNames.BlobTriggerPoisonQueue);
return(poisonQueue.SdkObject);
}
return(null);
}
private QueueClient GetPoisonQueue(QueueMessage message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var blobTriggerMessage = JsonConvert.DeserializeObject <BlobTriggerMessage>(message.MessageText);
BlobQueueRegistration registration = null;
if (_executor.TryGetRegistration(blobTriggerMessage.FunctionId, out registration))
{
var poisonQueue = registration.QueueServiceClient.GetQueueClient(HostQueueNames.BlobTriggerPoisonQueue);
return(poisonQueue);
}
return(null);
}
private IListener CreateQueueMessageToTriggerExecutionListener(
ISharedContextProvider sharedContextProvider,
SharedQueueWatcher sharedQueueWatcher,
IStorageQueueClient queueClient,
IStorageQueue hostBlobTriggerQueue,
IStorageBlobClient blobClient,
IBlobWrittenWatcher blobWrittenWatcher)
{
SharedBlobQueueListener sharedListener = sharedContextProvider.GetOrCreate <SharedBlobQueueListener>(
new SharedBlobQueueListenerFactory(sharedQueueWatcher, queueClient, hostBlobTriggerQueue,
_queueConfiguration, _backgroundExceptionDispatcher, _trace, blobWrittenWatcher));
BlobQueueRegistration registration = new BlobQueueRegistration
{
Executor = _executor,
BlobClient = blobClient
};
sharedListener.Register(_functionId, registration);
return(new BlobListener(sharedListener));
}
public void Register(string functionId, BlobQueueRegistration registration)
{
_registrations.AddOrUpdate(functionId, registration, (i1, i2) => registration);
}
public void ExecuteAsync_IfMessageIsFunctionIdIsRegistered_GetsETag(BlobType expectedBlobType)
{
// Arrange
string expectedContainerName = "container";
string expectedBlobName = TestBlobName;
string functionId = "FunctionId";
Mock<IBlobETagReader> mock = new Mock<IBlobETagReader>(MockBehavior.Strict);
mock.Setup(r => r.GetETagAsync(It.Is<IStorageBlob>(b => b.BlobType == (StorageBlobType)expectedBlobType &&
b.Name == expectedBlobName && b.Container.Name == expectedContainerName),
It.IsAny<CancellationToken>()))
.Returns(Task.FromResult("ETag"))
.Verifiable();
IBlobETagReader eTagReader = mock.Object;
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader);
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobClient = CreateClient(),
Executor = CreateDummyTriggeredFunctionExecutor()
};
product.Register(functionId, registration);
BlobTriggerMessage triggerMessage = new BlobTriggerMessage
{
FunctionId = functionId,
BlobType = (StorageBlobType)expectedBlobType,
ContainerName = expectedContainerName,
BlobName = expectedBlobName,
ETag = "OriginalETag"
};
IStorageQueueMessage message = CreateMessage(triggerMessage);
// Act
Task task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
task.WaitUntilCompleted();
mock.Verify();
}
public void ExecuteAsync_IfInnerExecutorFails_ReturnsFailureResult()
{
// Arrange
string functionId = "FunctionId";
string matchingETag = "ETag";
IBlobETagReader eTagReader = CreateStubETagReader(matchingETag);
IBlobCausalityReader causalityReader = CreateStubCausalityReader();
FunctionResult expectedResult = new FunctionResult(false);
Mock<ITriggeredFunctionExecutor> mock = new Mock<ITriggeredFunctionExecutor>(MockBehavior.Strict);
mock.Setup(e => e.TryExecuteAsync(
It.IsAny<TriggeredFunctionData>(), It.IsAny<CancellationToken>()))
.ReturnsAsync(expectedResult)
.Verifiable();
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader, causalityReader);
ITriggeredFunctionExecutor innerExecutor = mock.Object;
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobClient = CreateClient(),
Executor = innerExecutor
};
product.Register(functionId, registration);
IStorageQueueMessage message = CreateMessage(functionId, matchingETag);
// Act
Task<FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.False(task.Result.Succeeded);
}
public async Task ExecuteAsync_IfBlobIsUnchanged_CallsInnerExecutor()
{
// Arrange
string functionId = "FunctionId";
string matchingETag = "ETag";
Guid expectedParentId = Guid.NewGuid();
IStorageQueueMessage message = CreateMessage(functionId, matchingETag);
IBlobETagReader eTagReader = CreateStubETagReader(matchingETag);
IBlobCausalityReader causalityReader = CreateStubCausalityReader(expectedParentId);
FunctionResult expectedResult = new FunctionResult(true);
Mock<ITriggeredFunctionExecutor> mock = new Mock<ITriggeredFunctionExecutor>(MockBehavior.Strict);
mock.Setup(e => e.TryExecuteAsync(It.IsAny<TriggeredFunctionData>(), It.IsAny<CancellationToken>()))
.Callback<TriggeredFunctionData, CancellationToken>(
(mockInput, mockCancellationToken) =>
{
Assert.Equal(expectedParentId, mockInput.ParentId);
StorageBlockBlob resultBlob = (StorageBlockBlob)mockInput.TriggerValue;
Assert.Equal(TestBlobName, resultBlob.Name);
})
.ReturnsAsync(expectedResult)
.Verifiable();
ITriggeredFunctionExecutor innerExecutor = mock.Object;
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader, causalityReader);
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobClient = CreateClient(),
Executor = innerExecutor
};
product.Register(functionId, registration);
// Act
FunctionResult result = await product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.Same(expectedResult, result);
mock.Verify();
}
public void ExecuteAsync_IfBlobHasChanged_NotifiesWatcherAndReturnsSuccessResult()
{
// Arrange
string functionId = "FunctionId";
IBlobETagReader eTagReader = CreateStubETagReader("NewETag");
Mock<IBlobWrittenWatcher> mock = new Mock<IBlobWrittenWatcher>(MockBehavior.Strict);
mock.Setup(w => w.Notify(It.IsAny<IStorageBlob>()))
.Verifiable();
IBlobWrittenWatcher blobWrittenWatcher = mock.Object;
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader, blobWrittenWatcher);
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobClient = CreateClient(),
Executor = CreateDummyTriggeredFunctionExecutor()
};
product.Register(functionId, registration);
IStorageQueueMessage message = CreateMessage(functionId, "OriginalETag");
// Act
Task<FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
task.WaitUntilCompleted();
mock.Verify();
Assert.True(task.Result.Succeeded);
}
public void ExecuteAsync_IfBlobHasBeenDeleted_ReturnsSuccessResult()
{
// Arrange
string functionId = "FunctionId";
IBlobETagReader eTagReader = CreateStubETagReader(null);
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader);
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobClient = CreateClient(),
Executor = CreateDummyTriggeredFunctionExecutor()
};
product.Register(functionId, registration);
IStorageQueueMessage message = CreateMessage(functionId, "OriginalETag");
// Act
Task<FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.True(task.Result.Succeeded);
}
public bool TryGetRegistration(string functionId, out BlobQueueRegistration registration)
{
return(_registrations.TryGetValue(functionId, out registration));
}
private IListener CreateQueueMessageToTriggerExecutionListener(
ISharedContextProvider sharedContextProvider,
SharedQueueWatcher sharedQueueWatcher,
IStorageQueueClient queueClient,
IStorageQueue hostBlobTriggerQueue,
IStorageBlobClient blobClient,
IBlobWrittenWatcher blobWrittenWatcher)
{
SharedBlobQueueListener sharedListener = sharedContextProvider.GetOrCreate<SharedBlobQueueListener>(
new SharedBlobQueueListenerFactory(sharedQueueWatcher, queueClient, hostBlobTriggerQueue,
_queueConfiguration, _backgroundExceptionDispatcher, _trace, blobWrittenWatcher));
BlobQueueRegistration registration = new BlobQueueRegistration
{
Executor = _executor,
BlobClient = blobClient
};
sharedListener.Register(_functionId, registration);
return new BlobListener(sharedListener);
}
private void RegisterWithSharedBlobQueueListenerAsync(
SharedBlobQueueListener sharedBlobQueueListener,
IStorageBlobClient blobClient)
{
BlobQueueRegistration registration = new BlobQueueRegistration
{
Executor = _executor,
BlobClient = blobClient
};
sharedBlobQueueListener.Register(_functionId, registration);
}