public async Task AbandonMessages(bool useSpecificSession)
{
await using (var scope = await ServiceBusScope.CreateWithQueue(enablePartitioning: false, enableSession: true))
{
await using var client = new ServiceBusClient(TestEnvironment.ServiceBusConnectionString);
ServiceBusSender sender = client.CreateSender(scope.QueueName);
var messageCount = 10;
var sessionId = "sessionId1";
using ServiceBusMessageBatch batch = await sender.CreateBatchAsync();
IEnumerable <ServiceBusMessage> messages = AddMessages(batch, messageCount, sessionId).AsEnumerable <ServiceBusMessage>();
await sender.SendAsync(batch);
ServiceBusReceiver receiver = await client.CreateSessionReceiverAsync(
scope.QueueName,
new ServiceBusSessionReceiverOptions
{
SessionId = useSpecificSession ? sessionId : null
});
var messageEnum = messages.GetEnumerator();
var remainingMessages = messageCount;
IList <ServiceBusReceivedMessage> receivedMessages = new List <ServiceBusReceivedMessage>();
while (remainingMessages > 0)
{
foreach (var msg in await receiver.ReceiveBatchAsync(remainingMessages))
{
remainingMessages--;
messageEnum.MoveNext();
Assert.AreEqual(messageEnum.Current.MessageId, msg.MessageId);
Assert.AreEqual(messageEnum.Current.SessionId, msg.SessionId);
receivedMessages.Add(msg);
Assert.AreEqual(msg.DeliveryCount, 1);
}
}
Assert.AreEqual(0, remainingMessages);
// don't abandon in the receive loop
// as this would make the message available to be immediately received again
foreach (var msg in receivedMessages)
{
await receiver.AbandonAsync(msg);
}
messageEnum.Reset();
var receivedMessageCount = 0;
foreach (var item in await receiver.PeekBatchAsync(messageCount))
{
receivedMessageCount++;
messageEnum.MoveNext();
Assert.AreEqual(messageEnum.Current.MessageId, item.MessageId);
Assert.AreEqual(messageEnum.Current.SessionId, item.SessionId);
}
Assert.AreEqual(messageCount, receivedMessageCount);
}
}
public async Task <IList <ServiceBusReceivedMessage> > ReceiveMessageAsync(int maxMessageCount, TimeSpan operationTimeout, CancellationToken stoppingToken)
{
try
{
var messages = await _serviceBusReceiver.ReceiveBatchAsync(maxMessageCount, operationTimeout, stoppingToken);
return(messages);
}
catch (ServiceBusException ex)
{
_logger.LogError($"{nameof(ServiceBusException)} - error details: {ex.Message}");
throw;
}
}
public async Task AbandonMessages(bool useSpecificSession)
{
await using (var scope = await ServiceBusScope.CreateWithQueue(enablePartitioning: false, enableSession: true))
{
await using var client = new ServiceBusClient(TestEnvironment.ServiceBusConnectionString);
ServiceBusSender sender = client.GetSender(scope.QueueName);
var messageCount = 10;
var sessionId = "sessionId1";
using ServiceBusMessageBatch batch = await sender.CreateBatchAsync();
IEnumerable <ServiceBusMessage> messages = AddMessages(batch, messageCount, sessionId).AsEnumerable <ServiceBusMessage>();
await sender.SendBatchAsync(batch);
ServiceBusReceiver receiver = await client.GetSessionReceiverAsync(
scope.QueueName,
sessionId : useSpecificSession?sessionId : null);
var messageEnum = messages.GetEnumerator();
var remainingMessages = messageCount;
while (remainingMessages > 0)
{
foreach (var item in await receiver.ReceiveBatchAsync(remainingMessages))
{
remainingMessages--;
messageEnum.MoveNext();
Assert.AreEqual(messageEnum.Current.MessageId, item.MessageId);
Assert.AreEqual(messageEnum.Current.SessionId, item.SessionId);
await receiver.AbandonAsync(item.LockToken);
Assert.AreEqual(item.DeliveryCount, 1);
}
}
Assert.AreEqual(0, remainingMessages);
messageEnum.Reset();
var receivedMessageCount = 0;
foreach (var item in await receiver.PeekBatchAsync(messageCount))
{
receivedMessageCount++;
messageEnum.MoveNext();
Assert.AreEqual(messageEnum.Current.MessageId, item.MessageId);
Assert.AreEqual(messageEnum.Current.SessionId, item.SessionId);
}
Assert.AreEqual(messageCount, receivedMessageCount);
}
}
public async Task SendAndReceiveMessageBatch()
{
await using (var scope = await ServiceBusScope.CreateWithQueue(enablePartitioning: false, enableSession: false))
{
string connectionString = TestEnvironment.ServiceBusConnectionString;
string queueName = scope.QueueName;
#region Snippet:ServiceBusInitializeSend
//@@ string connectionString = "<connection_string>";
//@@ string queueName = "<queue_name>";
// since ServiceBusClient implements IAsyncDisposable we create it with "await using"
await using var client = new ServiceBusClient(connectionString);
// create the sender
ServiceBusSender sender = client.CreateSender(queueName);
#region Snippet:ServiceBusSendAndReceiveBatch
IList <ServiceBusMessage> messages = new List <ServiceBusMessage>();
messages.Add(new ServiceBusMessage(Encoding.UTF8.GetBytes("First")));
messages.Add(new ServiceBusMessage(Encoding.UTF8.GetBytes("Second")));
// send the messages
await sender.SendAsync(messages);
#endregion
#endregion
#region Snippet:ServiceBusReceiveBatch
// create a receiver that we can use to receive the messages
ServiceBusReceiver receiver = client.CreateReceiver(queueName);
// the received message is a different type as it contains some service set properties
IList <ServiceBusReceivedMessage> receivedMessages = await receiver.ReceiveBatchAsync(maxMessages : 2);
foreach (ServiceBusReceivedMessage receivedMessage in receivedMessages)
{
// get the message body as a string
string body = Encoding.UTF8.GetString(receivedMessage.Body.ToArray());
Console.WriteLine(body);
}
#endregion
var sentMessagesEnum = messages.GetEnumerator();
foreach (ServiceBusReceivedMessage receivedMessage in receivedMessages)
{
sentMessagesEnum.MoveNext();
Assert.AreEqual(sentMessagesEnum.Current.Body.ToArray(), receivedMessage.Body.ToArray());
}
}
}
public async Task RenewSessionLock(bool isSessionSpecified)
{
await using (var scope = await ServiceBusScope.CreateWithQueue(enablePartitioning: false, enableSession: true))
{
await using var client = new ServiceBusClient(TestEnvironment.ServiceBusConnectionString);
ServiceBusSender sender = client.GetSender(scope.QueueName);
var messageCount = 1;
var sessionId1 = "sessionId1";
ServiceBusMessage message = GetMessage(sessionId1);
// send another session message before the one we are interested in to make sure that when isSessionSpecified=true, it is being respected
await sender.SendAsync(GetMessage("sessionId2"));
await sender.SendAsync(message);
ServiceBusReceiver receiver = await client.GetSessionReceiverAsync(scope.QueueName, sessionId : isSessionSpecified?sessionId1 : null);
var session = receiver.GetSessionManager();
if (isSessionSpecified)
{
Assert.AreEqual(sessionId1, session.SessionId);
}
ServiceBusReceivedMessage[] receivedMessages = (await receiver.ReceiveBatchAsync(messageCount)).ToArray();
var receivedMessage = receivedMessages.First();
var firstLockedUntilUtcTime = session.LockedUntil;
// Sleeping for 10 seconds...
await Task.Delay(10000);
await session.RenewSessionLockAsync();
Assert.True(session.LockedUntil >= firstLockedUntilUtcTime + TimeSpan.FromSeconds(10));
// Complete Messages
await receiver.CompleteAsync(receivedMessage.LockToken);
Assert.AreEqual(messageCount, receivedMessages.Length);
if (isSessionSpecified)
{
Assert.AreEqual(message.MessageId, receivedMessage.MessageId);
}
var peekedMessage = receiver.PeekAsync();
Assert.IsNull(peekedMessage.Result);
}
}
public async Task ReceiveMessagesInReceiveAndDeleteMode()
{
await using (var scope = await ServiceBusScope.CreateWithQueue(enablePartitioning: false, enableSession: true))
{
await using var client = new ServiceBusClient(TestEnvironment.ServiceBusConnectionString);
ServiceBusSender sender = client.CreateSender(scope.QueueName);
var messageCount = 10;
var sessionId = "sessionId1";
using ServiceBusMessageBatch batch = await sender.CreateBatchAsync();
IEnumerable <ServiceBusMessage> messages = AddMessages(batch, messageCount, sessionId).AsEnumerable <ServiceBusMessage>();
await sender.SendAsync(batch);
var clientOptions = new ServiceBusReceiverOptions()
{
ReceiveMode = ReceiveMode.ReceiveAndDelete
};
ServiceBusReceiver receiver = await client.CreateSessionReceiverAsync(
scope.QueueName,
clientOptions,
sessionId);
var remainingMessages = messageCount;
var messageEnum = messages.GetEnumerator();
while (remainingMessages > 0)
{
foreach (var item in await receiver.ReceiveBatchAsync(remainingMessages))
{
messageEnum.MoveNext();
Assert.AreEqual(messageEnum.Current.MessageId, item.MessageId);
Assert.AreEqual(messageEnum.Current.SessionId, item.SessionId);
remainingMessages--;
}
}
Assert.AreEqual(0, remainingMessages);
var peekedMessage = receiver.PeekAsync();
Assert.IsNull(peekedMessage.Result);
}
}
public async Task ReceiveBatchOfMessagesLogsEvents()
{
var mockLogger = new Mock <ServiceBusEventSource>();
var maxMessages = 4;
var mockTransportReceiver = new Mock <TransportReceiver>();
var mockConnection = GetMockConnection(mockTransportReceiver);
mockTransportReceiver.Setup(
transportReceiver => transportReceiver.ReceiveBatchAsync(
maxMessages,
It.IsAny <TimeSpan?>(),
It.IsAny <CancellationToken>()))
.Returns(
Task.FromResult((IList <ServiceBusReceivedMessage>)
new List <ServiceBusReceivedMessage> {
new ServiceBusReceivedMessage(),
new ServiceBusReceivedMessage()
}));
var receiver = new ServiceBusReceiver(mockConnection.Object, "queueName", false, new ServiceBusReceiverOptions())
{
Logger = mockLogger.Object
};
var msgs = await receiver.ReceiveBatchAsync(maxMessages : maxMessages);
mockLogger
.Verify(
log => log.ReceiveMessageStart(
receiver.Identifier,
// the amount requested
maxMessages),
Times.Once);
mockLogger
.Verify(
log => log.ReceiveMessageComplete(
receiver.Identifier,
// the amount we actually received
msgs.Count),
Times.Once);
}
public async Task ReceiveMessagesInPeekLockMode()
{
await using (var scope = await ServiceBusScope.CreateWithQueue(enablePartitioning: false, enableSession: true))
{
await using var client = new ServiceBusClient(TestEnvironment.ServiceBusConnectionString);
ServiceBusSender sender = client.GetSender(scope.QueueName);
var messageCount = 10;
var sessionId = "sessionId1";
using ServiceBusMessageBatch batch = await sender.CreateBatchAsync();
IEnumerable <ServiceBusMessage> messages = AddMessages(batch, messageCount, sessionId).AsEnumerable <ServiceBusMessage>();
await sender.SendBatchAsync(batch);
ServiceBusReceiver receiver = await client.GetSessionReceiverAsync(scope.QueueName);
var receivedMessageCount = 0;
var messageEnum = messages.GetEnumerator();
foreach (var item in await receiver.ReceiveBatchAsync(messageCount))
{
receivedMessageCount++;
messageEnum.MoveNext();
Assert.AreEqual(messageEnum.Current.MessageId, item.MessageId);
Assert.AreEqual(messageEnum.Current.SessionId, item.SessionId);
Assert.AreEqual(item.DeliveryCount, 1);
}
Assert.AreEqual(messageCount, receivedMessageCount);
messageEnum.Reset();
foreach (var item in await receiver.PeekBatchAsync(messageCount))
{
messageEnum.MoveNext();
Assert.AreEqual(messageEnum.Current.MessageId, item.MessageId);
Assert.AreEqual(messageEnum.Current.SessionId, item.SessionId);
}
}
}
public async Task SenderReceiverActivities(bool useSessions)
{
await using (var scope = await ServiceBusScope.CreateWithQueue(enablePartitioning: false, enableSession: useSessions))
{
using var listener = new TestDiagnosticListener(EntityScopeFactory.DiagnosticNamespace);
var client = new ServiceBusClient(TestEnvironment.ServiceBusConnectionString);
ServiceBusSender sender = client.CreateSender(scope.QueueName);
string sessionId = null;
if (useSessions)
{
sessionId = "sessionId";
}
int numMessages = 5;
var msgs = GetMessages(numMessages, sessionId);
await sender.SendAsync(msgs);
Activity[] sendActivities = AssertSendActivities(useSessions, sender, msgs, listener);
ServiceBusReceiver receiver = null;
if (useSessions)
{
receiver = await client.CreateSessionReceiverAsync(scope.QueueName);
}
else
{
receiver = client.CreateReceiver(scope.QueueName);
}
var remaining = numMessages;
List <ServiceBusReceivedMessage> receivedMsgs = new List <ServiceBusReceivedMessage>();
while (remaining > 0)
{
// loop in case we don't receive all messages in one attempt
var received = await receiver.ReceiveBatchAsync(remaining);
receivedMsgs.AddRange(received);
(string Key, object Value, DiagnosticListener)receiveStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.ReceiveActivityName + ".Start", receiveStart.Key);
Activity receiveActivity = (Activity)receiveStart.Value;
AssertCommonTags(receiveActivity, receiver.EntityPath, receiver.FullyQualifiedNamespace);
CollectionAssert.Contains(
receiveActivity.Tags,
new KeyValuePair <string, string>(
DiagnosticProperty.RequestedMessageCountAttribute,
remaining.ToString()));
CollectionAssert.Contains(
receiveActivity.Tags,
new KeyValuePair <string, string>(
DiagnosticProperty.MessageIdAttribute,
string.Join(",", received.Select(m => m.MessageId).ToArray())));
remaining -= received.Count;
if (useSessions)
{
CollectionAssert.Contains(
receiveActivity.Tags,
new KeyValuePair <string, string>(
DiagnosticProperty.SessionIdAttribute,
string.Join(",", msgs.Select(m => m.SessionId).Distinct().ToArray())));
}
var receiveLinkedActivities = ((IEnumerable <Activity>)receiveActivity.GetType().GetProperty("Links").GetValue(receiveActivity)).ToArray();
for (int i = 0; i < receiveLinkedActivities.Length; i++)
{
Assert.AreEqual(sendActivities[i].ParentId, receiveLinkedActivities[i].ParentId);
}
(string Key, object Value, DiagnosticListener)receiveStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.ReceiveActivityName + ".Stop", receiveStop.Key);
}
var msgIndex = 0;
var completed = receivedMsgs[msgIndex];
await receiver.CompleteAsync(completed);
(string Key, object Value, DiagnosticListener)completeStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.CompleteActivityName + ".Start", completeStart.Key);
Activity completeActivity = (Activity)completeStart.Value;
AssertCommonTags(completeActivity, receiver.EntityPath, receiver.FullyQualifiedNamespace);
AssertLockTokensTag(completeActivity, completed.LockToken);
(string Key, object Value, DiagnosticListener)completeStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.CompleteActivityName + ".Stop", completeStop.Key);
var deferred = receivedMsgs[++msgIndex];
await receiver.DeferAsync(deferred);
(string Key, object Value, DiagnosticListener)deferStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.DeferActivityName + ".Start", deferStart.Key);
Activity deferActivity = (Activity)deferStart.Value;
AssertCommonTags(deferActivity, receiver.EntityPath, receiver.FullyQualifiedNamespace);
AssertLockTokensTag(deferActivity, deferred.LockToken);
(string Key, object Value, DiagnosticListener)deferStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.DeferActivityName + ".Stop", deferStop.Key);
var deadLettered = receivedMsgs[++msgIndex];
await receiver.DeadLetterAsync(deadLettered);
(string Key, object Value, DiagnosticListener)deadLetterStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.DeadLetterActivityName + ".Start", deadLetterStart.Key);
Activity deadLetterActivity = (Activity)deadLetterStart.Value;
AssertCommonTags(deadLetterActivity, receiver.EntityPath, receiver.FullyQualifiedNamespace);
AssertLockTokensTag(deadLetterActivity, deadLettered.LockToken);
(string Key, object Value, DiagnosticListener)deadletterStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.DeadLetterActivityName + ".Stop", deadletterStop.Key);
var abandoned = receivedMsgs[++msgIndex];
await receiver.AbandonAsync(abandoned);
(string Key, object Value, DiagnosticListener)abandonStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.AbandonActivityName + ".Start", abandonStart.Key);
Activity abandonActivity = (Activity)abandonStart.Value;
AssertCommonTags(abandonActivity, receiver.EntityPath, receiver.FullyQualifiedNamespace);
AssertLockTokensTag(abandonActivity, abandoned.LockToken);
(string Key, object Value, DiagnosticListener)abandonStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.AbandonActivityName + ".Stop", abandonStop.Key);
var receiveDeferMsg = await receiver.ReceiveDeferredMessageAsync(deferred.SequenceNumber);
(string Key, object Value, DiagnosticListener)receiveDeferStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.ReceiveDeferredActivityName + ".Start", receiveDeferStart.Key);
Activity receiveDeferActivity = (Activity)receiveDeferStart.Value;
AssertCommonTags(receiveDeferActivity, receiver.EntityPath, receiver.FullyQualifiedNamespace);
CollectionAssert.Contains(
receiveDeferActivity.Tags,
new KeyValuePair <string, string>(
DiagnosticProperty.MessageIdAttribute,
deferred.MessageId));
CollectionAssert.Contains(
receiveDeferActivity.Tags,
new KeyValuePair <string, string>(
DiagnosticProperty.SequenceNumbersAttribute,
deferred.SequenceNumber.ToString()));
(string Key, object Value, DiagnosticListener)receiveDeferStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.ReceiveDeferredActivityName + ".Stop", receiveDeferStop.Key);
// renew lock
if (useSessions)
{
var sessionReceiver = (ServiceBusSessionReceiver)receiver;
await sessionReceiver.RenewSessionLockAsync();
(string Key, object Value, DiagnosticListener)renewStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.RenewSessionLockActivityName + ".Start", renewStart.Key);
Activity renewActivity = (Activity)renewStart.Value;
AssertCommonTags(renewActivity, receiver.EntityPath, receiver.FullyQualifiedNamespace);
CollectionAssert.Contains(
renewActivity.Tags,
new KeyValuePair <string, string>(
DiagnosticProperty.SessionIdAttribute,
"sessionId"));
(string Key, object Value, DiagnosticListener)renewStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.RenewSessionLockActivityName + ".Stop", renewStop.Key);
// set state
var state = Encoding.UTF8.GetBytes("state");
await sessionReceiver.SetSessionStateAsync(state);
(string Key, object Value, DiagnosticListener)setStateStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.SetSessionStateActivityName + ".Start", setStateStart.Key);
Activity setStateActivity = (Activity)setStateStart.Value;
AssertCommonTags(setStateActivity, sessionReceiver.EntityPath, sessionReceiver.FullyQualifiedNamespace);
CollectionAssert.Contains(
setStateActivity.Tags,
new KeyValuePair <string, string>(
DiagnosticProperty.SessionIdAttribute,
"sessionId"));
(string Key, object Value, DiagnosticListener)setStateStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.SetSessionStateActivityName + ".Stop", setStateStop.Key);
// get state
var getState = await sessionReceiver.GetSessionStateAsync();
Assert.AreEqual(state, getState);
(string Key, object Value, DiagnosticListener)getStateStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.GetSessionStateActivityName + ".Start", getStateStart.Key);
Activity getStateActivity = (Activity)getStateStart.Value;
AssertCommonTags(getStateActivity, sessionReceiver.EntityPath, sessionReceiver.FullyQualifiedNamespace);
CollectionAssert.Contains(
getStateActivity.Tags,
new KeyValuePair <string, string>(
DiagnosticProperty.SessionIdAttribute,
"sessionId"));
(string Key, object Value, DiagnosticListener)getStateStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.GetSessionStateActivityName + ".Stop", getStateStop.Key);
}
else
{
await receiver.RenewMessageLockAsync(receivedMsgs[4]);
(string Key, object Value, DiagnosticListener)renewStart = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.RenewMessageLockActivityName + ".Start", renewStart.Key);
Activity renewActivity = (Activity)renewStart.Value;
AssertCommonTags(renewActivity, receiver.EntityPath, receiver.FullyQualifiedNamespace);
AssertLockTokensTag(renewActivity, receivedMsgs[4].LockToken);
CollectionAssert.Contains(
renewActivity.Tags,
new KeyValuePair <string, string>(
DiagnosticProperty.LockedUntilAttribute,
receivedMsgs[4].LockedUntil.ToString()));
(string Key, object Value, DiagnosticListener)renewStop = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.RenewMessageLockActivityName + ".Stop", renewStop.Key);
}
// schedule
msgs = GetMessages(numMessages, sessionId);
foreach (var msg in msgs)
{
var seq = await sender.ScheduleMessageAsync(msg, DateTimeOffset.UtcNow.AddMinutes(1));
Assert.IsNotNull(msg.Properties[DiagnosticProperty.DiagnosticIdAttribute]);
(string Key, object Value, DiagnosticListener)startMessage = listener.Events.Dequeue();
Activity messageActivity = (Activity)startMessage.Value;
AssertCommonTags(messageActivity, sender.EntityPath, sender.FullyQualifiedNamespace);
Assert.AreEqual(DiagnosticProperty.MessageActivityName + ".Start", startMessage.Key);
(string Key, object Value, DiagnosticListener)stopMessage = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.MessageActivityName + ".Stop", stopMessage.Key);
(string Key, object Value, DiagnosticListener)startSchedule = listener.Events.Dequeue();
AssertCommonTags((Activity)startSchedule.Value, sender.EntityPath, sender.FullyQualifiedNamespace);
Assert.AreEqual(DiagnosticProperty.ScheduleActivityName + ".Start", startSchedule.Key);
(string Key, object Value, DiagnosticListener)stopSchedule = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.ScheduleActivityName + ".Stop", stopSchedule.Key);
var linkedActivities = ((IEnumerable <Activity>)startSchedule.Value.GetType().GetProperty("Links").GetValue(startSchedule.Value)).ToArray();
Assert.AreEqual(1, linkedActivities.Length);
Assert.AreEqual(messageActivity.Id, linkedActivities[0].ParentId);
await sender.CancelScheduledMessageAsync(seq);
(string Key, object Value, DiagnosticListener)startCancel = listener.Events.Dequeue();
AssertCommonTags((Activity)startCancel.Value, sender.EntityPath, sender.FullyQualifiedNamespace);
Assert.AreEqual(DiagnosticProperty.CancelActivityName + ".Start", startCancel.Key);
(string Key, object Value, DiagnosticListener)stopCancel = listener.Events.Dequeue();
Assert.AreEqual(DiagnosticProperty.CancelActivityName + ".Stop", stopCancel.Key);
}
// send a batch
var batch = await sender.CreateBatchAsync();
for (int i = 0; i < numMessages; i++)
{
batch.TryAdd(GetMessage(sessionId));
}
await sender.SendAsync(batch);
AssertSendActivities(useSessions, sender, batch.AsEnumerable <ServiceBusMessage>(), listener);
};
}