public async Task EventHub_MultipleDispatch_IndependentMessages()
{
// send individual messages via EventHub client, process batch by host
await using var ehClient = new EventHubProducerClient(EventHubsTestEnvironment.Instance.EventHubsConnectionString, _eventHubScope.EventHubName);
var messages = new EventData[5];
var expectedLinks = new TestLink[messages.Length];
for (int i = 0; i < messages.Length; i++)
{
var operationId = ActivityTraceId.CreateRandom().ToHexString();
var spanId = ActivitySpanId.CreateRandom().ToHexString();
expectedLinks[i] = new TestLink
{
operation_Id = operationId,
id = spanId
};
messages[i] = new EventData(Encoding.UTF8.GetBytes(i.ToString()))
{
Properties = { ["Diagnostic-Id"] = $"00-{operationId}-{spanId}-01" }
};
}
await ehClient.SendAsync(messages);
var(jobHost, host) = BuildHost <EventHubTestMultipleDispatchJobs>();
using (host)
{
bool result = _eventWait.WaitOne(Timeout);
Assert.True(result);
}
List <RequestTelemetry> requests = _channel.Telemetries.OfType <RequestTelemetry>().ToList();
var ehTriggerRequests = requests.Where(r => r.Context.Operation.Name == nameof(EventHubTestMultipleDispatchJobs.ProcessMultipleEvents));
List <TestLink> actualLinks = new List <TestLink>();
foreach (var ehTriggerRequest in ehTriggerRequests)
{
ValidateEventHubRequest(
ehTriggerRequest,
true,
EventHubsTestEnvironment.Instance.FullyQualifiedNamespace,
_eventHubScope.EventHubName,
nameof(EventHubTestMultipleDispatchJobs.ProcessMultipleEvents),
null,
null);
Assert.NotNull(ehTriggerRequest.Context.Operation.Id);
Assert.Null(ehTriggerRequest.Context.Operation.ParentId);
Assert.True(ehTriggerRequest.Properties.TryGetValue("_MS.links", out var linksStr));
actualLinks.AddRange(JsonConvert.DeserializeObject <TestLink[]>(linksStr, jsonSettingThrowOnError));
}
Assert.AreEqual(expectedLinks.Length, actualLinks.Count);
foreach (var link in actualLinks)
{
Assert.True(expectedLinks.Any(l => l.operation_Id == link.operation_Id && l.id == link.id));
}
}
