public async Task HttpCallWithoutRegisteredListener()
{
var mockPayloadSender = new MockPayloadSender();
var agent = new ApmAgent(new TestAgentComponents(payloadSender: mockPayloadSender));
using (var localServer = LocalServer.Create())
{
await agent.Tracer.CaptureTransaction("TestTransaction", "TestType", async t =>
{
Thread.Sleep(5);
var httpClient = new HttpClient();
try
{
await httpClient.GetAsync(localServer.Uri);
}
catch (Exception e)
{
t.CaptureException(e);
}
});
mockPayloadSender.WaitForTransactions();
mockPayloadSender.Transactions.Should().NotBeEmpty();
mockPayloadSender.SignalEndSpans();
mockPayloadSender.WaitForSpans();
mockPayloadSender.SpansOnFirstTransaction.Should().BeEmpty();
}
}
public void CallToEndDoesNotChangeAlreadySetDuration(bool isSampled)
{
var payloadSender = new MockPayloadSender();
var expectedSpansCount = isSampled ? 1 : 0;
using (var agent = new ApmAgent(new TestAgentComponents(payloadSender: payloadSender,
config: new MockConfigSnapshot(transactionSampleRate: isSampled ? "1" : "0"))))
{
var transaction = agent.Tracer.StartTransaction(TestTransaction, UnitTest);
var span = transaction.StartSpan(TestSpan1, ApiConstants.TypeExternal);
payloadSender.Spans.Should().HaveCount(0);
span.Duration = 123456.789;
span.End();
payloadSender.SignalEndSpans();
payloadSender.WaitForSpans();
payloadSender.Spans.Should().HaveCount(expectedSpansCount);
if (isSampled)
{
payloadSender.FirstSpan.Duration.Should().Be(123456.789);
}
payloadSender.Transactions.Should().HaveCount(0);
transaction.Duration = 987654.321;
transaction.End();
payloadSender.SignalEndTransactions();
payloadSender.WaitForTransactions();
payloadSender.Transactions.Should().HaveCount(1);
payloadSender.FirstTransaction.Duration.Should().Be(987654.321);
}
}
public void TransactionWithSpanWithoutEnd()
{
const string transactionName = TestTransaction;
const string transactionType = UnitTest;
const string spanName = "TestSpan";
var payloadSender = new MockPayloadSender();
using (var agent = new ApmAgent(new TestAgentComponents(payloadSender: payloadSender)))
{
var transaction = agent.Tracer.StartTransaction(transactionName, transactionType);
var unused = transaction.StartSpan(spanName, ApiConstants.TypeExternal);
Thread.Sleep(5); //Make sure we have duration > 0
transaction.End(); //Ends transaction, but doesn't end span.
payloadSender.WaitForTransactions();
payloadSender.Transactions.Should().NotBeEmpty();
payloadSender.SignalEndSpans();
payloadSender.WaitForSpans();
payloadSender.SpansOnFirstTransaction.Should().BeEmpty();
agent.Service.Should().NotBeNull();
}
}
public async Task SubscribeUnsubscribe()
{
var mockPayloadSender = new MockPayloadSender();
var agent = new ApmAgent(new TestAgentComponents(payloadSender: mockPayloadSender));
var subscriber = new HttpDiagnosticsSubscriber();
using (var localServer = LocalServer.Create())
{
var url = localServer.Uri;
using (agent.Subscribe(subscriber)) //subscribe
{
await agent.Tracer.CaptureTransaction("TestTransaction", "TestType", async t =>
{
Thread.Sleep(5);
var httpClient = new HttpClient();
try
{
await httpClient.GetAsync(url);
}
catch (Exception e)
{
t.CaptureException(e);
}
});
} //and then unsubscribe
mockPayloadSender.WaitForAny();
mockPayloadSender.Clear();
await agent.Tracer.CaptureTransaction("TestTransaction", "TestType", async t =>
{
Thread.Sleep(5);
var httpClient = new HttpClient();
try
{
await httpClient.GetAsync(url);
}
catch (Exception e)
{
t.CaptureException(e);
}
});
mockPayloadSender.WaitForTransactions();
mockPayloadSender.FirstTransaction.Should().NotBeNull();
mockPayloadSender.SignalEndSpans();
mockPayloadSender.WaitForSpans();
mockPayloadSender.SpansOnFirstTransaction.Should().BeEmpty();
}
}
public void CallingEndMoreThanOnceIsNoop(bool isSampled)
{
var payloadSender = new MockPayloadSender();
var expectedSpansCount = isSampled ? 1 : 0;
using (var agent = new ApmAgent(new TestAgentComponents(payloadSender: payloadSender,
config: new MockConfigSnapshot(transactionSampleRate: isSampled ? "1" : "0"))))
{
var transaction = agent.Tracer.StartTransaction(TestTransaction, UnitTest);
var span = transaction.StartSpan(TestSpan1, ApiConstants.TypeExternal);
payloadSender.Spans.Should().HaveCount(0);
span.End();
payloadSender.SignalEndSpans();
payloadSender.WaitForSpans();
payloadSender.Spans.Should().HaveCount(expectedSpansCount);
if (isSampled)
{
payloadSender.FirstSpan.Name.Should().Be(TestSpan1);
}
span.End();
payloadSender.SignalEndSpans();
payloadSender.WaitForSpans();
payloadSender.Spans.Should().HaveCount(expectedSpansCount);
payloadSender.Transactions.Should().HaveCount(0);
transaction.End();
payloadSender.WaitForTransactions();
payloadSender.Transactions.Should().HaveCount(1);
payloadSender.FirstTransaction.Name.Should().Be(TestTransaction);
transaction.End();
payloadSender.SignalEndTransactions();
payloadSender.WaitForTransactions();
payloadSender.Transactions.Should().HaveCount(1);
}
}
public async Task Does_Not_Capture_Span_When_QueueName_Matches_IgnoreMessageQueues()
{
await using var scope = await QueueScope.CreateWithQueue(_adminClient);
var sender = _client.CreateSender(scope.QueueName);
_agent.ConfigStore.CurrentSnapshot = new MockConfigSnapshot(ignoreMessageQueues: scope.QueueName);
await _agent.Tracer.CaptureTransaction("Send AzureServiceBus Message", "message", async() =>
{
await sender.SendMessageAsync(new ServiceBusMessage("test message")).ConfigureAwait(false);
});
_sender.SignalEndSpans();
_sender.WaitForSpans();
_sender.Spans.Should().HaveCount(0);
}