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 async Task SubscribeAndUnsubscribeAspNetCoreDiagnosticListener()
{
//For reference: unsubscribing from AspNetCoreDiagnosticListener does not seem to work.
//TODO: this should be investigated. This is more relevant for testing.
// using (_agent.Subscribe(new AspNetCoreDiagnosticsSubscriber()))
// {
// await _client.GetAsync("/Home/TriggerError");
//
// _capturedPayload.Transactions.Should().ContainSingle();
//
// _capturedPayload.Errors.Should().NotBeEmpty();
// _capturedPayload.Errors.Should().ContainSingle();
// _capturedPayload.Errors[0].CapturedException.Type.Should().Be(typeof(Exception).FullName);
// } //here we unsubsribe, so no errors should be captured after this line.
_agent.Dispose();
_capturedPayload.Clear();
await _client.GetAsync("/Home/TriggerError");
_capturedPayload.Transactions.Should().ContainSingle();
_capturedPayload.Errors.Should().BeEmpty();
}
public async Task ChangeSanitizeFieldNamesAfterStart(bool useDiagnosticSourceOnly)
{
var startConfigSnapshot = new MockConfigSnapshot(new NoopLogger());
_capturedPayload = new MockPayloadSender();
var agentComponents = new TestAgentComponents(
_logger,
startConfigSnapshot, _capturedPayload,
new CurrentExecutionSegmentsContainer());
_agent = new ApmAgent(agentComponents);
_client = Helper.GetClient(_agent, _factory, useDiagnosticSourceOnly);
_client.DefaultRequestHeaders.Add("foo", "bar");
await _client.GetAsync("/Home/SimplePage");
_capturedPayload.WaitForTransactions();
_capturedPayload.Transactions.Should().ContainSingle();
_capturedPayload.FirstTransaction.Context.Should().NotBeNull();
_capturedPayload.FirstTransaction.Context.Request.Should().NotBeNull();
_capturedPayload.FirstTransaction.Context.Request.Headers.Should().NotBeNull();
_capturedPayload.FirstTransaction.Context.Request.Headers["foo"].Should().Be("bar");
_capturedPayload.Clear();
//change config to sanitize headers with "foo"
var updateConfigSnapshot = new MockConfigSnapshot(
new NoopLogger()
, sanitizeFieldNames: "foo"
);
_agent.ConfigStore.CurrentSnapshot = updateConfigSnapshot;
await _client.GetAsync("/Home/SimplePage");
_capturedPayload.WaitForTransactions();
_capturedPayload.Transactions.Should().ContainSingle();
_capturedPayload.FirstTransaction.Context.Should().NotBeNull();
_capturedPayload.FirstTransaction.Context.Request.Should().NotBeNull();
_capturedPayload.FirstTransaction.Context.Request.Headers.Should().NotBeNull();
_capturedPayload.FirstTransaction.Context.Request.Headers["foo"].Should().Be("[REDACTED]");
}
public async Task SubscribeAndUnsubscribeSmartSqlDiagnosticListener()
{
using (_agent.Subscribe(new SmartSqlDiagnosticsSubscriber()))
{
var response = await _client.GetAsync("/Home/Index");
_capturedPayload.Transactions.Should().ContainSingle();
_capturedPayload.SpansOnFirstTransaction.Should()
.NotBeEmpty()
.And.Contain(n => n.Context.Db != null);
} //here we unsubscribe, so no errors should be captured after this line.
_capturedPayload.Clear();
await _client.GetAsync("/Home/Index");
_capturedPayload.Transactions.Should().ContainSingle();
_capturedPayload.SpansOnFirstTransaction.Should().BeEmpty();
}