public void CheckForceFlushExport(int timeout)
{
var exportedItems = new List <Activity>();
using var exporter = new InMemoryExporter <Activity>(exportedItems);
using var processor = new BatchExportProcessor <Activity>(
exporter,
maxQueueSize: 3,
maxExportBatchSize: 3,
exporterTimeoutMilliseconds: 30000);
processor.OnEnd(new Activity("start1"));
processor.OnEnd(new Activity("start2"));
Assert.Equal(0, processor.ProcessedCount);
// waiting to see if time is triggering the exporter
Thread.Sleep(1_000);
Assert.Empty(exportedItems);
// forcing flush
processor.ForceFlush(timeout);
if (timeout == 0)
{
// ForceFlush(0) will trigger flush and return immediately, so let's sleep for a while
Thread.Sleep(1_000);
}
Assert.Equal(2, exportedItems.Count);
Assert.Equal(2, processor.ProcessedCount);
Assert.Equal(2, processor.ReceivedCount);
Assert.Equal(0, processor.DroppedCount);
}
public void CheckShutdownExport(int timeout)
{
var exportedItems = new List <Activity>();
using var exporter = new InMemoryExporter <Activity>(exportedItems);
using var processor = new BatchExportProcessor <Activity>(
exporter,
maxQueueSize: 3,
maxExportBatchSize: 3,
exporterTimeoutMilliseconds: 30000);
var activity = new Activity("start");
activity.ActivityTraceFlags = ActivityTraceFlags.Recorded;
processor.OnEnd(activity);
processor.Shutdown(timeout);
if (timeout == 0)
{
// ForceFlush(0) will trigger flush and return immediately, so let's sleep for a while
Thread.Sleep(1_000);
}
Assert.Single(exportedItems);
Assert.Equal(1, processor.ProcessedCount);
Assert.Equal(1, processor.ReceivedCount);
Assert.Equal(0, processor.DroppedCount);
}
public void CheckExportForRecordingButNotSampledActivity()
{
var exportedItems = new List <Activity>();
using var exporter = new InMemoryExporter <Activity>(exportedItems);
using var processor = new BatchExportProcessor <Activity>(
exporter,
maxQueueSize: 1,
maxExportBatchSize: 1);
var activity = new Activity("start");
activity.ActivityTraceFlags = ActivityTraceFlags.None;
processor.OnEnd(activity);
processor.Shutdown();
Assert.Empty(exportedItems);
Assert.Equal(0, processor.ProcessedCount);
}
public void StackdriverExporter_TraceClientThrows_ExportResultFailure()
{
Exception exception = null;
ExportResult result = ExportResult.Success;
const string ActivitySourceName = "stackdriver.test";
var source = new ActivitySource(ActivitySourceName);
var traceClientMock = new Mock <TraceServiceClient>(MockBehavior.Strict);
traceClientMock.Setup(x =>
x.BatchWriteSpans(It.IsAny <BatchWriteSpansRequest>(), It.IsAny <CallSettings>()))
.Throws(new RpcException(Status.DefaultCancelled))
.Verifiable($"{nameof(TraceServiceClient.BatchWriteSpans)} was never called");
var activityExporter = new StackdriverTraceExporter("test", traceClientMock.Object);
var testExporter = new TestExporter <Activity>(RunTest);
var processor = new BatchExportProcessor <Activity>(testExporter);
for (int i = 0; i < 10; i++)
{
using Activity activity = source.StartActivity("Test Activity");
processor.OnEnd(activity);
}
processor.Shutdown();
void RunTest(Batch <Activity> batch)
{
exception = Record.Exception(() =>
{
result = activityExporter.Export(batch);
});
}
Assert.Null(exception);
Assert.StrictEqual(ExportResult.Failure, result);
traceClientMock.VerifyAll();
}
public void CheckShutdownExport(int timeout)
{
using var exporter = new TestActivityExporter();
using var processor = new BatchExportProcessor <Activity>(
exporter,
maxQueueSize: 3,
maxExportBatchSize: 3,
exporterTimeoutMilliseconds: 30000);
processor.OnEnd(new Activity("start"));
processor.Shutdown(timeout);
if (timeout == 0)
{
// ForceFlush(0) will trigger flush and return immediately, so let's sleep for a while
Thread.Sleep(1_000);
}
Assert.Single(exporter.Exported);
Assert.Equal(1, processor.ProcessedCount);
Assert.Equal(1, processor.ReceivedCount);
Assert.Equal(0, processor.DroppedCount);
}
public void ToOtlpResourceSpansTest(bool addResource, string optionsServiceName)
{
var evenTags = new[] { new KeyValuePair <string, object>("k0", "v0") };
var oddTags = new[] { new KeyValuePair <string, object>("k1", "v1") };
var sources = new[]
{
new ActivitySource("even", "2.4.6"),
new ActivitySource("odd", "1.3.5"),
};
var builder = Sdk.CreateTracerProviderBuilder()
.AddSource(sources[0].Name)
.AddSource(sources[1].Name);
Resources.Resource resource = null;
if (addResource)
{
resource = new Resources.Resource(
new List <KeyValuePair <string, object> >
{
new KeyValuePair <string, object>(Resources.Resource.ServiceNameKey, "service-name"),
new KeyValuePair <string, object>(Resources.Resource.ServiceNamespaceKey, "ns1"),
});
builder.SetResource(resource);
}
using var openTelemetrySdk = builder.Build();
var processor = new BatchExportProcessor <Activity>(new TestExporter <Activity>(RunTest));
const int numOfSpans = 10;
bool isEven;
for (var i = 0; i < numOfSpans; i++)
{
isEven = i % 2 == 0;
var source = sources[i % 2];
var activityKind = isEven ? ActivityKind.Client : ActivityKind.Server;
var activityTags = isEven ? evenTags : oddTags;
using Activity activity = source.StartActivity($"span-{i}", activityKind, parentContext: default, activityTags);
processor.OnEnd(activity);
}
processor.Shutdown();
void RunTest(Batch <Activity> batch)
{
var request = new OtlpCollector.ExportTraceServiceRequest();
request.AddBatch(
new OtlpExporter(
new OtlpExporterOptions
{
ServiceName = optionsServiceName,
},
new NoopTraceServiceClient()),
batch);
Assert.Single(request.ResourceSpans);
var oltpResource = request.ResourceSpans.First().Resource;
if (addResource)
{
Assert.Contains(oltpResource.Attributes, (kvp) => kvp.Key == Resources.Resource.ServiceNameKey && kvp.Value.StringValue == "service-name");
Assert.Contains(oltpResource.Attributes, (kvp) => kvp.Key == Resources.Resource.ServiceNamespaceKey && kvp.Value.StringValue == "ns1");
}
else
{
Assert.Contains(oltpResource.Attributes, (kvp) => kvp.Key == Resources.Resource.ServiceNameKey && kvp.Value.StringValue == optionsServiceName);
}
foreach (var instrumentationLibrarySpans in request.ResourceSpans.First().InstrumentationLibrarySpans)
{
Assert.Equal(numOfSpans / 2, instrumentationLibrarySpans.Spans.Count);
Assert.NotNull(instrumentationLibrarySpans.InstrumentationLibrary);
var expectedSpanNames = new List <string>();
var start = instrumentationLibrarySpans.InstrumentationLibrary.Name == "even" ? 0 : 1;
for (var i = start; i < numOfSpans; i += 2)
{
expectedSpanNames.Add($"span-{i}");
}
var otlpSpans = instrumentationLibrarySpans.Spans;
Assert.Equal(expectedSpanNames.Count, otlpSpans.Count);
var kv0 = new OtlpCommon.KeyValue {
Key = "k0", Value = new OtlpCommon.AnyValue {
StringValue = "v0"
}
};
var kv1 = new OtlpCommon.KeyValue {
Key = "k1", Value = new OtlpCommon.AnyValue {
StringValue = "v1"
}
};
var expectedTag = instrumentationLibrarySpans.InstrumentationLibrary.Name == "even"
? kv0
: kv1;
foreach (var otlpSpan in otlpSpans)
{
Assert.Contains(otlpSpan.Name, expectedSpanNames);
Assert.Contains(expectedTag, otlpSpan.Attributes);
}
}
}
}