public void ToSpanData_NoRecordEvents()
{
ISpan span =
Span.StartSpan(
spanContext,
noRecordSpanOptions,
SPAN_NAME,
parentSpanId,
false,
TraceParams.DEFAULT,
startEndHandler,
timestampConverter,
testClock);
// Check that adding trace events after Span#End() does not throw any exception.
span.PutAttributes(attributes);
span.AddAnnotation(Annotation.FromDescription(ANNOTATION_DESCRIPTION));
span.AddAnnotation(ANNOTATION_DESCRIPTION, attributes);
span.AddMessageEvent(
MessageEvent.Builder(MessageEventType.RECEIVED, 1).SetUncompressedMessageSize(3).Build());
span.AddLink(Link.FromSpanContext(spanContext, LinkType.CHILD_LINKED_SPAN));
span.End();
//exception.expect(IllegalStateException);
Assert.Throws <InvalidOperationException>(() => ((Span)span).ToSpanData());
}
private static void DoWork(int i)
{
// 6. Get the global singleton Tracer object
ITracer tracer = Tracing.Tracer;
// 7. Start another span. If another span was already started, it'll use that span as the parent span.
// In this example, the main method already started a span, so that'll be the parent span, and this will be
// a child span.
using (OpenCensus.Common.IScope scope = tracer.SpanBuilder("DoWork").StartScopedSpan())
{
// Simulate some work.
ISpan span = tracer.CurrentSpan;
try
{
Console.WriteLine("Doing busy work");
Thread.Sleep(1000);
}
catch (ArgumentOutOfRangeException e)
{
// 6. Set status upon error
span.Status = Status.Internal.WithDescription(e.ToString());
}
// 7. Annotate our span to capture metadata about our operation
var attributes = new Dictionary<string, IAttributeValue>();
attributes.Add("use", AttributeValue.StringAttributeValue("demo"));
span.AddAnnotation("Invoking DoWork", attributes);
}
}
public void NoEventsRecordedAfterEnd()
{
ISpan span =
Span.StartSpan(
spanContext,
recordSpanOptions,
SPAN_NAME,
parentSpanId,
false,
TraceParams.DEFAULT,
startEndHandler,
timestampConverter,
testClock);
span.End();
// Check that adding trace events after Span#End() does not throw any exception and are not
// recorded.
span.PutAttributes(attributes);
span.PutAttribute(
"MySingleStringAttributeKey",
AttributeValue.StringAttributeValue("MySingleStringAttributeValue"));
span.AddAnnotation(Annotation.FromDescription(ANNOTATION_DESCRIPTION));
span.AddAnnotation(ANNOTATION_DESCRIPTION, attributes);
span.AddMessageEvent(
MessageEvent.Builder(MessageEventType.RECEIVED, 1).SetUncompressedMessageSize(3).Build());
span.AddLink(Link.FromSpanContext(spanContext, LinkType.CHILD_LINKED_SPAN));
ISpanData spanData = ((Span)span).ToSpanData();
Assert.Equal(timestamp, spanData.StartTimestamp);
Assert.Empty(spanData.Attributes.AttributeMap);
Assert.Empty(spanData.Annotations.Events);
Assert.Empty(spanData.MessageEvents.Events);
Assert.Empty(spanData.Links.Links);
Assert.Equal(Status.OK, spanData.Status);
Assert.Equal(timestamp, spanData.EndTimestamp);
}
public void DroppingAnnotations()
{
int maxNumberOfAnnotations = 8;
TraceParams traceParams =
TraceParams.Default.ToBuilder().SetMaxNumberOfAnnotations(maxNumberOfAnnotations).Build();
ISpan span =
Span.StartSpan(
spanContext,
recordSpanOptions,
SPAN_NAME,
parentSpanId,
false,
traceParams,
startEndHandler,
timestampConverter,
testClock);
IAnnotation annotation = Annotation.FromDescription(ANNOTATION_DESCRIPTION);
int i = 0;
for (i = 0; i < 2 * maxNumberOfAnnotations; i++)
{
span.AddAnnotation(annotation);
testClock.AdvanceTime(Duration.Create(0, 100));
}
ISpanData spanData = ((Span)span).ToSpanData();
Assert.Equal(maxNumberOfAnnotations, spanData.Annotations.DroppedEventsCount);
Assert.Equal(maxNumberOfAnnotations, spanData.Annotations.Events.Count());
i = 0;
foreach (var te in spanData.Annotations.Events)
{
Assert.Equal(timestamp.AddNanos(100 * (maxNumberOfAnnotations + i)), te.Timestamp);
Assert.Equal(annotation, te.Event);
i++;
}
span.End();
spanData = ((Span)span).ToSpanData();
Assert.Equal(maxNumberOfAnnotations, spanData.Annotations.DroppedEventsCount);
Assert.Equal(maxNumberOfAnnotations, spanData.Annotations.Events.Count());
i = 0;
foreach (var te in spanData.Annotations.Events)
{
Assert.Equal(timestamp.AddNanos(100 * (maxNumberOfAnnotations + i)), te.Timestamp);
Assert.Equal(annotation, te.Event);
i++;
}
}
public void GoSpanData_EndedSpan()
{
ISpan span =
Span.StartSpan(
spanContext,
recordSpanOptions,
SPAN_NAME,
parentSpanId,
false,
TraceParams.DEFAULT,
startEndHandler,
timestampConverter,
testClock);
span.PutAttribute(
"MySingleStringAttributeKey",
AttributeValue.StringAttributeValue("MySingleStringAttributeValue"));
span.PutAttributes(attributes);
testClock.AdvanceTime(Duration.Create(0, 100));
span.AddAnnotation(Annotation.FromDescription(ANNOTATION_DESCRIPTION));
testClock.AdvanceTime(Duration.Create(0, 100));
span.AddAnnotation(ANNOTATION_DESCRIPTION, attributes);
testClock.AdvanceTime(Duration.Create(0, 100));
IMessageEvent networkEvent =
MessageEvent.Builder(MessageEventType.RECEIVED, 1).SetUncompressedMessageSize(3).Build();
span.AddMessageEvent(networkEvent);
ILink link = Link.FromSpanContext(spanContext, LinkType.CHILD_LINKED_SPAN);
span.AddLink(link);
testClock.AdvanceTime(Duration.Create(0, 100));
span.End(EndSpanOptions.Builder().SetStatus(Status.CANCELLED).Build());
ISpanData spanData = ((Span)span).ToSpanData();
Assert.Equal(spanContext, spanData.Context);
Assert.Equal(SPAN_NAME, spanData.Name);
Assert.Equal(parentSpanId, spanData.ParentSpanId);
Assert.False(spanData.HasRemoteParent);
Assert.Equal(0, spanData.Attributes.DroppedAttributesCount);
Assert.Equal(expectedAttributes, spanData.Attributes.AttributeMap);
Assert.Equal(0, spanData.Annotations.DroppedEventsCount);
Assert.Equal(2, spanData.Annotations.Events.Count);
Assert.Equal(timestamp.AddNanos(100), spanData.Annotations.Events[0].Timestamp);
Assert.Equal(Annotation.FromDescription(ANNOTATION_DESCRIPTION), spanData.Annotations.Events[0].Event);
Assert.Equal(timestamp.AddNanos(200), spanData.Annotations.Events[1].Timestamp);
Assert.Equal(Annotation.FromDescriptionAndAttributes(ANNOTATION_DESCRIPTION, attributes), spanData.Annotations.Events[1].Event);
Assert.Equal(0, spanData.MessageEvents.DroppedEventsCount);
Assert.Equal(1, spanData.MessageEvents.Events.Count);
Assert.Equal(timestamp.AddNanos(300), spanData.MessageEvents.Events[0].Timestamp);
Assert.Equal(networkEvent, spanData.MessageEvents.Events[0].Event);
Assert.Equal(0, spanData.Links.DroppedLinksCount);
Assert.Equal(1, spanData.Links.Links.Count);
Assert.Equal(link, spanData.Links.Links[0]);
Assert.Equal(timestamp, spanData.StartTimestamp);
Assert.Equal(Status.CANCELLED, spanData.Status);
Assert.Equal(timestamp.AddNanos(400), spanData.EndTimestamp);
var startEndMock = Mock.Get <IStartEndHandler>(startEndHandler);
var spanBase = span as SpanBase;
startEndMock.Verify(s => s.OnStart(spanBase), Times.Once);
startEndMock.Verify(s => s.OnEnd(spanBase), Times.Once);
}
public void ToSpanData_ActiveSpan()
{
ISpan span =
Span.StartSpan(
spanContext,
recordSpanOptions,
SPAN_NAME,
parentSpanId,
true,
TraceParams.Default,
startEndHandler,
timestampConverter,
testClock);
span.PutAttribute(
"MySingleStringAttributeKey",
AttributeValue.StringAttributeValue("MySingleStringAttributeValue"));
span.PutAttributes(attributes);
testClock.AdvanceTime(Duration.Create(0, 100));
span.AddAnnotation(Annotation.FromDescription(ANNOTATION_DESCRIPTION));
testClock.AdvanceTime(Duration.Create(0, 100));
span.AddAnnotation(ANNOTATION_DESCRIPTION, attributes);
testClock.AdvanceTime(Duration.Create(0, 100));
IMessageEvent networkEvent =
MessageEvent.Builder(MessageEventType.Received, 1).SetUncompressedMessageSize(3).Build();
span.AddMessageEvent(networkEvent);
testClock.AdvanceTime(Duration.Create(0, 100));
ILink link = Link.FromSpanContext(spanContext, LinkType.ChildLinkedSpan);
span.AddLink(link);
ISpanData spanData = ((Span)span).ToSpanData();
Assert.Equal(spanContext, spanData.Context);
Assert.Equal(SPAN_NAME, spanData.Name);
Assert.Equal(parentSpanId, spanData.ParentSpanId);
Assert.True(spanData.HasRemoteParent);
Assert.Equal(0, spanData.Attributes.DroppedAttributesCount);
Assert.Equal(expectedAttributes, spanData.Attributes.AttributeMap);
Assert.Equal(0, spanData.Annotations.DroppedEventsCount);
Assert.Equal(2, spanData.Annotations.Events.Count());
Assert.Equal(timestamp.AddNanos(100), spanData.Annotations.Events.ToList()[0].Timestamp);
Assert.Equal(Annotation.FromDescription(ANNOTATION_DESCRIPTION), spanData.Annotations.Events.ToList()[0].Event);
Assert.Equal(timestamp.AddNanos(200), spanData.Annotations.Events.ToList()[1].Timestamp);
Assert.Equal(Annotation.FromDescriptionAndAttributes(ANNOTATION_DESCRIPTION, attributes), spanData.Annotations.Events.ToList()[1].Event);
Assert.Equal(0, spanData.MessageEvents.DroppedEventsCount);
Assert.Single(spanData.MessageEvents.Events);
Assert.Equal(timestamp.AddNanos(300), spanData.MessageEvents.Events.First().Timestamp);
Assert.Equal(networkEvent, spanData.MessageEvents.Events.First().Event);
Assert.Equal(0, spanData.Links.DroppedLinksCount);
Assert.Single(spanData.Links.Links);
Assert.Equal(link, spanData.Links.Links.First());
Assert.Equal(timestamp, spanData.StartTimestamp);
Assert.Null(spanData.Status);
Assert.Null(spanData.EndTimestamp);
var startEndMock = Mock.Get <IStartEndHandler>(startEndHandler);
var spanBase = span as SpanBase;
startEndMock.Verify(s => s.OnStart(spanBase), Times.Once);
}
