public void HttpRequestMessage_InjectExtract_Identity_WithParent()
{
var propagator = new B3SpanContextPropagator();
var traceId = TraceId.CreateFromUlong(18446744073709551615);
const ulong spanId = 18446744073709551614;
const SamplingPriority samplingPriority = SamplingPriority.UserKeep;
IHeadersCollection headers = new HttpRequestMessage().Headers.Wrap();
var parentContext = new SpanContext(traceId, spanId, samplingPriority);
var traceContext = new TraceContext(null)
{
SamplingPriority = samplingPriority
};
var context = new SpanContext(parentContext, traceContext, null);
propagator.Inject(context, headers);
AssertExpected(headers, B3HttpHeaderNames.B3TraceId, "0000000000000000ffffffffffffffff");
AssertExpected(headers, B3HttpHeaderNames.B3SpanId, context.SpanId.ToString("x16"));
AssertExpected(headers, B3HttpHeaderNames.B3ParentId, "fffffffffffffffe");
AssertExpected(headers, B3HttpHeaderNames.B3Flags, "1");
AssertMissing(headers, B3HttpHeaderNames.B3Sampled);
var resultContext = propagator.Extract(headers);
Assert.NotNull(resultContext);
Assert.Equal(context.SpanId, resultContext.SpanId);
Assert.Equal(context.TraceId, resultContext.TraceId);
Assert.Equal(samplingPriority, resultContext.SamplingPriority);
}
public void WebRequest_InjectExtract_Identity()
{
var propagator = new B3SpanContextPropagator();
var traceId = TraceId.CreateFromUlong(2147483647);
const int spanId = 2147483646;
const SamplingPriority samplingPriority = SamplingPriority.AutoReject;
IHeadersCollection headers = WebRequest.CreateHttp("http://localhost").Headers.Wrap();
var context = new SpanContext(traceId, spanId, samplingPriority);
propagator.Inject(context, headers);
AssertExpected(headers, B3HttpHeaderNames.B3TraceId, "0000000000000000000000007fffffff");
AssertExpected(headers, B3HttpHeaderNames.B3SpanId, "000000007ffffffe");
AssertExpected(headers, B3HttpHeaderNames.B3Sampled, "0");
AssertMissing(headers, B3HttpHeaderNames.B3ParentId);
AssertMissing(headers, B3HttpHeaderNames.B3Flags);
var resultContext = propagator.Extract(headers);
Assert.NotNull(resultContext);
Assert.Equal(context.SpanId, resultContext.SpanId);
Assert.Equal(context.TraceId, resultContext.TraceId);
Assert.Equal(context.SamplingPriority, resultContext.SamplingPriority);
}
public void Extract_InvalidTraceId(string traceId)
{
var propagator = new B3SpanContextPropagator();
const string spanId = "7";
const string samplingPriority = "2";
var headers = InjectContext(traceId, spanId, samplingPriority);
var resultContext = propagator.Extract(headers);
// invalid traceId should return a null context even if other values are set
Assert.Null(resultContext);
}
public void Extract_InvalidSamplingPriority(string samplingPriority)
{
var propagator = new B3SpanContextPropagator();
var traceId = TraceId.CreateFromUlong(12345678);
const ulong spanId = 23456789;
var headers = InjectContext(
traceId.ToString(),
spanId.ToString("x16", CultureInfo.InvariantCulture),
samplingPriority);
var resultContext = propagator.Extract(headers);
Assert.NotNull(resultContext);
Assert.Equal(traceId, resultContext.TraceId);
Assert.Equal(spanId, resultContext.SpanId);
Assert.Null(resultContext.SamplingPriority);
}
public void Extract_InvalidSpanId(string spanId)
{
var propagator = new B3SpanContextPropagator();
var traceId = TraceId.CreateFromUlong(12345678);
const SamplingPriority samplingPriority = SamplingPriority.UserKeep;
var headers = InjectContext(
traceId.ToString(),
spanId,
((int)samplingPriority).ToString(CultureInfo.InvariantCulture));
var resultContext = propagator.Extract(headers);
Assert.NotNull(resultContext);
Assert.Equal(traceId, resultContext.TraceId);
Assert.Equal(default(ulong), resultContext.SpanId);
Assert.Equal(samplingPriority, resultContext.SamplingPriority);
}
public void WebRequest_InjectExtract_Identity()
{
var propagator = new B3SpanContextPropagator();
var traceId = TraceId.CreateFromInt(9);
const int spanId = 7;
const SamplingPriority samplingPriority = SamplingPriority.UserKeep;
IHeadersCollection headers = WebRequest.CreateHttp("http://localhost").Headers.Wrap();
var context = new SpanContext(traceId, spanId, samplingPriority);
propagator.Inject(context, headers);
var resultContext = propagator.Extract(headers);
Assert.NotNull(resultContext);
Assert.Equal(context.SpanId, resultContext.SpanId);
Assert.Equal(context.TraceId, resultContext.TraceId);
Assert.Equal(context.SamplingPriority, resultContext.SamplingPriority);
}
public B3SpanContextPropagatorTests()
{
_propagator = new B3SpanContextPropagator(new OtelTraceIdConvention());
}
