public void PropagatorStackShouldInjectExtractAllPropagators()
{
var ps = new PropagatorStack(BuiltinFormats.TextMap);
var httpPropagator = new HttpHeadersPropagator();
var b3Propagator = new B3Propagator();
var textPropagator = new TextMapPropagator();
ps.AddPropagator(httpPropagator);
ps.AddPropagator(b3Propagator);
ps.AddPropagator(textPropagator);
var carrier = new Dictionary <string, string>();
var context = new SpanContext(0, 0);
ps.Inject(context, BuiltinFormats.TextMap, new TextMapInjectAdapter(carrier));
var propagators = new List <IPropagator> {
httpPropagator, b3Propagator, textPropagator
};
foreach (var t in propagators)
{
var extractedContext =
t.Extract(BuiltinFormats.TextMap, new TextMapExtractAdapter(carrier));
Assert.NotNull(extractedContext);
Assert.Equal(context.TraceId, extractedContext.TraceId);
Assert.Equal(context.SpanId, extractedContext.SpanId);
}
}
public void PropagatorStackShouldAddPropagator()
{
var b3Propagator = new B3Propagator();
var ps = new PropagatorStack(BuiltinFormats.HttpHeaders);
Assert.Equal(ps.AddPropagator(Propagators.HttpHeadersPropagator), ps);
Assert.Equal(ps.AddPropagator(b3Propagator), ps);
Assert.Equal(2, ps.Propagators.Count);
Assert.Equal(ps.Propagators[0], Propagators.HttpHeadersPropagator);
Assert.Equal(ps.Propagators[1], b3Propagator);
}
public void PropagatorStackInTracerShouldInjectAndExtract()
{
var ps = new PropagatorStack(BuiltinFormats.HttpHeaders);
ps.AddPropagator(new B3Propagator());
ps.AddPropagator(new HttpHeadersPropagator());
ps.AddPropagator(new TextMapPropagator());
var sr = new SimpleMockRecorder();
var satOpts = new SatelliteOptions("localhost", 80, true);
var tracerOpts = new Options("TEST", satOpts);
tracerOpts.Run = false;
var tracer = new Tracer(tracerOpts, sr, ps);
var span = tracer.BuildSpan("propTest").Start();
var traceId = span.TypedContext().TraceId;
var spanId = span.TypedContext().SpanId;
var hexTraceId = Convert.ToUInt64(traceId).ToString("X");
var hexSpanId = Convert.ToUInt64(spanId).ToString("X");
var data = new Dictionary <string, string>();
tracer.Inject(span.Context, BuiltinFormats.HttpHeaders, new TextMapInjectAdapter(data));
Assert.Equal(traceId, data["ot-tracer-traceid"]);
Assert.Equal(hexTraceId, data["X-B3-TraceId"]);
Assert.Equal(spanId, data["ot-tracer-spanid"]);
Assert.Equal(hexSpanId, data["X-B3-SpanId"]);
span.Finish();
var ctx = tracer.Extract(BuiltinFormats.HttpHeaders, new TextMapExtractAdapter(data));
Assert.Equal(ctx.SpanId, spanId);
Assert.Equal(ctx.TraceId, traceId);
}
public void PropagatorStackShouldThrowOnNullPropagator()
{
var ps = new PropagatorStack(BuiltinFormats.TextMap);
Assert.Throws <ArgumentNullException>(() => ps.AddPropagator(null));
}