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 PropagatorSkipsParentIdIfParentIdIsNull()
{
var propatagor = new B3Propagator();
var map = new Dictionary <string, string>();
propatagor.Inject(new SpanContext(1, 323423, null, false, true, false), new DictionaryPropagatorMap(map));
Assert.False(map.TryGetValue("X-B3-ParentSpanId", out var _));
}
public void DebugContextPropagateFlagsWithoutSampled()
{
var propatagor = new B3Propagator();
var map = new Dictionary <string, string>();
propatagor.Inject(new SpanContext(1, 323423, 4343, true, true, false), new DictionaryPropagatorMap(map));
Assert.False(map.TryGetValue("X-B3-Sampled", out var _));
Assert.Equal("1", map["X-B3-Flags"]);
}
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 PropagatorInsertsAllSpanContextFields()
{
var propatagor = new B3Propagator();
var map = new Dictionary <string, string>();
propatagor.Inject(new SpanContext(1, 323423, 4343, true, false, false), new DictionaryPropagatorMap(map));
Assert.Equal(4, map.Count);
Assert.Equal(1.ToString("x16"), map["X-B3-TraceId"]);
Assert.Equal(323423.ToString("x16"), map["X-B3-SpanId"]);
Assert.Equal(4343.ToString("x16"), map["X-B3-ParentSpanId"]);
Assert.Equal("1", map["X-B3-Sampled"]);
}
public void SampledContextEncodingIsHandledCorrectly()
{
var propatagor = new B3Propagator();
var map = new Dictionary <string, string>();
propatagor.Inject(new SpanContext(1, 323423, 4343, true, false, false), new DictionaryPropagatorMap(map));
Assert.Equal("1", map["X-B3-Sampled"]);
map.Clear();
propatagor.Inject(new SpanContext(1, 344332, 98, false, false, false), new DictionaryPropagatorMap(map));
Assert.Equal("0", map["X-B3-Sampled"]);
}
public void PropagatorExtractsContextWithNoParentId()
{
var propatagor = new B3Propagator();
var map = new Dictionary <string, string>();
propatagor.Inject(new SpanContext(189879, 46764, null, true, false, false), new DictionaryPropagatorMap(map));
var context = propatagor.Extract(new DictionaryPropagatorMap(map)) as SpanContext;
Assert.NotNull(context);
Assert.Equal <ulong>(189879, context.TraceId.TraceIdLow);
Assert.Equal <ulong>(46764, context.SpanId);
Assert.False(context.ParentId.HasValue);
Assert.True(context.Sampled);
Assert.False(context.Debug);
Assert.False(context.Shared);
}
public void PropagatorExtractsContextFromFullTextMap()
{
var propatagor = new B3Propagator();
var map = new Dictionary <string, string>();
propatagor.Inject(new SpanContext(1, 323423, 4343, true, false, false), new DictionaryPropagatorMap(map));
var context = propatagor.Extract(new DictionaryPropagatorMap(map)) as SpanContext;
Assert.NotNull(context);
Assert.Equal <ulong>(1, context.TraceId.TraceIdLow);
Assert.Equal <ulong>(323423, context.SpanId);
Assert.Equal <ulong>(4343, context.ParentId.Value);
Assert.True(context.Sampled);
Assert.False(context.Debug);
Assert.False(context.Shared);
}
public void B3PropagatorShouldHandle128bitTraceIds()
{
var propagator = new B3Propagator();
var traceId = "aef5705a090040838f1359ebafa5c0c6";
var truncatedTraceId = "8f1359ebafa5c0c6";
var spanId = "1";
var headers = new Dictionary <string, string>
{
{ B3Propagator.TraceIdName, traceId },
{ B3Propagator.SpanIdName, spanId }
};
var extractedContext = propagator.Extract(BuiltinFormats.TextMap, new TextMapExtractAdapter(headers));
Assert.Equal(traceId, extractedContext.OriginalTraceId);
Assert.Equal(truncatedTraceId, extractedContext.TraceId);
Assert.Equal(spanId, extractedContext.SpanId);
headers.Clear();
propagator.Inject(extractedContext, BuiltinFormats.TextMap, new TextMapInjectAdapter(headers));
Assert.Equal(traceId, headers[B3Propagator.TraceIdName]);
Assert.Equal(spanId, headers[B3Propagator.SpanIdName]);
}
