public void DefaultTraceParams() { Assert.Equal(Samplers.GetProbabilitySampler(1e-4), TraceParams.Default.Sampler); Assert.Equal(32, TraceParams.Default.MaxNumberOfAttributes); Assert.Equal(32, TraceParams.Default.MaxNumberOfAnnotations); Assert.Equal(128, TraceParams.Default.MaxNumberOfMessageEvents); Assert.Equal(128, TraceParams.Default.MaxNumberOfLinks); }
public void ProbabilitySampler_DifferentProbabilities_SampledParentLink() { ISampler neverSample = Samplers.GetProbabilitySampler(0.0); AssertSamplerSamplesWithProbability( neverSample, notSampledSpanContext, new List <ISpan>() { sampledSpan }, 1.0); ISampler alwaysSample = Samplers.GetProbabilitySampler(1.0); AssertSamplerSamplesWithProbability( alwaysSample, notSampledSpanContext, new List <ISpan>() { sampledSpan }, 1.0); ISampler fiftyPercentSample = Samplers.GetProbabilitySampler(0.5); AssertSamplerSamplesWithProbability( fiftyPercentSample, notSampledSpanContext, new List <ISpan>() { sampledSpan }, 1.0); ISampler twentyPercentSample = Samplers.GetProbabilitySampler(0.2); AssertSamplerSamplesWithProbability( twentyPercentSample, notSampledSpanContext, new List <ISpan>() { sampledSpan }, 1.0); ISampler twoThirdsSample = Samplers.GetProbabilitySampler(2.0 / 3.0); AssertSamplerSamplesWithProbability( twoThirdsSample, notSampledSpanContext, new List <ISpan>() { sampledSpan }, 1.0); }
public void ProbabilitySampler_ToString() { var result = Samplers.GetProbabilitySampler(0.5).ToString(); Assert.Contains($"0{CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator}5", result); }
public void ProbabilitySampler_getDescription() { Assert.Equal(String.Format("ProbabilitySampler({0:F6})", 0.5), Samplers.GetProbabilitySampler(0.5).Description); }
public void ProbabilitySampler_SampleBasedOnTraceId() { ISampler defaultProbability = Samplers.GetProbabilitySampler(0.0001); // This traceId will not be sampled by the ProbabilitySampler because the first 8 bytes as long // is not less than probability * Long.MAX_VALUE; ITraceId notSampledtraceId = TraceId.FromBytes( new byte[] { 0x8F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0, 0, 0, 0, 0, 0, 0, 0, }); Assert.False( defaultProbability.ShouldSample( null, false, notSampledtraceId, SpanId.GenerateRandomId(random), SPAN_NAME, new List <ISpan>())); // This traceId will be sampled by the ProbabilitySampler because the first 8 bytes as long // is less than probability * Long.MAX_VALUE; ITraceId sampledtraceId = TraceId.FromBytes( new byte[] { 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0, 0, 0, 0, 0, 0, 0, 0, }); Assert.True( defaultProbability.ShouldSample( null, false, sampledtraceId, SpanId.GenerateRandomId(random), SPAN_NAME, new List <ISpan>())); }
public void ProbabilitySampler_OutOfRangeLowProbability() { Assert.Throws <ArgumentOutOfRangeException>(() => Samplers.GetProbabilitySampler(-0.00001)); }
public void ProbabilitySampler_ToString() { Assert.Contains("0.5", Samplers.GetProbabilitySampler(0.5).ToString()); }