public void TestProbabilityTagsOverrideRateLimitingTags()
{
_undertest = new GuaranteedThroughputSampler(0.999, 1.0);
SamplingStatus samplingStatus = _undertest.Sample("test", new TraceId(0L));
Assert.True(samplingStatus.IsSampled);
var tags = samplingStatus.Tags;
Assert.Equal(ProbabilisticSampler.Type, tags[Constants.SamplerTypeTagKey]);
Assert.Equal(0.999, tags[Constants.SamplerParamTagKey]);
}
public void TestRateLimitingLowerBound()
{
_undertest = new GuaranteedThroughputSampler(0.0001, 1.0);
SamplingStatus samplingStatus = _undertest.Sample("test", new TraceId(long.MaxValue));
Assert.True(samplingStatus.IsSampled);
var tags = samplingStatus.Tags;
Assert.Equal(GuaranteedThroughputSampler.Type, tags[Constants.SamplerTypeTagKey]);
Assert.Equal(0.0001, tags[Constants.SamplerParamTagKey]);
}
public void TestPerOperationSamplerWithKnownOperation()
{
GuaranteedThroughputSampler sampler = Substitute.ForPartsOf <GuaranteedThroughputSampler>(0, 0);
_operationToSamplers.Add(operation, sampler);
sampler.Sample(operation, TraceId)
.Returns(new SamplingStatus(true, EmptyTags));
SamplingStatus samplingStatus = _undertest.Sample(operation, TraceId);
Assert.True(samplingStatus.IsSampled);
sampler.Received(1).Sample(operation, TraceId);
//verifyNoMoreInteractions(_defaultProbabilisticSampler);
}
public void TestUpdate_rateLimitingSampler()
{
_undertest = new GuaranteedThroughputSampler(0.001, 1);
Assert.False(_undertest.Update(0.001, 1));
Assert.True(_undertest.Update(0.001, 0));
SamplingStatus samplingStatus = _undertest.Sample("test", new TraceId(0L));
Assert.True(samplingStatus.IsSampled);
var tags = samplingStatus.Tags;
Assert.Equal(ProbabilisticSampler.Type, tags[Constants.SamplerTypeTagKey]);
Assert.Equal(0.001, tags[Constants.SamplerParamTagKey]);
}
