public void Returns_empty_uniform_snapshot_when_zero_size()
{
var reservoir = new DefaultSlidingWindowReservoir(0);
reservoir.GetSnapshot().Should().BeOfType <UniformSnapshot>();
reservoir.GetSnapshot().Size.Should().Be(0);
reservoir.GetSnapshot().Values.Should().BeEmpty();
}
public override void Setup()
{
_fixture = new MetricsCoreTestFixture();
_reservoir = new DefaultSlidingWindowReservoir();
_scheduler = new DefaultMetricsTaskSchedular(c => Tick());
}
public void SlidingWindowReservoir()
{
var reservoir = new DefaultSlidingWindowReservoir(Constants.ReservoirSampling.DefaultSampleSize);
foreach (var sample in _samples)
{
reservoir.Update(sample);
}
var snapshot = reservoir.GetSnapshot();
AssertValues(snapshot);
}
public void parameterless_ctor_uses_default_sample_size()
{
var reservoir = new DefaultSlidingWindowReservoir();
var fields = typeof(DefaultSlidingWindowReservoir).GetFields(BindingFlags.Instance
| BindingFlags.GetField
| BindingFlags.SetField
| BindingFlags.NonPublic);
var field = fields.FirstOrDefault(feildInfo => feildInfo.Name == "_values");
((UserValueWrapper[])field.GetValue(reservoir)).Length.Should().Be(Constants.ReservoirSampling.DefaultSampleSize);
}
public void Parameterless_ctor_uses_default_sample_size()
{
var reservoir = new DefaultSlidingWindowReservoir();
var fields = typeof(DefaultSlidingWindowReservoir).GetFields(
BindingFlags.Instance
| BindingFlags.GetField
| BindingFlags.SetField
| BindingFlags.NonPublic);
var field = fields.FirstOrDefault(feildInfo => feildInfo.Name == "_values");
// ReSharper disable PossibleNullReferenceException
((UserValueWrapper[])field.GetValue(reservoir)).Length.Should().Be(AppMetricsReservoirSamplingConstants.DefaultSampleSize);
// ReSharper restore PossibleNullReferenceException
}
public override void Setup()
{
_fixture = new MetricsCoreTestFixture();
_reservoir = new DefaultSlidingWindowReservoir();
_scheduler = new DefaultTaskScheduler();
_scheduler.Interval(
TimeSpan.FromMilliseconds(10),
TaskCreationOptions.None,
() =>
{
_reservoir.GetSnapshot();
_reservoir.Reset();
});
}
public void SlidingWindowReservoir()
{
var reservoir = new DefaultSlidingWindowReservoir(SampleSize);
Run(reservoir);
}
