public void TestEvaluatorMetricsCountersOnly()
{
var evalMetrics1 = TangFactory.GetTang().NewInjector().GetInstance <IEvaluatorMetrics>();
var counter1 = evalMetrics1.CreateAndRegisterMetric <CounterMetric>(
"counter1",
"Counter1 description",
false);
for (int i = 0; i < 5; i++)
{
counter1.Increment();
}
var evalMetricsData = evalMetrics1.GetMetricsData();
ValidateMetric(evalMetricsData, "counter1", 5);
foreach (var t in evalMetricsData.GetMetricTrackers())
{
// Records for counter1 should be null because KeepUpdateHistory is false.
Assert.Null(t.GetMetricRecords());
}
var metricsStr = evalMetrics1.Serialize();
var evalMetrics2 = new EvaluatorMetrics(metricsStr);
Assert.False(evalMetrics2.GetMetricsData().TryGetMetric("counter1", out CounterMetric metricObj));
Assert.Null(metricObj);
}
public void TestMetricsSimulateHeartbeat()
{
var evalMetrics1 = TangFactory.GetTang().NewInjector().GetInstance <IEvaluatorMetrics>();
evalMetrics1.CreateAndRegisterMetric <CounterMetric>("counter", "counter with no records", false);
evalMetrics1.CreateAndRegisterMetric <IntegerMetric>("iteration", "iteration with records", true);
Assert.True(evalMetrics1.TryGetMetric("counter", out CounterMetric counter));
Assert.True(evalMetrics1.TryGetMetric("iteration", out IntegerMetric iter));
for (int i = 1; i <= 5; i++)
{
counter.Increment();
iter.AssignNewValue(i);
}
var me1Str = evalMetrics1.Serialize();
var evalMetrics2 = new EvaluatorMetrics(me1Str);
var metricsData2 = evalMetrics2.GetMetricsData();
var sink = TangFactory.GetTang().NewInjector().GetInstance <IMetricsSink>();
sink.Sink(metricsData2.FlushMetricRecords());
foreach (var t in metricsData2.GetMetricTrackers())
{
Assert.Equal(0, t.GetMetricRecords().ToList().Count);
}
}