public void MeanCounter_WhenMeanIsZero_ThenUseCountForValue()
{
var meanCounter = new MeanCounter("test1", "test2", "test3");
var eventData = new Dictionary <string, object>
{
["Name"] = "active-db-contexts",
["DisplayName"] = "Active DbContexts",
["Mean"] = 0d,
["StandardDeviation"] = 0,
["Count"] = 5,
["Min"] = 0,
["Max"] = 0,
["InvervalSec"] = 9.9996233,
["Series"] = "Interval=10000",
["CounterType"] = "Mean",
["Metadata"] = "",
["DisplayUnits"] = "",
};
meanCounter.TryReadEventCounterData(eventData);
Assert.Equal(5, meanCounter.Metric.Value);
}
public void MeanCounter_WhenMeanIsNaN_ThenUseZeroForValue()
{
var meanCounter = new MeanCounter("test1", "test2", "test3");
var eventData = new Dictionary <string, object>
{
["Name"] = "compiled-query-cache-hit-rate",
["DisplayName"] = "Query Cache Hit Rate",
["Mean"] = double.NaN,
["StandardDeviation"] = 0,
["Count"] = 1,
["Min"] = double.NaN,
["Max"] = double.NaN,
["InvervalSec"] = 9.9996233,
["Series"] = "Interval=10000",
["CounterType"] = "Mean",
["Metadata"] = "",
["DisplayUnits"] = "%"
};
meanCounter.TryReadEventCounterData(eventData);
Assert.Equal(0, meanCounter.Metric.Value);
}
public void MeanCounter_WhenMeanIsGreaterThanZero_ThenUseMeanForValue()
{
var meanCounter = new MeanCounter("test1", "test2", "test3");
var eventData = new Dictionary <string, object>
{
["Name"] = "cpu-usage",
["DisplayName"] = "CPU Usage",
["Mean"] = 15d,
["StandardDeviation"] = 0,
["Count"] = 1,
["Min"] = 0,
["Max"] = 0,
["InvervalSec"] = 9.9996233,
["Series"] = "Interval=10000",
["CounterType"] = "Mean",
["Metadata"] = "",
["DisplayUnits"] = "%",
};
meanCounter.TryReadEventCounterData(eventData);
Assert.Equal(15, meanCounter.Metric.Value);
}
