public void FlushedMetricDoesNotHaveData()
{
var collector = new MetricsCollector();
collector.Record("counter", 10M, Unit.Minute);
collector.FlushToString();
Assert.Equal(string.Empty, collector.GetMetrics()["counter"].FlushToString());
}
public void CollectorShouldIgnoreInvalidMetricNames()
{
var collector = new MetricsCollector();
const string invalidName = "Invalid@Name";
collector.IncrementCounter(invalidName, 1);
using (collector.StartTimer(invalidName))
{
collector.Record(invalidName, 0, Unit.None);
}
Assert.Equal(string.Empty, collector.FlushToString());
}
public void MergeOfTwoCollectorsShouldWork()
{
var collector1 = new MetricsCollector();
var collector2 = new MetricsCollector();
collector1.IncrementCounter("Counter", 1);
collector2.IncrementCounter("Counter", 10);
collector1.Merge(collector2);
var flushed = collector1.FlushToString();
Assert.Equal("m.Counter=11", flushed);
}