public MetricsService(string name)
{
this.counterCollection = new CounterCollection();
this.meterCollection = new MeterCollection();
this.snapshotCollectiion = new SnapshotCollectiion();
this.timeIntervalCollection = new TimeIntervalCollection();
this.gaugeCollection = new GaugeCollection();
this.name = name;
}
public async Task CounterCollectionMultiTask()
{
var counters = new CounterCollection();
counters.AddCounter("test");
counters.AddCounter("test1");
var task1 = Task.Run( () => FillCollection(counters));
var task2 = Task.Run( () => FillCollection(counters));
await Task.WhenAll(task1, task2);
var res1 = await task1;
var res2 = await task2;
Assert.Equal((res1 + res2), counters["test"].Value + counters["test1"].Value);
Assert.Equal(counters["test"].Value, counters["test1"].Value);
}
private long FillCollection(CounterCollection counters)
{
var r = new Random();
long cycles = 50 + r.Next() % 200;
if (cycles % 2 == 1) cycles++;
Enumerable.Range(1, (int)cycles).ToList()
.ForEach(x =>
{
if(x % 2 == 0)
{
counters["test"].Increment();
}
else
{
counters["test1"].Increment();
}
});
return cycles;
}
public void CounterCollectionAcceptance()
{
var collection = new CounterCollection();
Assert.Equal(0, collection.Count);
collection.AddCounter("test");
Assert.Equal(1, collection.Count);
//try to register metric with same name
collection.AddCounter("test");
Assert.Equal(1, collection.Count);
collection.AddCounter("test1");
Assert.Equal(2, collection.Count);
collection["test"].SetValue(10);
collection["test"].Increment();
collection["test"].Increment();
collection["test"].Decrement();
collection["test1"].SetValue(20);
collection["test1"].Increment();
Assert.Equal(11, collection["test"].Value);
Assert.Equal(21, collection["test1"].Value);
}