public void TestManualScrape()
{
CappedLog.CappedLogScope scope;
CappedLog.CappedLogConf conf2, conf3, conf1;
CappedLog.CappedLogMetric metric11, metric12, metric2, metric3;
Init(out scope, out conf2, out conf3, out conf1, out metric11, out metric12, out metric2, out metric3);
int actualCnt1 = 0, actualCnt2 = 0, actualCnt3 = 0;
Action <KeyValuePair <CappedLog.CappedLogConf, IReadOnlyCollection <CappedLog.CappedLogMessage> > > onScrape = e =>
{
var cnt = e.Value.Count;
if (e.Key == conf1)
{
actualCnt1 += cnt;
}
else if (e.Key == conf2)
{
actualCnt2 += cnt;
}
else if (e.Key == conf3)
{
actualCnt3 += cnt;
}
else
{
throw new NotImplementedException();
}
};
var scrapeInterval = TimeSpan.FromSeconds(1);
var scrapeProcess = new ScrapeStub(onScrape);
var cancel = new CancellationTokenSource();
var complete = new SemaphoreSlim(0, 1);
var start = DateTimeOffset.UtcNow;
var scrapeTask = Scrape(CappedLog.CappedLogScrape.CreateScrape(scope, scrapeProcess), complete, scrapeInterval, cancel.Token);
int cnt11 = 0, cnt12 = 0, cnt2 = 0, cnt3 = 0;
Action insert = () =>
{
for (var i = 0; i < 60; ++i)
{
if (Interlocked.Increment(ref cnt11) > 39 || !metric11.TryEnqueue($"message11 {i}"))
{
Interlocked.Decrement(ref cnt11);
}
if (Interlocked.Increment(ref cnt12) > 38 || !metric12.TryEnqueue($"message12 {i}"))
{
Interlocked.Decrement(ref cnt12);
}
if (Interlocked.Increment(ref cnt2) > 51 || !metric2.TryEnqueue($"message2 {i}"))
{
Interlocked.Decrement(ref cnt2);
}
if (Interlocked.Increment(ref cnt3) > 37 || !metric3.TryEnqueue($"message2 {i}"))
{
Interlocked.Decrement(ref cnt3);
}
Task.Delay(50).Wait();
}
};
var tasks = new List <Task>();
for (var i = 0; i < 4; ++i)
{
tasks.Add(Task.Factory.StartNew(insert));
}
Task.WaitAll(tasks.ToArray());
Task.Delay(1500).Wait();
complete.Release();
var(successCnt, errorCnt) = scrapeTask.Result;
var elapsed = (DateTimeOffset.UtcNow - start) / scrapeInterval + 1;
Assert.AreEqual(errorCnt, 0);
Assert.IsTrue(successCnt > 2);
Assert.AreEqual(cnt11 + cnt12, actualCnt1);
Assert.AreEqual(cnt2, actualCnt2);
Assert.AreEqual(cnt3, actualCnt3);
}
public void TestScrape()
{
CappedLog.CappedLogScope scope;
CappedLog.CappedLogConf conf2, conf3, conf1;
CappedLog.CappedLogMetric metric11, metric12, metric2, metric3;
Init(out scope, out conf2, out conf3, out conf1, out metric11, out metric12, out metric2, out metric3);
int errorCnt = 0, successCnt = 0;
int actualCnt1 = 0, actualCnt2 = 0, actualCnt3 = 0;
Action <KeyValuePair <CappedLog.CappedLogConf, IReadOnlyCollection <CappedLog.CappedLogMessage> > > onScrape = e =>
{
var cnt = e.Value.Count;
if (e.Key == conf1)
{
actualCnt1 += cnt;
}
else if (e.Key == conf2)
{
actualCnt2 += cnt;
}
else if (e.Key == conf3)
{
actualCnt3 += cnt;
}
else
{
throw new NotImplementedException();
}
};
var scrapeProcess = new ScrapeStub(onScrape);
var cancel = new CancellationTokenSource();
var scrape = new CappedLog.CappedLogScrape();
scrape.OnError += e => { ++errorCnt; };
scrape.OnSuccess += s => { ++successCnt; };
scrape
.SetScrapeInterval(TimeSpan.FromSeconds(1))
.SetScrape(scope, scrapeProcess);
var scrapeTask = scrape.Start(cancel.Token);
int cnt11 = 0, cnt12 = 0, cnt2 = 0, cnt3 = 0;
Action insert = () =>
{
for (var i = 0; i < 60; ++i)
{
if (Interlocked.Increment(ref cnt11) > 39 || !metric11.TryEnqueue($"message11 {i}"))
{
Interlocked.Decrement(ref cnt11);
}
if (Interlocked.Increment(ref cnt12) > 38 || !metric12.TryEnqueue($"message12 {i}"))
{
Interlocked.Decrement(ref cnt12);
}
if (Interlocked.Increment(ref cnt2) > 51 || !metric2.TryEnqueue($"message2 {i}"))
{
Interlocked.Decrement(ref cnt2);
}
if (Interlocked.Increment(ref cnt3) > 37 || !metric3.TryEnqueue($"message2 {i}"))
{
Interlocked.Decrement(ref cnt3);
}
Task.Delay(50).Wait();
}
};
var tasks = new List <Task>();
for (var i = 0; i < 4; ++i)
{
tasks.Add(Task.Factory.StartNew(insert));
}
Task.WaitAll(tasks.ToArray());
Task.Delay(1500).Wait();
cancel.Cancel();
Assert.AreEqual(errorCnt, 0);
Assert.IsTrue(successCnt > 2);
Assert.AreEqual(cnt11 + cnt12, actualCnt1);
Assert.AreEqual(cnt2, actualCnt2);
Assert.AreEqual(cnt3, actualCnt3);
}