public void ModuleKeepsIntervalSteadyWhenMetricsAreLongToCollect()
{
var sentItems = new List <ITelemetry>();
var channel = new StubTelemetryChannel()
{
OnSend = (item) => { sentItems.Add(item); }
};
var config = new TelemetryConfiguration();
config.TelemetryChannel = channel;
config.InstrumentationKey = "dummy";
var startTime = DateTimeOffset.Now;
AggregateMetricsTelemetryModule module = new AggregateMetricsTelemetryModule();
module.FlushInterval = TimeSpan.FromSeconds(6);
module.Initialize(config);
var client = new TelemetryClient(config);
client.Gauge("test", () => { Thread.Sleep(TimeSpan.FromSeconds(1)); return(10); });
Thread.Sleep(TimeSpan.FromSeconds(15));
Assert.AreEqual(2, sentItems.Count);
var metric0 = (MetricTelemetry)sentItems[0];
var metric1 = (MetricTelemetry)sentItems[1];
var timeDelta = metric1.Timestamp - metric0.Timestamp - TimeSpan.FromSeconds(6);
Assert.IsTrue(timeDelta.TotalMilliseconds < 50, "Actual: " + timeDelta);
}
public void SimpleModuleUsage()
{
var sentItems = new List <ITelemetry>();
var channel = new StubTelemetryChannel()
{
OnSend = (item) => { sentItems.Add(item); }
};
var config = new TelemetryConfiguration();
config.TelemetryChannel = channel;
config.InstrumentationKey = "dummy";
AggregateMetricsTelemetryModule module = new AggregateMetricsTelemetryModule();
module.FlushInterval = TimeSpan.FromSeconds(6);
module.Initialize(config);
var client = new TelemetryClient(config);
client.Gauge("test", () => { return(10); });
Thread.Sleep(TimeSpan.FromSeconds(7));
Assert.AreEqual(1, sentItems.Count);
var metric = (MetricTelemetry)sentItems[0];
Assert.AreEqual("test", metric.Name);
Assert.AreEqual(10, metric.Value);
}
public void ModuleWillKeepIntervalWithThreadsStarvation()
{
var sentItems = new List <ITelemetry>();
var channel = new StubTelemetryChannel()
{
OnSend = (item) => { sentItems.Add(item); }
};
var config = new TelemetryConfiguration();
config.TelemetryChannel = channel;
config.InstrumentationKey = "dummy";
AggregateMetricsTelemetryModule module = new AggregateMetricsTelemetryModule();
module.FlushInterval = TimeSpan.FromSeconds(6);
module.Initialize(config);
var startTime = DateTime.Now;
var client = new TelemetryClient(config);
client.Gauge("test", () => { return(10); });
int workerThread;
int ioCompletionThread;
ThreadPool.GetMaxThreads(out workerThread, out ioCompletionThread);
try
{
ThreadPool.SetMaxThreads(10, 10);
for (int i = 0; i < 50; i++)
{
new Task(() => {
Debug.WriteLine("task started");
Thread.Sleep(TimeSpan.FromSeconds(10));
Debug.WriteLine("task finihed");
}).Start();
}
Thread.Sleep(TimeSpan.FromSeconds(7));
Assert.AreEqual(1, sentItems.Count);
var metric = (MetricTelemetry)sentItems[0];
Assert.AreEqual("test", metric.Name);
Assert.AreEqual(10, metric.Value);
Assert.IsTrue(metric.Timestamp.Subtract(startTime).Seconds <= 6, "Actual: " + metric.Timestamp.Subtract(startTime).Seconds);
Assert.IsTrue(metric.Timestamp.Subtract(startTime).Seconds >= 5, "Actual: " + metric.Timestamp.Subtract(startTime).Seconds);
}
finally
{
ThreadPool.SetMaxThreads(workerThread, ioCompletionThread);
}
}
