public void ShouldResetThroughput()
{
var throughput = new List <double>();
NLoad.Test <TestMock>()
.WithNumberOfThreads(1)
.WithDurationOf(TimeSpan.FromSeconds(2))
.OnHeartbeat((s, hearbeat) => throughput.Add(hearbeat.Throughput))
.Build()
.Run();
var last = throughput.Last();
throughput.Clear();
NLoad.Test <TestMock>()
.WithNumberOfThreads(1)
.WithDurationOf(TimeSpan.FromSeconds(1))
.OnHeartbeat((s, hearbeat) => throughput.Add(hearbeat.Throughput))
.Build()
.Run();
var first = throughput.First();
Assert.AreNotEqual(first, last);
}
public void MultithreadedLoadTest()
{
var duration = TimeSpan.FromSeconds(3);
var loadTest = NLoad.Test <OneSecondDelayTest>()
.WithNumberOfThreads(10)
.WithDurationOf(duration)
.WithDeleyBetweenThreadStart(TimeSpan.Zero)
.Build();
var result = loadTest.Run();
Assert.AreNotEqual(0, result.TotalIterations);
Assert.AreNotEqual(TimeSpan.Zero, result.TotalRuntime);
Assert.IsTrue(result.TotalRuntime > duration);
Assert.IsTrue(result.Heartbeat.Any());
Assert.IsTrue(result.MaxThroughput > 0);
Assert.IsTrue(result.AverageThroughput > 0);
Assert.IsTrue(result.MinResponseTime > TimeSpan.Zero);
Assert.IsTrue(result.MaxResponseTime > TimeSpan.Zero);
Assert.IsTrue(result.AverageResponseTime > TimeSpan.Zero);
Assert.IsTrue(result.TestRuns.Any());
}
public void ShouldReportTotalErrors()
{
var result = NLoad.Test <FailedTest>()
.WithNumberOfThreads(1)
.WithDurationOf(TimeSpan.FromSeconds(1))
.Build()
.Run();
Assert.AreEqual(result.TotalErrors, result.TotalIterations);
}
private static void TestNumberOfIterations(int durationInSeconds, int numThreads)
{
var duration = TimeSpan.FromSeconds(durationInSeconds);
var result = NLoad.Test <OneSecondDelayTest>()
.WithNumberOfThreads(numThreads)
.WithDurationOf(duration)
.WithDeleyBetweenThreadStart(TimeSpan.Zero)
.Build()
.Run();
Assert.AreEqual(numThreads * durationInSeconds, result.TotalIterations);
}
public void ActualNumberOfThreads()
{
const int numberOfThreads = 10;
var loadTest = NLoad.Test <ThreadCounter>()
.WithNumberOfThreads(numberOfThreads)
.WithDurationOf(TimeSpan.Zero)
.WithDeleyBetweenThreadStart(TimeSpan.Zero)
.Build();
loadTest.Run();
Assert.AreEqual(numberOfThreads, ThreadCounter.Count);
}
public void HeartbeatCountEqualsDurationInSeconds()
{
for (var durationInSeconds = 1; durationInSeconds < 3; durationInSeconds++)
{
var duration = TimeSpan.FromSeconds(durationInSeconds);
var result = NLoad.Test <TestMock>()
.WithNumberOfThreads(1)
.WithDurationOf(duration)
.WithDeleyBetweenThreadStart(TimeSpan.Zero)
.Build()
.Run();
Assert.AreEqual(durationInSeconds, result.Heartbeat.Count - 1);
}
}
public void SubscribeToHeartbeatEvent()
{
var eventFired = false;
NLoad.Test <TestMock>()
.WithNumberOfThreads(1)
.WithDurationOf(TimeSpan.FromSeconds(1))
.OnHeartbeat((s, hearbeat) =>
{
eventFired = true;
})
.Build()
.Run();
Assert.IsTrue(eventFired);
}
private Task <LoadTestResult> RunLoadTest()
{
var progress = _progress as IProgress <Heartbeat>;
return(Task.Run(() =>
{
var loadTest = NLoad.Test(_viewModel.SelectedTestType)
.WithNumberOfThreads(_viewModel.Configuration.NumberOfThreads)
.WithDurationOf(_viewModel.Configuration.Duration)
.WithDeleyBetweenThreadStart(_viewModel.Configuration.DelayBetweenThreadStart)
.WithCancellationToken(_cancellationTokenSource.Token)
.OnHeartbeat((s, e) => progress.Report(e))
.Build();
return loadTest.Run();
}, _cancellationTokenSource.Token));
}
static void Main()
{
var loadTest = NLoad.Test <MyTest>()
.WithNumberOfThreads(10)
.WithDurationOf(TimeSpan.FromSeconds(10))
.OnHeartbeat((s, e) => Console.WriteLine("Threads: {0} Throughput: {1}", e.TotalThreads, e.Throughput))
.Build();
var result = loadTest.Run();
Console.WriteLine("\nTotal TotalIterations: {0}", result.TotalIterations);
Console.WriteLine("Total Runtime: {0}", result.TotalRuntime);
Console.WriteLine("Average Throughput: {0}", result.AverageThroughput);
Console.WriteLine("Average Response Time: {0}", result.AverageResponseTime);
Console.WriteLine("\nPress <Enter> to terminate.");
Console.ReadLine();
}
public void VerifyLoadTestConfiguration()
{
const int numberOfThreads = 1;
var duration = TimeSpan.FromSeconds(1);
var delayBetweenThreadStart = TimeSpan.FromMilliseconds(100);
var loadTest = NLoad.Test <TestMock>()
.WithNumberOfThreads(numberOfThreads)
.WithDurationOf(duration)
.WithDeleyBetweenThreadStart(delayBetweenThreadStart)
.Build();
var configuration = loadTest.Configuration;
Assert.IsNotNull(configuration);
Assert.AreEqual(numberOfThreads, configuration.NumberOfThreads);
Assert.AreEqual(duration, configuration.Duration);
Assert.AreEqual(delayBetweenThreadStart, configuration.DelayBetweenThreadStart);
}
private static async Task <LoadTestResult> RunLoadTestAsync(IProgress <Heartbeat> progress)
{
var task = await Task.Run(() =>
{
Debug.WriteLine("Start Run");
Debug.WriteLine("Task Id: {0}", Task.CurrentId);
Debug.WriteLine("Thread Id: {0}", Thread.CurrentThread.ManagedThreadId);
var result = NLoad.Test <TestMock>()
.WithNumberOfThreads(1)
.WithDurationOf(TimeSpan.FromSeconds(2))
.OnHeartbeat((s, e) => progress.Report(e))
.Build()
.Run();
Debug.WriteLine("End Run");
Debug.WriteLine("Task Id: {0}", Task.CurrentId);
Debug.WriteLine("Thread Id: {0}", Thread.CurrentThread.ManagedThreadId);
return(result);
});
return(task);
}
