public void TestSingleCommandSingleInterval()
{
HystrixTimer timer = HystrixTimer.GetInstance();
TestListener l1 = new TestListener(30);
timer.AddTimerListener(l1);
TestListener l2 = new TestListener(30);
timer.AddTimerListener(l2);
try
{
Time.Wait(500);
}
catch (Exception e)
{
output.WriteLine(e.ToString());
}
// we should have 7 or more 30ms ticks within 500ms
output.WriteLine("l1 ticks: " + l1.TickCount.Value);
output.WriteLine("l2 ticks: " + l2.TickCount.Value);
Assert.True(l1.TickCount.Value > 7, "l1 failed to execute 7 ticks in a window that could fit 16");
Assert.True(l2.TickCount.Value > 7, "l2 failed to execute 7 ticks in a window that could fit 16");
}
public void TestReset()
{
HystrixTimer timer = HystrixTimer.GetInstance();
TestListener l1 = new TestListener(50);
TimerReference tref = timer.AddTimerListener(l1);
Task ex = tref._timerTask;
Assert.False(ex.IsCanceled);
Time.WaitUntil(() => { return(ex.Status == TaskStatus.Running); }, 200);
// perform reset which should shut it down
HystrixTimer.Reset();
Time.Wait(50);
Assert.True(ex.IsCompleted);
Assert.Null(tref._timerTask);
// assert it starts up again on use
TestListener l2 = new TestListener(50);
TimerReference tref2 = timer.AddTimerListener(l2);
Task ex2 = tref2._timerTask;
Assert.False(ex2.IsCanceled);
// reset again to shutdown what we just started
HystrixTimer.Reset();
// try resetting again to make sure it's idempotent (ie. doesn't blow up on an NPE)
HystrixTimer.Reset();
}
public void TimerReference_CallsListenerOnTime()
{
Stopwatch stopWatch = new Stopwatch();
TestListener listener = new TestListener(stopWatch);
TimerReference timerReference = new TimerReference(listener, TimeSpan.FromMilliseconds(1000));
stopWatch.Start();
timerReference.Start();
Time.WaitUntil(() => { return(!stopWatch.IsRunning); }, 2000);
Assert.InRange(stopWatch.ElapsedMilliseconds, 950, 1000 + 200);
}
public void TestSingleCommandRemoveListener()
{
HystrixTimer timer = HystrixTimer.GetInstance();
TestListener l1 = new TestListener(50, "A");
timer.AddTimerListener(l1);
TestListener l2 = new TestListener(50, "B");
TimerReference l2ref = timer.AddTimerListener(l2);
try
{
Time.Wait(500);
}
catch (Exception e)
{
output.WriteLine(e.ToString());
}
// we should have 7 or more 50ms ticks within 500ms
output.WriteLine("l1 ticks: " + l1.TickCount.Value);
output.WriteLine("l2 ticks: " + l2.TickCount.Value);
Assert.True(l1.TickCount.Value > 7);
Assert.True(l2.TickCount.Value > 7);
// remove l2
l2ref.Dispose();
// reset counts
l1.TickCount.Value = 0;
l2.TickCount.Value = 0;
// wait for time to pass again
try
{
Time.Wait(500);
}
catch (Exception e)
{
output.WriteLine(e.ToString());
}
// we should have 7 or more 50ms ticks within 500ms
output.WriteLine("l1 ticks: " + l1.TickCount.Value);
output.WriteLine("l2 ticks: " + l2.TickCount.Value);
// l1 should continue ticking
Assert.True(l1.TickCount.Value > 7);
// we should have no ticks on l2 because we removed it
output.WriteLine("tickCount.Value: " + l2.TickCount.Value + " on l2: " + l2);
Assert.Equal(0, l2.TickCount.Value);
}
public void TestSingleCommandRemoveListener()
{
var timer = HystrixTimer.GetInstance();
var l1 = new TestListener(50);
timer.AddTimerListener(l1);
var l2 = new TestListener(50);
var l2ref = timer.AddTimerListener(l2);
try
{
Time.Wait(500);
}
catch (Exception e)
{
output.WriteLine(e.ToString());
}
// we should have more than 5 ticks @ 50ms within 500ms
output.WriteLine("l1 ticks: " + l1.TickCount.Value);
output.WriteLine("l2 ticks: " + l2.TickCount.Value);
Assert.True(l1.TickCount.Value > 5, "l1 failed to execute more than 5 ticks in a window that could fit 10");
Assert.True(l2.TickCount.Value > 5, "l2 failed to execute more than 5 ticks in a window that could fit 10");
// remove l2
l2ref.Dispose();
// reset counts
l1.TickCount.Value = 0;
l2.TickCount.Value = 0;
// wait for time to pass again
try
{
Time.Wait(500);
}
catch (Exception e)
{
output.WriteLine(e.ToString());
}
// we should have more than 5 ticks @ 50ms within 500ms
output.WriteLine("l1 ticks: " + l1.TickCount.Value);
output.WriteLine("l2 ticks: " + l2.TickCount.Value);
// l1 should continue ticking
Assert.True(l1.TickCount.Value > 5, "l1 failed to execute more than 5 ticks in a window that could fit 10");
// we should have no ticks on l2 because we removed it
output.WriteLine("tickCount.Value: " + l2.TickCount.Value + " on l2: " + l2);
Assert.Equal(0, l2.TickCount.Value);
}
public void TestSingleCommandMultipleIntervals()
{
HystrixTimer timer = HystrixTimer.GetInstance();
TestListener l1 = new TestListener(100, "A");
timer.AddTimerListener(l1);
TestListener l2 = new TestListener(10, "B");
timer.AddTimerListener(l2);
TestListener l3 = new TestListener(25, "C");
timer.AddTimerListener(l3);
try
{
Time.Wait(500);
}
catch (Exception e)
{
output.WriteLine(e.ToString());
}
// we should have 3 or more 100ms ticks within 500ms
output.WriteLine("l1 ticks: " + l1.TickCount.Value);
Assert.True(l1.TickCount.Value >= 3);
// but it can't be more than 6
Assert.True(l1.TickCount.Value < 6);
// we should have 30 or more 10ms ticks within 500ms
output.WriteLine("l2 ticks: " + l2.TickCount.Value);
Assert.True(l2.TickCount.Value > 30);
Assert.True(l2.TickCount.Value < 550);
// we should have 15-20 25ms ticks within 500ms
output.WriteLine("l3 ticks: " + l3.TickCount.Value);
Assert.True(l3.TickCount.Value > 14);
Assert.True(l3.TickCount.Value < 25);
}
public void TestSingleCommandMultipleIntervals()
{
var timer = HystrixTimer.GetInstance();
var l1 = new TestListener(100);
timer.AddTimerListener(l1);
var l2 = new TestListener(10);
timer.AddTimerListener(l2);
var l3 = new TestListener(25);
timer.AddTimerListener(l3);
try
{
Time.Wait(500);
}
catch (Exception e)
{
output.WriteLine(e.ToString());
}
// we should have more than 2 ticks @ 100ms within 500ms
output.WriteLine("l1 ticks: " + l1.TickCount.Value);
Assert.InRange(l1.TickCount.Value, 2, 8);
// we should have 25 - 55 10ms ticks within 500ms
output.WriteLine("l2 ticks: " + l2.TickCount.Value);
Assert.InRange(l2.TickCount.Value, 8, 60);
// we should have 15-20 25ms ticks within 500ms
output.WriteLine("l3 ticks: " + l3.TickCount.Value);
Assert.InRange(l3.TickCount.Value, 8, 25);
}
