| public GetRollingMaxValue ( HystrixRollingNumberEvent type ) : long | ||
| type | HystrixRollingNumberEvent | HystrixRollingNumberEvent defining which "MaxUpdater" to retrieve values from |
| return | long | |
public void RollingNumber_MaxValue()
{
MockedTime time = new MockedTime();
try
{
HystrixRollingNumberEvent type = HystrixRollingNumberEvent.ThreadMaxActive;
HystrixRollingNumber counter = new HystrixRollingNumber(time, 200, 10);
counter.UpdateRollingMax(type, 10);
// sleep to get to a new bucket
time.Increment(counter.BucketSizeInMilliseconds);
counter.UpdateRollingMax(type, 30);
// sleep to get to a new bucket
time.Increment(counter.BucketSizeInMilliseconds);
counter.UpdateRollingMax(type, 40);
// sleep to get to a new bucket
time.Increment(counter.BucketSizeInMilliseconds);
counter.UpdateRollingMax(type, 15);
Assert.AreEqual(40, counter.GetRollingMaxValue(type));
}
catch (Exception e)
{
TestContext.WriteLine(e.ToString());
Assert.Fail("Exception: " + e.Message);
}
}
public void RollingNumber_EmptyMax()
{
MockedTime time = new MockedTime();
HystrixRollingNumberEvent type = HystrixRollingNumberEvent.ThreadMaxActive;
HystrixRollingNumber counter = new HystrixRollingNumber(time, 200, 10);
Assert.AreEqual(0, counter.GetRollingMaxValue(type));
}
public void RollingNumber_UpdateMax2()
{
MockedTime time = new MockedTime();
try
{
HystrixRollingNumber counter = new HystrixRollingNumber(time, 200, 10);
// increment
counter.UpdateRollingMax(HystrixRollingNumberEvent.ThreadMaxActive, 10);
counter.UpdateRollingMax(HystrixRollingNumberEvent.ThreadMaxActive, 30);
counter.UpdateRollingMax(HystrixRollingNumberEvent.ThreadMaxActive, 20);
// we should have 1 bucket
Assert.AreEqual(1, counter.Buckets.Size);
// the count should be 30
Assert.AreEqual(30, counter.Buckets.GetLast().GetMaxUpdater(HystrixRollingNumberEvent.ThreadMaxActive).Max());
Assert.AreEqual(30, counter.GetRollingMaxValue(HystrixRollingNumberEvent.ThreadMaxActive));
// sleep to get to a new bucket
time.Increment(counter.BucketSizeInMilliseconds * 3);
counter.UpdateRollingMax(HystrixRollingNumberEvent.ThreadMaxActive, 30);
counter.UpdateRollingMax(HystrixRollingNumberEvent.ThreadMaxActive, 30);
counter.UpdateRollingMax(HystrixRollingNumberEvent.ThreadMaxActive, 50);
// we should have 4 buckets
Assert.AreEqual(4, counter.Buckets.Size);
// the count
Assert.AreEqual(50, counter.Buckets.GetLast().GetMaxUpdater(HystrixRollingNumberEvent.ThreadMaxActive).Max());
Assert.AreEqual(50, counter.GetValueOfLatestBucket(HystrixRollingNumberEvent.ThreadMaxActive));
// values per bucket
long[] values = counter.GetValues(HystrixRollingNumberEvent.ThreadMaxActive);
Assert.AreEqual(30, values[0]); // oldest bucket
Assert.AreEqual(0, values[1]);
Assert.AreEqual(0, values[2]);
Assert.AreEqual(50, values[3]); // latest bucket
}
catch (Exception e)
{
TestContext.WriteLine(e.ToString());
Assert.Fail("Exception: " + e.Message);
}
}
