On Sat, May 15, 2004 at 09:40:00AM -0000, [EMAIL PROTECTED] wrote:
> [junit] [ERROR] TEST org.apache.geronimo.connector.work.PooledWorkManagerTest FAILED
Interesting. Any idea why this test failed when there were no code changes? Is this a problem withe testing techique or the code?
I think that this issue is related to an incorrect testing technique:
For instance, the method testDoWork creates three Threads. Each Thread submits to the WorkManager a mock Work via WorkManager.doWork. As the maximum pool size of this WorkManager is one, these three Works are serialized.
Based on the time out provided to WorkManager.doWork (300ms) and the time that each Work waits (200ms), the first two Works should be WORK_COMPLETED when the three Threads have completed their WorkManager.doWork calls.
This assertion is true if the WorkManager is able to accept the second Work before its time out. In other words, it must accept the second Work before 100ms (= 300ms - 200ms).
In some situation the WorkManager will not be able to accept the second Work within this time frame. For instance, the thread scheduling could be affected by a "significant" load. In such a case, testDoWork fails.
I have slightly updated this unit test in order to alleviate the above problem (the WorkManager has now 500ms to accept a Work). Though, I am not sure how to fix this problem for good.
Thanks, Gianny
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