[jira] [Created] (AURORA-1570) TaskObserverTest::test_run_loop is flaky

[John Sirois (JIRA)]

John Sirois created AURORA-1570:
-----------------------------------

             Summary: TaskObserverTest::test_run_loop is flaky
                 Key: AURORA-1570
                 URL: https://issues.apache.org/jira/browse/AURORA-1570
             Project: Aurora
          Issue Type: Bug
          Components: Observer, Testing
            Reporter: John Sirois


As seen in https://reviews.apache.org/r/41897/
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Master (8706a78) is red with this patch.
  ./build-support/jenkins/build.sh

                     
src/test/python/apache/thermos/observer/test_detector.py::test_observer_task_detector_standard_transitions
 PASSED
                     
src/test/python/apache/thermos/observer/test_detector.py::test_observer_task_detector_nonstandard_transitions
 PASSED
                     
src/test/python/apache/thermos/observer/test_task_observer.py::TaskObserverTest::test_run_loop
 FAILED
                     
                     ==================== FAILURES ====================
                     _________ TaskObserverTest.test_run_loop _________
                     
                     self = <test_task_observer.TaskObserverTest 
testMethod=test_run_loop>
                     
                         def test_run_loop(self):
                           """Test observer run loop."""
                           mock_task_detector = 
create_autospec(spec=ObserverTaskDetector)
                           with patch(
                               
"apache.thermos.observer.task_observer.ObserverTaskDetector",
                               return_value=mock_task_detector) as 
mock_detector:
                             with patch('threading._Event.wait') as 
mock_wait:
                         
                               run_count = 3
                               interval = 15
                               observer = TaskObserver(mock_detector, 
interval=Amount(interval, Time.SECONDS))
                               observer.start()
                               while len(mock_wait.mock_calls) < 
run_count:
                                 pass
                         
                               observer.stop()
                         
                     >         assert len(mock_task_detector.mock_calls) >= 
run_count
                     E         AssertionError: assert 1 >= 3
                     E          +  where 1 = len([call.refresh()])
                     E          +    where [call.refresh()] = 
<MagicMock spec='ObserverTaskDetector' id='140389955602192'>.mock_calls
                     
                     
src/test/python/apache/thermos/observer/test_task_observer.py:42: AssertionError
                      generated xml file: 
/home/jenkins/jenkins-slave/workspace/AuroraBot/dist/test-results/src.test.python.apache.thermos.observer.observer.xml
 
                     ======= 1 failed, 3 passed in 0.25 seconds 
=======
                     
FAILURE


23:20:37 04:05   [complete]
               FAILURE
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