[ 
https://issues.apache.org/jira/browse/BEAM-11476?focusedWorklogId=551969&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-551969
 ]

ASF GitHub Bot logged work on BEAM-11476:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Feb/21 20:02
            Start Date: 12/Feb/21 20:02
    Worklog Time Spent: 10m 
      Work Description: KevinGG commented on pull request #13984:
URL: https://github.com/apache/beam/pull/13984#issuecomment-778422690


   The code that introduces a cleanup probably comes from:
   
![33GFESeeJiX8hkZ](https://user-images.githubusercontent.com/4423149/107815922-e69b7800-6d28-11eb-915c-5435b5535f38.png)
   
   The test creates a bunch of pipeline objects with references to them in the 
interactive environment. The test tries to find out whether a 
`cleanup(pipeline)` is invoked when explicitly tracking all user pipelines if 
some of the pipelines held in the environment is no longer in scope. Of all the 
pipeline objects created, only one would be cleaned up (because we 
intentionally put a string typed "pipeline" in the interactive environment so 
it would just "disappear" when tracking pipeline-typed objects), so cleanup 
should just be invoked once during the call.
   
   R: @TheNeuralBit 
   
   PTAL, thx!


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 551969)
    Time Spent: 4h 10m  (was: 4h)

> flaky test: test_track_user_pipeline_cleanup_non_inspectable_pipeline
> ---------------------------------------------------------------------
>
>                 Key: BEAM-11476
>                 URL: https://issues.apache.org/jira/browse/BEAM-11476
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py-core
>            Reporter: Udi Meiri
>            Assignee: Ning Kang
>            Priority: P1
>              Labels: currently-failing, flake
>          Time Spent: 4h 10m
>  Remaining Estimate: 0h
>
> Test name: 
> apache_beam.runners.interactive.interactive_environment_test.InteractiveEnvironmentTest.test_track_user_pipeline_cleanup_non_inspectable_pipeline
> {code}
> Error Message
> AssertionError: Expected 'cleanup' to not have been called. Called 1 times.
> Stacktrace
> self = 
> <apache_beam.runners.interactive.interactive_environment_test.InteractiveEnvironmentTest
>  testMethod=test_track_user_pipeline_cleanup_non_inspectable_pipeline>
> mocked_cleanup = <MagicMock name='cleanup' id='140386685111432'>
>     @patch(
>         'apache_beam.runners.interactive.interactive_environment'
>         '.InteractiveEnvironment.cleanup')
>     def test_track_user_pipeline_cleanup_non_inspectable_pipeline(
>         self, mocked_cleanup):
>       ie._interactive_beam_env = None
>       ie.new_env()
>       dummy_pipeline_1 = beam.Pipeline()
>       dummy_pipeline_2 = beam.Pipeline()
>       dummy_pipeline_3 = beam.Pipeline()
>       dummy_pipeline_4 = beam.Pipeline()
>       dummy_pcoll = dummy_pipeline_4 | beam.Create([1])
>       dummy_pipeline_5 = beam.Pipeline()
>       dummy_non_inspectable_pipeline = 'dummy'
>       ie.current_env().watch(locals())
>       from apache_beam.runners.interactive.background_caching_job import 
> BackgroundCachingJob
>       ie.current_env().set_background_caching_job(
>           dummy_pipeline_1,
>           BackgroundCachingJob(
>               runner.PipelineResult(runner.PipelineState.DONE), limiters=[]))
>       ie.current_env().set_test_stream_service_controller(dummy_pipeline_2, 
> None)
>       ie.current_env().set_cache_manager(
>           cache.FileBasedCacheManager(), dummy_pipeline_3)
>       ie.current_env().mark_pcollection_computed([dummy_pcoll])
>       ie.current_env().set_cached_source_signature(
>           dummy_non_inspectable_pipeline, None)
>       ie.current_env().set_pipeline_result(
>           dummy_pipeline_5, 
> runner.PipelineResult(runner.PipelineState.RUNNING))
> >     mocked_cleanup.assert_not_called()
> apache_beam/runners/interactive/interactive_environment_test.py:265: 
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
> _ 
> _mock_self = <MagicMock name='cleanup' id='140386685111432'>
>     def assert_not_called(_mock_self):
>         """assert that the mock was never called.
>         """
>         self = _mock_self
>         if self.call_count != 0:
>             msg = ("Expected '%s' to not have been called. Called %s times." %
>                    (self._mock_name or 'mock', self.call_count))
> >           raise AssertionError(msg)
> E           AssertionError: Expected 'cleanup' to not have been called. 
> Called 1 times.
> /usr/lib/python3.7/unittest/mock.py:792: AssertionError
> {code}
> https://ci-beam.apache.org/job/beam_PreCommit_Python_Cron/3609/
> https://ci-beam.apache.org/job/beam_PreCommit_Python_Cron/3607/
> https://ci-beam.apache.org/job/beam_PreCommit_Python_Cron/3593/



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