test_watch_multiple_dirs fails consistently

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3/5
Geschätzter Aufwand
1-2 Tage
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42/100
Issue-Typ
Bug
Klarheit
Muss geklärt werden
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Veraltet
Tech-Stack
python
Bereich
testing

Rechercherichtung

Start with tests/test_watcher.py, especially test_watch_multiple_dirs at line 147, and run that test under the reported Python 2.7 and 3.7 environments. Trace why watcher.examine() does not return (first_path, None); done means the multiple-directory watcher test passes consistently on both versions.

Vom Indexierungsmodell aus dem Issue-Text verfasst.

Beschreibung

Hello,

While trying to package v2.6.1 for NixOS (see https://github.com/NixOS/nixpkgs/pull/61905) I noticed that the latest addition to your test suite test_watch_multiple_dirs kept failing for both Python 2.7 and Python 3.7 builds.

The nosetests trace with debug is:

nose.suite: DEBUG: precache is [Test(<tests.test_watcher.TestWatcher testMethod=test_watch_dir>), Test(<tests.test_watcher.TestWatcher testMethod=test_watch_file>), Test(<tests.test_watcher.TestWatcher testMethod=test_watch_glob>), Test(<tests.test_watcher.TestWatcher testMethod=test_watch_ignore>), Test(<tests.test_watcher.TestWatcher testMethod=test_watch_multiple_dirs>)]
test_watch_dir (tests.test_watcher.TestWatcher) ... ok
test_watch_file (tests.test_watcher.TestWatcher) ... ok
test_watch_glob (tests.test_watcher.TestWatcher) ... ok
test_watch_ignore (tests.test_watcher.TestWatcher) ... ok
test_watch_multiple_dirs (tests.test_watcher.TestWatcher) ... FAIL
nose.suite: DEBUG: context teardown
nose.suite: DEBUG: ancestor <class 'tests.test_watcher.TestWatcher'> may need teardown
nose.suite: DEBUG: <nose.suite.ContextSuite context=TestWatcher> setup ancestor <class 'tests.test_watcher.TestWatcher'>
nose.suite: DEBUG: <nose.suite.ContextSuite context=TestWatcher> teardown context <class 'tests.test_watcher.TestWatcher'>
nose: DEBUG: call fixture <class 'tests.test_watcher.TestWatcher'>.tearDownClass
nose.suite: DEBUG: ancestor <module 'tests.test_watcher' from '/build/source/tests/test_watcher.py'> may need teardown
nose.suite: DEBUG: <nose.suite.ContextSuite context=tests.test_watcher> setup ancestor <module 'tests.test_watcher' from '/build/source/tests/test_watcher.py'>
nose.suite: DEBUG: ancestor <module 'tests' from '/build/source/tests/__init__.py'> may need teardown
nose.suite: DEBUG: <nose.suite.ContextSuite context=tests> setup ancestor <module 'tests' from '/build/source/tests/__init__.py'>
nose.suite: DEBUG: ancestor <class 'tests.test_watcher.TestWatcher'> may need teardown
nose.suite: DEBUG: ancestor <class 'tests.test_watcher.TestWatcher'> already torn down
nose.suite: DEBUG: context teardown
nose.suite: DEBUG: ancestor <module 'tests.test_watcher' from '/build/source/tests/test_watcher.py'> may need teardown
nose.suite: DEBUG: <nose.suite.ContextSuite context=tests.test_watcher> setup ancestor <module 'tests.test_watcher' from '/build/source/tests/test_watcher.py'>
nose.suite: DEBUG: <nose.suite.ContextSuite context=tests.test_watcher> teardown context <module 'tests.test_watcher' from '/build/source/tests/test_watcher.py'>
nose.suite: DEBUG: ancestor <module 'tests' from '/build/source/tests/__init__.py'> may need teardown
nose.suite: DEBUG: <nose.suite.ContextSuite context=tests> setup ancestor <module 'tests' from '/build/source/tests/__init__.py'>
nose.suite: DEBUG: ancestor <module 'tests.test_watcher' from '/build/source/tests/test_watcher.py'> may need teardown
nose.suite: DEBUG: ancestor <module 'tests.test_watcher' from '/build/source/tests/test_watcher.py'> already torn down
nose.suite: DEBUG: context teardown
nose.suite: DEBUG: ancestor <module 'tests' from '/build/source/tests/__init__.py'> may need teardown
nose.suite: DEBUG: <nose.suite.ContextSuite context=tests> setup ancestor <module 'tests' from '/build/source/tests/__init__.py'>
nose.suite: DEBUG: <nose.suite.ContextSuite context=tests> teardown context <module 'tests' from '/build/source/tests/__init__.py'>
nose.suite: DEBUG: ancestor <module 'tests' from '/build/source/tests/__init__.py'> may need teardown
nose.suite: DEBUG: ancestor <module 'tests' from '/build/source/tests/__init__.py'> already torn down
nose.suite: DEBUG: context teardown
nose.suite: DEBUG: No reason to teardown (was_setup? False was_torndown? False)

======================================================================
FAIL: test_watch_multiple_dirs (tests.test_watcher.TestWatcher)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/build/source/tests/test_watcher.py", line 147, in test_watch_multiple_dirs
    assert watcher.examine() == (first_path, None)
AssertionError

----------------------------------------------------------------------
Ran 5 tests in 3.099s

FAILED (failures=1)

I can't really figure out why it fails.

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