/usr/lib/python2.7/dist-packages/tables/tests/test_garbage.py is in python-tables 3.1.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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########################################################################
#
# License: BSD
# Created: 2005-09-20
# Author: Ivan Vilata i Balaguer - ivan@selidor.net
#
# $Id$
#
########################################################################
"""Test module for detecting uncollectable garbage in PyTables.
This test module *must* be loaded in the last place. It just checks for
the existence of uncollectable garbage in ``gc.garbage`` after running
all the tests.
"""
from __future__ import print_function
import unittest
import gc
from tables.tests import common
class GarbageTestCase(common.PyTablesTestCase):
"""Test for uncollectable garbage."""
def test00(self):
"""Checking for uncollectable garbage."""
garbageLen = len(gc.garbage)
if garbageLen == 0:
return # success
if common.verbose:
classCount = {}
# Count uncollected objects for each class.
for obj in gc.garbage:
objClass = obj.__class__.__name__
if objClass in classCount:
classCount[objClass] += 1
else:
classCount[objClass] = 1
incidence = ['``%s``: %d' % (cls, cnt)
for (cls, cnt) in classCount.iteritems()]
print("Class incidence:", ', '.join(incidence))
self.fail("Possible leak: %d uncollected objects." % garbageLen)
def suite():
"""Return a test suite consisting of all the test cases in the module."""
theSuite = unittest.TestSuite()
theSuite.addTest(unittest.makeSuite(GarbageTestCase))
return theSuite
if __name__ == '__main__':
unittest.main(defaultTest='suite')
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