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# -*- mode: python; coding: utf-8 -*-
#
# Pigment Python tools unit tests
#
# Copyright © 2006, 2007, 2008 Fluendo Embedded S.L.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import unittest
import gst
import gc
class PgmTestCase(unittest.TestCase):
_types = [gst.Object, gst.MiniObject]
def gccollect(self):
# run the garbage collector
ret = 0
gst.debug('garbage collecting')
while True:
c = gc.collect()
ret += c
if c == 0: break
gst.debug('done garbage collecting, %d objects' % ret)
return ret
def gctrack(self):
# store all gst objects in the gc in a tracking dict
# call before doing any allocation in your test, from setUp
gst.debug('tracking gc GstObjects for types %r' % self._types)
self.gccollect()
self._tracked = {}
for c in self._types:
self._tracked[c] = [o for o in gc.get_objects() if isinstance(o, c)]
def gcverify(self):
# verify no new gst objects got added to the gc
# call after doing all cleanup in your test, from tearDown
gst.debug('verifying gc GstObjects for types %r' % self._types)
new = []
for c in self._types:
objs = [o for o in gc.get_objects() if isinstance(o, c)]
new.extend([o for o in objs if o not in self._tracked[c]])
self.failIf(new, "unref-ed objects: %s" % str(new))
#self.failIf(new, ["%r:%d" % (type(o), id(o)) for o in new])
del self._tracked
def setUp(self):
"""
Override me by chaining up to me at the start of your setUp.
"""
self.gctrack()
def tearDown(self):
"""
Override me by chaining up to me at the end of your tearDown.
"""
self.gccollect()
self.gcverify()
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