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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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cb4e57360e
Original commit message from CVS: * testsuite/common.py: add a common.TestCase class that has methods to track and verify garbage collection of GstObject * testsuite/test_pad.py: use it
141 lines
3.9 KiB
Python
141 lines
3.9 KiB
Python
# -*- Mode: Python -*-
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# vi:si:et:sw=4:sts=4:ts=4
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#
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# gst-python - Python bindings for GStreamer
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# Copyright (C) 2002 David I. Lehn
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# Copyright (C) 2004 Johan Dahlin
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# Copyright (C) 2005 Edward Hervey
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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try:
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from dl import RTLD_LAZY, RTLD_GLOBAL
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except ImportError:
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# dl doesn't seem to be available on 64bit systems
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try:
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from DLFCN import RTLD_LAZY, RTLD_GLOBAL
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except ImportError:
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pass
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import os
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import sys
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import gc
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import unittest
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import pygtk
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pygtk.require('2.0')
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import gobject
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try:
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gobject.threads_init()
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except:
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print "WARNING: gobject doesn't have threads_init, no threadsafety"
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# Don't insert before .
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# sys.path.insert(1, os.path.join('..'))
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# Load GST and make sure we load it from the current build
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sys.setdlopenflags(RTLD_LAZY | RTLD_GLOBAL)
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# Hack
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sys.argv.append('--gst-debug-no-color')
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topbuilddir = os.path.abspath(os.path.join('..'))
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topsrcdir = os.path.abspath(os.path.join('..'))
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if topsrcdir.endswith('_build'):
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topsrcdir = os.path.dirname(topsrcdir)
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# gst's __init__.py is in topsrcdir/gst
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path = os.path.abspath(os.path.join(topsrcdir, 'gst'))
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import gst
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file = gst.__file__
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assert file.startswith(path), 'bad gst path: %s' % file
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# gst's interfaces and play are in topbuilddir/gst
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path = os.path.abspath(os.path.join(topbuilddir, 'gst'))
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try:
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import gst.interfaces
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except ImportError:
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# hack: we import it from our builddir/gst/.libs instead; ugly
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import interfaces
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gst.interfaces = interfaces
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file = gst.interfaces.__file__
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assert file.startswith(path), 'bad gst.interfaces path: %s' % file
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# testhelper needs ltihooks
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import ltihooks
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import testhelper
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ltihooks.uninstall()
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_stderr = None
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def disable_stderr():
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global _stderr
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_stderr = file('/tmp/stderr', 'w+')
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sys.stderr = os.fdopen(os.dup(2), 'w')
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os.close(2)
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os.dup(_stderr.fileno())
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def enable_stderr():
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global _stderr
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os.close(2)
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os.dup(sys.stderr.fileno())
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_stderr.seek(0, 0)
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data = _stderr.read()
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_stderr.close()
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os.remove('/tmp/stderr')
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return data
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def run_silent(function, *args, **kwargs):
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disable_stderr()
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try:
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function(*args, **kwargs)
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except Exception, exc:
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enable_stderr()
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raise exc
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output = enable_stderr()
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return output
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class TestCase(unittest.TestCase):
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def gccollect(self):
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# run the garbage collector
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gst.debug('garbage collecting')
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gc.collect()
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gst.debug('done garbage collecting')
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def gctrack(self):
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# store all gst objects in the gc in a tracking dict
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# call before doing any allocation in your test, from setUp
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gst.debug('tracking gc GstObjects')
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self.gccollect()
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self._tracked = {}
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for c in [gst.Element, gst.Pad]:
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self._tracked[c] = [o for o in gc.get_objects() if isinstance(o, c)]
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def gcverify(self):
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# verify no new gst objects got added to the gc
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# call after doing all cleanup in your test, from tearDown
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gst.debug('verifying gc GstObjects')
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new = []
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for c in [gst.Element, gst.Pad]:
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objs = [o for o in gc.get_objects() if isinstance(o, c)]
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new.extend([o for o in objs if o not in self._tracked[c]])
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self.failIf(new, new)
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del self._tracked
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