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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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138 lines
4.2 KiB
Python
138 lines
4.2 KiB
Python
# -*- Mode: Python; py-indent-offset: 4 -*-
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# vim: tabstop=4 shiftwidth=4 expandtab
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#
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# Copyright (C) 2015 Thibault Saunier <thibault.saunier@collabora.com>
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#
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# This program 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 program 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 program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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"""
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A collection of objects to use for testing
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Copyied from pitivi
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"""
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import os
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import gc
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import unittest
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import gi.overrides
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from gi.repository import Gst
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detect_leaks = os.environ.get("TEST_DETECT_LEAKS", "1") not in ("0", "")
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class TestCase(unittest.TestCase):
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_tracked_types = (Gst.MiniObject, Gst.Element, Gst.Pad, Gst.Caps)
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def gctrack(self):
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self.gccollect()
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self._tracked = []
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for obj in gc.get_objects():
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if not isinstance(obj, self._tracked_types):
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continue
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self._tracked.append(obj)
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def gccollect(self):
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ret = 0
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while True:
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c = gc.collect()
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ret += c
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if c == 0:
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break
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return ret
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def gcverify(self):
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leaked = []
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for obj in gc.get_objects():
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if not isinstance(obj, self._tracked_types) or \
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obj in self._tracked:
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continue
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leaked.append(obj)
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# we collect again here to get rid of temporary objects created in the
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# above loop
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self.gccollect()
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for elt in leaked:
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print(elt)
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for i in gc.get_referrers(elt):
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print(" ", i)
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self.assertFalse(leaked, leaked)
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del self._tracked
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def setUp(self):
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self._num_failures = len(getattr(self._result, 'failures', []))
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self._num_errors = len(getattr(self._result, 'errors', []))
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if detect_leaks:
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self.gctrack()
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def tearDown(self):
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# don't barf gc info all over the console if we have already failed a
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# test case
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if (self._num_failures < len(getattr(self._result, 'failures', []))
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or self._num_errors < len(getattr(self._result, 'failures', []))):
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return
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if detect_leaks:
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self.gccollect()
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self.gcverify()
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# override run() to save a reference to the test result object
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def run(self, result=None):
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if not result:
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result = self.defaultTestResult()
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self._result = result
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unittest.TestCase.run(self, result)
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class SignalMonitor(object):
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def __init__(self, obj, *signals):
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self.signals = signals
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self.connectToObj(obj)
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def connectToObj(self, obj):
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self.obj = obj
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for signal in self.signals:
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obj.connect(signal, self._signalCb, signal)
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setattr(self, self._getSignalCounterName(signal), 0)
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setattr(self, self._getSignalCollectName(signal), [])
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def disconnectFromObj(self, obj):
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obj.disconnect_by_func(self._signalCb)
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del self.obj
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def _getSignalCounterName(self, signal):
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field = '%s_count' % signal.replace('-', '_')
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return field
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def _getSignalCollectName(self, signal):
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field = '%s_collect' % signal.replace('-', '_')
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return field
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def _signalCb(self, obj, *args):
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name = args[-1]
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field = self._getSignalCounterName(name)
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setattr(self, field, getattr(self, field, 0) + 1)
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field = self._getSignalCollectName(name)
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setattr(self, field, getattr(self, field, []) + [args[:-1]])
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