\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # Protocol Buffers - Google's data interchange format # Copyright 2008 Google Inc. All rights reserved. # https://developers.google.com/protocol-buffers/ # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """A subclass of unittest.TestCase which checks for reference leaks. To use: - Use testing_refleak.BaseTestCase instead of unittest.TestCase - Configure and compile Python with --with-pydebug If sys.gettotalrefcount() is not available (because Python was built without the Py_DEBUG option), then this module is a no-op and tests will run normally. """ import copyreg import gc import sys import unittest class LocalTestResult(unittest.TestResult): """A TestResult which forwards events to a parent object, except for Skips.""" def __init__(self, parent_result): unittest.TestResult.__init__(self) self.parent_result = parent_result def addError(self, test, error): self.parent_result.addError(test, error) def addFailure(self, test, error): self.parent_result.addFailure(test, error) def addSkip(self, test, reason): pass class ReferenceLeakCheckerMixin(object): """A mixin class for TestCase, which checks reference counts.""" NB_RUNS = 3 def run(self, result=None): testMethod = getattr(self, self._testMethodName) expecting_failure_method = getattr(testMethod, "__unittest_expecting_failure__", False) expecting_failure_class = getattr(self, "__unittest_expecting_failure__", False) if expecting_failure_class or expecting_failure_method: return # python_message.py registers all Message classes to some pickle global # registry, which makes the classes immortal. # We save a copy of this registry, and reset it before we could references. self._saved_pickle_registry = copyreg.dispatch_table.copy() # Run the test twice, to warm up the instance attributes. super(ReferenceLeakCheckerMixin, self).run(result=result) super(ReferenceLeakCheckerMixin, self).run(result=result) oldrefcount = 0 local_result = LocalTestResult(result) num_flakes = 0 refcount_deltas = [] while len(refcount_deltas) < self.NB_RUNS: oldrefcount = self._getRefcounts() super(ReferenceLeakCheckerMixin, self).run(result=local_result)