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OpenStack Study: test_post_mortem_debug.py**** CubicPower OpenStack Study ****
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2013 Red Hat, Inc. # All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import sys import mock from six.moves import xrange from neutron.tests import base from neutron.tests import post_mortem_debug
**** CubicPower OpenStack Study **** class TestTesttoolsExceptionHandler(base.BaseTestCase):
**** CubicPower OpenStack Study **** def test_exception_handler(self): try: self.assertTrue(False) except Exception: exc_info = sys.exc_info() with mock.patch('traceback.print_exception') as mock_print_exception: with mock.patch('pdb.post_mortem') as mock_post_mortem: with mock.patch.object(post_mortem_debug, 'get_ignored_traceback', return_value=mock.Mock()): post_mortem_debug.exception_handler(exc_info) # traceback will become post_mortem_debug.FilteredTraceback filtered_exc_info = (exc_info[0], exc_info[1], mock.ANY) mock_print_exception.assert_called_once_with(*filtered_exc_info) mock_post_mortem.assert_called_once_with(mock.ANY)
**** CubicPower OpenStack Study **** class TestFilteredTraceback(base.BaseTestCase):
**** CubicPower OpenStack Study **** def test_filter_traceback(self): tb1 = mock.Mock() tb2 = mock.Mock() tb1.tb_next = tb2 tb2.tb_next = None ftb1 = post_mortem_debug.FilteredTraceback(tb1, tb2) for attr in ['lasti', 'lineno', 'frame']: attr_name = 'tb_%s' % attr self.assertEqual(getattr(tb1, attr_name, None), getattr(ftb1, attr_name, None)) self.assertIsNone(ftb1.tb_next)
**** CubicPower OpenStack Study **** class TestGetIgnoredTraceback(base.BaseTestCase):
**** CubicPower OpenStack Study **** def _test_get_ignored_traceback(self, ignored_bit_array, expected): root_tb = mock.Mock() tb = root_tb tracebacks = [tb] for x in xrange(len(ignored_bit_array) - 1): tb.tb_next = mock.Mock() tb = tb.tb_next tracebacks.append(tb) tb.tb_next = None tb = root_tb for ignored in ignored_bit_array: if ignored: tb.tb_frame.f_globals = ['__unittest'] else: tb.tb_frame.f_globals = [] tb = tb.tb_next actual = post_mortem_debug.get_ignored_traceback(root_tb) if expected is not None: expected = tracebacks[expected] self.assertEqual(actual, expected)
**** CubicPower OpenStack Study **** def test_no_ignored_tracebacks(self): self._test_get_ignored_traceback([0, 0, 0], None)
**** CubicPower OpenStack Study **** def test_single_member_trailing_chain(self): self._test_get_ignored_traceback([0, 0, 1], 2)
**** CubicPower OpenStack Study **** def test_two_member_trailing_chain(self): self._test_get_ignored_traceback([0, 1, 1], 1)
**** CubicPower OpenStack Study **** def test_first_traceback_ignored(self): self._test_get_ignored_traceback([1, 0, 0], None)
**** CubicPower OpenStack Study **** def test_middle_traceback_ignored(self): self._test_get_ignored_traceback([0, 1, 0], None)
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