9b03e71707
H302 violation is reported by flake8 when importing separated objects from
modules instead of importing the whole module.
e.g. from package.module import function
function()
is changed to
from package import module
module.function()
Change-Id: Ic6975f39c755ded54149a9c01fcdcfaf78c596fc
Partial-Bug: #1291032
102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import sys
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import mock
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from six import moves
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from neutron.tests import base
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from neutron.tests import post_mortem_debug
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class TestTesttoolsExceptionHandler(base.BaseTestCase):
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def test_exception_handler(self):
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try:
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self.assertTrue(False)
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except Exception:
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exc_info = sys.exc_info()
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with mock.patch('traceback.print_exception') as mock_print_exception:
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with mock.patch('pdb.post_mortem') as mock_post_mortem:
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with mock.patch.object(post_mortem_debug,
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'get_ignored_traceback',
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return_value=mock.Mock()):
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post_mortem_debug.exception_handler(exc_info)
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# traceback will become post_mortem_debug.FilteredTraceback
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filtered_exc_info = (exc_info[0], exc_info[1], mock.ANY)
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mock_print_exception.assert_called_once_with(*filtered_exc_info)
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mock_post_mortem.assert_called_once_with(mock.ANY)
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class TestFilteredTraceback(base.BaseTestCase):
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def test_filter_traceback(self):
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tb1 = mock.Mock()
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tb2 = mock.Mock()
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tb1.tb_next = tb2
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tb2.tb_next = None
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ftb1 = post_mortem_debug.FilteredTraceback(tb1, tb2)
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for attr in ['lasti', 'lineno', 'frame']:
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attr_name = 'tb_%s' % attr
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self.assertEqual(getattr(tb1, attr_name, None),
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getattr(ftb1, attr_name, None))
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self.assertIsNone(ftb1.tb_next)
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class TestGetIgnoredTraceback(base.BaseTestCase):
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def _test_get_ignored_traceback(self, ignored_bit_array, expected):
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root_tb = mock.Mock()
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tb = root_tb
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tracebacks = [tb]
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for x in moves.xrange(len(ignored_bit_array) - 1):
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tb.tb_next = mock.Mock()
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tb = tb.tb_next
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tracebacks.append(tb)
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tb.tb_next = None
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tb = root_tb
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for ignored in ignored_bit_array:
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if ignored:
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tb.tb_frame.f_globals = ['__unittest']
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else:
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tb.tb_frame.f_globals = []
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tb = tb.tb_next
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actual = post_mortem_debug.get_ignored_traceback(root_tb)
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if expected is not None:
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expected = tracebacks[expected]
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self.assertEqual(actual, expected)
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def test_no_ignored_tracebacks(self):
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self._test_get_ignored_traceback([0, 0, 0], None)
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def test_single_member_trailing_chain(self):
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self._test_get_ignored_traceback([0, 0, 1], 2)
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def test_two_member_trailing_chain(self):
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self._test_get_ignored_traceback([0, 1, 1], 1)
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def test_first_traceback_ignored(self):
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self._test_get_ignored_traceback([1, 0, 0], None)
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def test_middle_traceback_ignored(self):
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self._test_get_ignored_traceback([0, 1, 0], None)
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