298c86f1e6
Replace six with Python 3 style code. Change-Id: I3d0c35e237484409d8410601ec482fac0dacf30d
537 lines
20 KiB
Python
537 lines
20 KiB
Python
# Copyright (c) 2015 OpenStack Foundation.
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# All Rights Reserved.
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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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from unittest import mock
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from oslotest import base as test_base
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from oslo_policy import _checks
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from oslo_policy import _parser
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from oslo_policy.tests import base
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class ParseCheckTestCase(test_base.BaseTestCase):
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def test_false(self):
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result = _parser._parse_check('!')
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self.assertIsInstance(result, _checks.FalseCheck)
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def test_true(self):
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result = _parser._parse_check('@')
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self.assertIsInstance(result, _checks.TrueCheck)
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@mock.patch.object(_parser, 'LOG')
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def test_bad_rule(self, mock_log):
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result = _parser._parse_check('foobar')
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self.assertIsInstance(result, _checks.FalseCheck)
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mock_log.exception.assert_called_once()
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@mock.patch.object(_checks, 'registered_checks', {})
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@mock.patch.object(_parser, 'LOG')
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def test_no_handler(self, mock_log):
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result = _parser._parse_check('no:handler')
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self.assertIsInstance(result, _checks.FalseCheck)
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mock_log.error.assert_called()
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@mock.patch.object(_checks, 'registered_checks', {
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'spam': mock.Mock(return_value='spam_check'),
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None: mock.Mock(return_value='none_check'),
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})
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def test_check(self):
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result = _parser._parse_check('spam:handler')
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self.assertEqual('spam_check', result)
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_checks.registered_checks['spam'].assert_called_once_with('spam',
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'handler')
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self.assertFalse(_checks.registered_checks[None].called)
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@mock.patch.object(_checks, 'registered_checks', {
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None: mock.Mock(return_value='none_check'),
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})
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def test_check_default(self):
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result = _parser._parse_check('spam:handler')
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self.assertEqual('none_check', result)
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_checks.registered_checks[None].assert_called_once_with('spam',
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'handler')
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class ParseListRuleTestCase(test_base.BaseTestCase):
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def test_empty(self):
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result = _parser._parse_list_rule([])
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self.assertIsInstance(result, _checks.TrueCheck)
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self.assertEqual('@', str(result))
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@mock.patch.object(_parser, '_parse_check', base.FakeCheck)
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def test_oneele_zeroele(self):
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result = _parser._parse_list_rule([[]])
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self.assertIsInstance(result, _checks.FalseCheck)
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self.assertEqual('!', str(result))
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@mock.patch.object(_parser, '_parse_check', base.FakeCheck)
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def test_oneele_bare(self):
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result = _parser._parse_list_rule(['rule'])
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self.assertIsInstance(result, base.FakeCheck)
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self.assertEqual('rule', result.result)
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self.assertEqual('rule', str(result))
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@mock.patch.object(_parser, '_parse_check', base.FakeCheck)
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def test_oneele_oneele(self):
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result = _parser._parse_list_rule([['rule']])
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self.assertIsInstance(result, base.FakeCheck)
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self.assertEqual('rule', result.result)
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self.assertEqual('rule', str(result))
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@mock.patch.object(_parser, '_parse_check', base.FakeCheck)
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def test_oneele_multi(self):
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result = _parser._parse_list_rule([['rule1', 'rule2']])
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self.assertIsInstance(result, _checks.AndCheck)
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self.assertEqual(2, len(result.rules))
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for i, value in enumerate(['rule1', 'rule2']):
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self.assertIsInstance(result.rules[i], base.FakeCheck)
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self.assertEqual(value, result.rules[i].result)
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self.assertEqual('(rule1 and rule2)', str(result))
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@mock.patch.object(_parser, '_parse_check', base.FakeCheck)
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def test_multi_oneele(self):
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result = _parser._parse_list_rule([['rule1'], ['rule2']])
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self.assertIsInstance(result, _checks.OrCheck)
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self.assertEqual(2, len(result.rules))
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for i, value in enumerate(['rule1', 'rule2']):
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self.assertIsInstance(result.rules[i], base.FakeCheck)
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self.assertEqual(value, result.rules[i].result)
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self.assertEqual('(rule1 or rule2)', str(result))
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@mock.patch.object(_parser, '_parse_check', base.FakeCheck)
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def test_multi_multi(self):
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result = _parser._parse_list_rule([['rule1', 'rule2'],
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['rule3', 'rule4']])
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self.assertIsInstance(result, _checks.OrCheck)
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self.assertEqual(2, len(result.rules))
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for i, values in enumerate([['rule1', 'rule2'], ['rule3', 'rule4']]):
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self.assertIsInstance(result.rules[i], _checks.AndCheck)
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self.assertEqual(2, len(result.rules[i].rules))
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for j, value in enumerate(values):
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self.assertIsInstance(result.rules[i].rules[j],
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base.FakeCheck)
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self.assertEqual(value, result.rules[i].rules[j].result)
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self.assertEqual('((rule1 and rule2) or (rule3 and rule4))',
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str(result))
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class ParseTokenizeTestCase(test_base.BaseTestCase):
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@mock.patch.object(_parser, '_parse_check', lambda x: x)
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def test_tokenize(self):
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exemplar = ("(( ( ((() And)) or ) (check:%(miss)s) not)) "
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"'a-string' \"another-string\"")
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expected = [
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('(', '('), ('(', '('), ('(', '('), ('(', '('), ('(', '('),
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('(', '('), (')', ')'), ('and', 'And'),
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(')', ')'), (')', ')'), ('or', 'or'), (')', ')'), ('(', '('),
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('check', 'check:%(miss)s'), (')', ')'), ('not', 'not'),
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(')', ')'), (')', ')'),
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('string', 'a-string'),
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('string', 'another-string'),
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]
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result = list(_parser._parse_tokenize(exemplar))
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self.assertEqual(expected, result)
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class ParseStateMetaTestCase(test_base.BaseTestCase):
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def test_reducer(self):
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@_parser.reducer('a', 'b', 'c')
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@_parser.reducer('d', 'e', 'f')
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def spam():
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pass
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self.assertTrue(hasattr(spam, 'reducers'))
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self.assertEqual([['d', 'e', 'f'], ['a', 'b', 'c']], spam.reducers)
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def test_parse_state_meta(self):
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class FakeState(metaclass=_parser.ParseStateMeta):
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@_parser.reducer('a', 'b', 'c')
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@_parser.reducer('d', 'e', 'f')
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def reduce1(self):
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pass
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@_parser.reducer('g', 'h', 'i')
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def reduce2(self):
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pass
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self.assertTrue(hasattr(FakeState, 'reducers'))
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for reduction, reducer in FakeState.reducers:
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if (reduction == ['a', 'b', 'c'] or
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reduction == ['d', 'e', 'f']):
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self.assertEqual('reduce1', reducer)
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elif reduction == ['g', 'h', 'i']:
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self.assertEqual('reduce2', reducer)
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else:
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self.fail('Unrecognized reducer discovered')
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class ParseStateTestCase(test_base.BaseTestCase):
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def test_init(self):
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state = _parser.ParseState()
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self.assertEqual([], state.tokens)
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self.assertEqual([], state.values)
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@mock.patch.object(_parser.ParseState, 'reducers', [(['tok1'], 'meth')])
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@mock.patch.object(_parser.ParseState, 'meth', create=True)
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def test_reduce_none(self, mock_meth):
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state = _parser.ParseState()
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state.tokens = ['tok2']
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state.values = ['val2']
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state.reduce()
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self.assertEqual(['tok2'], state.tokens)
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self.assertEqual(['val2'], state.values)
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self.assertFalse(mock_meth.called)
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@mock.patch.object(_parser.ParseState, 'reducers',
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[(['tok1', 'tok2'], 'meth')])
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@mock.patch.object(_parser.ParseState, 'meth', create=True)
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def test_reduce_short(self, mock_meth):
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state = _parser.ParseState()
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state.tokens = ['tok1']
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state.values = ['val1']
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state.reduce()
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self.assertEqual(['tok1'], state.tokens)
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self.assertEqual(['val1'], state.values)
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self.assertFalse(mock_meth.called)
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@mock.patch.object(_parser.ParseState, 'reducers',
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[(['tok1', 'tok2'], 'meth')])
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@mock.patch.object(_parser.ParseState, 'meth', create=True,
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return_value=[('tok3', 'val3')])
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def test_reduce_one(self, mock_meth):
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state = _parser.ParseState()
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state.tokens = ['tok1', 'tok2']
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state.values = ['val1', 'val2']
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state.reduce()
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self.assertEqual(['tok3'], state.tokens)
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self.assertEqual(['val3'], state.values)
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mock_meth.assert_called_once_with('val1', 'val2')
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@mock.patch.object(_parser.ParseState, 'reducers', [
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(['tok1', 'tok4'], 'meth2'),
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(['tok2', 'tok3'], 'meth1'),
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])
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@mock.patch.object(_parser.ParseState, 'meth1', create=True,
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return_value=[('tok4', 'val4')])
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@mock.patch.object(_parser.ParseState, 'meth2', create=True,
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return_value=[('tok5', 'val5')])
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def test_reduce_two(self, mock_meth2, mock_meth1):
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state = _parser.ParseState()
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state.tokens = ['tok1', 'tok2', 'tok3']
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state.values = ['val1', 'val2', 'val3']
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state.reduce()
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self.assertEqual(['tok5'], state.tokens)
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self.assertEqual(['val5'], state.values)
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mock_meth1.assert_called_once_with('val2', 'val3')
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mock_meth2.assert_called_once_with('val1', 'val4')
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@mock.patch.object(_parser.ParseState, 'reducers',
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[(['tok1', 'tok2'], 'meth')])
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@mock.patch.object(_parser.ParseState, 'meth', create=True,
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return_value=[('tok3', 'val3'), ('tok4', 'val4')])
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def test_reduce_multi(self, mock_meth):
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state = _parser.ParseState()
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state.tokens = ['tok1', 'tok2']
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state.values = ['val1', 'val2']
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state.reduce()
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self.assertEqual(['tok3', 'tok4'], state.tokens)
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self.assertEqual(['val3', 'val4'], state.values)
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mock_meth.assert_called_once_with('val1', 'val2')
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def test_shift(self):
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state = _parser.ParseState()
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with mock.patch.object(_parser.ParseState, 'reduce') as mock_reduce:
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state.shift('token', 'value')
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self.assertEqual(['token'], state.tokens)
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self.assertEqual(['value'], state.values)
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mock_reduce.assert_called_once_with()
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def test_result_empty(self):
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state = _parser.ParseState()
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self.assertRaises(ValueError, lambda: state.result)
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def test_result_unreduced(self):
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state = _parser.ParseState()
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state.tokens = ['tok1', 'tok2']
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state.values = ['val1', 'val2']
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self.assertRaises(ValueError, lambda: state.result)
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def test_result(self):
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state = _parser.ParseState()
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state.tokens = ['token']
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state.values = ['value']
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self.assertEqual('value', state.result)
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def test_wrap_check(self):
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state = _parser.ParseState()
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result = state._wrap_check('(', 'the_check', ')')
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self.assertEqual([('check', 'the_check')], result)
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@mock.patch.object(_checks, 'AndCheck', lambda x: x)
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def test_make_and_expr(self):
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state = _parser.ParseState()
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result = state._make_and_expr('check1', 'and', 'check2')
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self.assertEqual([('and_expr', ['check1', 'check2'])], result)
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def test_extend_and_expr(self):
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state = _parser.ParseState()
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mock_expr = mock.Mock()
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mock_expr.add_check.return_value = 'newcheck'
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result = state._extend_and_expr(mock_expr, 'and', 'check')
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self.assertEqual([('and_expr', 'newcheck')], result)
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mock_expr.add_check.assert_called_once_with('check')
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@mock.patch.object(_checks, 'OrCheck', lambda x: x)
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def test_make_or_expr(self):
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state = _parser.ParseState()
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result = state._make_or_expr('check1', 'or', 'check2')
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self.assertEqual([('or_expr', ['check1', 'check2'])], result)
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def test_extend_or_expr(self):
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state = _parser.ParseState()
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mock_expr = mock.Mock()
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mock_expr.add_check.return_value = 'newcheck'
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result = state._extend_or_expr(mock_expr, 'or', 'check')
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self.assertEqual([('or_expr', 'newcheck')], result)
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mock_expr.add_check.assert_called_once_with('check')
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@mock.patch.object(_checks, 'NotCheck', lambda x: 'not %s' % x)
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def test_make_not_expr(self):
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state = _parser.ParseState()
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result = state._make_not_expr('not', 'check')
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self.assertEqual([('check', 'not check')], result)
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class ParseTextRuleTestCase(test_base.BaseTestCase):
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def test_empty(self):
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result = _parser._parse_text_rule('')
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self.assertIsInstance(result, _checks.TrueCheck)
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@mock.patch.object(_parser, '_parse_tokenize',
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return_value=[('tok1', 'val1'), ('tok2', 'val2')])
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@mock.patch.object(_parser.ParseState, 'shift')
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@mock.patch.object(_parser.ParseState, 'result', 'result')
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def test_shifts(self, mock_shift, mock_parse_tokenize):
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result = _parser._parse_text_rule('test rule')
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self.assertEqual('result', result)
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mock_parse_tokenize.assert_called_once_with('test rule')
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mock_shift.assert_has_calls(
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[mock.call('tok1', 'val1'), mock.call('tok2', 'val2')])
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@mock.patch.object(_parser, 'LOG', new=mock.Mock())
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@mock.patch.object(_parser, '_parse_tokenize', return_value=[])
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def test_fail(self, mock_parse_tokenize):
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result = _parser._parse_text_rule('test rule')
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self.assertIsInstance(result, _checks.FalseCheck)
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mock_parse_tokenize.assert_called_once_with('test rule')
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def test_A_or_B_or_C(self):
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result = _parser._parse_text_rule('@ or ! or @')
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self.assertEqual('(@ or ! or @)', str(result))
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def test_A_or_B_and_C(self):
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result = _parser._parse_text_rule('@ or ! and @')
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self.assertEqual('(@ or (! and @))', str(result))
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def test_A_and_B_or_C(self):
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result = _parser._parse_text_rule('@ and ! or @')
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self.assertEqual('((@ and !) or @)', str(result))
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def test_A_and_B_and_C(self):
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result = _parser._parse_text_rule('@ and ! and @')
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self.assertEqual('(@ and ! and @)', str(result))
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def test_A_or_B_or_C_or_D(self):
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result = _parser._parse_text_rule('@ or ! or @ or !')
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self.assertEqual('(@ or ! or @ or !)', str(result))
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def test_A_or_B_or_C_and_D(self):
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result = _parser._parse_text_rule('@ or ! or @ and !')
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self.assertEqual('(@ or ! or (@ and !))', str(result))
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def test_A_or_B_and_C_or_D(self):
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result = _parser._parse_text_rule('@ or ! and @ or !')
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self.assertEqual('(@ or (! and @) or !)', str(result))
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def test_A_or_B_and_C_and_D(self):
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result = _parser._parse_text_rule('@ or ! and @ and !')
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self.assertEqual('(@ or (! and @ and !))', str(result))
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def test_A_and_B_or_C_or_D(self):
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result = _parser._parse_text_rule('@ and ! or @ or !')
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self.assertEqual('((@ and !) or @ or !)', str(result))
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def test_A_and_B_or_C_and_D(self):
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result = _parser._parse_text_rule('@ and ! or @ and !')
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self.assertEqual('((@ and !) or (@ and !))', str(result))
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def test_A_and_B_and_C_or_D(self):
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result = _parser._parse_text_rule('@ and ! and @ or !')
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self.assertEqual('((@ and ! and @) or !)', str(result))
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def test_A_and_B_and_C_and_D(self):
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result = _parser._parse_text_rule('@ and ! and @ and !')
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self.assertEqual('(@ and ! and @ and !)', str(result))
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def test_A_and_B_or_C_with_not_1(self):
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result = _parser._parse_text_rule('not @ and ! or @')
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self.assertEqual('((not @ and !) or @)', str(result))
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def test_A_and_B_or_C_with_not_2(self):
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result = _parser._parse_text_rule('@ and not ! or @')
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self.assertEqual('((@ and not !) or @)', str(result))
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def test_A_and_B_or_C_with_not_3(self):
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result = _parser._parse_text_rule('@ and ! or not @')
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self.assertEqual('((@ and !) or not @)', str(result))
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def test_A_and_B_or_C_with_group_1(self):
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for expression in ['( @ ) and ! or @',
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'@ and ( ! ) or @',
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'@ and ! or ( @ )',
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'( @ ) and ! or ( @ )',
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'@ and ( ! ) or ( @ )',
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'( @ ) and ( ! ) or ( @ )',
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'( @ and ! ) or @',
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'( ( @ ) and ! ) or @',
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'( @ and ( ! ) ) or @',
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'( ( @ and ! ) ) or @',
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'( @ and ! or @ )']:
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result = _parser._parse_text_rule(expression)
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self.assertEqual('((@ and !) or @)', str(result))
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def test_A_and_B_or_C_with_group_2(self):
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result = _parser._parse_text_rule('@ and ( ! or @ )')
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self.assertEqual('(@ and (! or @))', str(result))
|
|
|
|
def test_A_and_B_or_C_with_group_and_not_1(self):
|
|
for expression in ['not ( @ ) and ! or @',
|
|
'not @ and ( ! ) or @',
|
|
'not @ and ! or ( @ )',
|
|
'( not @ ) and ! or @',
|
|
'( not @ and ! ) or @',
|
|
'( not @ and ! or @ )']:
|
|
result = _parser._parse_text_rule(expression)
|
|
self.assertEqual('((not @ and !) or @)', str(result))
|
|
|
|
def test_A_and_B_or_C_with_group_and_not_2(self):
|
|
result = _parser._parse_text_rule('not @ and ( ! or @ )')
|
|
self.assertEqual('(not @ and (! or @))', str(result))
|
|
|
|
def test_A_and_B_or_C_with_group_and_not_3(self):
|
|
result = _parser._parse_text_rule('not ( @ and ! or @ )')
|
|
self.assertEqual('not ((@ and !) or @)', str(result))
|
|
|
|
def test_A_and_B_or_C_with_group_and_not_4(self):
|
|
for expression in ['( @ ) and not ! or @',
|
|
'@ and ( not ! ) or @',
|
|
'@ and not ( ! ) or @',
|
|
'@ and not ! or ( @ )',
|
|
'( @ and not ! ) or @',
|
|
'( @ and not ! or @ )']:
|
|
result = _parser._parse_text_rule(expression)
|
|
self.assertEqual('((@ and not !) or @)', str(result))
|
|
|
|
def test_A_and_B_or_C_with_group_and_not_5(self):
|
|
result = _parser._parse_text_rule('@ and ( not ! or @ )')
|
|
self.assertEqual('(@ and (not ! or @))', str(result))
|
|
|
|
def test_A_and_B_or_C_with_group_and_not_6(self):
|
|
result = _parser._parse_text_rule('@ and not ( ! or @ )')
|
|
self.assertEqual('(@ and not (! or @))', str(result))
|
|
|
|
def test_A_and_B_or_C_with_group_and_not_7(self):
|
|
for expression in ['( @ ) and ! or not @',
|
|
'@ and ( ! ) or not @',
|
|
'@ and ! or not ( @ )',
|
|
'@ and ! or ( not @ )',
|
|
'( @ and ! ) or not @',
|
|
'( @ and ! or not @ )']:
|
|
result = _parser._parse_text_rule(expression)
|
|
self.assertEqual('((@ and !) or not @)', str(result))
|
|
|
|
def test_A_and_B_or_C_with_group_and_not_8(self):
|
|
result = _parser._parse_text_rule('@ and ( ! or not @ )')
|
|
self.assertEqual('(@ and (! or not @))', str(result))
|
|
|
|
|
|
class ParseRuleTestCase(test_base.BaseTestCase):
|
|
@mock.patch.object(_parser, '_parse_text_rule', return_value='text rule')
|
|
@mock.patch.object(_parser, '_parse_list_rule', return_value='list rule')
|
|
def test_parse_rule_string(self, mock_parse_list_rule,
|
|
mock_parse_text_rule):
|
|
result = _parser.parse_rule('a string')
|
|
|
|
self.assertEqual('text rule', result)
|
|
self.assertFalse(mock_parse_list_rule.called)
|
|
mock_parse_text_rule.assert_called_once_with('a string')
|
|
|
|
@mock.patch.object(_parser, '_parse_text_rule', return_value='text rule')
|
|
@mock.patch.object(_parser, '_parse_list_rule', return_value='list rule')
|
|
def test_parse_rule_list(self, mock_parse_list_rule, mock_parse_text_rule):
|
|
result = _parser.parse_rule([['a'], ['list']])
|
|
|
|
self.assertEqual('list rule', result)
|
|
self.assertFalse(mock_parse_text_rule.called)
|
|
mock_parse_list_rule.assert_called_once_with([['a'], ['list']])
|