test/unittest_predicates.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Thu, 03 Apr 2014 19:54:45 +0200
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child 9668 501f14e095d1
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[test] update unittest_predicates to 3.19 api [jcr: use self.admin_access instead of creating a new one each time]
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# copyright 2003-2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""unit tests for selectors mechanism"""
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from operator import eq, lt, le, gt
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from contextlib import contextmanager
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from logilab.common.testlib import TestCase, unittest_main
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from logilab.common.decorators import clear_cache
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from cubicweb import Binary
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from cubicweb.devtools.testlib import CubicWebTC
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from cubicweb.predicates import (is_instance, adaptable, match_kwargs, match_user_groups,
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                                multi_lines_rset, score_entity, is_in_state,
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                                rql_condition, relation_possible)
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from cubicweb.selectors import on_transition # XXX on_transition is deprecated
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from cubicweb.view import EntityAdapter
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from cubicweb.web import action
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class ImplementsTC(CubicWebTC):
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    def test_etype_priority(self):
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        with self.admin_access.web_request() as req:
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            f = req.create_entity('File', data_name=u'hop.txt', data=Binary('hop'))
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            rset = f.as_rset()
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            anyscore = is_instance('Any')(f.__class__, req, rset=rset)
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            idownscore = adaptable('IDownloadable')(f.__class__, req, rset=rset)
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            self.assertTrue(idownscore > anyscore, (idownscore, anyscore))
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            filescore = is_instance('File')(f.__class__, req, rset=rset)
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            self.assertTrue(filescore > idownscore, (filescore, idownscore))
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    def test_etype_inheritance_no_yams_inheritance(self):
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        cls = self.vreg['etypes'].etype_class('Personne')
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        with self.admin_access.web_request() as req:
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            self.assertFalse(is_instance('Societe').score_class(cls, req))
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    def test_yams_inheritance(self):
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        cls = self.vreg['etypes'].etype_class('Transition')
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        with self.admin_access.web_request() as req:
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            self.assertEqual(is_instance('BaseTransition').score_class(cls, req),
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                             3)
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    def test_outer_join(self):
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        with self.admin_access.web_request() as req:
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            rset = req.execute('Any U,B WHERE B? bookmarked_by U, U login "anon"')
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            self.assertEqual(is_instance('Bookmark')(None, req, rset=rset, row=0, col=1),
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                             0)
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class WorkflowSelectorTC(CubicWebTC):
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    def setUp(self):
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        super(WorkflowSelectorTC, self).setUp()
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        # enable debug mode to state/transition validation on the fly
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        self.vreg.config.debugmode = True
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    def tearDown(self):
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        self.vreg.config.debugmode = False
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        super(WorkflowSelectorTC, self).tearDown()
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    def setup_database(self):
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        wf = self.shell().add_workflow("wf_test", 'StateFull', default=True)
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        created   = wf.add_state('created', initial=True)
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        validated = wf.add_state('validated')
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        abandoned = wf.add_state('abandoned')
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        wf.add_transition('validate', created, validated, ('managers',))
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        wf.add_transition('forsake', (created, validated,), abandoned, ('managers',))
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    @contextmanager
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    def statefull_stuff(self):
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        with self.admin_access.web_request() as req:
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            wf_entity = req.create_entity('StateFull', name=u'')
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            rset = wf_entity.as_rset()
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            adapter = wf_entity.cw_adapt_to('IWorkflowable')
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            req.cnx.commit()
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            self.assertEqual(adapter.state, 'created')
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            yield req, wf_entity, rset, adapter
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    def test_is_in_state(self):
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        with self.statefull_stuff() as (req, wf_entity, rset, adapter):
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            for state in ('created', 'validated', 'abandoned'):
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                selector = is_in_state(state)
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                self.assertEqual(selector(None, req, rset=rset),
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                                 state=="created")
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            adapter.fire_transition('validate')
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            req.cnx.commit(); wf_entity.cw_clear_all_caches()
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            self.assertEqual(adapter.state, 'validated')
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            clear_cache(rset, 'get_entity')
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            selector = is_in_state('created')
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            selector = is_in_state('validated')
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            self.assertEqual(selector(None, req, rset=rset), 1)
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            selector = is_in_state('validated', 'abandoned')
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            self.assertEqual(selector(None, req, rset=rset), 1)
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            selector = is_in_state('abandoned')
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            adapter.fire_transition('forsake')
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            req.cnx.commit(); wf_entity.cw_clear_all_caches()
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            self.assertEqual(adapter.state, 'abandoned')
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            clear_cache(rset, 'get_entity')
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            selector = is_in_state('created')
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            selector = is_in_state('validated')
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            selector = is_in_state('validated', 'abandoned')
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            self.assertEqual(selector(None, req, rset=rset), 1)
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            self.assertEqual(adapter.state, 'abandoned')
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            self.assertEqual(selector(None, req, rset=rset), 1)
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    def test_is_in_state_unvalid_names(self):
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        with self.statefull_stuff() as (req, wf_entity, rset, adapter):
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            selector = is_in_state("unknown")
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            with self.assertRaises(ValueError) as cm:
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                selector(None, req, rset=rset)
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            self.assertEqual(str(cm.exception),
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                             "wf_test: unknown state(s): unknown")
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            selector = is_in_state("weird", "unknown", "created", "weird")
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            with self.assertRaises(ValueError) as cm:
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                selector(None, req, rset=rset)
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            self.assertEqual(str(cm.exception),
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                             "wf_test: unknown state(s): unknown,weird")
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    def test_on_transition(self):
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        with self.statefull_stuff() as (req, wf_entity, rset, adapter):
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            for transition in ('validate', 'forsake'):
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                selector = on_transition(transition)
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                self.assertEqual(selector(None, req, rset=rset), 0)
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            adapter.fire_transition('validate')
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            req.cnx.commit(); wf_entity.cw_clear_all_caches()
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            self.assertEqual(adapter.state, 'validated')
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            clear_cache(rset, 'get_entity')
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            selector = on_transition("validate")
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            self.assertEqual(selector(None, req, rset=rset), 1)
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            selector = on_transition("validate", "forsake")
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            self.assertEqual(selector(None, req, rset=rset), 1)
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            selector = on_transition("forsake")
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            adapter.fire_transition('forsake')
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            req.cnx.commit(); wf_entity.cw_clear_all_caches()
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            self.assertEqual(adapter.state, 'abandoned')
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            clear_cache(rset, 'get_entity')
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            selector = on_transition("validate")
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            selector = on_transition("validate", "forsake")
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            self.assertEqual(selector(None, req, rset=rset), 1)
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            selector = on_transition("forsake")
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            self.assertEqual(selector(None, req, rset=rset), 1)
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    def test_on_transition_unvalid_names(self):
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        with self.statefull_stuff() as (req, wf_entity, rset, adapter):
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            selector = on_transition("unknown")
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            with self.assertRaises(ValueError) as cm:
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                selector(None, req, rset=rset)
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            self.assertEqual(str(cm.exception),
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                             "wf_test: unknown transition(s): unknown")
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            selector = on_transition("weird", "unknown", "validate", "weird")
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            with self.assertRaises(ValueError) as cm:
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                selector(None, req, rset=rset)
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            self.assertEqual(str(cm.exception),
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                             "wf_test: unknown transition(s): unknown,weird")
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    def test_on_transition_with_no_effect(self):
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        """selector will not be triggered with `change_state()`"""
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        with self.statefull_stuff() as (req, wf_entity, rset, adapter):
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            adapter.change_state('validated')
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            req.cnx.commit(); wf_entity.cw_clear_all_caches()
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            self.assertEqual(adapter.state, 'validated')
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            selector = on_transition("validate")
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            selector = on_transition("validate", "forsake")
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            selector = on_transition("forsake")
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            self.assertEqual(selector(None, req, rset=rset), 0)
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class RelationPossibleTC(CubicWebTC):
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    def test_rqlst_1(self):
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        with self.admin_access.web_request() as req:
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            selector = relation_possible('in_group')
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            select = self.vreg.parse(req, 'Any X WHERE X is CWUser').children[0]
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            score = selector(None, req, rset=1,
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                             select=select, filtered_variable=select.defined_vars['X'])
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            self.assertEqual(score, 1)
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    def test_rqlst_2(self):
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        with self.admin_access.web_request() as req:
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            selector = relation_possible('in_group')
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            select = self.vreg.parse(req, 'Any 1, COUNT(X) WHERE X is CWUser, X creation_date XD, '
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                                     'Y creation_date YD, Y is CWGroup '
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                                     'HAVING DAY(XD)=DAY(YD)').children[0]
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            score = selector(None, req, rset=1,
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                             select=select, filtered_variable=select.defined_vars['X'])
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            self.assertEqual(score, 1)
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    def test_ambiguous(self):
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        # Ambiguous relations are :
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        # (Service, fabrique_par, Personne) and (Produit, fabrique_par, Usine)
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        # There used to be a crash here with a bad rdef choice in the strict
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        # checking case.
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        selector = relation_possible('fabrique_par', role='object',
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                                     target_etype='Personne', strict=True)
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        with self.admin_access.web_request() as req:
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            usine = req.create_entity('Usine', lieu=u'here')
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            score = selector(None, req, rset=usine.as_rset())
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            self.assertEqual(0, score)
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class MatchUserGroupsTC(CubicWebTC):
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    def test_owners_group(self):
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        """tests usage of 'owners' group with match_user_group"""
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        class SomeAction(action.Action):
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            __regid__ = 'yo'
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            category = 'foo'
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            __select__ = match_user_groups('owners')
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        self.vreg._loadedmods[__name__] = {}
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        self.vreg.register(SomeAction)
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        SomeAction.__registered__(self.vreg['actions'])
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        self.assertTrue(SomeAction in self.vreg['actions']['yo'], self.vreg['actions'])
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        try:
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            with self.admin_access.web_request() as req:
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                self.create_user(req, 'john')
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            # login as a simple user
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            john_access = self.new_access('john')
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            with john_access.web_request() as req:
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                # it should not be possible to use SomeAction not owned objects
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                rset = req.execute('Any G WHERE G is CWGroup, G name "managers"')
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                self.assertFalse('yo' in dict(self.pactions(req, rset)))
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                # insert a new card, and check that we can use SomeAction on our object
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                req.execute('INSERT Card C: C title "zoubidou"')
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                req.cnx.commit()
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            with john_access.web_request() as req:
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                rset = req.execute('Card C WHERE C title "zoubidou"')
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                self.assertTrue('yo' in dict(self.pactions(req, rset)), self.pactions(req, rset))
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            # make sure even managers can't use the action
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            with self.admin_access.web_request() as req:
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                rset = req.execute('Card C WHERE C title "zoubidou"')
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                self.assertFalse('yo' in dict(self.pactions(req, rset)))
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        finally:
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            del self.vreg[SomeAction.__registry__][SomeAction.__regid__]
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class MultiLinesRsetTC(CubicWebTC):
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    def setup_database(self):
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        with self.admin_access.web_request() as req:
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            req.execute('INSERT CWGroup G: G name "group1"')
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            req.execute('INSERT CWGroup G: G name "group2"')
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            req.cnx.commit()
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    def test_default_op_in_selector(self):
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        with self.admin_access.web_request() as req:
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            rset = req.execute('Any G WHERE G is CWGroup')
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            expected = len(rset)
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            selector = multi_lines_rset(expected)
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            self.assertEqual(selector(None, req, rset=rset), 1)
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            self.assertEqual(selector(None, req, None), 0)
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            selector = multi_lines_rset(expected + 1)
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            self.assertEqual(selector(None, req, None), 0)
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            selector = multi_lines_rset(expected - 1)
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            self.assertEqual(selector(None, req, None), 0)
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    def test_without_rset(self):
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        with self.admin_access.web_request() as req:
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            rset = req.execute('Any G WHERE G is CWGroup')
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            expected = len(rset)
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            selector = multi_lines_rset(expected)
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            self.assertEqual(selector(None, req, None), 0)
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            selector = multi_lines_rset(expected + 1)
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            self.assertEqual(selector(None, req, None), 0)
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            selector = multi_lines_rset(expected - 1)
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            self.assertEqual(selector(None, req, None), 0)
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    def test_with_operators(self):
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        with self.admin_access.web_request() as req:
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            rset = req.execute('Any G WHERE G is CWGroup')
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            expected = len(rset)
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            # Format     'expected', 'operator', 'assert'
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            testdata = (( expected,         eq,        1),
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                        ( expected+1,       eq,        0),
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                        ( expected-1,       eq,        0),
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                        ( expected,         le,        1),
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                        ( expected+1,       le,        1),
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                        ( expected-1,       le,        0),
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                        ( expected-1,       gt,        1),
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                        ( expected,         gt,        0),
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                        ( expected+1,       gt,        0),
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                        ( expected+1,       lt,        1),
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                        ( expected,         lt,        0),
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                        ( expected-1,       lt,        0))
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            for (expected, operator, assertion) in testdata:
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                selector = multi_lines_rset(expected, operator)
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                yield self.assertEqual, selector(None, req, rset=rset), assertion
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class MatchKwargsTC(TestCase):
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    def test_match_kwargs_default(self):
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        selector = match_kwargs( set( ('a', 'b') ) )
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        self.assertEqual(selector(None, None, a=1, b=2), 2)
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        self.assertEqual(selector(None, None, a=1), 0)
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        self.assertEqual(selector(None, None, c=1), 0)
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        self.assertEqual(selector(None, None, a=1, c=1), 0)
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   336
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    def test_match_kwargs_any(self):
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   338
        selector = match_kwargs( set( ('a', 'b') ), mode='any')
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   339
        self.assertEqual(selector(None, None, a=1, b=2), 2)
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        self.assertEqual(selector(None, None, a=1), 1)
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        self.assertEqual(selector(None, None, c=1), 0)
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        self.assertEqual(selector(None, None, a=1, c=1), 1)
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class ScoreEntityTC(CubicWebTC):
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    def test_intscore_entity_selector(self):
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        with self.admin_access.web_request() as req:
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            rset = req.execute('Any E WHERE E eid 1')
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            selector = score_entity(lambda x: None)
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            self.assertEqual(selector(None, req, rset=rset), 0)
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            selector = score_entity(lambda x: "something")
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            self.assertEqual(selector(None, req, rset=rset), 1)
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            selector = score_entity(lambda x: object)
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   355
            self.assertEqual(selector(None, req, rset=rset), 1)
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            rset = req.execute('Any G LIMIT 2 WHERE G is CWGroup')
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            selector = score_entity(lambda x: 10)
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            self.assertEqual(selector(None, req, rset=rset), 20)
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            selector = score_entity(lambda x: 10, mode='any')
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            self.assertEqual(selector(None, req, rset=rset), 10)
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   362
    def test_rql_condition_entity(self):
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        with self.admin_access.web_request() as req:
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   364
            selector = rql_condition('X identity U')
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   365
            rset = req.user.as_rset()
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   366
            self.assertEqual(selector(None, req, rset=rset), 1)
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            self.assertEqual(selector(None, req, entity=req.user), 1)
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            self.assertEqual(selector(None, req), 0)
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   370
    def test_rql_condition_user(self):
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   371
        with self.admin_access.web_request() as req:
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   372
            selector = rql_condition('U login "admin"', user_condition=True)
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   373
            self.assertEqual(selector(None, req), 1)
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   374
            selector = rql_condition('U login "toto"', user_condition=True)
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            self.assertEqual(selector(None, req), 0)
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   376
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   377
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class AdaptablePredicateTC(CubicWebTC):
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   379
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   380
    def test_multiple_entity_types_rset(self):
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   381
        class CWUserIWhatever(EntityAdapter):
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   382
            __regid__ = 'IWhatever'
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   383
            __select__ = is_instance('CWUser')
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   384
        class CWGroupIWhatever(EntityAdapter):
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   385
            __regid__ = 'IWhatever'
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diff changeset
   386
            __select__ = is_instance('CWGroup')
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diff changeset
   387
        with self.temporary_appobjects(CWUserIWhatever, CWGroupIWhatever):
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diff changeset
   388
            with self.admin_access.web_request() as req:
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   389
                selector = adaptable('IWhatever')
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   390
                rset = req.execute('Any X WHERE X is IN(CWGroup, CWUser)')
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diff changeset
   391
                self.assertTrue(selector(None, req, rset=rset))
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diff changeset
   392
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diff changeset
   393
if __name__ == '__main__':
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   394
    unittest_main()
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   395