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−# copyright 2003-2012 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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−
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−from cubicweb.devtools.testlib import CubicWebTC
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−from cubicweb.web import facet
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−
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−
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−class InsertAttrRelationTC(CubicWebTC):
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−
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−    def parse(self, query):
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−        rqlst = self.vreg.parse(self.session, query)
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−        select = rqlst.children[0]
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−        return rqlst
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−
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−    def _generate(self, rqlst, rel, role, attr):
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−        select = rqlst.children[0]
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−        filtered_variable = facet.get_filtered_variable(select)
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−        facet.prepare_select(select, filtered_variable)
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−        facet.insert_attr_select_relation(select, filtered_variable,
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−                                          rel, role, attr)
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−        return rqlst.as_string()
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−
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−    @property
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−    def select(self):
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−        return self.parse('Any B,(NOW - CD),S,V,U,GROUP_CONCAT(TN),VN,P,CD,BMD '
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−                          'GROUPBY B,CD,S,V,U,VN,P,BMD '
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−                          'WHERE B in_state S, B creation_date CD, '
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−                          'B modification_date BMD, T? tags B, T name TN, '
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−                          'V? bookmarked_by B, V title VN, B created_by U?, '
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−                          'B in_group P, P name "managers"')
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−
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−    def test_1(self):
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−        self.assertEqual(self._generate(self.select, 'in_state', 'subject', 'name'),
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−                          "DISTINCT Any A,C ORDERBY C WHERE B in_group P, P name 'managers', "
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−                          "B in_state A, B is CWUser, A name C")
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−
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−    def test_2(self):
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−        self.assertEqual(self._generate(self.select, 'tags', 'object', 'name'),
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−                          "DISTINCT Any A,C ORDERBY C WHERE B in_group P, P name 'managers', "
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−                          "A tags B, B is CWUser, A name C")
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−
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−    def test_3(self):
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−        self.assertEqual(self._generate(self.select, 'created_by', 'subject', 'login'),
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−                          "DISTINCT Any A,C ORDERBY C WHERE B in_group P, P name 'managers', "
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−                          "B created_by A, B is CWUser, A login C")
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−
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−    def test_4(self):
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−        self.assertEqual(self._generate(self.parse('Any X WHERE X is CWUser'), 'created_by', 'subject', 'login'),
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−                          "DISTINCT Any A,B ORDERBY B WHERE X is CWUser, X created_by A, A login B")
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−
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−    def test_5(self):
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−        self.assertEqual(self._generate(self.parse('Any X,L WHERE X is CWUser, X login L'), 'created_by', 'subject', 'login'),
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−                          "DISTINCT Any A,B ORDERBY B WHERE X is CWUser, X created_by A, A login B")
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−
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−    def test_nonregr1(self):
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−        select = self.parse('Any T,V WHERE T bookmarked_by V?, '
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−                            'V in_state VS, VS name "published", T created_by U')
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−        self.assertEqual(self._generate(select, 'created_by', 'subject', 'login'),
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−                          "DISTINCT Any A,B ORDERBY B WHERE T created_by U, "
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−                          "T created_by A, T is Bookmark, A login B")
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−
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−    def test_nonregr2(self):
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−        #'DISTINCT Any X,TMP,N WHERE P name TMP, X version_of P, P is Project, X is Version, not X in_state S,S name "published", X num N ORDERBY TMP,N'
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−        select = self.parse('DISTINCT Any V,TN,L ORDERBY TN,L WHERE T nom TN, V connait T, T is Personne, V is CWUser,'
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−                            'NOT V in_state VS, VS name "published", V login L')
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−        rschema = self.schema['connait']
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−        for rdefs in rschema.rdefs.values():
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−            rdefs.cardinality =  '++'
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−        try:
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−            self.assertEqual(self._generate(select, 'in_state', 'subject', 'name'),
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−                              "DISTINCT Any A,B ORDERBY B WHERE V is CWUser, "
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−                              "NOT EXISTS(V in_state VS), VS name 'published', "
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−                              "V in_state A, A name B")
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−        finally:
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−            for rdefs in rschema.rdefs.values():
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−                rdefs.cardinality =  '**'
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−
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−    def test_nonregr3(self):
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−        #'DISTINCT Any X,TMP,N WHERE P name TMP, X version_of P, P is Project, X is Version, not X in_state S,S name "published", X num N ORDERBY TMP,N'
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−        select = self.parse('DISTINCT Any X, MAX(Y) GROUPBY X WHERE X is CWUser, Y is Bookmark, X in_group A')
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−        self.assertEqual(self._generate(select, 'in_group', 'subject', 'name'),
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−                          "DISTINCT Any B,C ORDERBY C WHERE X is CWUser, X in_group B, B name C")
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−
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−
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−if __name__ == '__main__':
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−    from logilab.common.testlib import unittest_main
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−    unittest_main()