# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# CubicWeb is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

from cubicweb.devtools.testlib import CubicWebTC

from cubicweb.web import facet

class InsertAttrRelationTC(CubicWebTC):

    def parse(self, query):

        rqlst = self.vreg.parse(self.session, query)

        select = rqlst.children[0]

        return rqlst

    def _generate(self, rqlst, rel, role, attr):

        select = rqlst.children[0]

        filtered_variable = facet.get_filtered_variable(select)

        facet.prepare_select(select, filtered_variable)

        facet.insert_attr_select_relation(select, filtered_variable,

                                          rel, role, attr)

        return rqlst.as_string()

    @property

    def select(self):

        return self.parse(u'Any B,(NOW - CD),S,V,U,GROUP_CONCAT(TN),VN,P,CD,BMD '

                           'GROUPBY B,CD,S,V,U,VN,P,BMD '

                           'WHERE B in_state S, B creation_date CD, '

                           'B modification_date BMD, T? tags B, T name TN, '

                           'V? bookmarked_by B, V title VN, B created_by U?, '

                           'B in_group P, P name "managers"')

    def test_1(self):

        self.assertEqual(self._generate(self.select, 'in_state', 'subject', 'name'),

                         'DISTINCT Any A,C ORDERBY C WHERE B in_group P, P name "managers", '

                         'B in_state A, B is CWUser, A name C')

    def test_2(self):

        self.assertEqual(self._generate(self.select, 'tags', 'object', 'name'),

                         'DISTINCT Any A,C ORDERBY C WHERE B in_group P, P name "managers", '

                         'A tags B, B is CWUser, A name C')

    def test_3(self):

        self.assertEqual(self._generate(self.select, 'created_by', 'subject', 'login'),

                         'DISTINCT Any A,C ORDERBY C WHERE B in_group P, P name "managers", '

                         'B created_by A, B is CWUser, A login C')

    def test_4(self):

        self.assertEqual(self._generate(self.parse(u'Any X WHERE X is CWUser'), 'created_by', 'subject', 'login'),

                          "DISTINCT Any A,B ORDERBY B WHERE X is CWUser, X created_by A, A login B")

    def test_5(self):

        self.assertEqual(self._generate(self.parse(u'Any X,L WHERE X is CWUser, X login L'), 'created_by', 'subject', 'login'),

                          "DISTINCT Any A,B ORDERBY B WHERE X is CWUser, X created_by A, A login B")

    def test_nonregr1(self):

        select = self.parse(u'Any T,V WHERE T bookmarked_by V?, '

                             'V in_state VS, VS name "published", T created_by U')

        self.assertEqual(self._generate(select, 'created_by', 'subject', 'login'),

                          "DISTINCT Any A,B ORDERBY B WHERE T created_by U, "

                          "T created_by A, T is Bookmark, A login B")

    def test_nonregr2(self):

        #'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'

        select = self.parse(u'DISTINCT Any V,TN,L ORDERBY TN,L WHERE T nom TN, V connait T, T is Personne, V is CWUser,'

                             'NOT V in_state VS, VS name "published", V login L')

        rschema = self.schema['connait']

        for rdefs in rschema.rdefs.values():

            rdefs.cardinality =  '++'

        try:

            self.assertEqual(self._generate(select, 'in_state', 'subject', 'name'),

                             'DISTINCT Any A,B ORDERBY B WHERE V is CWUser, '

                             'NOT EXISTS(V in_state VS), VS name "published", '

                             'V in_state A, A name B')

        finally:

            for rdefs in rschema.rdefs.values():

                rdefs.cardinality =  '**'

    def test_nonregr3(self):

        #'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'

        select = self.parse(u'DISTINCT Any X, MAX(Y) GROUPBY X WHERE X is CWUser, Y is Bookmark, X in_group A')

        self.assertEqual(self._generate(select, 'in_group', 'subject', 'name'),

                          "DISTINCT Any B,C ORDERBY C WHERE X is CWUser, X in_group B, B name C")

if __name__ == '__main__':

    from logilab.common.testlib import unittest_main

    unittest_main()