from cubicweb.devtools.apptest import EnvBasedTC

from cubicweb.web.views.searchrestriction import extract_filter_fields, insert_attr_select_relation

class ExtractFilterFieldsTC(EnvBasedTC):

    def test_relations_cleanup(self):

        # removing relation should be done in the table filter form but not

        # from the facets box

        rset = self.execute('Any X, S WHERE X in_state S')

        afielddefs, baserql, groupby, orderby = extract_filter_fields(rset, 0)

        afielddefs = [(getattr(r, 'r_type', r), role, type) for r, role, type, values in afielddefs]

        self.assertEquals(afielddefs, [('has_text', 'subject', 'rstring'),

                                       ('in_state', 'subject', 'eid')])

        self.assertEquals(baserql, 'DISTINCT Any X,S')

        self.assertEquals(groupby, '')

        self.assertEquals(orderby, '')

        # test rql st state

        self.assertEquals(rset.syntax_tree().as_string(), 'Any X,S WHERE X in_state S')

        afielddefs, baserql, groupby, orderby = extract_filter_fields(rset, 0, removerels=False)

        afielddefs = [(getattr(r, 'r_type', r), role, type) for r, role, type, values in afielddefs]

        self.assertEquals(afielddefs, [('has_text', 'subject', 'rstring'),

                                       ('in_state', 'subject', 'eid')])

        self.assertEquals(baserql, 'DISTINCT Any X,S WHERE X in_state S')

class InsertAttrRelationTC(EnvBasedTC):

    def parse(self, query):

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

        select = rqlst.children[0]

        select.remove_groups()

        return select

    def _generate(self, select, rel, var, attr):

        return insert_attr_select_relation(select, select.defined_vars[var], rel, attr)

    @property

    def select(self):

        return self.parse('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.assertEquals(self._generate(self.select, 'in_state', 'S', 'name'),

                          "DISTINCT Any S,A ORDERBY A WHERE B in_state S, B in_group P, "

                          "P name 'managers', S name A, B is EUser")

    def test_2(self):

        self.assertEquals(self._generate(self.select, 'tags', 'T', 'name'),

                          "DISTINCT Any T,TN ORDERBY TN WHERE T tags B, T name TN, "

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

    def test_3(self):

        self.assertEquals(self._generate(self.select, 'created_by', 'U', 'login'),

                          "DISTINCT Any U,A ORDERBY A WHERE B created_by U, B in_group P, "

                          "P name 'managers', U login A, B is EUser")

    def test_nonregr1(self):

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

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

        self.assertEquals(self._generate(select, 'created_by', 'U', 'login'),

                          'DISTINCT Any U,A ORDERBY A WHERE T created_by U, U login A, '

                          'T is Bookmark')

    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('DISTINCT Any V,TN,L ORDERBY TN,L WHERE T nom TN, V connait T, T is Personne, V is EUser,'

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

        rschema = self.schema['connait']

        for s, o in rschema.iter_rdefs():

            rschema.set_rproperty(s, o, 'cardinality', '++')

        try:

            self.assertEquals(self._generate(select, 'in_state', 'VS', 'name'),

                              "DISTINCT Any VS,A ORDERBY A WHERE V is EUser, NOT V in_state VS, VS name 'published', VS name A")

        finally:

            for s, o in rschema.iter_rdefs():

                rschema.set_rproperty(s, o, '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('DISTINCT Any X, MAX(Y) GROUPBY X WHERE X is EUser, Y is Bookmark, X in_group A')

        self.assertEquals(self._generate(select, 'in_group', 'A', 'name'),

                          "DISTINCT Any A,B ORDERBY B WHERE X is EUser, X in_group A, A name B")

if __name__ == '__main__':

    from logilab.common.testlib import unittest_main

    unittest_main()