import datetime as DT

from cubicweb.devtools.testlib import CubicWebTC

class RQLObjectStoreTC(CubicWebTC):

    def test_all(self):

        with self.admin_access.repo_cnx() as cnx:

            # Check data insertion

            group_eid = store.prepare_insert_entity('CWGroup', name=u'grp')

            user_eid = store.prepare_insert_entity('CWUser', login=u'lgn',

                                                   upassword=u'pwd')

            store.prepare_insert_relation(user_eid, 'in_group', group_eid)

            cnx.commit()

            users = cnx.execute('CWUser X WHERE X login "lgn"')

            self.assertEqual(1, len(users))

            self.assertEqual(user_eid, users.one().eid)

            groups = cnx.execute('CWGroup X WHERE U in_group X, U login "lgn"')

            self.assertEqual(1, len(users))

            self.assertEqual(group_eid, groups.one().eid)

            # Check data update

            self.set_description('Check data update')

            store.prepare_update_entity('CWGroup', group_eid, name=u'new_grp')

            cnx.commit()

            group = cnx.execute('CWGroup X WHERE X name "grp"')

            self.assertEqual(len(group), 0)

            group = cnx.execute('CWGroup X WHERE X name "new_grp"')

            self.assertEqual, len(group), 1

            # Check data update with wrong type

            with self.assertRaises(AssertionError):

                store.prepare_update_entity('CWUser', group_eid, name=u'new_user')

            cnx.commit()

            group = cnx.execute('CWGroup X WHERE X name "new_user"')

            self.assertEqual(len(group), 0)

            group = cnx.execute('CWGroup X WHERE X name "new_grp"')

            self.assertEqual(len(group), 1)

class MetaGeneratorTC(CubicWebTC):

    def test_dont_generate_relation_to_internal_manager(self):

        with self.admin_access.repo_cnx() as cnx:

            self.assertIn('created_by', metagen.etype_rels)

            self.assertIn('owned_by', metagen.etype_rels)

        with self.repo.internal_cnx() as cnx:

            self.assertNotIn('created_by', metagen.etype_rels)

            self.assertNotIn('owned_by', metagen.etype_rels)

    def test_dont_generate_specified_values(self):

        with self.admin_access.repo_cnx() as cnx:

            # hijack gen_modification_date to ensure we don't go through it

            metagen.gen_modification_date = None

            md = DT.datetime.now() - DT.timedelta(days=1)

            entity, rels = metagen.base_etype_dicts('CWUser')

            entity.cw_edited.update(dict(modification_date=md))

            with cnx.ensure_cnx_set:

                metagen.init_entity(entity)

            self.assertEqual(entity.cw_edited['modification_date'], md)

if __name__ == '__main__':

    unittest_main()