# copyright 2003-2016 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/>.

"""unittest for cubicweb.dataimport.stores"""

import datetime as DT

import pytz

from cubicweb.dataimport import stores

from cubicweb.devtools.testlib import CubicWebTC

class RQLObjectStoreTC(CubicWebTC):

    store_impl = stores.RQLObjectStore

    insert_group_attrs = dict(name=u'grp')

    insert_user_attrs = dict(login=u'lgn', upassword=u'pwd')

    source_name = 'system'

    user_extid = None

    def test_base(self):

        with self.admin_access.repo_cnx() as cnx:

            store = self.store_impl(cnx)

            # Check data insertion

            group_eid = store.prepare_insert_entity('CWGroup', **self.insert_group_attrs)

            user_eid = store.prepare_insert_entity('CWUser', **self.insert_user_attrs)

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

            store.flush()

            store.commit()

            store.finish()

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

            self.assertEqual(user_eid, user.eid)

            self.assertTrue(user.creation_date)

            self.assertTrue(user.modification_date)

            self.assertTrue(user.cwuri)

            self.assertEqual(user.created_by[0].eid, cnx.user.eid)

            self.assertEqual(user.owned_by[0].eid, cnx.user.eid)

            self.assertEqual(user.cw_source[0].name, self.source_name)

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

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

            # Check data update

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

            store.commit()

            self.assertFalse(cnx.execute('CWGroup X WHERE X name "grp"'))

            self.assertTrue(cnx.execute('CWGroup X WHERE X name "new_grp"'))

            # Check data update with wrong type

            with self.assertRaises(AssertionError):

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

            store.commit()

            self.assertFalse(cnx.execute('CWGroup X WHERE X name "new_user"'))

            self.assertTrue(cnx.execute('CWGroup X WHERE X name "new_grp"'))

class NoHookRQLObjectStoreTC(RQLObjectStoreTC):

    store_impl = stores.NoHookRQLObjectStore

class NoHookRQLObjectStoreWithCustomMDGenStoreTC(RQLObjectStoreTC):

    insert_group_attrs = RQLObjectStoreTC.insert_group_attrs.copy()

    insert_group_attrs['cwuri'] = u'http://somewhere.com/group/1'

    insert_user_attrs = RQLObjectStoreTC.insert_user_attrs.copy()

    insert_user_attrs['cwuri'] = u'http://somewhere.com/user/1'

    source_name = 'test'

    user_extid = b'http://somewhere.com/user/1'

    def store_impl(self, cnx):

        source = cnx.create_entity('CWSource', type=u'datafeed', name=u'test', url=u'test')

        cnx.commit()

        metagen = stores.MetadataGenerator(cnx, source=cnx.repo.source_by_eid(source.eid))

        return stores.NoHookRQLObjectStore(cnx, metagen)

class MetaGeneratorTC(CubicWebTC):

    metagenerator_impl = stores.MetaGenerator

    _etype_rels = staticmethod(lambda x: x.etype_rels)

    def test_dont_generate_relation_to_internal_manager(self):

        with self.admin_access.repo_cnx() as cnx:

            metagen = self.metagenerator_impl(cnx)

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

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

        with self.repo.internal_cnx() as cnx:

            metagen = self.metagenerator_impl(cnx)

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

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

    def test_dont_generate_specified_values(self):

        with self.admin_access.repo_cnx() as cnx:

            metagen = self.metagenerator_impl(cnx)

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

            metagen.gen_modification_date = None

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

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

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

            metagen.init_entity(entity)

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

class MetadataGeneratorWrapperTC(MetaGeneratorTC):

    @staticmethod

    def metagenerator_impl(cnx):

        return stores._MetaGeneratorBWCompatWrapper(stores.MetadataGenerator(cnx))

    _etype_rels = staticmethod(lambda x: x._mdgen._etype_rels)

class MetadataGeneratorTC(CubicWebTC):

    def test_dont_generate_relation_to_internal_manager(self):

        with self.admin_access.repo_cnx() as cnx:

            metagen = stores.MetadataGenerator(cnx)

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

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

        with self.repo.internal_cnx() as cnx:

            metagen = stores.MetadataGenerator(cnx)

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

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

    def test_dont_generate_specified_values(self):

        with self.admin_access.repo_cnx() as cnx:

            metagen = stores.MetadataGenerator(cnx)

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

            metagen.gen_modification_date = None

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

            attrs = metagen.base_etype_attrs('CWUser')

            attrs.update(dict(modification_date=md))

            metagen.init_entity_attrs('CWUser', 1, attrs)

            self.assertEqual(attrs['modification_date'], md)

if __name__ == '__main__':

    import unittest

    unittest.main()