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cubicweb/server/test/unittest_edition.py
author Laurent Wouters <lwouters@cenotelie.fr>
Tue, 24 Apr 2018 10:19:42 +0200
changeset 12297 38058ce2a9ec
permissions -rw-r--r--
[server] Fixed issue with the adapters cache of a cloned EditedEntity The adapters' cache of the entity within an EditedEntity used to be copied along the entity itself during a cloning operation of the EditedEntity. This raises an issue when the adapters' cache is not empty and contains cached values linking to transaction-specific data (or the transaction itself). This prevents the clone EditedEntity being used in a transaction outside the one that created it. This change resets the adapters' cache of the new copy so that no cached value remain. The new copy can then be used in a new transaction afterwards.

# copyright 2018 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/>.

"""Tests for the entity edition"""

from cubicweb.devtools.testlib import CubicWebTC
from cubicweb.server.edition import EditedEntity


class EditedEntityTC(CubicWebTC):
    """
    Test cases for EditedEntity
    """

    def test_clone_cache_reset(self):
        """
        Tests that when an EditedEntity is cloned the caches are reset in the cloned instance
        :return: Nothing
        """
        # Create an entity, create the EditedEntity and clone it
        with self.admin_access.cnx() as cnx:
            affaire = cnx.create_entity("Affaire", sujet=u"toto")
            ee = EditedEntity(affaire)
            ee.entity.cw_adapt_to("IWorkflowable")
            self.assertTrue(ee.entity._cw_related_cache)
            self.assertTrue(ee.entity._cw_adapters_cache)
            the_clone = ee.clone()
            self.assertFalse(the_clone.entity._cw_related_cache)
            self.assertFalse(the_clone.entity._cw_adapters_cache)
            cnx.rollback()
        # Check the attributes
        with self.admin_access.cnx() as cnx:
            # Assume a different connection set on the entity
            self.assertNotEqual(the_clone.entity._cw, cnx)
            # Use the new connection
            the_clone.entity._cw = cnx
            self.assertEqual("toto", the_clone.entity.sujet)


if __name__ == '__main__':
    import unittest
    unittest.main()
cubicweb