cubicweb/server/test/unittest_repository.py
changeset 11057 0b59724cb3f2
parent 11008 de86c6592cc7
child 11195 5de859b95988
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/server/test/unittest_repository.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,751 @@
+# -*- coding: iso-8859-1 -*-
+# copyright 2003-2014 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/>.
+"""unit tests for module cubicweb.server.repository"""
+
+import threading
+import time
+import logging
+
+from six.moves import range
+
+from yams.constraints import UniqueConstraint
+from yams import register_base_type, unregister_base_type
+
+from logilab.database import get_db_helper
+
+from cubicweb import (BadConnectionId, ValidationError,
+                      UnknownEid, AuthenticationError, Unauthorized, QueryError)
+from cubicweb.predicates import is_instance
+from cubicweb.schema import RQLConstraint
+from cubicweb.devtools.testlib import CubicWebTC
+from cubicweb.devtools.repotest import tuplify
+from cubicweb.server import hook
+from cubicweb.server.sqlutils import SQL_PREFIX
+from cubicweb.server.hook import Hook
+from cubicweb.server.sources import native
+from cubicweb.server.session import SessionClosedError
+
+
+class RepositoryTC(CubicWebTC):
+    """ singleton providing access to a persistent storage for entities
+    and relation
+    """
+
+    def test_unique_together_constraint(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute('INSERT Societe S: S nom "Logilab", S type "SSLL", S cp "75013"')
+            with self.assertRaises(ValidationError) as wraperr:
+                cnx.execute('INSERT Societe S: S nom "Logilab", S type "SSLL", S cp "75013"')
+            self.assertEqual(
+                {'cp': u'%(KEY-rtype)s is part of violated unicity constraint',
+                 'nom': u'%(KEY-rtype)s is part of violated unicity constraint',
+                 'type': u'%(KEY-rtype)s is part of violated unicity constraint',
+                 '': u'some relations violate a unicity constraint'},
+                wraperr.exception.args[1])
+
+    def test_unique_together_schema(self):
+        person = self.repo.schema.eschema('Personne')
+        self.assertEqual(len(person._unique_together), 1)
+        self.assertItemsEqual(person._unique_together[0],
+                                           ('nom', 'prenom', 'inline2'))
+
+    def test_all_entities_have_owner(self):
+        with self.admin_access.repo_cnx() as cnx:
+            self.assertFalse(cnx.execute('Any X WHERE NOT X owned_by U'))
+
+    def test_all_entities_have_is(self):
+        with self.admin_access.repo_cnx() as cnx:
+            self.assertFalse(cnx.execute('Any X WHERE NOT X is ET'))
+
+    def test_all_entities_have_cw_source(self):
+        with self.admin_access.repo_cnx() as cnx:
+            self.assertFalse(cnx.execute('Any X WHERE NOT X cw_source S'))
+
+    def test_connect(self):
+        cnxid = self.repo.connect(self.admlogin, password=self.admpassword)
+        self.assertTrue(cnxid)
+        self.repo.close(cnxid)
+        self.assertRaises(AuthenticationError,
+                          self.repo.connect, self.admlogin, password='nimportnawak')
+        self.assertRaises(AuthenticationError,
+                          self.repo.connect, self.admlogin, password='')
+        self.assertRaises(AuthenticationError,
+                          self.repo.connect, self.admlogin, password=None)
+        self.assertRaises(AuthenticationError,
+                          self.repo.connect, None, password=None)
+        self.assertRaises(AuthenticationError,
+                          self.repo.connect, self.admlogin)
+        self.assertRaises(AuthenticationError,
+                          self.repo.connect, None)
+
+    def test_login_upassword_accent(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute('INSERT CWUser X: X login %(login)s, X upassword %(passwd)s, '
+                        'X in_group G WHERE G name "users"',
+                        {'login': u"barnabé", 'passwd': u"héhéhé".encode('UTF8')})
+            cnx.commit()
+        repo = self.repo
+        cnxid = repo.connect(u"barnabé", password=u"héhéhé".encode('UTF8'))
+        self.assertTrue(cnxid)
+        repo.close(cnxid)
+
+    def test_rollback_on_execute_validation_error(self):
+        class ValidationErrorAfterHook(Hook):
+            __regid__ = 'valerror-after-hook'
+            __select__ = Hook.__select__ & is_instance('CWGroup')
+            events = ('after_update_entity',)
+            def __call__(self):
+                raise ValidationError(self.entity.eid, {})
+
+        with self.admin_access.repo_cnx() as cnx:
+            with self.temporary_appobjects(ValidationErrorAfterHook):
+                self.assertRaises(ValidationError,
+                                  cnx.execute, 'SET X name "toto" WHERE X is CWGroup, X name "guests"')
+                self.assertTrue(cnx.execute('Any X WHERE X is CWGroup, X name "toto"'))
+                with self.assertRaises(QueryError) as cm:
+                    cnx.commit()
+                self.assertEqual(str(cm.exception), 'transaction must be rolled back')
+                cnx.rollback()
+                self.assertFalse(cnx.execute('Any X WHERE X is CWGroup, X name "toto"'))
+
+    def test_rollback_on_execute_unauthorized(self):
+        class UnauthorizedAfterHook(Hook):
+            __regid__ = 'unauthorized-after-hook'
+            __select__ = Hook.__select__ & is_instance('CWGroup')
+            events = ('after_update_entity',)
+            def __call__(self):
+                raise Unauthorized()
+
+        with self.admin_access.repo_cnx() as cnx:
+            with self.temporary_appobjects(UnauthorizedAfterHook):
+                self.assertRaises(Unauthorized,
+                                  cnx.execute, 'SET X name "toto" WHERE X is CWGroup, X name "guests"')
+                self.assertTrue(cnx.execute('Any X WHERE X is CWGroup, X name "toto"'))
+                with self.assertRaises(QueryError) as cm:
+                    cnx.commit()
+                self.assertEqual(str(cm.exception), 'transaction must be rolled back')
+                cnx.rollback()
+                self.assertFalse(cnx.execute('Any X WHERE X is CWGroup, X name "toto"'))
+
+
+    def test_close(self):
+        repo = self.repo
+        cnxid = repo.connect(self.admlogin, password=self.admpassword)
+        self.assertTrue(cnxid)
+        repo.close(cnxid)
+
+
+    def test_initial_schema(self):
+        schema = self.repo.schema
+        # check order of attributes is respected
+        notin = set(('eid', 'is', 'is_instance_of', 'identity',
+                     'creation_date', 'modification_date', 'cwuri',
+                     'owned_by', 'created_by', 'cw_source',
+                     'update_permission', 'read_permission',
+                     'add_permission', 'in_basket'))
+        self.assertListEqual(['relation_type',
+                              'from_entity', 'to_entity',
+                              'constrained_by',
+                              'cardinality', 'ordernum', 'formula',
+                              'indexed', 'fulltextindexed', 'internationalizable',
+                              'defaultval', 'extra_props',
+                              'description', 'description_format'],
+                             [r.type
+                              for r in schema.eschema('CWAttribute').ordered_relations()
+                              if r.type not in notin])
+
+        self.assertEqual(schema.eschema('CWEType').main_attribute(), 'name')
+        self.assertEqual(schema.eschema('State').main_attribute(), 'name')
+
+        constraints = schema.rschema('name').rdef('CWEType', 'String').constraints
+        self.assertEqual(len(constraints), 2)
+        for cstr in constraints[:]:
+            if isinstance(cstr, UniqueConstraint):
+                constraints.remove(cstr)
+                break
+        else:
+            self.fail('unique constraint not found')
+        sizeconstraint = constraints[0]
+        self.assertEqual(sizeconstraint.min, None)
+        self.assertEqual(sizeconstraint.max, 64)
+
+        constraints = schema.rschema('relation_type').rdef('CWAttribute', 'CWRType').constraints
+        self.assertEqual(len(constraints), 1)
+        cstr = constraints[0]
+        self.assertIsInstance(cstr, RQLConstraint)
+        self.assertEqual(cstr.expression, 'O final TRUE')
+
+        ownedby = schema.rschema('owned_by')
+        self.assertEqual(ownedby.objects('CWEType'), ('CWUser',))
+
+    def test_internal_api(self):
+        repo = self.repo
+        cnxid = repo.connect(self.admlogin, password=self.admpassword)
+        session = repo._get_session(cnxid)
+        with session.new_cnx() as cnx:
+            self.assertEqual(repo.type_and_source_from_eid(2, cnx),
+                             ('CWGroup', None, 'system'))
+            self.assertEqual(repo.type_from_eid(2, cnx), 'CWGroup')
+        repo.close(cnxid)
+
+    def test_public_api(self):
+        self.assertEqual(self.repo.get_schema(), self.repo.schema)
+        self.assertEqual(self.repo.source_defs(), {'system': {'type': 'native',
+                                                              'uri': 'system',
+                                                              'use-cwuri-as-url': False}
+                                                  })
+        # .properties() return a result set
+        self.assertEqual(self.repo.properties().rql, 'Any K,V WHERE P is CWProperty,P pkey K, P value V, NOT P for_user U')
+
+    def test_schema_is_relation(self):
+        with self.admin_access.repo_cnx() as cnx:
+            no_is_rset = cnx.execute('Any X WHERE NOT X is ET')
+            self.assertFalse(no_is_rset, no_is_rset.description)
+
+    def test_delete_if_singlecard1(self):
+        with self.admin_access.repo_cnx() as cnx:
+            note = cnx.create_entity('Affaire')
+            p1 = cnx.create_entity('Personne', nom=u'toto')
+            cnx.execute('SET A todo_by P WHERE A eid %(x)s, P eid %(p)s',
+                        {'x': note.eid, 'p': p1.eid})
+            rset = cnx.execute('Any P WHERE A todo_by P, A eid %(x)s',
+                               {'x': note.eid})
+            self.assertEqual(len(rset), 1)
+            p2 = cnx.create_entity('Personne', nom=u'tutu')
+            cnx.execute('SET A todo_by P WHERE A eid %(x)s, P eid %(p)s',
+                        {'x': note.eid, 'p': p2.eid})
+            rset = cnx.execute('Any P WHERE A todo_by P, A eid %(x)s',
+                                {'x': note.eid})
+            self.assertEqual(len(rset), 1)
+            self.assertEqual(rset.rows[0][0], p2.eid)
+
+    def test_delete_if_object_inlined_singlecard(self):
+        with self.admin_access.repo_cnx() as cnx:
+            c = cnx.create_entity('Card', title=u'Carte')
+            cnx.create_entity('Personne', nom=u'Vincent', fiche=c)
+            cnx.create_entity('Personne', nom=u'Florent', fiche=c)
+            cnx.commit()
+            self.assertEqual(len(c.reverse_fiche), 1)
+
+    def test_delete_computed_relation_nonregr(self):
+        with self.admin_access.repo_cnx() as cnx:
+            c = cnx.create_entity('Personne', nom=u'Adam', login_user=cnx.user.eid)
+            cnx.commit()
+            c.cw_delete()
+            cnx.commit()
+
+    def test_cw_set_in_before_update(self):
+        # local hook
+        class DummyBeforeHook(Hook):
+            __regid__ = 'dummy-before-hook'
+            __select__ = Hook.__select__ & is_instance('EmailAddress')
+            events = ('before_update_entity',)
+            def __call__(self):
+                # safety belt: avoid potential infinite recursion if the test
+                #              fails (i.e. RuntimeError not raised)
+                pendings = self._cw.transaction_data.setdefault('pending', set())
+                if self.entity.eid not in pendings:
+                    pendings.add(self.entity.eid)
+                    self.entity.cw_set(alias=u'foo')
+
+        with self.admin_access.repo_cnx() as cnx:
+            with self.temporary_appobjects(DummyBeforeHook):
+                addr = cnx.create_entity('EmailAddress', address=u'a@b.fr')
+                addr.cw_set(address=u'a@b.com')
+                rset = cnx.execute('Any A,AA WHERE X eid %(x)s, X address A, X alias AA',
+                                   {'x': addr.eid})
+                self.assertEqual(rset.rows, [[u'a@b.com', u'foo']])
+
+    def test_cw_set_in_before_add(self):
+        # local hook
+        class DummyBeforeHook(Hook):
+            __regid__ = 'dummy-before-hook'
+            __select__ = Hook.__select__ & is_instance('EmailAddress')
+            events = ('before_add_entity',)
+            def __call__(self):
+                # cw_set is forbidden within before_add_entity()
+                self.entity.cw_set(alias=u'foo')
+
+        with self.admin_access.repo_cnx() as cnx:
+            with self.temporary_appobjects(DummyBeforeHook):
+                # XXX will fail with python -O
+                self.assertRaises(AssertionError, cnx.create_entity,
+                                  'EmailAddress', address=u'a@b.fr')
+
+    def test_multiple_edit_cw_set(self):
+        """make sure cw_edited doesn't get cluttered
+        by previous entities on multiple set
+        """
+        # local hook
+        class DummyBeforeHook(Hook):
+            _test = self # keep reference to test instance
+            __regid__ = 'dummy-before-hook'
+            __select__ = Hook.__select__ & is_instance('Affaire')
+            events = ('before_update_entity',)
+            def __call__(self):
+                # invoiced attribute shouldn't be considered "edited" before the hook
+                self._test.assertFalse('invoiced' in self.entity.cw_edited,
+                                  'cw_edited cluttered by previous update')
+                self.entity.cw_edited['invoiced'] = 10
+
+        with self.admin_access.repo_cnx() as cnx:
+            with self.temporary_appobjects(DummyBeforeHook):
+                cnx.create_entity('Affaire', ref=u'AFF01')
+                cnx.create_entity('Affaire', ref=u'AFF02')
+                cnx.execute('SET A duration 10 WHERE A is Affaire')
+
+
+    def test_user_friendly_error(self):
+        from cubicweb.entities.adapters import IUserFriendlyUniqueTogether
+        class MyIUserFriendlyUniqueTogether(IUserFriendlyUniqueTogether):
+            __select__ = IUserFriendlyUniqueTogether.__select__ & is_instance('Societe')
+            def raise_user_exception(self):
+                raise ValidationError(self.entity.eid, {'hip': 'hop'})
+
+        with self.admin_access.repo_cnx() as cnx:
+            with self.temporary_appobjects(MyIUserFriendlyUniqueTogether):
+                s = cnx.create_entity('Societe', nom=u'Logilab', type=u'ssll', cp=u'75013')
+                cnx.commit()
+                with self.assertRaises(ValidationError) as cm:
+                    cnx.create_entity('Societe', nom=u'Logilab', type=u'ssll', cp=u'75013')
+                self.assertEqual(cm.exception.errors, {'hip': 'hop'})
+                cnx.rollback()
+                cnx.create_entity('Societe', nom=u'Logilab', type=u'ssll', cp=u'31400')
+                with self.assertRaises(ValidationError) as cm:
+                    s.cw_set(cp=u'31400')
+                self.assertEqual(cm.exception.entity, s.eid)
+                self.assertEqual(cm.exception.errors, {'hip': 'hop'})
+                cnx.rollback()
+
+    def test_attribute_cache(self):
+        with self.admin_access.repo_cnx() as cnx:
+            bk = cnx.create_entity('Bookmark', title=u'index', path=u'/')
+            cnx.commit()
+            self.assertEqual(bk.title, 'index')
+            bk.cw_set(title=u'root')
+            self.assertEqual(bk.title, 'root')
+            cnx.commit()
+            self.assertEqual(bk.title, 'root')
+
+class SchemaDeserialTC(CubicWebTC):
+
+    appid = 'data-schemaserial'
+
+    @classmethod
+    def setUpClass(cls):
+        register_base_type('BabarTestType', ('jungle_speed',))
+        helper = get_db_helper('sqlite')
+        helper.TYPE_MAPPING['BabarTestType'] = 'TEXT'
+        helper.TYPE_CONVERTERS['BabarTestType'] = lambda x: '"%s"' % x
+        super(SchemaDeserialTC, cls).setUpClass()
+
+
+    @classmethod
+    def tearDownClass(cls):
+        unregister_base_type('BabarTestType')
+        helper = get_db_helper('sqlite')
+        helper.TYPE_MAPPING.pop('BabarTestType', None)
+        helper.TYPE_CONVERTERS.pop('BabarTestType', None)
+        super(SchemaDeserialTC, cls).tearDownClass()
+
+    def test_deserialization_base(self):
+        """Check the following deserialization
+
+        * all CWEtype has name
+        * Final type
+        * CWUniqueTogetherConstraint
+        * _unique_together__ content"""
+        origshema = self.repo.schema
+        try:
+            self.repo.config.repairing = True # avoid versions checking
+            self.repo.set_schema(self.repo.deserialize_schema())
+            table = SQL_PREFIX + 'CWEType'
+            namecol = SQL_PREFIX + 'name'
+            finalcol = SQL_PREFIX + 'final'
+            with self.admin_access.repo_cnx() as cnx:
+                cu = cnx.system_sql('SELECT %s FROM %s WHERE %s is NULL'
+                                    % (namecol, table, finalcol))
+                self.assertEqual(cu.fetchall(), [])
+                cu = cnx.system_sql('SELECT %s FROM %s '
+                                    'WHERE %s=%%(final)s ORDER BY %s'
+                                    % (namecol, table, finalcol, namecol),
+                                    {'final': True})
+                self.assertEqual(cu.fetchall(),
+                                 [(u'BabarTestType',),
+                                  (u'BigInt',), (u'Boolean',), (u'Bytes',),
+                                  (u'Date',), (u'Datetime',),
+                                  (u'Decimal',),(u'Float',),
+                                  (u'Int',),
+                                  (u'Interval',), (u'Password',),
+                                  (u'String',),
+                                  (u'TZDatetime',), (u'TZTime',), (u'Time',)])
+                sql = ("SELECT etype.cw_eid, etype.cw_name, cstr.cw_eid, rel.eid_to "
+                       "FROM cw_CWUniqueTogetherConstraint as cstr, "
+                       "     relations_relation as rel, "
+                       "     cw_CWEType as etype "
+                       "WHERE cstr.cw_eid = rel.eid_from "
+                       "  AND cstr.cw_constraint_of = etype.cw_eid "
+                       "  AND etype.cw_name = 'Personne' "
+                       ";")
+                cu = cnx.system_sql(sql)
+                rows = cu.fetchall()
+                self.assertEqual(len(rows), 3)
+                person = self.repo.schema.eschema('Personne')
+                self.assertEqual(len(person._unique_together), 1)
+                self.assertItemsEqual(person._unique_together[0],
+                                      ('nom', 'prenom', 'inline2'))
+
+        finally:
+            self.repo.set_schema(origshema)
+
+    def test_custom_attribute_param(self):
+        origshema = self.repo.schema
+        try:
+            self.repo.config.repairing = True # avoid versions checking
+            self.repo.set_schema(self.repo.deserialize_schema())
+            pes = self.repo.schema['Personne']
+            attr = pes.rdef('custom_field_of_jungle')
+            self.assertIn('jungle_speed', vars(attr))
+            self.assertEqual(42, attr.jungle_speed)
+        finally:
+            self.repo.set_schema(origshema)
+
+
+
+class DataHelpersTC(CubicWebTC):
+
+    def test_type_from_eid(self):
+        with self.admin_access.repo_cnx() as cnx:
+            self.assertEqual(self.repo.type_from_eid(2, cnx), 'CWGroup')
+
+    def test_type_from_eid_raise(self):
+        with self.admin_access.repo_cnx() as cnx:
+            self.assertRaises(UnknownEid, self.repo.type_from_eid, -2, cnx)
+
+    def test_add_delete_info(self):
+        with self.admin_access.repo_cnx() as cnx:
+            entity = self.repo.vreg['etypes'].etype_class('Personne')(cnx)
+            entity.eid = -1
+            entity.complete = lambda x: None
+            self.repo.add_info(cnx, entity, self.repo.system_source)
+            cu = cnx.system_sql('SELECT * FROM entities WHERE eid = -1')
+            data = cu.fetchall()
+            self.assertEqual(tuplify(data), [(-1, 'Personne', 'system', None)])
+            self.repo._delete_cascade_multi(cnx, [entity])
+            self.repo.system_source.delete_info_multi(cnx, [entity])
+            cu = cnx.system_sql('SELECT * FROM entities WHERE eid = -1')
+            data = cu.fetchall()
+            self.assertEqual(data, [])
+
+
+class FTITC(CubicWebTC):
+
+    def test_fulltext_container_entity(self):
+        with self.admin_access.repo_cnx() as cnx:
+            assert self.schema.rschema('use_email').fulltext_container == 'subject'
+            toto = cnx.create_entity('EmailAddress', address=u'toto@logilab.fr')
+            cnx.commit()
+            rset = cnx.execute('Any X WHERE X has_text %(t)s', {'t': 'toto'})
+            self.assertEqual(rset.rows, [])
+            cnx.user.cw_set(use_email=toto)
+            cnx.commit()
+            rset = cnx.execute('Any X WHERE X has_text %(t)s', {'t': 'toto'})
+            self.assertEqual(rset.rows, [[cnx.user.eid]])
+            cnx.execute('DELETE X use_email Y WHERE X login "admin", Y eid %(y)s',
+                        {'y': toto.eid})
+            cnx.commit()
+            rset = cnx.execute('Any X WHERE X has_text %(t)s', {'t': 'toto'})
+            self.assertEqual(rset.rows, [])
+            tutu = cnx.create_entity('EmailAddress', address=u'tutu@logilab.fr')
+            cnx.user.cw_set(use_email=tutu)
+            cnx.commit()
+            rset = cnx.execute('Any X WHERE X has_text %(t)s', {'t': 'tutu'})
+            self.assertEqual(rset.rows, [[cnx.user.eid]])
+            tutu.cw_set(address=u'hip@logilab.fr')
+            cnx.commit()
+            rset = cnx.execute('Any X WHERE X has_text %(t)s', {'t': 'tutu'})
+            self.assertEqual(rset.rows, [])
+            rset = cnx.execute('Any X WHERE X has_text %(t)s', {'t': 'hip'})
+            self.assertEqual(rset.rows, [[cnx.user.eid]])
+
+    def test_no_uncessary_ftiindex_op(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.create_entity('Workflow',
+                              name=u'dummy workflow',
+                              description=u'huuuuu')
+            self.assertFalse(any(x for x in cnx.pending_operations
+                                 if isinstance(x, native.FTIndexEntityOp)))
+
+
+class DBInitTC(CubicWebTC):
+
+    def test_versions_inserted(self):
+        with self.admin_access.repo_cnx() as cnx:
+            inserted = [r[0]
+                        for r in cnx.execute('Any K ORDERBY K '
+                                             'WHERE P pkey K, P pkey ~= "system.version.%"')]
+            self.assertEqual(inserted,
+                             [u'system.version.basket',
+                              u'system.version.card',
+                              u'system.version.comment',
+                              u'system.version.cubicweb',
+                              u'system.version.file',
+                              u'system.version.localperms',
+                              u'system.version.tag'])
+
+CALLED = []
+
+class InlineRelHooksTC(CubicWebTC):
+    """test relation hooks are called for inlined relations
+    """
+    def setUp(self):
+        CubicWebTC.setUp(self)
+        CALLED[:] = ()
+
+    def test_inline_relation(self):
+        """make sure <event>_relation hooks are called for inlined relation"""
+
+        class EcritParHook(hook.Hook):
+            __regid__ = 'inlinedrelhook'
+            __select__ = hook.Hook.__select__ & hook.match_rtype('ecrit_par')
+            events = ('before_add_relation', 'after_add_relation',
+                      'before_delete_relation', 'after_delete_relation')
+            def __call__(self):
+                CALLED.append((self.event, self.eidfrom, self.rtype, self.eidto))
+
+        with self.temporary_appobjects(EcritParHook):
+            with self.admin_access.repo_cnx() as cnx:
+                eidp = cnx.execute('INSERT Personne X: X nom "toto"')[0][0]
+                eidn = cnx.execute('INSERT Note X: X type "T"')[0][0]
+                cnx.execute('SET N ecrit_par Y WHERE N type "T", Y nom "toto"')
+                self.assertEqual(CALLED, [('before_add_relation', eidn, 'ecrit_par', eidp),
+                                          ('after_add_relation', eidn, 'ecrit_par', eidp)])
+                CALLED[:] = ()
+                cnx.execute('DELETE N ecrit_par Y WHERE N type "T", Y nom "toto"')
+                self.assertEqual(CALLED, [('before_delete_relation', eidn, 'ecrit_par', eidp),
+                                          ('after_delete_relation', eidn, 'ecrit_par', eidp)])
+                CALLED[:] = ()
+                eidn = cnx.execute('INSERT Note N: N ecrit_par P WHERE P nom "toto"')[0][0]
+                self.assertEqual(CALLED, [('before_add_relation', eidn, 'ecrit_par', eidp),
+                                          ('after_add_relation', eidn, 'ecrit_par', eidp)])
+
+    def test_unique_contraint(self):
+        with self.admin_access.repo_cnx() as cnx:
+            toto = cnx.create_entity('Personne', nom=u'toto')
+            a01 = cnx.create_entity('Affaire', ref=u'A01', todo_by=toto)
+            cnx.commit()
+            cnx.create_entity('Note', type=u'todo', inline1=a01)
+            cnx.commit()
+            cnx.create_entity('Note', type=u'todo', inline1=a01)
+            with self.assertRaises(ValidationError) as cm:
+                cnx.commit()
+            self.assertEqual(cm.exception.errors,
+                             {'inline1-subject': u'RQLUniqueConstraint S type T, S inline1 A1, '
+                              'A1 todo_by C, Y type T, Y inline1 A2, A2 todo_by C failed'})
+
+    def test_add_relations_at_creation_with_del_existing_rel(self):
+        with self.admin_access.repo_cnx() as cnx:
+            person = cnx.create_entity('Personne',
+                                       nom=u'Toto',
+                                       prenom=u'Lanturlu',
+                                       sexe=u'M')
+            users_rql = 'Any U WHERE U is CWGroup, U name "users"'
+            users = cnx.execute(users_rql).get_entity(0, 0)
+            cnx.create_entity('CWUser',
+                              login=u'Toto',
+                              upassword=u'firstname',
+                              firstname=u'firstname',
+                              surname=u'surname',
+                              reverse_login_user=person,
+                              in_group=users)
+            cnx.commit()
+
+
+class PerformanceTest(CubicWebTC):
+    def setUp(self):
+        super(PerformanceTest, self).setUp()
+        logger = logging.getLogger('cubicweb.session')
+        #logger.handlers = [logging.StreamHandler(sys.stdout)]
+        logger.setLevel(logging.INFO)
+        self.info = logger.info
+
+    def tearDown(self):
+        super(PerformanceTest, self).tearDown()
+        logger = logging.getLogger('cubicweb.session')
+        logger.setLevel(logging.CRITICAL)
+
+    def test_composite_deletion(self):
+        with self.admin_access.repo_cnx() as cnx:
+            personnes = []
+            t0 = time.time()
+            for i in range(2000):
+                p = cnx.create_entity('Personne', nom=u'Doe%03d'%i, prenom=u'John', sexe=u'M')
+                personnes.append(p)
+            abraham = cnx.create_entity('Personne', nom=u'Abraham', prenom=u'John', sexe=u'M')
+            for j in range(0, 2000, 100):
+                abraham.cw_set(personne_composite=personnes[j:j+100])
+            t1 = time.time()
+            self.info('creation: %.2gs', (t1 - t0))
+            cnx.commit()
+            t2 = time.time()
+            self.info('commit creation: %.2gs', (t2 - t1))
+            cnx.execute('DELETE Personne P WHERE P eid %(eid)s', {'eid': abraham.eid})
+            t3 = time.time()
+            self.info('deletion: %.2gs', (t3 - t2))
+            cnx.commit()
+            t4 = time.time()
+            self.info("commit deletion: %2gs", (t4 - t3))
+
+    def test_add_relation_non_inlined(self):
+        with self.admin_access.repo_cnx() as cnx:
+            personnes = []
+            for i in range(2000):
+                p = cnx.create_entity('Personne', nom=u'Doe%03d'%i, prenom=u'John', sexe=u'M')
+                personnes.append(p)
+            cnx.commit()
+            t0 = time.time()
+            abraham = cnx.create_entity('Personne', nom=u'Abraham', prenom=u'John', sexe=u'M',
+                                        personne_composite=personnes[:100])
+            t1 = time.time()
+            self.info('creation: %.2gs', (t1 - t0))
+            for j in range(100, 2000, 100):
+                abraham.cw_set(personne_composite=personnes[j:j+100])
+            t2 = time.time()
+            self.info('more relations: %.2gs', (t2-t1))
+            cnx.commit()
+            t3 = time.time()
+            self.info('commit creation: %.2gs', (t3 - t2))
+
+    def test_add_relation_inlined(self):
+        with self.admin_access.repo_cnx() as cnx:
+            personnes = []
+            for i in range(2000):
+                p = cnx.create_entity('Personne', nom=u'Doe%03d'%i, prenom=u'John', sexe=u'M')
+                personnes.append(p)
+            cnx.commit()
+            t0 = time.time()
+            abraham = cnx.create_entity('Personne', nom=u'Abraham', prenom=u'John', sexe=u'M',
+                                        personne_inlined=personnes[:100])
+            t1 = time.time()
+            self.info('creation: %.2gs', (t1 - t0))
+            for j in range(100, 2000, 100):
+                abraham.cw_set(personne_inlined=personnes[j:j+100])
+            t2 = time.time()
+            self.info('more relations: %.2gs', (t2-t1))
+            cnx.commit()
+            t3 = time.time()
+            self.info('commit creation: %.2gs', (t3 - t2))
+
+
+    def test_session_add_relation(self):
+        """ to be compared with test_session_add_relations"""
+        with self.admin_access.repo_cnx() as cnx:
+            personnes = []
+            for i in range(2000):
+                p = cnx.create_entity('Personne', nom=u'Doe%03d'%i, prenom=u'John', sexe=u'M')
+                personnes.append(p)
+            abraham = cnx.create_entity('Personne', nom=u'Abraham', prenom=u'John', sexe=u'M')
+            cnx.commit()
+            t0 = time.time()
+            add_relation = cnx.add_relation
+            for p in personnes:
+                add_relation(abraham.eid, 'personne_composite', p.eid)
+            cnx.commit()
+            t1 = time.time()
+            self.info('add relation: %.2gs', t1-t0)
+
+    def test_session_add_relations (self):
+        """ to be compared with test_session_add_relation"""
+        with self.admin_access.repo_cnx() as cnx:
+            personnes = []
+            for i in range(2000):
+                p = cnx.create_entity('Personne', nom=u'Doe%03d'%i, prenom=u'John', sexe=u'M')
+                personnes.append(p)
+            abraham = cnx.create_entity('Personne', nom=u'Abraham', prenom=u'John', sexe=u'M')
+            cnx.commit()
+            t0 = time.time()
+            add_relations = cnx.add_relations
+            relations = [('personne_composite', [(abraham.eid, p.eid) for p in personnes])]
+            add_relations(relations)
+            cnx.commit()
+            t1 = time.time()
+            self.info('add relations: %.2gs', t1-t0)
+
+    def test_session_add_relation_inlined(self):
+        """ to be compared with test_session_add_relations"""
+        with self.admin_access.repo_cnx() as cnx:
+            personnes = []
+            for i in range(2000):
+                p = cnx.create_entity('Personne', nom=u'Doe%03d'%i, prenom=u'John', sexe=u'M')
+                personnes.append(p)
+            abraham = cnx.create_entity('Personne', nom=u'Abraham', prenom=u'John', sexe=u'M')
+            cnx.commit()
+            t0 = time.time()
+            add_relation = cnx.add_relation
+            for p in personnes:
+                add_relation(abraham.eid, 'personne_inlined', p.eid)
+            cnx.commit()
+            t1 = time.time()
+            self.info('add relation (inlined): %.2gs', t1-t0)
+
+    def test_session_add_relations_inlined (self):
+        """ to be compared with test_session_add_relation"""
+        with self.admin_access.repo_cnx() as cnx:
+            personnes = []
+            for i in range(2000):
+                p = cnx.create_entity('Personne', nom=u'Doe%03d'%i, prenom=u'John', sexe=u'M')
+                personnes.append(p)
+            abraham = cnx.create_entity('Personne', nom=u'Abraham', prenom=u'John', sexe=u'M')
+            cnx.commit()
+            t0 = time.time()
+            add_relations = cnx.add_relations
+            relations = [('personne_inlined', [(abraham.eid, p.eid) for p in personnes])]
+            add_relations(relations)
+            cnx.commit()
+            t1 = time.time()
+            self.info('add relations (inlined): %.2gs', t1-t0)
+
+    def test_optional_relation_reset_1(self):
+        with self.admin_access.repo_cnx() as cnx:
+            p1 = cnx.create_entity('Personne', nom=u'Vincent')
+            p2 = cnx.create_entity('Personne', nom=u'Florent')
+            w = cnx.create_entity('Affaire', ref=u'wc')
+            w.cw_set(todo_by=[p1,p2])
+            w.cw_clear_all_caches()
+            cnx.commit()
+            self.assertEqual(len(w.todo_by), 1)
+            self.assertEqual(w.todo_by[0].eid, p2.eid)
+
+    def test_optional_relation_reset_2(self):
+        with self.admin_access.repo_cnx() as cnx:
+            p1 = cnx.create_entity('Personne', nom=u'Vincent')
+            p2 = cnx.create_entity('Personne', nom=u'Florent')
+            w = cnx.create_entity('Affaire', ref=u'wc')
+            w.cw_set(todo_by=p1)
+            cnx.commit()
+            w.cw_set(todo_by=p2)
+            w.cw_clear_all_caches()
+            cnx.commit()
+            self.assertEqual(len(w.todo_by), 1)
+            self.assertEqual(w.todo_by[0].eid, p2.eid)
+
+
+if __name__ == '__main__':
+    from logilab.common.testlib import unittest_main
+    unittest_main()