diff -r 99bdd4bddd77 -r 7bec01a59f92 dataimport/test/test_stores.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dataimport/test/test_stores.py	Fri Jun 26 11:15:25 2015 +0200
@@ -0,0 +1,88 @@
+# copyright 2003-2015 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
+
+from cubicweb.dataimport import stores
+from cubicweb.devtools.testlib import CubicWebTC
+
+
+class RQLObjectStoreTC(CubicWebTC):
+
+    def test_all(self):
+        with self.admin_access.repo_cnx() as cnx:
+            store = stores.RQLObjectStore(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:
+            metagen = stores.MetaGenerator(cnx)
+            self.assertIn('created_by', metagen.etype_rels)
+            self.assertIn('owned_by', metagen.etype_rels)
+        with self.repo.internal_cnx() as cnx:
+            metagen = stores.MetaGenerator(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:
+            metagen = stores.MetaGenerator(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__':
+    from logilab.common.testlib import unittest_main
+    unittest_main()