diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/dataimport/test/test_pgstore.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/dataimport/test/test_pgstore.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,106 @@
+# coding: utf-8
+# 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.pgstore"""
+
+import datetime as DT
+
+from six import PY2
+from logilab.common.testlib import TestCase, unittest_main
+
+from cubicweb.dataimport import pgstore
+from cubicweb.devtools import testlib
+
+
+class CreateCopyFromBufferTC(TestCase):
+
+    # test converters
+
+    def test_convert_none(self):
+        cnvt = pgstore._copyfrom_buffer_convert_None
+        self.assertEqual(u'NULL', cnvt(None))
+
+    def test_convert_number(self):
+        cnvt = pgstore._copyfrom_buffer_convert_number
+        self.assertEqual(u'42', cnvt(42))
+        if PY2:
+            self.assertEqual(u'42', cnvt(long(42)))
+        self.assertEqual(u'42.42', cnvt(42.42))
+
+    def test_convert_string(self):
+        cnvt = pgstore._copyfrom_buffer_convert_string
+        # simple
+        self.assertEqual(u'babar', cnvt('babar'))
+        # unicode
+        self.assertEqual(u'éléphant', cnvt(u'éléphant'))
+        # escaping
+        self.assertEqual(u'babar\\tceleste\\n', cnvt(u'babar\tceleste\n'))
+        self.assertEqual(u'C:\\\\new\\tC:\\\\test', cnvt(u'C:\\new\tC:\\test'))
+
+    def test_convert_date(self):
+        cnvt = pgstore._copyfrom_buffer_convert_date
+        self.assertEqual('0666-01-13', cnvt(DT.date(666, 1, 13)))
+
+    def test_convert_time(self):
+        cnvt = pgstore._copyfrom_buffer_convert_time
+        self.assertEqual('06:06:06.000100', cnvt(DT.time(6, 6, 6, 100)))
+
+    def test_convert_datetime(self):
+        cnvt = pgstore._copyfrom_buffer_convert_datetime
+        self.assertEqual('0666-06-13 06:06:06.000000', cnvt(DT.datetime(666, 6, 13, 6, 6, 6)))
+
+    # test buffer
+    def test_create_copyfrom_buffer_tuple(self):
+        l = long if PY2 else int
+        data = ((42, l(42), 42.42, u'éléphant', DT.date(666, 1, 13), DT.time(6, 6, 6),
+                 DT.datetime(666, 6, 13, 6, 6, 6)),
+                (6, l(6), 6.6, u'babar', DT.date(2014, 1, 14), DT.time(4, 2, 1),
+                 DT.datetime(2014, 1, 1, 0, 0, 0)))
+        results = pgstore._create_copyfrom_buffer(data)
+        # all columns
+        expected = u'''42\t42\t42.42\téléphant\t0666-01-13\t06:06:06.000000\t0666-06-13 06:06:06.000000
+6\t6\t6.6\tbabar\t2014-01-14\t04:02:01.000000\t2014-01-01 00:00:00.000000'''
+        self.assertMultiLineEqual(expected, results.getvalue())
+        # selected columns
+        results = pgstore._create_copyfrom_buffer(data, columns=(1, 3, 6))
+        expected = u'''42\téléphant\t0666-06-13 06:06:06.000000
+6\tbabar\t2014-01-01 00:00:00.000000'''
+        self.assertMultiLineEqual(expected, results.getvalue())
+
+    def test_create_copyfrom_buffer_dict(self):
+        data = (dict(integer=42, double=42.42, text=u'éléphant',
+                     date=DT.datetime(666, 6, 13, 6, 6, 6)),
+                dict(integer=6, double=6.6, text=u'babar',
+                     date=DT.datetime(2014, 1, 1, 0, 0, 0)))
+        results = pgstore._create_copyfrom_buffer(data, ('integer', 'text'))
+        expected = u'''42\téléphant\n6\tbabar'''
+        self.assertEqual(expected, results.getvalue())
+
+
+class SQLGenObjectStoreTC(testlib.CubicWebTC):
+
+    def test_prepare_insert_entity(self):
+        with self.admin_access.repo_cnx() as cnx:
+            store = pgstore.SQLGenObjectStore(cnx)
+            eid = store.prepare_insert_entity('CWUser', login=u'toto',
+                                              upassword=u'pwd')
+            self.assertIsNotNone(eid)
+
+
+if __name__ == '__main__':
+    unittest_main()