dataimport/test/test_csv.py
author Julien Cristau <julien.cristau@logilab.fr>
Mon, 09 Nov 2015 15:22:43 +0100
changeset 10869 575982c948a9
parent 10619 444b1df7b4cb
permissions -rw-r--r--
[dataimport] remove drop_index parameter from massive store "drop_index=False" also implied not dropping any constraints, in particular foreign keys, which meant any attempt to import entities would fail, because we only add metadata (the entities table) after the entity's insertion.

# 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.csv"""

from io import BytesIO

from logilab.common.testlib import TestCase, unittest_main

from cubicweb.dataimport import csv


class UcsvreaderTC(TestCase):

    def test_empty_lines_skipped(self):
        stream = BytesIO(b'''a,b,c,d,
1,2,3,4,
,,,,
,,,,
''')
        self.assertEqual([[u'a', u'b', u'c', u'd', u''],
                          [u'1', u'2', u'3', u'4', u''],
                          ],
                         list(csv.ucsvreader(stream)))
        stream.seek(0)
        self.assertEqual([[u'a', u'b', u'c', u'd', u''],
                          [u'1', u'2', u'3', u'4', u''],
                          [u'', u'', u'', u'', u''],
                          [u'', u'', u'', u'', u'']
                          ],
                         list(csv.ucsvreader(stream, skip_empty=False)))

    def test_skip_first(self):
        stream = BytesIO(b'a,b,c,d,\n1,2,3,4,\n')
        reader = csv.ucsvreader(stream, skipfirst=True, ignore_errors=True)
        self.assertEqual(list(reader),
                         [[u'1', u'2', u'3', u'4', u'']])

        stream.seek(0)
        reader = csv.ucsvreader(stream, skipfirst=True, ignore_errors=False)
        self.assertEqual(list(reader),
                         [[u'1', u'2', u'3', u'4', u'']])

        stream.seek(0)
        reader = csv.ucsvreader(stream, skipfirst=False, ignore_errors=True)
        self.assertEqual(list(reader),
                         [[u'a', u'b', u'c', u'd', u''],
                          [u'1', u'2', u'3', u'4', u'']])

        stream.seek(0)
        reader = csv.ucsvreader(stream, skipfirst=False, ignore_errors=False)
        self.assertEqual(list(reader),
                         [[u'a', u'b', u'c', u'd', u''],
                          [u'1', u'2', u'3', u'4', u'']])


if __name__ == '__main__':
    unittest_main()