cubicweb/dataimport/test/test_csv.py
author Denis Laxalde <denis.laxalde@logilab.fr>
Fri, 05 Apr 2019 17:58:19 +0200
changeset 12567 26744ad37953
parent 11057 0b59724cb3f2
permissions -rw-r--r--
Drop python2 support This mostly consists in removing the dependency on "six" and updating the code to use only Python3 idioms. Notice that we previously used TemporaryDirectory from cubicweb.devtools.testlib for compatibility with Python2. We now directly import it from tempfile.

# 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()