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test_functions.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2015 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio 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
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""Unit tests for testing Jsonext's functions."""
from invenio.testsuite import make_test_suite, run_test_suite, InvenioTestCase
from .test_bases import field_definitions, model_definitions, \
clean_field_model_definitions
from ..jsonext.functions.to_int import to_int
class TestToInt(InvenioTestCase):
"""Tests for ``to_int`` function."""
def setUp(self):
"""Prepare the JSONAlchemy input."""
clean_field_model_definitions()
self.app.extensions['registry'][
'testsuite.fields'] = field_definitions()
self.app.extensions['registry'][
'testsuite.models'] = model_definitions()
def tearDown(self):
"""Clean the JSONAlchemy input."""
clean_field_model_definitions()
del self.app.extensions['registry']['testsuite.fields']
del self.app.extensions['registry']['testsuite.models']
def test_toint_results(self):
"""Test ``to_int`` function itself."""
self.assertIsNone(to_int(None))
self.assertEqual(to_int("-1"), -1)
def test_jsonalchemy_toint_usage(self):
"""Test the usage of ``to_int`` function in real life example.
The ``test_toint`` model contains a field which contains an integer
subfield. Whenever the record is obtained from ``MARCXML``, the
string in mentioned subfield has to be converted to an integer.
However, JSONAlchemy fills every absent subfield with a ``None`` value.
If the record is not provided with the integer subfield and the
built-in ``int`` function is used, the code will crash.
The ``to_int`` function used inside definition of ``test_toint`` field
prevents it. Here the unprovided subfield is ``999__a``.
"""
xml = '<collection><record><datafield tag="999" ind1="" ind2= "">' \
'<subfield code="b">Value</subfield></datafield></record>' \
'</collection>'
from invenio.modules.records.api import Record
simple_record = Record.create(xml, master_format='marc',
model="test_toint",
namespace='testsuite')
self.assertEqual(len(simple_record.__dict__['_dict']['__meta_metadata__']['__errors__']), 0)
# Check if it works when the value is provided.
xml = '<collection><record><datafield tag="999" ind1="" ind2= "">' \
'<subfield code="a">9999</subfield>' \
'<subfield code="b">Value</subfield></datafield></record>' \
'</collection>'
simple_record = Record.create(xml, master_format='marc',
model="test_toint",
namespace='testsuite')
self.assertEqual(simple_record['with_integers'][0]['some_int'], 9999)
TEST_SUITE = make_test_suite(TestToInt)
if __name__ == '__main__':
run_test_suite(TEST_SUITE)

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