Coverage for tests/test_nonempty_mapping.py: 27%
15 statements
« prev ^ index » next coverage.py v7.5.1, created at 2024-05-11 03:16 -0700
« prev ^ index » next coverage.py v7.5.1, created at 2024-05-11 03:16 -0700
1# This file is part of daf_butler.
2#
3# Developed for the LSST Data Management System.
4# This product includes software developed by the LSST Project
5# (https://www.lsst.org).
6# See the COPYRIGHT file at the top-level directory of this distribution
7# for details of code ownership.
8#
9# This software is dual licensed under the GNU General Public License and also
10# under a 3-clause BSD license. Recipients may choose which of these licenses
11# to use; please see the files gpl-3.0.txt and/or bsd_license.txt,
12# respectively. If you choose the GPL option then the following text applies
13# (but note that there is still no warranty even if you opt for BSD instead):
14#
15# This program is free software: you can redistribute it and/or modify
16# it under the terms of the GNU General Public License as published by
17# the Free Software Foundation, either version 3 of the License, or
18# (at your option) any later version.
19#
20# This program is distributed in the hope that it will be useful,
21# but WITHOUT ANY WARRANTY; without even the implied warranty of
22# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23# GNU General Public License for more details.
24#
25# You should have received a copy of the GNU General Public License
26# along with this program. If not, see <https://www.gnu.org/licenses/>.
29import unittest
31from lsst.daf.butler.nonempty_mapping import NonemptyMapping
34class NonemptyMappingTestCase(unittest.TestCase):
35 """Tests for `lsst.daf.butler.nonempty_mapping.NonemptyMapping`."""
37 def test_nonempty_mapping(self) -> None:
38 m = NonemptyMapping[str, list[int]](list)
39 m["one"].append(1)
40 m["zero"].extend([])
41 self.assertEqual(len(m), 1)
42 self.assertEqual(dict(m), {"one": [1]})
43 self.assertEqual(m["zero"], [])
44 self.assertIn("one", m)
45 self.assertNotIn("zero", m)
46 self.assertEqual(m.get("one"), [1])
47 self.assertEqual(m.get("zero"), None)
48 self.assertEqual(m.get("zero", 42), 42)
51if __name__ == "__main__":
52 unittest.main()