Coverage for tests/test_configurableField.py: 25%
85 statements
« prev ^ index » next coverage.py v7.4.3, created at 2024-03-01 12:22 +0000
« prev ^ index » next coverage.py v7.4.3, created at 2024-03-01 12:22 +0000
1# This file is part of pex_config.
2#
3# Developed for the LSST Data Management System.
4# This product includes software developed by the LSST Project
5# (http://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 <http://www.gnu.org/licenses/>.
28import pickle
29import tempfile
30import unittest
32import lsst.pex.config as pexConf
35class Config1(pexConf.Config):
36 """First test config."""
38 f = pexConf.Field("f", dtype=float, default=5, check=lambda x: x > 0)
41class Target1:
42 """First target class."""
44 ConfigClass = Config1
46 def __init__(self, config):
47 self.f = config.f
50def Target2(config):
51 """Second target class."""
52 return config.f
55class Config2(pexConf.Config):
56 """Second test config."""
58 c1 = pexConf.ConfigurableField("c1", target=Target1)
59 c2 = pexConf.ConfigurableField("c2", target=Target2, ConfigClass=Config1, default=Config1(f=3))
62class ConfigurableFieldTest(unittest.TestCase):
63 """Test of ConfigurableField."""
65 def testConstructor(self):
66 try:
68 class BadTarget(pexConf.Config):
69 d = pexConf.ConfigurableField("...", target=None)
71 except Exception:
72 pass
73 else:
74 raise SyntaxError("Uncallable targets should not be allowed")
76 try:
78 class NoConfigClass(pexConf.Config):
79 d = pexConf.ConfigurableField("...", target=Target2)
81 except Exception:
82 pass
83 else:
84 raise SyntaxError("Missing ConfigClass should not be allowed")
86 try:
88 class BadConfigClass(pexConf.Config):
89 d = pexConf.DictField("...", target=Target2, ConfigClass=Target2)
91 except Exception:
92 pass
93 else:
94 raise SyntaxError("ConfigClass that are not subclasses of Config should not be allowed")
96 def testBasics(self):
97 c = Config2()
98 self.assertEqual(c.c1.f, 5)
99 self.assertEqual(c.c2.f, 3)
101 self.assertEqual(type(c.c1.apply()), Target1)
102 self.assertEqual(c.c1.apply().f, 5)
103 self.assertEqual(c.c2.apply(), 3)
105 c.c2.retarget(Target1)
106 self.assertEqual(c.c2.f, 3)
107 self.assertEqual(type(c.c2.apply()), Target1)
108 self.assertEqual(c.c2.apply().f, 3)
110 c.c1.f = 2
111 self.assertEqual(c.c1.f, 2)
112 self.assertRaises(pexConf.FieldValidationError, setattr, c.c1, "f", 0)
114 c.c1 = Config1(f=10)
115 self.assertEqual(c.c1.f, 10)
117 c.c1 = Config1
118 self.assertEqual(c.c1.f, 5)
120 f = Config2(**dict(c.items()))
121 self.assertEqual(f.c1.f, c.c1.f)
122 self.assertEqual(f.c1.target, c.c1.target)
123 self.assertEqual(f.c2.target, c.c2.target)
124 self.assertEqual(f.c2.f, c.c2.f)
126 c.c2.f = 1
127 c.c1.f = 100
128 f.update(**dict(c.items()))
129 self.assertEqual(f.c1.f, c.c1.f)
130 self.assertEqual(f.c1.target, c.c1.target)
131 self.assertEqual(f.c2.target, c.c2.target)
132 self.assertEqual(f.c2.f, c.c2.f)
134 def testValidate(self):
135 c = Config2()
136 self.assertRaises(pexConf.FieldValidationError, setattr, c.c1, "f", 0)
138 c.validate()
140 def testPersistence(self):
141 c = Config2()
142 c.c2.retarget(Target1)
143 c.c2.f = 10
145 with tempfile.NamedTemporaryFile(suffix=".py", prefix="test-config-field-") as tmp:
146 c.save(tmp.name)
148 r = Config2()
149 r.load(tmp.name)
151 self.assertEqual(c.c2.f, r.c2.f)
152 self.assertEqual(c.c2.target, r.c2.target)
154 def testNoPickle(self):
155 """Test that pickle support is disabled for the proxy container."""
156 c = Config2()
157 with self.assertRaises(pexConf.UnexpectedProxyUsageError):
158 pickle.dumps(c.c2)
161if __name__ == "__main__": 161 ↛ 162line 161 didn't jump to line 162, because the condition on line 161 was never true
162 unittest.main()