Coverage for tests/test_listField.py: 22%
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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 unittest
30import lsst.pex.config as pexConfig
33def isSorted(theList):
34 if len(theList) <= 1:
35 return True
37 p = theList[0]
38 for x in theList[1:]:
39 if x < p:
40 return False
41 p = x
42 return True
45def isPositive(x):
46 return x > 0
49class Config1(pexConfig.Config):
50 l1 = pexConfig.ListField("l1", int, minLength=2, maxLength=5, default=[1, 2, 3], itemCheck=isPositive)
51 l2 = pexConfig.ListField("l2", int, length=3, default=[1, 2, 3], listCheck=isSorted, itemCheck=isPositive)
52 l3 = pexConfig.ListField("l3", int, length=3, default=None, optional=True, itemCheck=isPositive)
53 l4 = pexConfig.ListField("l4", int, length=3, default=None, itemCheck=isPositive)
56class Config2(pexConfig.Config):
57 lf = pexConfig.ListField("lf", float, default=[1, 2, 3])
58 ls = pexConfig.ListField("ls", str, default=["hi"])
61class ListFieldTest(unittest.TestCase):
62 def testConstructor(self):
63 try:
65 class BadDtype(pexConfig.Config):
66 ll = pexConfig.ListField("...", list)
68 except Exception:
69 pass
70 else:
71 raise SyntaxError("Unsupported dtype ListFields should not be allowed")
73 try:
75 class BadLengths(pexConfig.Config):
76 ll = pexConfig.ListField("...", int, minLength=4, maxLength=2)
78 except ValueError:
79 pass
80 else:
81 raise SyntaxError("minLnegth <= maxLength should not be allowed")
83 try:
85 class BadLength(pexConfig.Config):
86 ll = pexConfig.ListField("...", int, length=-1)
88 except Exception:
89 pass
90 else:
91 raise SyntaxError("negative length should not be allowed")
93 try:
95 class BadLength2(pexConfig.Config):
96 ll = pexConfig.ListField("...", int, maxLength=-1)
98 except Exception:
99 pass
100 else:
101 raise SyntaxError("negative max length should not be allowed")
103 def testAssignment(self):
104 c = Config1()
105 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l1", [1.2, 3, 4])
106 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l1", [-1, -2, -3])
107 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l1", [1, 2, 0])
108 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l1", [1, 2, None])
109 c.l1 = None
110 c.l1 = [1, 1]
111 c.l1 = [1, 1, 1]
112 c.l1 = [1, 1, 1, 1]
113 c.l1 = [1, 1, 1, 1, 1]
115 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l2", [1, 2, None])
116 c.l2 = None
117 c.l2 = [1, 2, 3]
119 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l3", [0, 3, 2])
120 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l3", [1, 2, None])
121 c.l3 = None
122 c.l3 = [1, 1, 1]
124 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l4", [0, 3, 2])
125 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l4", [1, 2, None])
126 c.l4 = None
127 c.l4 = [1, 1, 1]
129 def testValidate(self):
130 c = Config1()
131 self.assertRaises(pexConfig.FieldValidationError, Config1.validate, c)
133 c.l4 = [1, 2, 3]
134 c.validate()
136 def testInPlaceModification(self):
137 c = Config1()
138 self.assertRaises(pexConfig.FieldValidationError, c.l1.__setitem__, 2, 0)
139 c.l1[2] = 10
140 self.assertEqual(c.l1, [1, 2, 10])
141 self.assertEqual((1, 2, 10), c.l1)
143 c.l1.insert(2, 20)
144 self.assertEqual(c.l1, [1, 2, 20, 10])
145 c.l1.append(30)
146 self.assertEqual(c.l1, [1, 2, 20, 10, 30])
147 c.l1.extend([4, 5, 6])
148 self.assertEqual(c.l1, [1, 2, 20, 10, 30, 4, 5, 6])
150 def testCastAndTypes(self):
151 c = Config2()
152 self.assertEqual(c.lf, [1.0, 2.0, 3.0])
154 c.lf[2] = 10
155 self.assertEqual(c.lf, [1.0, 2.0, 10.0])
157 c.ls.append("foo")
158 self.assertEqual(c.ls, ["hi", "foo"])
160 def testNoArbitraryAttributes(self):
161 c = Config1()
162 self.assertRaises(pexConfig.FieldValidationError, setattr, c.l1, "should", "fail")
165if __name__ == "__main__": 165 ↛ 166line 165 didn't jump to line 166, because the condition on line 165 was never true
166 unittest.main()