Coverage for tests/test_NormalizedAngle.py: 22%
46 statements
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« prev ^ index » next coverage.py v7.5.0, created at 2024-05-02 03:12 -0700
1# This file is part of sphgeom.
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 unittest
31from lsst.sphgeom import Angle, LonLat, NormalizedAngle, UnitVector3d
34class NormalizedAngleTestCase(unittest.TestCase):
35 """Test normalized angle."""
37 def testConstruction(self):
38 a1 = NormalizedAngle(1.0)
39 a2 = NormalizedAngle.fromRadians(1.0)
40 a3 = NormalizedAngle.fromDegrees(57.29577951308232)
41 self.assertEqual(a1, a2)
42 self.assertEqual(a1.asRadians(), 1.0)
43 self.assertEqual(a1, a3)
44 self.assertEqual(a1.asDegrees(), 57.29577951308232)
45 self.assertEqual(NormalizedAngle.between(NormalizedAngle(0), NormalizedAngle(1)), NormalizedAngle(1))
46 a = NormalizedAngle.center(NormalizedAngle(0), NormalizedAngle(1))
47 self.assertAlmostEqual(a.asRadians(), 0.5, places=15)
48 a = NormalizedAngle(LonLat.fromDegrees(45, 0), LonLat.fromDegrees(90, 0))
49 self.assertAlmostEqual(a.asDegrees(), 45.0, places=13)
50 a = NormalizedAngle(UnitVector3d.Y(), UnitVector3d.Z())
51 self.assertAlmostEqual(a.asDegrees(), 90.0, places=13)
53 def testComparisonOperators(self):
54 a1 = NormalizedAngle(1)
55 a2 = NormalizedAngle(2)
56 self.assertNotEqual(a1, a2)
57 self.assertLess(a1, a2)
58 self.assertLessEqual(a1, a2)
59 self.assertGreater(a2, a1)
60 self.assertGreaterEqual(a2, a1)
62 def testArithmeticOperators(self):
63 a = NormalizedAngle(1)
64 b = -a
65 self.assertEqual(a + b, Angle(0))
66 self.assertEqual(a - b, 2.0 * a)
67 self.assertEqual(a - b, a * 2.0)
68 self.assertEqual(a / 1.0, a)
69 self.assertEqual(a / a, 1.0)
71 def testAngleTo(self):
72 self.assertEqual(NormalizedAngle(1).getAngleTo(NormalizedAngle(2)), NormalizedAngle(1))
74 def testString(self):
75 self.assertEqual(str(NormalizedAngle(1)), "1.0")
76 self.assertEqual(repr(NormalizedAngle(1)), "NormalizedAngle(1.0)")
77 a = NormalizedAngle(0.5)
78 self.assertEqual(a, eval(repr(a), {"NormalizedAngle": NormalizedAngle}))
80 def testPickle(self):
81 a = NormalizedAngle(1.5)
82 b = pickle.loads(pickle.dumps(a))
83 self.assertEqual(a, b)
86if __name__ == "__main__":
87 unittest.main()