Coverage for tests/test_Ellipse.py : 24%

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1#
2# LSST Data Management System
3# See COPYRIGHT file at the top of the source tree.
4#
5# This product includes software developed by the
6# LSST Project (http://www.lsst.org/).
7#
8# This program is free software: you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation, either version 3 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the LSST License Statement and
19# the GNU General Public License along with this program. If not,
20# see <https://www.lsstcorp.org/LegalNotices/>.
21#
23import pickle
25import math
26import unittest
28from lsst.sphgeom import (Angle, CONTAINS, Circle, Ellipse, Region,
29 UnitVector3d, WITHIN)
32class EllipseTestCase(unittest.TestCase):
34 def test_construction(self):
35 self.assertTrue(Ellipse.empty().isEmpty())
36 self.assertTrue(Ellipse().isEmpty())
37 self.assertTrue(Ellipse.full().isFull())
38 e = Ellipse(Circle(UnitVector3d.X(), Angle(math.pi / 2)))
39 f = Ellipse(UnitVector3d.X(), Angle(math.pi / 2))
40 self.assertEqual(e, f)
41 self.assertEqual(e.getAlpha(), e.getBeta())
42 self.assertTrue(e.isCircle())
43 self.assertTrue(e.isGreatCircle())
44 g = Ellipse(e)
45 h = e.clone()
46 self.assertEqual(e, g)
47 self.assertEqual(g, h)
48 self.assertNotEqual(id(e), id(g))
49 self.assertNotEqual(id(g), id(h))
51 def test_comparison_operators(self):
52 e = Ellipse(UnitVector3d.X(), UnitVector3d.Y(), Angle(2 * math.pi / 3))
53 f = Ellipse(UnitVector3d.X(),
54 Angle(math.pi / 3), Angle(math.pi / 6), Angle(0))
55 self.assertEqual(e, e)
56 self.assertNotEqual(e, f)
58 def test_center_and_dimensions(self):
59 e = Ellipse(UnitVector3d.X(), UnitVector3d.Y(), Angle(2 * math.pi / 3))
60 self.assertAlmostEqual(e.getF1().dot(UnitVector3d.X()), 1.0)
61 self.assertAlmostEqual(e.getF2().dot(UnitVector3d.Y()), 1.0)
62 self.assertAlmostEqual(e.getAlpha(), Angle(2 * math.pi / 3))
63 f = Ellipse(UnitVector3d.X(),
64 Angle(math.pi / 3), Angle(math.pi / 6), Angle(0))
65 self.assertEqual(f.getCenter(), UnitVector3d.X())
67 def test_relationships(self):
68 e = Ellipse(UnitVector3d.X(),
69 Angle(math.pi / 3), Angle(math.pi / 6), Angle(0))
70 self.assertTrue(e.contains(UnitVector3d.X()))
71 self.assertTrue(UnitVector3d.X() in e)
72 c = Circle(UnitVector3d.X(), Angle(math.pi / 2))
73 self.assertEqual(c.relate(e), CONTAINS)
74 self.assertEqual(e.relate(c), WITHIN)
76 def test_complement(self):
77 e = Ellipse(UnitVector3d.X(),
78 Angle(math.pi / 3), Angle(math.pi / 6), Angle(0))
79 f = e.complemented().complement()
80 self.assertEqual(e, f)
82 def test_codec(self):
83 e = Ellipse(UnitVector3d.X(), UnitVector3d.Y(), Angle(2 * math.pi / 3))
84 s = e.encode()
85 self.assertEqual(Ellipse.decode(s), e)
86 self.assertEqual(Region.decode(s), e)
88 def test_string(self):
89 c = Ellipse(UnitVector3d.Z(), Angle(1.0))
90 self.assertEqual(str(c),
91 'Ellipse([0.0, 0.0, 1.0], [0.0, 0.0, 1.0], 1.0)')
92 self.assertEqual(repr(c),
93 'Ellipse(UnitVector3d(0.0, 0.0, 1.0), '
94 'UnitVector3d(0.0, 0.0, 1.0), Angle(1.0))')
95 self.assertEqual(c, eval(repr(c), dict(
96 Angle=Angle, Ellipse=Ellipse, UnitVector3d=UnitVector3d)))
98 def test_pickle(self):
99 a = Ellipse(UnitVector3d.X(), UnitVector3d.Y(), Angle(2 * math.pi / 3))
100 b = pickle.loads(pickle.dumps(a, pickle.HIGHEST_PROTOCOL))
101 self.assertEqual(a, b)
104if __name__ == '__main__': 104 ↛ 105line 104 didn't jump to line 105, because the condition on line 104 was never true
105 unittest.main()