Coverage for tests/test_ConvexPolygon.py : 27%

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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
24try:
25 import yaml
26except ImportError:
27 yaml = None
29import unittest
31from lsst.sphgeom import CONTAINS, ConvexPolygon, Circle, Region, UnitVector3d
34class ConvexPolygonTestCase(unittest.TestCase):
36 def testConstruction(self):
37 points = [UnitVector3d.Z(), UnitVector3d.X(), UnitVector3d.Y()]
38 p1 = ConvexPolygon(points)
39 self.assertEqual(points, p1.getVertices())
40 p2 = p1.clone()
41 self.assertEqual(p1, p2)
42 p3 = ConvexPolygon([-UnitVector3d.Z(),
43 UnitVector3d.X(),
44 UnitVector3d.Y()])
45 self.assertNotEqual(p1, p3)
46 p4 = ConvexPolygon.convexHull([UnitVector3d.Y(),
47 UnitVector3d.X(),
48 UnitVector3d(1, 1, 1),
49 UnitVector3d.Z()])
50 self.assertEqual(p1, p4)
52 def testCodec(self):
53 p = ConvexPolygon([UnitVector3d.Z(),
54 UnitVector3d.X(),
55 UnitVector3d.Y()])
56 s = p.encode()
57 self.assertEqual(ConvexPolygon.decode(s), p)
58 self.assertEqual(Region.decode(s), p)
60 def testRelationships(self):
61 p = ConvexPolygon([UnitVector3d.Z(),
62 UnitVector3d.X(),
63 UnitVector3d.Y()])
64 self.assertTrue(p.contains(p.getCentroid()))
65 boundingCircle = p.getBoundingCircle()
66 self.assertEqual(boundingCircle.relate(p), CONTAINS)
67 self.assertTrue(p.isWithin(boundingCircle))
68 self.assertTrue(p.intersects(boundingCircle))
69 self.assertFalse(p.isDisjointFrom(boundingCircle))
70 self.assertFalse(p.contains(boundingCircle))
71 tinyCircle = Circle(boundingCircle.getCenter())
72 self.assertFalse(p.isWithin(tinyCircle))
73 self.assertTrue(p.intersects(tinyCircle))
74 self.assertFalse(p.isDisjointFrom(tinyCircle))
75 self.assertTrue(p.contains(tinyCircle))
77 def testString(self):
78 p = ConvexPolygon([UnitVector3d.Z(),
79 UnitVector3d.X(),
80 UnitVector3d.Y()])
81 self.assertEqual(str(p), repr(p))
82 self.assertEqual(repr(p),
83 'ConvexPolygon([UnitVector3d(0.0, 0.0, 1.0), '
84 'UnitVector3d(1.0, 0.0, 0.0), '
85 'UnitVector3d(0.0, 1.0, 0.0)])')
86 self.assertEqual(
87 p, eval(repr(p), dict(ConvexPolygon=ConvexPolygon,
88 UnitVector3d=UnitVector3d)))
90 def testPickle(self):
91 a = ConvexPolygon([UnitVector3d.Z(),
92 UnitVector3d.X(),
93 UnitVector3d.Y()])
94 b = pickle.loads(pickle.dumps(a, pickle.HIGHEST_PROTOCOL))
95 self.assertEqual(a, b)
97 @unittest.skipIf(not yaml, "YAML module can not be imported")
98 def testYaml(self):
99 a = ConvexPolygon([UnitVector3d.Z(),
100 UnitVector3d.X(),
101 UnitVector3d.Y()])
102 b = yaml.safe_load(yaml.dump(a))
103 self.assertEqual(a, b)
106if __name__ == '__main__': 106 ↛ 107line 106 didn't jump to line 107, because the condition on line 106 was never true
107 unittest.main()