Coverage for tests/test_Q3cPixelization.py: 25%
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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 Angle, Circle, Q3cPixelization, RangeSet, UnitVector3d, ConvexPolygon
34class Q3cPixelizationTestCase(unittest.TestCase):
36 def test_construction(self):
37 with self.assertRaises(ValueError):
38 Q3cPixelization(-1)
39 with self.assertRaises(ValueError):
40 Q3cPixelization(Q3cPixelization.MAX_LEVEL + 1)
41 q1 = Q3cPixelization(0)
42 self.assertEqual(q1.getLevel(), 0)
43 q2 = Q3cPixelization(1)
44 q3 = Q3cPixelization(q2)
45 self.assertNotEqual(q1, q2)
46 self.assertEqual(q2, q3)
48 def test_indexing(self):
49 pixelization = Q3cPixelization(1)
50 self.assertEqual(pixelization.index(UnitVector3d(0.5, -0.5, 1.0)), 0)
52 def test_pixel(self):
53 h = Q3cPixelization(1)
54 self.assertIsInstance(h.pixel(10), ConvexPolygon)
56 def test_envelope_and_interior(self):
57 pixelization = Q3cPixelization(1)
58 c = Circle(UnitVector3d(1.0, -0.5, -0.5), Angle.fromDegrees(0.1))
59 rs = pixelization.envelope(c)
60 self.assertTrue(rs == RangeSet(4))
61 rs = pixelization.envelope(c, 1)
62 self.assertTrue(rs == RangeSet(4))
63 self.assertTrue(rs.isWithin(pixelization.universe()))
64 rs = pixelization.interior(c)
65 self.assertTrue(rs.empty())
67 def test_index_to_string(self):
68 strings = ['+X', '+Y', '+Z', '-X', '-Y', '-Z']
69 for i in range(6):
70 s = strings[i]
71 components = [0.0]*3
72 components[i % 3] = 1.0 if i < 3 else -1.0
73 v = UnitVector3d(*components)
74 f = Q3cPixelization(0).index(v)
75 self.assertEqual(Q3cPixelization(0).toString(f), s)
76 for j in range(4):
77 self.assertEqual(Q3cPixelization(1).toString(f*4 + j),
78 s + str(j))
80 def test_string(self):
81 p = Q3cPixelization(3)
82 self.assertEqual(str(p), 'Q3cPixelization(3)')
83 self.assertEqual(str(p), repr(p))
84 self.assertEqual(
85 p, eval(repr(p), dict(Q3cPixelization=Q3cPixelization)))
87 def test_pickle(self):
88 a = Q3cPixelization(20)
89 b = pickle.loads(pickle.dumps(a))
90 self.assertEqual(a, b)
92 @unittest.skipIf(not yaml, "YAML module can not be imported")
93 def test_yaml(self):
94 a = Q3cPixelization(20)
95 b = yaml.safe_load(yaml.dump(a))
96 self.assertEqual(a, b)
99if __name__ == '__main__': 99 ↛ 100line 99 didn't jump to line 100, because the condition on line 99 was never true
100 unittest.main()