Coverage for tests/test_Mq3cPixelization.py: 18%
69 statements
« prev ^ index » next coverage.py v7.2.7, created at 2023-07-12 10:50 -0700
« prev ^ index » next coverage.py v7.2.7, created at 2023-07-12 10:50 -0700
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
25try:
26 import yaml
27except ImportError:
28 yaml = None
30import unittest
32from lsst.sphgeom import Angle, Circle, Mq3cPixelization, RangeSet, UnitVector3d
35class Mq3cPixelizationTestCase(unittest.TestCase):
36 """Test MQ3C pixelization."""
38 def test_construction(self):
39 with self.assertRaises(ValueError):
40 Mq3cPixelization(-1)
41 with self.assertRaises(ValueError):
42 Mq3cPixelization(Mq3cPixelization.MAX_LEVEL + 1)
43 m1 = Mq3cPixelization(0)
44 self.assertEqual(m1.getLevel(), 0)
45 m2 = Mq3cPixelization(1)
46 m3 = Mq3cPixelization(m2)
47 self.assertNotEqual(m1, m2)
48 self.assertEqual(m2, m3)
50 def test_indexing(self):
51 pixelization = Mq3cPixelization(1)
52 self.assertEqual(pixelization.index(UnitVector3d(0.5, -0.5, 1.0)), 53)
54 def test_level(self):
55 self.assertEqual(Mq3cPixelization.level(0), -1)
56 for level in range(Mq3cPixelization.MAX_LEVEL + 1):
57 for root in range(8, 10):
58 index = root * 4**level
59 self.assertEqual(Mq3cPixelization.level(index), -1)
60 for root in range(10, 16):
61 index = root * 4**level
62 self.assertEqual(Mq3cPixelization.level(index), level)
64 def test_envelope_and_interior(self):
65 pixelization = Mq3cPixelization(1)
66 c = Circle(UnitVector3d(1.0, -0.5, -0.5), Angle.fromDegrees(0.1))
67 rs = pixelization.envelope(c)
68 self.assertTrue(rs == RangeSet(44))
69 rs = pixelization.envelope(c, 1)
70 self.assertTrue(rs == RangeSet(44))
71 self.assertTrue(rs.isWithin(pixelization.universe()))
72 rs = pixelization.interior(c)
73 self.assertTrue(rs.empty())
75 def test_index_to_string(self):
76 strings = ["+X", "+Y", "+Z", "-X", "-Y", "-Z"]
77 for i in range(6):
78 s0 = strings[i]
79 components = [0.0] * 3
80 components[i % 3] = 1.0 if i < 3 else -1.0
81 v = UnitVector3d(*components)
82 f = Mq3cPixelization(0).index(v)
83 self.assertEqual(Mq3cPixelization.asString(f), s0)
84 self.assertEqual(Mq3cPixelization(0).toString(f), s0)
85 for j in range(4):
86 s1 = s0 + str(j)
87 self.assertEqual(Mq3cPixelization.asString(f * 4 + j), s1)
88 self.assertEqual(Mq3cPixelization(1).toString(f * 4 + j), s1)
90 def test_string(self):
91 p = Mq3cPixelization(3)
92 self.assertEqual(str(p), "Mq3cPixelization(3)")
93 self.assertEqual(str(p), repr(p))
94 self.assertEqual(p, eval(repr(p), {"Mq3cPixelization": Mq3cPixelization}))
96 def test_pickle(self):
97 a = Mq3cPixelization(20)
98 b = pickle.loads(pickle.dumps(a))
99 self.assertEqual(a, b)
101 @unittest.skipIf(not yaml, "YAML module can not be imported")
102 def test_yaml(self):
103 a = Mq3cPixelization(20)
104 b = yaml.safe_load(yaml.dump(a))
105 self.assertEqual(a, b)
108if __name__ == "__main__":
109 unittest.main()