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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# 

22 

23import pickle 

24import yaml 

25import unittest 

26 

27from lsst.sphgeom import Angle, Circle, Q3cPixelization, RangeSet, UnitVector3d 

28 

29 

30class Q3cPixelizationTestCase(unittest.TestCase): 

31 

32 def test_construction(self): 

33 with self.assertRaises(ValueError): 

34 Q3cPixelization(-1) 

35 with self.assertRaises(ValueError): 

36 Q3cPixelization(Q3cPixelization.MAX_LEVEL + 1) 

37 q1 = Q3cPixelization(0) 

38 self.assertEqual(q1.getLevel(), 0) 

39 q2 = Q3cPixelization(1) 

40 q3 = Q3cPixelization(q2) 

41 self.assertNotEqual(q1, q2) 

42 self.assertEqual(q2, q3) 

43 

44 def test_indexing(self): 

45 pixelization = Q3cPixelization(1) 

46 self.assertEqual(pixelization.index(UnitVector3d(0.5, -0.5, 1.0)), 0) 

47 

48 def test_envelope_and_interior(self): 

49 pixelization = Q3cPixelization(1) 

50 c = Circle(UnitVector3d(1.0, -0.5, -0.5), Angle.fromDegrees(0.1)) 

51 rs = pixelization.envelope(c) 

52 self.assertTrue(rs == RangeSet(4)) 

53 rs = pixelization.envelope(c, 1) 

54 self.assertTrue(rs == RangeSet(4)) 

55 self.assertTrue(rs.isWithin(pixelization.universe())) 

56 rs = pixelization.interior(c) 

57 self.assertTrue(rs.empty()) 

58 

59 def test_index_to_string(self): 

60 strings = ['+X', '+Y', '+Z', '-X', '-Y', '-Z'] 

61 for i in range(6): 

62 s = strings[i] 

63 components = [0.0]*3 

64 components[i % 3] = 1.0 if i < 3 else -1.0 

65 v = UnitVector3d(*components) 

66 f = Q3cPixelization(0).index(v) 

67 self.assertEqual(Q3cPixelization(0).toString(f), s) 

68 for j in range(4): 

69 self.assertEqual(Q3cPixelization(1).toString(f*4 + j), 

70 s + str(j)) 

71 

72 def test_string(self): 

73 p = Q3cPixelization(3) 

74 self.assertEqual(str(p), 'Q3cPixelization(3)') 

75 self.assertEqual(str(p), repr(p)) 

76 self.assertEqual( 

77 p, eval(repr(p), dict(Q3cPixelization=Q3cPixelization))) 

78 

79 def test_pickle(self): 

80 a = Q3cPixelization(20) 

81 b = pickle.loads(pickle.dumps(a)) 

82 self.assertEqual(a, b) 

83 

84 def test_yaml(self): 

85 a = Q3cPixelization(20) 

86 b = yaml.safe_load(yaml.dump(a)) 

87 self.assertEqual(a, b) 

88 

89 

90if __name__ == '__main__': 90 ↛ 91line 90 didn't jump to line 91, because the condition on line 90 was never true

91 unittest.main()