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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 

24try: 

25 import yaml 

26except ImportError: 

27 yaml = None 

28 

29import unittest 

30 

31from lsst.sphgeom import (Angle, Circle, Mq3cPixelization, RangeSet, 

32 UnitVector3d) 

33 

34 

35class Mq3cPixelizationTestCase(unittest.TestCase): 

36 

37 def test_construction(self): 

38 with self.assertRaises(ValueError): 

39 Mq3cPixelization(-1) 

40 with self.assertRaises(ValueError): 

41 Mq3cPixelization(Mq3cPixelization.MAX_LEVEL + 1) 

42 m1 = Mq3cPixelization(0) 

43 self.assertEqual(m1.getLevel(), 0) 

44 m2 = Mq3cPixelization(1) 

45 m3 = Mq3cPixelization(m2) 

46 self.assertNotEqual(m1, m2) 

47 self.assertEqual(m2, m3) 

48 

49 def test_indexing(self): 

50 pixelization = Mq3cPixelization(1) 

51 self.assertEqual(pixelization.index(UnitVector3d(0.5, -0.5, 1.0)), 53) 

52 

53 def test_level(self): 

54 self.assertEqual(Mq3cPixelization.level(0), -1) 

55 for level in range(Mq3cPixelization.MAX_LEVEL + 1): 

56 for root in range(8, 10): 

57 index = root * 4**level 

58 self.assertEqual(Mq3cPixelization.level(index), -1) 

59 for root in range(10, 16): 

60 index = root * 4**level 

61 self.assertEqual(Mq3cPixelization.level(index), level) 

62 

63 def test_envelope_and_interior(self): 

64 pixelization = Mq3cPixelization(1) 

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

66 rs = pixelization.envelope(c) 

67 self.assertTrue(rs == RangeSet(44)) 

68 rs = pixelization.envelope(c, 1) 

69 self.assertTrue(rs == RangeSet(44)) 

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

71 rs = pixelization.interior(c) 

72 self.assertTrue(rs.empty()) 

73 

74 def test_index_to_string(self): 

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

76 for i in range(6): 

77 s0 = strings[i] 

78 components = [0.0]*3 

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

80 v = UnitVector3d(*components) 

81 f = Mq3cPixelization(0).index(v) 

82 self.assertEqual(Mq3cPixelization.asString(f), s0) 

83 self.assertEqual(Mq3cPixelization(0).toString(f), s0) 

84 for j in range(4): 

85 s1 = s0 + str(j) 

86 self.assertEqual(Mq3cPixelization.asString(f*4 + j), s1) 

87 self.assertEqual(Mq3cPixelization(1).toString(f*4 + j), s1) 

88 

89 def test_string(self): 

90 p = Mq3cPixelization(3) 

91 self.assertEqual(str(p), 'Mq3cPixelization(3)') 

92 self.assertEqual(str(p), repr(p)) 

93 self.assertEqual( 

94 p, eval(repr(p), dict(Mq3cPixelization=Mq3cPixelization))) 

95 

96 def test_pickle(self): 

97 a = Mq3cPixelization(20) 

98 b = pickle.loads(pickle.dumps(a)) 

99 self.assertEqual(a, b) 

100 

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) 

106 

107 

108if __name__ == '__main__': 108 ↛ 109line 108 didn't jump to line 109, because the condition on line 108 was never true

109 unittest.main()