Coverage for tests/test_Q3cPixelization.py: 24%

62 statements  

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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 

24 

25try: 

26 import yaml 

27except ImportError: 

28 yaml = None 

29 

30import unittest 

31 

32from lsst.sphgeom import Angle, Circle, ConvexPolygon, Q3cPixelization, RangeSet, UnitVector3d 

33 

34 

35class 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) 

47 

48 def test_indexing(self): 

49 pixelization = Q3cPixelization(1) 

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

51 

52 def test_pixel(self): 

53 h = Q3cPixelization(1) 

54 self.assertIsInstance(h.pixel(10), ConvexPolygon) 

55 

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()) 

66 

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), s + str(j)) 

78 

79 def test_string(self): 

80 p = Q3cPixelization(3) 

81 self.assertEqual(str(p), "Q3cPixelization(3)") 

82 self.assertEqual(str(p), repr(p)) 

83 self.assertEqual(p, eval(repr(p), dict(Q3cPixelization=Q3cPixelization))) 

84 

85 def test_pickle(self): 

86 a = Q3cPixelization(20) 

87 b = pickle.loads(pickle.dumps(a)) 

88 self.assertEqual(a, b) 

89 

90 @unittest.skipIf(not yaml, "YAML module can not be imported") 

91 def test_yaml(self): 

92 a = Q3cPixelization(20) 

93 b = yaml.safe_load(yaml.dump(a)) 

94 self.assertEqual(a, b) 

95 

96 

97if __name__ == "__main__": 97 ↛ 98line 97 didn't jump to line 98, because the condition on line 97 was never true

98 unittest.main()