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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, HtmPixelization, RangeSet, UnitVector3d, ConvexPolygon 

28 

29 

30class HtmPixelizationTestCase(unittest.TestCase): 

31 

32 def test_construction(self): 

33 with self.assertRaises(ValueError): 

34 HtmPixelization(-1) 

35 with self.assertRaises(ValueError): 

36 HtmPixelization(HtmPixelization.MAX_LEVEL + 1) 

37 h1 = HtmPixelization(0) 

38 self.assertEqual(h1.getLevel(), 0) 

39 h2 = HtmPixelization(1) 

40 h3 = HtmPixelization(h2) 

41 self.assertNotEqual(h1, h2) 

42 self.assertEqual(h2, h3) 

43 

44 def test_indexing(self): 

45 h = HtmPixelization(1) 

46 self.assertEqual(h.index(UnitVector3d(1, 1, 1)), 63) 

47 

48 def test_pixel(self): 

49 h = HtmPixelization(1) 

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

51 

52 def test_level(self): 

53 for index in (0, 16 * 4**HtmPixelization.MAX_LEVEL): 

54 self.assertEqual(HtmPixelization.level(index), -1) 

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

56 for root in range(8, 16): 

57 self.assertEqual(HtmPixelization.level(root * 4**level), level) 

58 

59 def test_envelope_and_interior(self): 

60 pixelization = HtmPixelization(3) 

61 c = Circle(UnitVector3d(1, 1, 1), Angle.fromDegrees(0.1)) 

62 rs = pixelization.envelope(c) 

63 self.assertTrue(rs == RangeSet(0x3ff)) 

64 rs = pixelization.envelope(c, 1) 

65 self.assertTrue(rs == RangeSet(0x3ff)) 

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

67 rs = pixelization.interior(c) 

68 self.assertTrue(rs.empty()) 

69 

70 def test_index_to_string(self): 

71 strings = ['S0', 'S1', 'S2', 'S3', 'N0', 'N1', 'N2', 'N3'] 

72 for i in range(8, 16): 

73 s0 = strings[i - 8] 

74 self.assertEqual(HtmPixelization.asString(i), s0) 

75 self.assertEqual(HtmPixelization(0).toString(i), s0) 

76 for j in range(4): 

77 s1 = s0 + str(j) 

78 self.assertEqual(HtmPixelization.asString(i*4 + j), s1) 

79 self.assertEqual(HtmPixelization(1).asString(i*4 + j), s1) 

80 

81 def test_string(self): 

82 p = HtmPixelization(3) 

83 self.assertEqual(str(p), 'HtmPixelization(3)') 

84 self.assertEqual(str(p), repr(p)) 

85 self.assertEqual( 

86 p, eval(repr(p), dict(HtmPixelization=HtmPixelization))) 

87 

88 def test_pickle(self): 

89 a = HtmPixelization(20) 

90 b = pickle.loads(pickle.dumps(a)) 

91 self.assertEqual(a, b) 

92 

93 def test_yaml(self): 

94 a = HtmPixelization(20) 

95 b = yaml.safe_load(yaml.dump(a)) 

96 self.assertEqual(a, b) 

97 

98 

99if __name__ == '__main__': 99 ↛ 100line 99 didn't jump to line 100, because the condition on line 99 was never true

100 unittest.main()