Coverage for tests/test_Angle.py: 21%

42 statements  

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1# This file is part of sphgeom. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This software is dual licensed under the GNU General Public License and also 

10# under a 3-clause BSD license. Recipients may choose which of these licenses 

11# to use; please see the files gpl-3.0.txt and/or bsd_license.txt, 

12# respectively. If you choose the GPL option then the following text applies 

13# (but note that there is still no warranty even if you opt for BSD instead): 

14# 

15# This program is free software: you can redistribute it and/or modify 

16# it under the terms of the GNU General Public License as published by 

17# the Free Software Foundation, either version 3 of the License, or 

18# (at your option) any later version. 

19# 

20# This program is distributed in the hope that it will be useful, 

21# but WITHOUT ANY WARRANTY; without even the implied warranty of 

22# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

23# GNU General Public License for more details. 

24# 

25# You should have received a copy of the GNU General Public License 

26# along with this program. If not, see <http://www.gnu.org/licenses/>. 

27# 

28 

29import pickle 

30import unittest 

31 

32from lsst.sphgeom import Angle 

33 

34 

35class AngleTestCase(unittest.TestCase): 

36 """Test the Angle class.""" 

37 

38 def testConstruction(self): 

39 a1 = Angle(1.0) 

40 a2 = Angle.fromRadians(1.0) 

41 a3 = Angle.fromDegrees(57.29577951308232) 

42 self.assertEqual(a1, a2) 

43 self.assertEqual(a1.asRadians(), 1.0) 

44 self.assertEqual(a1, a3) 

45 self.assertEqual(a1.asDegrees(), 57.29577951308232) 

46 

47 def testComparisonOperators(self): 

48 a1 = Angle(1) 

49 a2 = Angle(2) 

50 self.assertNotEqual(a1, a2) 

51 self.assertLess(a1, a2) 

52 self.assertLessEqual(a1, a2) 

53 self.assertGreater(a2, a1) 

54 self.assertGreaterEqual(a2, a1) 

55 

56 def testArithmeticOperators(self): 

57 a = Angle(1) 

58 b = -a 

59 self.assertEqual(a + b, Angle(0)) 

60 self.assertEqual(a - b, 2.0 * a) 

61 self.assertEqual(a - b, a * 2.0) 

62 self.assertEqual(a / 1.0, a) 

63 self.assertEqual(a / a, 1.0) 

64 a += a 

65 a *= 2 

66 a -= b 

67 a /= 5 

68 self.assertEqual(a.asRadians(), 1) 

69 

70 def testString(self): 

71 self.assertEqual(str(Angle(1)), "1.0") 

72 self.assertEqual(repr(Angle(1)), "Angle(1.0)") 

73 a = Angle(2.5) 

74 self.assertEqual(a, eval(repr(a), {"Angle": Angle})) 

75 

76 def testPickle(self): 

77 a = Angle(1.5) 

78 b = pickle.loads(pickle.dumps(a)) 

79 self.assertEqual(a, b) 

80 

81 

82if __name__ == "__main__": 

83 unittest.main()