Coverage for tests/test_header.py: 29%

28 statements  

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1# 

2# LSST Data Management System 

3# Copyright 2008-2013 LSST Corporation. 

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 <http://www.lsstcorp.org/LegalNotices/>. 

21# 

22 

23import unittest 

24 

25import numpy 

26 

27import lsst.afw.image as afwImage 

28import lsst.utils.tests 

29 

30 

31class HeaderTestCase(lsst.utils.tests.TestCase): 

32 """Test that headers round-trip""" 

33 

34 def testHeaders(self): 

35 header = {"STR": "String", 

36 "INT": 12345, 

37 "FLOAT": 678.9, 

38 "NAN": numpy.nan, 

39 "PLUSINF": numpy.inf, 

40 "MINUSINF": -numpy.inf, 

41 "LONG": 987654321, 

42 } 

43 

44 exp = afwImage.ExposureI(0, 0) 

45 metadata = exp.getMetadata() 

46 for k, v in header.items(): 

47 metadata.add(k, v) 

48 

49 with lsst.utils.tests.getTempFilePath(".fits") as filename: 

50 exp.writeFits(filename) 

51 exp = afwImage.ExposureI(filename) 

52 

53 metadata = exp.getMetadata() 

54 for k, v in header.items(): 

55 self.assertTrue(metadata.exists(k)) 

56 if isinstance(v, float) and numpy.isnan(v): 

57 self.assertIsInstance(metadata.getScalar(k), float) 

58 self.assertTrue(numpy.isnan(metadata.getScalar(k))) 

59 else: 

60 self.assertEqual(metadata.getScalar(k), v) 

61 

62 

63class TestMemory(lsst.utils.tests.MemoryTestCase): 

64 pass 

65 

66 

67def setup_module(module): 

68 lsst.utils.tests.init() 

69 

70 

71if __name__ == "__main__": 71 ↛ 72line 71 didn't jump to line 72, because the condition on line 71 was never true

72 lsst.utils.tests.init() 

73 unittest.main()