Coverage for tests / test_binImageData.py: 21%

1# This file is part of ip_isr. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://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 program is free software: you can redistribute it and/or modify 

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

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

12# (at your option) any later version. 

13# 

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

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

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

17# GNU General Public License for more details. 

18# 

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

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

21import unittest 

22 

23import lsst.utils.tests 

24import lsst.afw.image as afwImage 

25from lsst.ip.isr.binImageDataTask import binImageData 

26 

27 

28class BinImageDataTestCases(lsst.utils.tests.TestCase): 

29 

30 def setUp(self): 

31 """Set up the various image and image-like data type inputs, 

32 plus reference images that represent the expected output from 

33 an 8x8 binning. 

34 """ 

35 self.imageF = afwImage.ImageF(2048, 2048) 

36 self.imageF.set(100) 

37 self.miF = afwImage.makeMaskedImage(self.imageF) 

38 self.expF = afwImage.makeExposure(self.miF) 

39 

40 self.imageI = afwImage.ImageI(2048, 2048) 

41 self.imageI.set(100) 

42 self.miI = afwImage.makeMaskedImage(self.imageI) 

43 self.expI = afwImage.makeExposure(self.miI) 

44 

45 self.refImageF = afwImage.ImageF(256, 256) 

46 self.refImageF.set(100) 

47 self.refMiF = afwImage.makeMaskedImage(self.refImageF) 

48 self.refExpF = afwImage.makeExposure(self.refMiF) 

49 

50 self.refImageI = afwImage.ImageI(256, 256) 

51 self.refImageI.set(100) 

52 self.refMiI = afwImage.makeMaskedImage(self.refImageI) 

53 self.refExpI = afwImage.makeExposure(self.refMiI) 

54 

55 def test_ImageDataBinning(self): 

56 """Test an 8x8 binning.""" 

57 images = [(self.imageF, self.refImageF), (self.imageI, self.refImageI)] 

58 maskedImages = [(self.miF, self.refMiF), (self.miI, self.refMiI)] 

59 exposures = [(self.expF, self.refExpF), (self.expI, self.refExpI)] 

60 

61 for input, ref in images: 

62 binnedData = binImageData(input, binFactor=8) 

63 self.assertImagesEqual(ref, binnedData) 

64 for input, ref in maskedImages: 

65 binnedData = binImageData(input, binFactor=8) 

66 self.assertMaskedImagesEqual(ref, binnedData) 

67 for input, ref in exposures: 

68 binnedData = binImageData(input, binFactor=8) 

69 self.assertMaskedImagesEqual( 

70 ref.getMaskedImage(), binnedData.getMaskedImage() 

71 ) 

72 

73 def test_BinImageDataTypes(self): 

74 """Test that a TypeError is raised should the input 

75 not be of type `lsst.afw.image.Image`, `lsst.afw.image.MaskedImage`, or 

76 `lsst.afw.image.Exposure, or one of their sub-types. 

77 """ 

78 with self.assertRaises(TypeError): 

79 _ = binImageData(None) 

80 

81 

82def setup_module(module): 

83 lsst.utils.tests.init() 

84 

85 

86if __name__ == "__main__": 86 ↛ 87line 86 didn't jump to line 87 because the condition on line 86 was never true

87 import sys 

88 

89 setup_module(sys.modules[__name__]) 

90 unittest.main()