Coverage for tests/test_ampOffset.py: 30%

53 statements  

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1# 

2# LSST Data Management System 

3# 

4# Copyright 2008-2016 AURA/LSST. 

5# 

6# This product includes software developed by the 

7# LSST Project (http://www.lsst.org/). 

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 LSST License Statement and 

20# the GNU General Public License along with this program. If not, 

21# see <https://www.lsstcorp.org/LegalNotices/>. 

22# 

23import unittest 

24import numpy as np 

25 

26import lsst.utils.tests 

27import lsst.afw.image as afwImage 

28from lsst.obs.subaru import HyperSuprimeCam 

29from lsst.obs.subaru.ampOffset import SubaruAmpOffsetConfig, SubaruAmpOffsetTask 

30 

31 

32class AmpOffsetTest(lsst.utils.tests.TestCase): 

33 

34 def setUp(self): 

35 instrument = HyperSuprimeCam() 

36 self.camera = instrument.getCamera() 

37 

38 def tearDown(self): 

39 del self.camera 

40 

41 def buildExposure(self, addBackground=False): 

42 exp = afwImage.ExposureF(self.camera[0].getBBox()) 

43 exp.setDetector(self.camera[0]) 

44 amps = exp.getDetector().getAmplifiers() 

45 exp.image[amps[0].getBBox()] = -2.5 

46 exp.image[amps[1].getBBox()] = -1.0 

47 exp.image[amps[2].getBBox()] = 1.0 

48 exp.image[amps[3].getBBox()] = 2.5 

49 if addBackground: 

50 exp.image.array += 100 

51 return exp 

52 

53 def testAmpOffset(self): 

54 exp = self.buildExposure(addBackground=False) 

55 config = SubaruAmpOffsetConfig() 

56 config.doBackground = False 

57 config.doDetection = False 

58 task = SubaruAmpOffsetTask(config=config) 

59 task.run(exp) 

60 meta = exp.getMetadata().toDict() 

61 self.assertEqual(np.sum(exp.image.array), 0) 

62 self.assertAlmostEqual(meta['PEDESTAL1'], -2.5, 7) 

63 self.assertAlmostEqual(meta['PEDESTAL2'], -1.0, 7) 

64 self.assertAlmostEqual(meta['PEDESTAL3'], 1.0, 7) 

65 self.assertAlmostEqual(meta['PEDESTAL4'], 2.5, 7) 

66 

67 def testAmpOffsetWithBackground(self): 

68 exp = self.buildExposure(addBackground=True) 

69 config = SubaruAmpOffsetConfig() 

70 config.doBackground = True 

71 config.doDetection = True 

72 task = SubaruAmpOffsetTask(config=config) 

73 task.run(exp) 

74 meta = exp.getMetadata().toDict() 

75 self.assertAlmostEqual(meta['PEDESTAL1'], -meta['PEDESTAL4'], 7) 

76 self.assertAlmostEqual(meta['PEDESTAL2'], -meta['PEDESTAL3'], 7) 

77 

78 

79class TestMemory(lsst.utils.tests.MemoryTestCase): 

80 pass 

81 

82 

83def setup_module(module): 

84 lsst.utils.tests.init() 

85 

86 

87if __name__ == "__main__": 87 ↛ 88line 87 didn't jump to line 88, because the condition on line 87 was never true

88 lsst.utils.tests.init() 

89 unittest.main()