Coverage for tests/test_ticket-2986.py: 36%

37 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 

24 

25 

26import numpy as np 

27 

28import lsst.geom 

29import lsst.afw.geom as afwGeom 

30import lsst.afw.table as afwTable 

31import lsst.meas.algorithms as measAlg 

32import lsst.utils.tests 

33 

34 

35class Ticket2986Test(unittest.TestCase): 

36 

37 def test(self): 

38 schema = afwTable.ExposureTable.makeMinimalSchema() 

39 schema.addField("ccd", np.int32, doc="CCD number") 

40 schema.addField("visit", np.int32, doc="Visit number") 

41 schema.addField("goodpix", np.int32, doc="Number of good pixels") 

42 schema.addField("weight", float, doc="Weighting for this CCD") 

43 ccds = afwTable.ExposureCatalog(schema) 

44 

45 scale = 1.0e-4*lsst.geom.degrees 

46 wcs = afwGeom.makeSkyWcs(crpix=lsst.geom.Point2D(0.0, 0.0), 

47 crval=lsst.geom.SpherePoint(0.0, 0.0, lsst.geom.degrees), 

48 cdMatrix=afwGeom.makeCdMatrix(scale=scale)) 

49 new = ccds.addNew() 

50 new.set("id", 0) 

51 new.set("bbox_min_x", 0) 

52 new.set("bbox_min_y", 0) 

53 new.set("bbox_max_x", 1024) 

54 new.set("bbox_max_y", 1024) 

55 

56 # The following lines are critical for reproducing the bug, because 

57 # the code is reading a double starting at the 'ccd' (offset 24), and 

58 # it sees a zero (from the zero in 'ccd' and the leading zeros in 'visit'). 

59 new.set("ccd", 0) 

60 new.set("visit", 6789) 

61 

62 new.set("goodpix", 987654321) 

63 new.set("weight", 1.0) 

64 new.setPsf(measAlg.SingleGaussianPsf(23, 23, 2.345)) 

65 new.setWcs(wcs) 

66 

67 # In the presence of the bug, the following fails with 

68 # lsst::pex::exceptions::RuntimeError thrown in src/CoaddPsf.cc 

69 # with message: "Could not find a valid average position for CoaddPsf" 

70 measAlg.CoaddPsf(ccds, wcs) 

71 

72 

73class TestMemory(lsst.utils.tests.MemoryTestCase): 

74 pass 

75 

76 

77def setup_module(module): 

78 lsst.utils.tests.init() 

79 

80 

81if __name__ == "__main__": 81 ↛ 82line 81 didn't jump to line 82, because the condition on line 81 was never true

82 lsst.utils.tests.init() 

83 unittest.main()