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# 

# LSST Data Management System 

# Copyright 2008-2017 AURA/LSST. 

# 

# This product includes software developed by the 

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

# 

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

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

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

# (at your option) any later version. 

# 

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

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

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the LSST License Statement and 

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

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

# 

 

import unittest 

import numpy as np 

 

import lsst.utils.tests 

 

import lsst.afw.image as afwImage 

import lsst.ip.isr.isrMock as isrMock 

 

 

class IsrMockCases(lsst.utils.tests.TestCase): 

"""Test the generation of IsrMock data. 

""" 

def setUp(self): 

self.inputExp = isrMock.TrimmedRawMock().run() 

self.mi = self.inputExp.getMaskedImage() 

 

def test_simple(self): 

"""Chain raw and calibration mock data. 

 

This test should confirm the raw data is generated as expected. 

""" 

 

initialMean = np.median(self.mi.getImage().getArray()[:]) 

initialStd = np.std(self.mi.getImage().getArray()[:]) 

 

bias = isrMock.BiasMock().run() 

self.mi.getImage().getArray()[:] = (self.mi.getImage().getArray()[:] - 

bias.getMaskedImage().getImage().getArray()[:]) 

newMean = np.median(self.mi.getImage().getArray()[:]) 

newStd = np.std(self.mi.getImage().getArray()[:]) 

 

self.assertLess(newMean, initialMean) 

 

initialMean = newMean 

initialStd = newStd 

 

dark = isrMock.DarkMock().run() 

self.mi.getImage().getArray()[:] = (self.mi.getImage().getArray()[:] - 

dark.getMaskedImage().getImage().getArray()[:]) 

newMean = np.median(self.mi.getImage().getArray()[:]) 

newStd = np.std(self.mi.getImage().getArray()[:]) 

 

self.assertLess(newMean, initialMean) 

 

initialMean = newMean 

initialStd = newStd 

 

flat = isrMock.FlatMock().run() 

self.mi.getImage().getArray()[:] = (self.mi.getImage().getArray()[:] - 

flat.getMaskedImage().getImage().getArray()[:]) 

newMean = np.median(self.mi.getImage().getArray()[:]) 

newStd = np.std(self.mi.getImage().getArray()[:]) 

 

self.assertAlmostEqual(newMean, initialMean, -2) 

self.assertLess(newStd, initialStd) 

 

initialMean = newMean 

initialStd = newStd 

 

fringe = isrMock.FringeMock().run() 

self.mi.getImage().getArray()[:] = (self.mi.getImage().getArray()[:] - 

fringe.getMaskedImage().getImage().getArray()[:]) 

newMean = np.median(self.mi.getImage().getArray()[:]) 

newStd = np.std(self.mi.getImage().getArray()[:]) 

 

self.assertLess(newMean, initialMean) 

 

def test_untrimmedSimple(self): 

"""Confirm untrimmed data classes are generated consistently. 

""" 

exposure = isrMock.RawMock().run() 

fringe = isrMock.UntrimmedFringeMock().run() 

 

initialStd = np.std(exposure.getMaskedImage().getImage().getArray()[:]) 

 

diff = (exposure.getMaskedImage().getImage().getArray()[:] - 

fringe.getMaskedImage().getImage().getArray()[:]) 

 

newStd = np.std(diff[:]) 

 

self.assertLess(newStd, initialStd) 

 

def test_productTypes(self): 

"""Test non-image data is returned as the expected type. 

""" 

self.assertIsInstance(isrMock.BfKernelMock().run(), np.ndarray) 

self.assertIsInstance(isrMock.CrosstalkCoeffMock().run(), np.ndarray) 

 

self.assertIsInstance(isrMock.DefectMock().run()[0], lsst.meas.algorithms.Defect) 

self.assertIsInstance(isrMock.TransmissionMock().run(), afwImage.TransmissionCurve) 

 

def test_edgeCases(self): 

"""Test that improperly specified configurations do not return data. 

""" 

config = isrMock.IsrMockConfig() 

self.assertIsNone(isrMock.IsrMock(config=config).run()) 

 

with self.assertRaises(RuntimeError): 

config.doGenerateData = True 

isrMock.IsrMock(config=config).run() 

 

 

class MemoryTester(lsst.utils.tests.MemoryTestCase): 

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

133 ↛ 134line 133 didn't jump to line 134, because the condition on line 133 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()