Coverage for tests/test_sdss.py : 28%

#!/usr/bin/env python 

# 

# LSST Data Management System 

# Copyright 2008, 2009, 2010 LSST Corporation. 

# 

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

# 

import os 

import unittest 

import lsst.utils 

import lsst.utils.tests 

import lsst.daf.persistence as dafPersist 

from lsst.daf.base import DateTime 

import lsst.afw.image 

from lsst.afw.geom import SkyWcs, SpherePoint, degrees 

import lsst.afw.detection 

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

"""A test case for the SdssMapper.""" 

def testGetDR7(self): 

obsSdssDir = lsst.utils.getPackageDir('obs_sdss') 

butler = dafPersist.Butler( 

root=os.path.join(obsSdssDir, "tests", "data", "dr7", "runs")) 

sub = butler.subset("fpC", run=5754, camcol=3, field=280, filter="r") 

self.assertEqual(len(sub), 1) 

for ref in sub: 

im = ref.get("fpC") 

w, h = im.getWidth(), im.getHeight() 

self.assertEqual(im.__class__, lsst.afw.image.ExposureU) 

self.assertEqual(w, 2048) 

self.assertEqual(h, 1489) 

im_md = ref.get("fpC_md") 

self.assertEqual(im_md.getScalar("RUN"), 5754) 

self.assertEqual(im_md.getScalar("FRAME"), 280) 

self.assertEqual(im_md.getScalar("STRIPE"), 82) 

msk = ref.get("fpM") 

w, h = msk.getWidth(), msk.getHeight() 

self.assertEqual(msk.__class__, lsst.afw.image.Mask[lsst.afw.image.MaskPixel]) 

self.assertEqual(w, 2048) 

self.assertEqual(h, 1489) 

psf = ref.get("psField") 

k = psf.getKernel() 

w, h = k.getWidth(), k.getHeight() 

self.assertEqual(psf.__class__, lsst.meas.algorithms.PcaPsf) 

self.assertEqual(w, 31) 

self.assertEqual(h, 31) 

wcs = ref.get("asTrans") 

self.assertIsInstance(wcs, SkyWcs) 

self.assertFalse(wcs.isFlipped) 

# comparison is to results from lsst.afw.image.TanWcs class 

self.assertSpherePointsAlmostEqual(wcs.pixelToSky(700, 1000), 

SpherePoint(343.6507738304687, -0.3509870420713227, degrees)) 

tsField = ref.get("tsField") 

self.assertAlmostEqual(tsField.gain, 4.72, 2) 

self.assertAlmostEqual(tsField.airmass, 1.2815132857671601) 

self.assertAlmostEqual(tsField.exptime, 53.907456) 

predDateStart = DateTime(53664.226070589997, DateTime.MJD, DateTime.TAI) 

predDateAvg = DateTime(predDateStart.nsecs(DateTime.TAI) + int(0.5e9*tsField.exptime), 

DateTime.TAI) 

self.assertAlmostEqual(tsField.dateAvg.get(), predDateAvg.get()) 

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

pass 

def setup_module(module): 

lsst.utils.tests.init() 

95 ↛ 96line 95 didn't jump to line 96, because the condition on line 95 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()