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#!/usr/bin/env python 

# 

# LSST Data Management System 

# 

# Copyright 2008-2016 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 lsst.geom 

import lsst.afw.table as afwTable 

from lsst.meas.algorithms import sourceSelector 

import lsst.meas.base.tests 

import lsst.utils.tests 

 

 

def addGoodSource(src, num=0): 

"""Insert a likely-good source into the catalog. Num is added to various 

values to distinguish them in catalogs with multiple objects. 

""" 

record = src.addNew() 

record['coord_ra'] = (1. + num) * lsst.geom.degrees 

record['coord_dec'] = (2. + num) * lsst.geom.degrees 

record['slot_Centroid_x'] = 10. + num 

record['slot_Centroid_y'] = 20. + num 

record['slot_ApFlux_instFlux'] = 100. + num 

record['slot_ApFlux_instFluxErr'] = 1. 

record.set("calib_psf_used", True) 

 

 

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

 

def setUp(self): 

schema = lsst.meas.base.tests.TestDataset.makeMinimalSchema() 

schema.addField("slot_ApFlux_instFlux", type=float) 

schema.addField("slot_ApFlux_instFluxErr", type=float) 

schema.addField("calib_psf_used", type="Flag") 

 

self.src = afwTable.SourceCatalog(schema) 

self.sourceSelector = sourceSelector.sourceSelectorRegistry['flagged']() 

 

def tearDown(self): 

del self.src 

del self.sourceSelector 

 

def testSelectSourcesGood(self): 

"""Insert good sources and check that they were selected.""" 

for i in range(5): 

addGoodSource(self.src, i) 

result = self.sourceSelector.run(self.src) 

for x in self.src['id']: 

self.assertIn(x, result.sourceCat['id']) 

 

def testSelectSourcesBad(self): 

"""Add a source that fails the source selector test and check 

that our output array is indeed empty. 

""" 

addGoodSource(self.src, 1) 

self.src[0].set('calib_psf_used', False) 

result = self.sourceSelector.run(self.src) 

self.assertNotIn(self.src['id'][0], result.sourceCat['id']) 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

88 ↛ 89line 88 didn't jump to line 89, because the condition on line 88 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()