test_comobsback.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the comobsback script.
#
# Copyright (C) 2021 Juergen Knoedlseder
#
# 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 GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# ==========================================================================
import os
import gammalib
import comscripts
from testing import test
# ================================ #
# Test class for comobsback script #
# ================================ #
class Test(test):
"""
Test class for comobsback script
This test class makes unit tests for the comobsback script by using it
from the command line and from Python.
"""
# Constructor
def __init__(self):
"""
Constructor
"""
# Call base class constructor
test.__init__(self)
# Set test datasets and parameters
self._obs = self._datadir + '/comptel/obs_binned1.xml'
self._model = self._datadir + '/comptel/models.xml'
# Delete datastores
os.system('rm -rf comobsback_cmd1')
os.system('rm -rf comobsback_cmd2')
os.system('rm -rf comobsback_py1')
os.system('rm -rf comobsback_py2')
os.system('rm -rf comobsback_py3')
# Return
return
# Set test functions
def set(self):
"""
Set all test functions.
"""
# Set test name
self.name('comobsback')
# Append tests
self.append(self._test_cmd, 'Test comobsback on command line')
self.append(self._test_python, 'Test comobsback from Python')
# Return
return
# Test command line use
def _test_cmd(self):
"""
Test command line use.
"""
# Set script name
comobsback = self._comscript('comobsback')
# Setup command
cmd = comobsback+' inobs="'+self._obs+'" inmodel="'+self._model+'" '+ \
'bkgmethod="PHINOR" '+ \
'outfolder="comobsback_cmd1" '+ \
'outobs="comobsback_cmd1.xml" '+ \
'logfile="comobsback_cmd1.log" chatter=1'
# Check if execution was successful
self.test_assert(self._execute(cmd) == 0,
'Check successful execution from command line')
# Check result
self._check_result('comobsback_cmd1.xml', 'comobsback_cmd1', 'phinor')
# Setup command
cmd = comobsback+' inobs="file_that_does_not_exist.xml" '+ \
'inmodel="'+self._model+'" '+ \
'bkgmethod="PHINOR" '+ \
'outfolder="comobsback_cmd2" '+ \
'outobs="comobsback_cmd2.xml" '+ \
'logfile="comobsback_cmd2.log" chatter=1'
# Check if execution was successful
self.test_assert(self._execute(cmd, success=False) != 0,
'Check invalid input file when executed from command line')
# Check --help option
self._check_help(comobsback)
# Return
return
# Test from Python
def _test_python(self):
"""
Test from Python
"""
# Test PHINOR
bgd = comscripts.comobsback()
bgd['inobs'] = self._obs
bgd['inmodel'] = self._model
bgd['bkgmethod'] = 'PHINOR'
bgd['outfolder'] = 'comobsback_py1'
bgd['outobs'] = 'comobsback_py1.xml'
bgd['logfile'] = 'comobsback_py1.log'
bgd['chatter'] = 2
# Run script and save result
bgd.logFileOpen() # Make sure we get a log file
bgd.run()
bgd.save()
# Check result
self._check_result('comobsback_py1.xml', 'comobsback_py1', 'phinor')
# Test BGDLIXA
bgd = comscripts.comobsback()
bgd['inobs'] = self._obs
bgd['inmodel'] = self._model
bgd['bkgmethod'] = 'BGDLIXA'
bgd['outfolder'] = 'comobsback_py2'
bgd['outobs'] = 'comobsback_py2.xml'
bgd['logfile'] = 'comobsback_py2.log'
bgd['chatter'] = 3
# Run script and save result
bgd.logFileOpen() # Make sure we get a log file
bgd.execute()
# Check result
self._check_result('comobsback_py2.xml', 'comobsback_py2', 'bgdlixA-nr3-na9-ni5-ne0')
# Test BGDLIXE
bgd = comscripts.comobsback()
bgd['inobs'] = self._obs
bgd['inmodel'] = self._model
bgd['bkgmethod'] = 'BGDLIXE'
bgd['outfolder'] = 'comobsback_py3'
bgd['outobs'] = 'comobsback_py3.xml'
bgd['logfile'] = 'comobsback_py3.log'
bgd['chatter'] = 4
# Run script and save result
bgd.logFileOpen() # Make sure we get a log file
bgd.execute()
# Check result
self._check_result('comobsback_py3.xml', 'comobsback_py3', 'bgdlixE-na9-ni5-ne0')
# Return
return
# Check result file
def _check_result(self, filename, foldername, bkgmethod, nobs=1):
"""
Check result file
"""
# Load observation definition file
obs = gammalib.GObservations(filename)
# Check that there is one observation
self.test_value(obs.size(), nobs, 'Check for %d observations' % nobs)
# Check DRB file
drbname = '%s/vp0001_0_drb-%s_psd0-110_000750-001000keV.fits' % (foldername, bkgmethod)
exists = os.path.isfile(drbname)
self.test_assert(exists, 'Check that file "%s" exists' % drbname)
if exists:
drb = gammalib.GCOMDri(drbname)
self.test_value(drb.size(), 90000, 'Check DRB size')
self.test_value(drb.nchi(), 60, 'Check DRB Chi size')
self.test_value(drb.npsi(), 60, 'Check DRB Psi size')
self.test_value(drb.nphibar(), 25, 'Check DRB Phibar size')
# Return
return