test_comobssim.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the comobssim 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 comobssim script #
# =============================== #
class Test(test):
"""
Test class for comobssim script
This test class makes unit tests for the comobssim 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 comobssim_cmd1')
os.system('rm -rf comobssim_cmd2')
os.system('rm -rf comobssim_py1')
# Return
return
# Set test functions
def set(self):
"""
Set all test functions.
"""
# Set test name
self.name('comobssim')
# Append tests
self.append(self._test_cmd, 'Test comobssim on command line')
self.append(self._test_python, 'Test comobssim from Python')
# Return
return
# Test command line use
def _test_cmd(self):
"""
Test command line use.
"""
# Set script name
comobssim = self._comscript('comobssim')
# Setup command
cmd = comobssim+' inobs="'+self._obs+'" inmodel="'+self._model+'" '+ \
'add="yes" '+ \
'outfolder="comobssim_cmd1" outobs="comobssim_cmd1.xml" '+ \
'logfile="comobssim_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('comobssim_cmd1.xml', 'comobssim_cmd1')
# Setup command
cmd = comobssim+' inobs="file_that_does_not_exist.xml" '+ \
'inmodel="'+self._model+'" add="yes" '+ \
'outfolder="comobssim_cmd2" outobs="comobssim_cmd2.xml" '+ \
'logfile="comobssim_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(comobssim)
# Return
return
# Test from Python
def _test_python(self):
"""
Test from Python
"""
# Set-up script
sim = comscripts.comobssim()
sim['inobs'] = self._obs
sim['inmodel'] = self._model
sim['add'] = True
sim['outfolder'] = 'comobssim_py1'
sim['outobs'] = 'comobssim_py1.xml'
sim['logfile'] = 'comobssim_py1.log'
sim['chatter'] = 2
# Run script and save result
sim.logFileOpen() # Make sure we get a log file
sim.run()
sim.save()
# Check result
self._check_result('comobssim_py1.xml', 'comobssim_py1')
# Return
return
# Check result file
def _check_result(self, filename, foldername, 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 DRE file
fname = '%s/vp0001_0_dre_sim-seed000001_psd0-110_000750-001000keV.fits' % foldername
exists = os.path.isfile(fname)
self.test_assert(exists, 'Check that DRE file "%s" exists' % fname)
if exists:
dre = gammalib.GCOMDri(fname)
self.test_value(dre.size(), 90000, 'Check DRE size')
self.test_value(dre.nchi(), 60, 'Check DRE Chi size')
self.test_value(dre.npsi(), 60, 'Check DRE Psi size')
self.test_value(dre.nphibar(), 25, 'Check DRE Phibar size')
# Return
return