test_ctmodel.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the ctmodel tool.
#
# Copyright (C) 2014-2016 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 ctools
# =========================== #
# Test class for ctmodel tool #
# =========================== #
class Test(gammalib.GPythonTestSuite):
"""
Test class for ctmodel tool.
"""
# Constructor
def __init__(self):
"""
Constructor.
"""
# Call base class constructor
gammalib.GPythonTestSuite.__init__(self)
# Return
return
# Set test functions
def set(self):
"""
Set all test functions.
"""
# Set test name
self.name('ctmodel')
# Append tests
self.append(self._test_cmd, 'Test ctmodel on command line')
self.append(self._test_python, 'Test ctmodel from Python')
# Return
return
# Test ctmodel on command line
def _test_cmd(self):
"""
Test ctmodel on the command line.
"""
# Kluge to set the command (installed version has no README file)
if os.path.isfile('README.md'):
ctmodel = '../src/ctmodel/ctmodel'
else:
ctmodel = 'ctmodel'
# Setup ctmodel command
cmd = ctmodel+' incube="NONE" inobs="NONE" expcube="NONE"'+\
' psfcube="NONE" bkgcube="NONE"'+ \
' outcube="ctmodel_cmd1.fits"'+ \
' inmodel="data/crab.xml"'+ \
' caldb="prod2" irf="South_0.5h"'+ \
' rad=5.0 ra=83.63 dec=22.01 tmin=0.0 tmax=1800'+ \
' emin=0.1 emax=100.0 enumbins=20 nxpix=200 nypix=200'+ \
' binsz=0.02 coordsys="CEL" proj="CAR"'+ \
' xref=83.63 yref=22.01'+ \
' logfile="ctmodel_cmd1.log" chatter=1'
# Execute ctmodel, make sure we catch any exception
try:
rc = os.system(cmd+' >/dev/null 2>&1')
except:
pass
# Check if execution was successful
self.test_assert(rc == 0,
'Successful ctmodel execution on command line')
# Check result file
self._check_result_file('ctmodel_cmd1.fits')
# Setup ctmodel command
cmd = ctmodel+' incube="NONE" inobs="NONE" expcube="NONE"'+\
' psfcube="NONE" bkgcube="NONE"'+ \
' outcube="ctmodel_cmd2.fits"'+ \
' inmodel="model_that_does_not_exist.xml"'+ \
' caldb="prod2" irf="South_0.5h"'+ \
' rad=5.0 ra=83.63 dec=22.01 tmin=0.0 tmax=1800'+ \
' emin=0.1 emax=100.0 enumbins=20 nxpix=200 nypix=200'+ \
' binsz=0.02 coordsys="CEL" proj="CAR"'+ \
' xref=83.63 yref=22.01'+ \
' logfile="ctmodel_cmd2.log" chatter=1'
# Execute ctmodel, make sure we catch any exception
try:
rc = os.system(cmd+' >/dev/null 2>&1')
except:
pass
# Check if execution failed
self.test_assert(rc != 0,
'Failure of ctmodel execution on command line')
# Return
return
# Test ctmodel from Python
def _test_python(self):
"""
Test ctmodel from Python.
"""
# Set-up ctmodel from scratch
model = ctools.ctmodel()
model['incube'] = 'NONE'
model['outcube'] = 'ctmodel_py1.fits'
model['inmodel'] = 'data/crab.xml'
model['inobs'] = 'NONE'
model['expcube'] = 'NONE'
model['psfcube'] = 'NONE'
model['bkgcube'] = 'NONE'
model['caldb'] = 'prod2'
model['irf'] = 'South_0.5h'
model['rad'] = 5
model['ra'] = 83.63
model['dec'] = 22.01
model['tmin'] = 0
model['tmax'] = 1800
model['emin'] = 0.1
model['emax'] = 100
model['enumbins'] = 20
model['nxpix'] = 200
model['nypix'] = 200
model['binsz'] = 0.02
model['coordsys'] = 'CEL'
model['proj'] = 'CAR'
model['xref'] = 83.63
model['yref'] = 22.01
model['logfile'] = 'ctmodel_py1.log'
model['chatter'] = 2
# Run ctmodel tool
model.logFileOpen() # Make sure we get a log file
model.run()
model.save()
# Check result file
self._check_result_file('ctmodel_py1.fits')
# Return
return
# Check result file
def _check_result_file(self, filename):
"""
Check result file.
"""
# Open result file
fits = gammalib.GFits(filename)
# Get HDUs
cube = fits['Primary']
ebounds = fits['EBOUNDS']
gti = fits['GTI']
# Check dimensions
self.test_value(cube.naxis(), 3, 'Check for 3 cube dimensions')
self.test_value(cube.naxes(0), 200, 'Check for 200 pixels in X')
self.test_value(cube.naxes(1), 200, 'Check for 200 pixels in Y')
self.test_value(cube.naxes(2), 20, 'Check for 20 pixels in Z')
# Return
return