test_csspec.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the csspec script.
#
# Copyright (C) 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 gammalib
import cscripts
from testing import test
# ============================ #
# Test class for csspec script #
# ============================ #
class Test(test):
"""
Test class for csspec script
This test class makes unit tests for the csspec script by using it
from the command line and from Python.
"""
# Constructor
def __init__(self):
"""
Constructor
"""
# Call base class constructor
test.__init__(self)
# Set members
self._inobs = self._datadir + '/crab_cntmap_small.fits'
self._expcube = self._datadir + '/crab_expcube.fits'
self._psfcube = self._datadir + '/crab_psfcube.fits'
self._edispcube = self._datadir + '/crab_edispcube.fits'
self._bkgcube = self._datadir + '/crab_bkgcube.fits'
# Return
return
# Set test functions
def set(self):
"""
Set all test functions
"""
# Set test name
self.name('csspec')
# Append tests
self.append(self._test_cmd, 'Test csspec on command line')
self.append(self._test_python, 'Test csspec from Python')
# Return
return
# Test csspec on command line
def _test_cmd(self):
"""
Test csspec on the command line
"""
# Set script name
csspec = self._script('csspec')
# Setup csspec command
cmd = csspec+' inobs="'+self._events+'"'+ \
' inmodel="'+self._model+'"'+ \
' srcname="Crab"'+ \
' caldb="'+self._caldb+'" irf="'+self._irf+'"'+ \
' ebinalg="LOG" enumbins=5 emin=0.1 emax=100.0'+ \
' outfile="csspec_cmd1.fits"'+ \
' logfile="csspec_cmd1.log" chatter=1'
# Check if execution of wrong command fails
self.test_assert(self._execute('command_that_does_not_exist') != 0,
'Self test of test script')
# Check if execution was successful
self.test_assert(self._execute(cmd) == 0,
'Check successful execution from command line')
# Check result file
self._check_result_file('csspec_cmd1.fits', 5)
# Setup csspec command
cmd = csspec+' inobs="input_file_that_does_not_exist.fits"'+ \
' inmodel="'+self._model+'"'+ \
' srcname="Crab"'+ \
' caldb="'+self._caldb+'" irf="'+self._irf+'"'+ \
' ebinalg="LOG" enumbins=5 emin=0.1 emax=100.0'+ \
' outfile="csspec_cmd2.fits"'+ \
' logfile="csspec_cmd2.log" chatter=1'
# Check if execution failed
self.test_assert(self._execute(cmd) != 0,
'Check invalid input file when executed from command line')
# Return
return
# Test csspec from Python
def _test_python(self):
"""
Test csspec from Python
"""
# Set-up unbinned csspec
spec = cscripts.csspec()
spec['inobs'] = self._events
spec['inmodel'] = self._model
spec['srcname'] = 'Crab'
spec['caldb'] = self._caldb
spec['irf'] = self._irf
spec['outfile'] = 'csspec_py1.fits'
spec['ebinalg'] = 'LOG'
spec['enumbins'] = 5
spec['emin'] = 0.1
spec['emax'] = 100.0
spec['logfile'] = 'csspec_py1.log'
spec['chatter'] = 2
# Run csspec script
spec.logFileOpen() # Make sure we get a log file
spec.run()
spec.save()
# Check pull distribution file
self._check_result_file('csspec_py1.fits', 5)
# Set-up binned csspec
spec = cscripts.csspec()
spec['inobs'] = self._inobs
spec['expcube'] = self._expcube
spec['psfcube'] = self._psfcube
spec['edispcube'] = self._edispcube
spec['bkgcube'] = self._bkgcube
spec['inmodel'] = self._model
spec['srcname'] = 'Crab'
spec['outfile'] = 'csspec_py2.fits'
spec['ebinalg'] = 'LOG'
spec['enumbins'] = 2
spec['emin'] = 0.1
spec['emax'] = 100.0
spec['logfile'] = 'csspec_py2.log'
spec['chatter'] = 3
# Execute csspec script
spec.execute()
# Check pull distribution file
self._check_result_file('csspec_py2.fits', 2)
# Return
return
# Check result file
def _check_result_file(self, filename, bins):
"""
Check result file
"""
# Open result file
fits = gammalib.GFits(filename)
# Get spectrum table
spectrum = fits['SPECTRUM']
# Check dimensions
self.test_value(spectrum.nrows(), bins,
'Check for %d rows in spectrum' % bins)
self.test_value(spectrum.ncols(), 8,
'Check for 8 columns in spectrum')
# Return
return