test_ctbkgcube.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the ctbkgcube 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 ctbkgcube tool #
# ============================= #
class Test(gammalib.GPythonTestSuite):
"""
Test class for ctbkgcube 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('ctbkgcube')
# Append tests
self.append(self._test_cmd, 'Test ctbkgcube on command line')
self.append(self._test_python, 'Test ctbkgcube from Python')
# Return
return
# Test ctbkgcube on command line
def _test_cmd(self):
"""
Test ctbkgcube on the command line.
"""
# Kluge to set the command (installed version has no README file)
if os.path.isfile('README.md'):
ctbkgcube = '../src/ctbkgcube/ctbkgcube'
else:
ctbkgcube = 'ctbkgcube'
# Setup ctbkgcube command
cmd = ctbkgcube+' inobs="data/crab_events.fits"'+ \
' inmodel="data/crab.xml"'+ \
' incube="NONE"'+ \
' outcube="ctbkgcube_cmd1.fits"'+ \
' outmodel="ctbkgcube_cmd1.xml"'+ \
' caldb="prod2" irf="South_0.5h"'+ \
' ebinalg="LOG" emin=0.1 emax=100.0 enumbins=20'+ \
' nxpix=10 nypix=10 binsz=0.4'+ \
' coordsys="CEL" proj="CAR" xref=83.63 yref=22.01'+ \
' logfile="ctbkgcube_cmd1.log" chatter=1'
# Execute ctbkgcube, 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 ctbkgcube execution on command line')
# Check result file
self._check_result_file('ctbkgcube_cmd1.fits')
# Setup ctbkgcube command
cmd = ctbkgcube+' inobs="event_file_that_does_not_exist.fits"'+ \
' inmodel="data/crab.xml"'+ \
' incube="NONE"'+ \
' outcube="ctbkgcube_cmd2.fits"'+ \
' outmodel="ctbkgcube_cmd2.xml"'+ \
' caldb="prod2" irf="South_0.5h"'+ \
' ebinalg="LOG" emin=0.1 emax=100.0 enumbins=20'+ \
' nxpix=10 nypix=10 binsz=0.4'+ \
' coordsys="CEL" proj="CAR" xref=83.63 yref=22.01'+ \
' logfile="ctbkgcube_cmd2.log" chatter=1'
# Execute ctbkgcube, 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 ctbkgcube execution on command line')
# Return
return
# Test ctbkgcube from Python
def _test_python(self):
"""
Test ctbkgcube from Python.
"""
# Set-up ctbkgcube
bkgcube = ctools.ctbkgcube()
bkgcube['inobs'] = 'data/crab_events.fits'
bkgcube['inmodel'] = 'data/crab.xml'
bkgcube['incube'] = 'NONE'
bkgcube['outcube'] = 'ctbkgcube_py1.fits'
bkgcube['outmodel'] = 'ctbkgcube_py1.xml'
bkgcube['caldb'] = 'prod2'
bkgcube['irf'] = 'South_0.5h'
bkgcube['ebinalg'] = 'LOG'
bkgcube['emin'] = 0.1
bkgcube['emax'] = 100
bkgcube['enumbins'] = 20
bkgcube['nxpix'] = 10
bkgcube['nypix'] = 10
bkgcube['binsz'] = 0.4
bkgcube['coordsys'] = 'CEL'
bkgcube['proj'] = 'CAR'
bkgcube['xref'] = 83.63
bkgcube['yref'] = 22.01
bkgcube['logfile'] = 'ctbkgcube_py1.log'
bkgcube['chatter'] = 2
# Run ctbkgcube tool
bkgcube.logFileOpen() # Make sure we get a log file
bkgcube.run()
bkgcube.save()
# Check result file
self._check_result_file('ctbkgcube_py1.fits')
# Return
return
# Check result file
def _check_result_file(self, filename):
"""
Check result file.
"""
# Open result file
result = gammalib.GCTACubeBackground(filename)
# Check dimensions
self.test_value(len(result.energies()), 21, 'Check for 21 energy values')
# Return
return