test_ctedispcube.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the ctedispcube tool.
#
# Copyright (C) 2016 Maria Haupt
#
# 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 ctedispcube tool #
# ============================= #
class Test(gammalib.GPythonTestSuite):
"""
Test class for ctedispcube 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('ctedispcube')
# Append tests
self.append(self._test_cmd, 'Test ctedispcube on command line')
self.append(self._test_python, 'Test ctedispcube from Python')
# Return
return
# Test ctedispcube on command line
def _test_cmd(self):
"""
Test ctedispcube on the command line.
"""
# Kluge to set the command (installed version has no README file)
if os.path.isfile('README.md'):
ctedispcube = '../src/ctedispcube/ctedispcube'
else:
ctedispcube = 'ctedispcube'
# Setup ctedispcube command
cmd = ctedispcube+' inobs="data/crab_events.fits"'+ \
' incube="NONE"'+ \
' outcube="ctedispcube_cmd1.fits"'+ \
' 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'+ \
' migramax=2.0 migrabins=10'+ \
' logfile="ctedispcube_cmd1.log" chatter=1'
# Execute ctedispcube, 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 ctedispcube execution on command line')
# Check result file
self._check_result_file('ctedispcube_cmd1.fits')
# Setup ctedispcube command
cmd = ctedispcube+' inobs="events_that_do_not_exist.fits"'+ \
' incube="NONE"'+ \
' outcube="ctedispcube_cmd2.fits"'+ \
' 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'+ \
' migramax=2.0 migrabins=10'+ \
' logfile="ctedispcube_cmd2.log" chatter=2'
# Execute ctedispcube, 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 ctedispcube execution on command line')
# Return
return
# Test ctedispcube from Python
def _test_python(self):
"""
Test ctedispcube from Python.
"""
# Set-up ctedispcube
edispcube = ctools.ctedispcube()
edispcube['inobs'] = 'data/crab_events.fits'
edispcube['incube'] = 'NONE'
edispcube['outcube'] = 'ctedispcube_py1.fits'
edispcube['caldb'] = 'prod2'
edispcube['irf'] = 'South_0.5h'
edispcube['ebinalg'] = 'LOG'
edispcube['emin'] = 0.1
edispcube['emax'] = 100
edispcube['enumbins'] = 20
edispcube['nxpix'] = 10
edispcube['nypix'] = 10
edispcube['binsz'] = 0.4
edispcube['coordsys'] = 'CEL'
edispcube['proj'] = 'CAR'
edispcube['xref'] = 83.63
edispcube['yref'] = 22.01
edispcube['migramax'] = 2.0
edispcube['migrabins'] = 10
edispcube['logfile'] = 'ctedispcube_py1.log'
edispcube['chatter'] = 2
# Run ctedispcube tool
edispcube.logFileOpen() # Make sure we get a log file
edispcube.run()
edispcube.save()
# Check result file
self._check_result_file('ctedispcube_py1.fits')
# Return
return
# Check result file
def _check_result_file(self, filename):
"""
Check result file.
"""
# Open result file
result = gammalib.GCTACubeEdisp(filename)
# Check dimensions
self.test_value(len(result.energies()), 21, 'Check for 21 energy maps')
self.test_value(len(result.migras()), 10, 'Check for 10 migration bins')
# Return
return