test_cterror.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the cterror tool.
#
# Copyright (C) 2015-2016 Florent Forest
#
# 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 cterror tool #
# =========================== #
class Test(gammalib.GPythonTestSuite):
"""
Test class for cterror tool.
"""
# Constructor
def __init__(self):
"""
Constructor.
"""
# Call base class constructor
gammalib.GPythonTestSuite.__init__(self)
# Set members
self.events_name = "data/crab_events.fits"
self.model_name = "data/crab.xml"
self.result_name = "cterror_result.xml"
self.caldb = "irf"
self.irf = "cta_dummy_irf"
# Return
return
# Set test functions
def set(self):
"""
Set all test functions.
"""
# Set test name
self.name('cterror')
# Append tests
self.append(self._test_cmd, 'Test cterror on command line')
self.append(self._test_python, 'Test cterror from Python')
# Return
return
# Test cterror on command line
def _test_cmd(self):
"""
Test cterror on the command line.
"""
# Kluge to set the command (installed version has no README file)
if os.path.isfile('README.md'):
cterror = '../src/cterror/cterror'
else:
cterror = 'cterror'
# Setup cterror command
cmd = cterror+' inobs="data/crab_events.fits"'+ \
' inmodel="data/crab.xml" srcname="Crab"'+ \
' caldb="prod2" irf="South_0.5h"'+ \
' outmodel="cterror_cmd1.xml"'+ \
' logfile="cterror_cmd1.log" chatter=1'
# Execute cterror, 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 cterror execution on command line')
# Check result file
self._check_result_file('cterror_cmd1.xml')
# Setup cterror command
cmd = cterror+' inobs="event_file_that_does_not_exist.fits"'+ \
' inmodel="data/crab.xml" srcname="Crab"'+ \
' caldb="prod2" irf="South_0.5h"'+ \
' outmodel="cterror_cmd2.xml"'+ \
' logfile="cterror_cmd2.log" chatter=1'
# Execute cterror, 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 cterror execution on command line')
# Return
return
# Test cterror from Python
def _test_python(self):
"""
Test cterror from Python.
"""
# Set-up cterror
error = ctools.cterror()
error['inobs'] = 'data/crab_events.fits'
error['inmodel'] = 'data/crab.xml'
error['outmodel'] = 'cterror_py1.xml'
error['srcname'] = 'Crab'
error['caldb'] = 'prod2'
error['irf'] = 'South_0.5h'
error['logfile'] = 'cterror_py1.log'
error['chatter'] = 2
# Run cterror tool
error.logFileOpen() # Make sure we get a log file
error.run()
error.save()
# Check result file
self._check_result_file('cterror_py1.xml')
# Return
return
# Check result file
def _check_result_file(self, filename):
"""
Check result file.
"""
# Open result file
result = gammalib.GModels(filename)
# Check results
self.test_value(result['Crab']['Prefactor'].value(), 1.58907e-16,
1.0e-3, 'Check fitted Crab Prefactor')
self.test_value(result['Crab']['Prefactor'].error(), 0.0529105e-16,
1.0e-3, 'Check Crab Prefactor error')
self.test_value(result['Crab']['Index'].value(), -2.43549,
1.0e-3, 'Check fitted Crab Index')
self.test_value(result['Crab']['Index'].error(), 0.027804,
1.0e-3, 'Check Crab Index error')
self.test_value(result['Background']['Prefactor'].value(), 61.6919e-6,
1.0e-3, 'Check fitted background Prefactor')
self.test_value(result['Background']['Prefactor'].error(), 1.49438e-6,
1.0e-3, 'Check background Prefactor error')
self.test_value(result['Background']['Index'].value(), -2.20535,
1.0e-3, 'Check fitted background Index')
self.test_value(result['Background']['Index'].error(), 0.0113269,
1.0e-3, 'Check background Index error')
self.test_value(result['Background']['Sigma'].value(), 3.04252,
1.0e-3, 'Check fitted background Sigma')
self.test_value(result['Background']['Sigma'].error(), 0.0307008,
1.0e-3, 'Check background Sigma error')
# Return
return