test_cstsdist.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the cstsdist script.
#
# Copyright (C) 2016-2018 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 cstsdist script #
# ============================== #
class Test(test):
"""
Test class for cstsdist script
This test class makes unit tests for the cstsdist 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._stacked_inobs = self._datadir + '/obs_stacked.xml'
self._stacked_model = self._datadir + '/crab_bkgcube.xml'
# Return
return
# Set test functions
def set(self):
"""
Set all test functions
"""
# Set test name
self.name('cstsdist')
# Append tests
self.append(self._test_cmd, 'Test cstsdist on command line')
self.append(self._test_python_unbinned,
'Test cstsdist from Python in unbinned mode')
self.append(self._test_python_binned,
'Test cstsdist from Python in binned mode')
self.append(self._test_python_stacked,
'Test cstsdist from Python in stacked mode')
# Return
return
# Test cstsdist on command line
def _test_cmd(self):
"""
Test cstsdist on the command line
"""
# Set script name
cstsdist = self._script('cstsdist')
# Setup cstsdist command
cmd = cstsdist+' inobs="'+self._events+'"'+ \
' inmodel="'+self._model+'" srcname="Crab"'+ \
' caldb="'+self._caldb+'" irf="'+self._irf+'"'+ \
' ntrials=2 '+ \
' outfile="cstsdist_cmd1.dat"'+ \
' logfile="cstsdist_cmd1.log" chatter=2'
# 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('cstsdist_cmd1.dat')
# Setup cstsdist command
cmd = cstsdist+' inobs="event_file_that_does_not_exist.xml"'+ \
' inmodel="'+self._model+'" srcname="Crab"'+ \
' caldb="'+self._caldb+'" irf="'+self._irf+'"'+ \
' ntrials=1 '+ \
' outfile="cstsdist_cmd2.dat"'+ \
' logfile="cstsdist_cmd2.log" chatter=2'
# Check if execution failed
self.test_assert(self._execute(cmd, success=False) != 0,
'Check invalid input file when executed from command line')
# Check cstsdist --help
self._check_help(cstsdist)
# Return
return
# Test cstsdist from Python
def _test_python_unbinned(self):
"""
Test cstsdist from Python
"""
# Set-up cstsdist for event list
tsdist = cscripts.cstsdist()
tsdist['inobs'] = self._events
tsdist['inmodel'] = self._model
tsdist['srcname'] = 'Crab'
tsdist['caldb'] = self._caldb
tsdist['irf'] = self._irf
tsdist['ntrials'] = 2
tsdist['outfile'] = 'cstsdist_py1.dat'
tsdist['logfile'] = 'cstsdist_py1.log'
tsdist['chatter'] = 3
# Run cstsdist script
tsdist.logFileOpen() # Make sure we get a log file
tsdist.run()
tsdist.save()
# Check pull distribution file
self._check_result_file('cstsdist_py1.dat')
# Return
return
def _test_python_binned(self):
"""
Test cstsdist from Python
"""
# Set-up cstsdist for counts cube
tsdist = cscripts.cstsdist()
tsdist['inobs'] = self._cntcube
tsdist['inmodel'] = self._model
tsdist['srcname'] = 'Crab'
tsdist['expcube'] = 'NONE'
tsdist['psfcube'] = 'NONE'
tsdist['bkgcube'] = 'NONE'
tsdist['caldb'] = self._caldb
tsdist['irf'] = self._irf
tsdist['ntrials'] = 2
tsdist['outfile'] = 'cstsdist_py2.dat'
tsdist['logfile'] = 'cstsdist_py2.log'
tsdist['chatter'] = 4
# Run cstsdist script
tsdist.logFileOpen() # Make sure we get a log file
tsdist.execute()
# Check pull distribution file
self._check_result_file('cstsdist_py2.dat')
# Return
return
def _test_python_stacked(self):
"""
Test cstsdist from Python
"""
# Set-up cstsdist for stacked cube
tsdist = cscripts.cstsdist()
tsdist['inobs'] = self._stacked_inobs
tsdist['inmodel'] = self._stacked_model
tsdist['srcname'] = 'Crab'
tsdist['ntrials'] = 2
tsdist['outfile'] = 'cstsdist_py3.dat'
tsdist['logfile'] = 'cstsdist_py3.log'
tsdist['chatter'] = 4
# Run cstsdist script
tsdist.logFileOpen() # Make sure we get a log file
tsdist.execute()
# Check pull distribution file
self._check_result_file('cstsdist_py3.dat')
# Return
return
# Check result file
def _check_result_file(self, filename, nrows=3, ncols=9):
"""
Check result file
Parameters
----------
filename : str
Name of result file
nrows : int, optional
Required number of rows
ncols : int, optional
Required number of columns
"""
# Open result file as CSV file
results = gammalib.GCsv(filename, ',')
# Check dimensions
self.test_value(results.nrows(), nrows, 'Check rows in TS file')
self.test_value(results.ncols(), ncols, 'Check columns in TS file')
# Return
return