test_ctbutterfly.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the ctbutterfly tool.
#
# Copyright (C) 2014-2016 Michal Mayer
#
# 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 ctbutterfly tool #
# =============================== #
class Test(gammalib.GPythonTestSuite):
"""
Test class for ctbutterfly 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('ctbutterfly')
# Append tests
self.append(self._test_cmd, 'Test ctbutterfly on command line')
self.append(self._test_python, 'Test ctbutterfly from Python')
# Return
return
# Test ctbutterfly on command line
def _test_cmd(self):
"""
Test ctbutterfly on the command line.
"""
# Kluge to set the command (installed version has no README file)
if os.path.isfile('README.md'):
ctbutterfly = '../src/ctbutterfly/ctbutterfly'
else:
ctbutterfly = 'ctbutterfly'
# Setup ctbutterfly command
cmd = ctbutterfly+' inobs="data/crab_events.fits"'+\
' outfile="ctbutterfly_cmd1.txt"'+ \
' inmodel="data/crab.xml" srcname="Crab"'+ \
' caldb="prod2" irf="South_0.5h"'+ \
' emin=0.1 emax=100.0'+ \
' logfile="ctbutterfly_cmd1.log" chatter=1'
# Execute ctbutterfly, 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 ctbutterfly execution on command line')
# Check result file
self._check_result_file('ctbutterfly_cmd1.txt')
# Setup ctbutterfly command
cmd = ctbutterfly+' inobs="event_file_that_does_not_exist.fits"'+\
' outfile="ctbutterfly_cmd2.txt"'+ \
' inmodel="data/crab.xml" srcname="Crab"'+ \
' caldb="prod2" irf="South_0.5h"'+ \
' emin=0.1 emax=100.0'+ \
' logfile="ctbutterfly_cmd2.log" chatter=1'
# Execute ctbutterfly, 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 ctbutterfly execution on command line')
# Return
return
# Test ctbutterfly from Python
def _test_python(self):
"""
Test ctbutterfly from Python.
"""
# Set-up ctbutterfly
butterfly = ctools.ctbutterfly()
butterfly['inobs'] = 'data/crab_events.fits'
butterfly['inmodel'] = 'data/crab.xml'
butterfly['srcname'] = 'Crab'
butterfly['caldb'] = 'prod2'
butterfly['irf'] = 'South_0.5h'
butterfly['emin'] = 0.1
butterfly['emax'] = 100.0
butterfly['outfile'] = 'ctbutterfly_py1.txt'
butterfly['logfile'] = 'ctbutterfly_py1.log'
butterfly['chatter'] = 2
# Run ctbutterfly tool
butterfly.logFileOpen() # Make sure we get a log file
butterfly.run()
butterfly.save()
# Check result file
self._check_result_file('ctbutterfly_py1.txt')
# Return
return
# Check result file
def _check_result_file(self, filename):
"""
Check result file.
"""
# Open result file as CSV file
results = gammalib.GCsv(filename)
# Check dimensions
self.test_value(results.nrows(), 100, 'Check for 100 rows in butterfly file')
self.test_value(results.ncols(), 4, 'Check for 4 columns in butterfly file')
# Return
return