test_ctskymap.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the ctskymap 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 ctskymap tool #
# ============================ #
class Test(gammalib.GPythonTestSuite):
"""
Test class for ctskymap 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('ctskymap')
# Append tests
self.append(self._test_cmd, 'Test ctskymap on command line')
self.append(self._test_python, 'Test ctskymap from Python')
# Return
return
# Test ctskymap on command line
def _test_cmd(self):
"""
Test ctskymap on the command line.
"""
# Kluge to set the command (installed version has no README file)
if os.path.isfile('README.md'):
ctskymap = '../src/ctskymap/ctskymap'
else:
ctskymap = 'ctskymap'
# Setup ctskymap command
cmd = ctskymap+' inobs="data/crab_events.fits"'+\
' outmap="ctskymap_cmd1.fits"'+ \
' emin=0.1 emax=100.0 nxpix=200 nypix=200'+ \
' binsz=0.02 coordsys="CEL" proj="CAR"'+ \
' xref=83.63 yref=22.01'+ \
' logfile="ctskymap_cmd1.log" chatter=1'
# Execute ctskymap, 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 ctskymap execution on command line')
# Check result file
self._check_result_file('ctskymap_cmd1.fits')
# Setup ctskymap command
cmd = ctskymap+' inobs="event_file_that_does_not_exist.fits"'+\
' outmap="ctskymap_cmd2.fits"'+ \
' emin=0.1 emax=100.0 nxpix=200 nypix=200'+ \
' binsz=0.02 coordsys="CEL" proj="CAR"'+ \
' xref=83.63 yref=22.01'+ \
' logfile="ctskymap_cmd2.log" chatter=2'
# Execute ctskymap, 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 ctskymap execution on command line')
# Return
return
# Test ctskymap from Python
def _test_python(self):
"""
Test ctskymap from Python.
"""
# Set-up ctskymap
skymap = ctools.ctskymap()
skymap['inobs'] = 'data/crab_events.fits'
skymap['outmap'] = 'ctskymap_py1.fits'
skymap['emin'] = 0.1
skymap['emax'] = 100
skymap['nxpix'] = 200
skymap['nypix'] = 200
skymap['binsz'] = 0.02
skymap['coordsys'] = 'CEL'
skymap['proj'] = 'CAR'
skymap['xref'] = 83.63
skymap['yref'] = 22.01
skymap['logfile'] = 'ctskymap_py1.log'
skymap['chatter'] = 2
# Run ctskymap tool
skymap.logFileOpen() # Make sure we get a log file
skymap.run()
skymap.save()
# Check result file
self._check_result_file('ctskymap_py1.fits')
# Return
return
# Check result file
def _check_result_file(self, filename):
"""
Check result file.
"""
# Open result file
result = gammalib.GSkyMap(filename)
# Check dimensions
self.test_value(result.nmaps(), 1, 'Check for one map')
self.test_value(result.nx(), 200, 'Check for 200 pixels in X')
self.test_value(result.ny(), 200, 'Check for 200 pixels in Y')
# Return
return