test_cstsmapmerge.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the cstsmapmerge script
#
# Copyright (C) 2016-2017 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 cstsmapmerge script #
# ================================== #
class Test(test):
"""
Test class for cstsmapmerge script
This test class makes unit tests for the cstsmapmerge 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._map0 = self._datadir + '/tsmap_0.fits'
self._map1 = self._datadir + '/tsmap_1.fits'
self._mapstar = self._datadir + '/tsmap_*.fits'
self._mapat = '@' + self._datadir + '/tsmaps.txt'
# Return
return
# Set test functions
def set(self):
"""
Set all test functions
"""
# Set test name
self.name('cstsmapmerge')
# Append tests
self.append(self._test_cmd, 'Test cstsmapmerge on command line')
self.append(self._test_python, 'Test cstsmapmerge from Python')
# Return
return
# Test cstsmapmerge on command line
def _test_cmd(self):
"""
Test cstsmapmerge on the command line
"""
# Set script name
cstsmapmerge = self._script('cstsmapmerge')
# Setup cstsmapmerge command
cmd = cstsmapmerge+' inmaps="'+self._map0+';'+self._map1+'"'+ \
' outmap="cstsmapmerge_cmd1.fits"'+ \
' logfile="cstsmapmerge_cmd1.log" chatter=1'
# Check if execution of wrong command fails
self.test_assert(self._execute('command_that_does_not_exist') != 0,
'Self test of test script')
# 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('cstsmapmerge_cmd1.fits')
# Setup cstsmapmerge command
cmd = cstsmapmerge+' inmaps="map_that_does_not_exist.fits"'+ \
' outmap="cstsmapmerge_cmd2.fits"'+ \
' logfile="cstsmapmerge_cmd2.log" chatter=2'
# Check if execution failed
self.test_assert(self._execute(cmd) != 0,
'Check invalid input file when executed from command line')
# Check cstsmapmerge --help
self._check_help(cstsmapmerge)
# Return
return
# Test cstsmapmerge from Python
def _test_python(self):
"""
Test cstsmapmerge from Python
"""
# Set-up semi-colon separated cstsmapmerge
merge = cscripts.cstsmapmerge()
merge['inmaps'] = self._map0+';'+self._map1
merge['outmap'] = 'cstsmapmerge_py1.fits'
merge['logfile'] = 'cstsmapmerge_py1.log'
merge['chatter'] = 2
# Run cstsmapmerge script
merge.logFileOpen() # Make sure we get a log file
merge.run()
merge.save()
# Check merged TS map
self._check_result_file('cstsmapmerge_py1.fits')
# Set-up space-separated cstsmapmerge
merge = cscripts.cstsmapmerge()
merge['inmaps'] = self._map0+' '+self._map1
merge['outmap'] = 'cstsmapmerge_py2.fits'
merge['logfile'] = 'cstsmapmerge_py2.log'
merge['chatter'] = 3
# Run cstsmapmerge script
merge.execute()
# Check merged TS map
self._check_result_file('cstsmapmerge_py2.fits')
# Set-up wildcard string cstsmapmerge
merge = cscripts.cstsmapmerge()
merge['inmaps'] = self._mapstar
merge['outmap'] = 'cstsmapmerge_py3.fits'
merge['logfile'] = 'cstsmapmerge_py3.log'
merge['chatter'] = 4
# Run cstsmapmerge script
merge.execute()
# Check merged TS map
self._check_result_file('cstsmapmerge_py3.fits')
# Set-up ASCII file cstsmapmerge
merge = cscripts.cstsmapmerge()
merge['inmaps'] = self._mapat
merge['outmap'] = 'cstsmapmerge_py4.fits'
merge['logfile'] = 'cstsmapmerge_py4.log'
merge['chatter'] = 4
# Run cstsmapmerge script
merge.execute()
# Check merged TS map
self._check_result_file('cstsmapmerge_py4.fits')
# Set-up cstsmapmerge with incomplete file list
merge = cscripts.cstsmapmerge()
merge['inmaps'] = self._map0 + ' ' + self._events
merge['outmap'] = 'cstsmapmerge_py5.fits'
merge['logfile'] = 'cstsmapmerge_py5.log'
merge['chatter'] = 4
# Run cstsmapmerge script
merge.execute()
# Check merged TS map
self._check_result_file('cstsmapmerge_py5.fits', False)
# Return
return
# Check result file
def _check_result_file(self, filename, test_complete = True):
"""
Check result file
"""
# Open result file
fits = gammalib.GFits(filename)
# Get HDUs
ts = fits['Primary']
prefactor = fits['Prefactor']
index = fits['Index']
status = fits['STATUS MAP']
# Check dimensions
self.test_value(ts.naxis(), 2, 'Check for 2 dimensions')
self.test_value(ts.naxes(0), 2, 'Check for 2 pixels in X')
self.test_value(ts.naxes(1), 1, 'Check for 1 pixel in Y')
self.test_value(prefactor.naxis(), 2, 'Check for 2 dimensions')
self.test_value(prefactor.naxes(0), 2, 'Check for 2 pixels in X')
self.test_value(prefactor.naxes(1), 1, 'Check for 1 pixel in Y')
self.test_value(index.naxis(), 2, 'Check for 2 dimensions')
self.test_value(index.naxes(0), 2, 'Check for 2 pixels in X')
self.test_value(index.naxes(1), 1, 'Check for 1 pixel in Y')
self.test_value(status.naxis(), 2, 'Check for 2 dimensions')
self.test_value(status.naxes(0), 2, 'Check for 2 pixels in X')
self.test_value(status.naxes(1), 1, 'Check for 1 pixel in Y')
# Initialise flag if map is complete
done = True
# Loop over status sky map
for pix in status:
# Check if pix is larger than threshold
if pix < -0.5:
done = False
break
# Test for completeness of merged map
self.test_assert(done == test_complete, 'Test if map was merged completely')
# Return
return