#! /usr/bin/env python # ========================================================================== # This scripts performs unit tests for the ctpsfcube tool. # # Copyright (C) 2014-2017 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 . # # ========================================================================== import os import gammalib import ctools from testing import test # ============================= # # Test class for ctpsfcube tool # # ============================= # class Test(test): """ Test class for ctpsfcube tool """ # Constructor def __init__(self): """ Constructor """ # Call base class constructor test.__init__(self) # Return return # Set test functions def set(self): """ Set all test functions """ # Set test name self.name('ctpsfcube') # Append tests self.append(self._test_cmd, 'Test ctpsfcube on command line') self.append(self._test_python, 'Test ctpsfcube from Python') # Return return # Test ctpsfcube on command line def _test_cmd(self): """ Test ctpsfcube on the command line. """ # Set tool name ctpsfcube = self._tool('ctpsfcube') # Setup ctpsfcube command cmd = ctpsfcube+' inobs="'+self._events+'"'+ \ ' incube="NONE"'+ \ ' outcube="ctpsfcube_cmd1.fits"'+ \ ' caldb="'+self._caldb+'" irf="'+self._irf+'"'+ \ ' ebinalg="LOG" emin=0.1 emax=100.0 enumbins=20'+ \ ' nxpix=200 nypix=200 binsz=0.02'+ \ ' coordsys="CEL" proj="CAR" xref=83.63 yref=22.01'+ \ ' amax=0.3 anumbins=10'+ \ ' logfile="ctpsfcube_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('ctpsfcube_cmd1.fits') # Setup ctpsfcube command cmd = ctpsfcube+' inobs="event_file_that_does_not_exist.fits"'+ \ ' incube="NONE"'+ \ ' outcube="ctpsfcube_cmd2.fits"'+ \ ' caldb="'+self._caldb+'" irf="'+self._irf+'"'+ \ ' ebinalg="LOG" emin=0.1 emax=100.0 enumbins=20'+ \ ' nxpix=200 nypix=200 binsz=0.02'+ \ ' coordsys="CEL" proj="CAR" xref=83.63 yref=22.01'+ \ ' amax=0.3 anumbins=10'+ \ ' logfile="ctpsfcube_cmd2.log" debug=yes chatter=1' # Check if execution failed self.test_assert(self._execute(cmd) != 0, 'Check invalid input file when executed from command line') # Check ctpsfcube --help self._check_help(ctpsfcube) # Return return # Test ctpsfcube from Python def _test_python(self): """ Test ctpsfcube from Python """ # Allocate ctpsfcube psfcube = ctools.ctpsfcube() # Check that empty ctpsfcube tool holds a PSF cube that has no energy # bins self._check_cube(psfcube.psfcube(), nenergies=0) # Check that saving does not nothing psfcube['outcube'] = 'ctpsfcube_py0.fits' psfcube['logfile'] = 'ctpsfcube_py0.log' psfcube.logFileOpen() psfcube.save() self.test_assert(not os.path.isfile('ctpsfcube_py0.fits'), 'Check that no PSF cube has been created') # Check that clearing does not lead to an exception or segfault psfcube.clear() # Now set ctpsfcube parameters psfcube['inobs'] = self._events psfcube['incube'] = 'NONE' psfcube['caldb'] = self._caldb psfcube['irf'] = self._irf psfcube['ebinalg'] = 'LOG' psfcube['emin'] = 0.1 psfcube['emax'] = 100 psfcube['enumbins'] = 20 psfcube['nxpix'] = 10 psfcube['nypix'] = 10 psfcube['binsz'] = 0.4 psfcube['coordsys'] = 'CEL' psfcube['proj'] = 'CAR' psfcube['xref'] = 83.63 psfcube['yref'] = 22.01 psfcube['amax'] = 0.3 psfcube['anumbins'] = 10 psfcube['outcube'] = 'ctpsfcube_py1.fits' psfcube['logfile'] = 'ctpsfcube_py1.log' psfcube['chatter'] = 2 # Run ctpsfcube tool psfcube.logFileOpen() # Make sure we get a log file psfcube.run() psfcube.save() # Check result file self._check_result_file('ctpsfcube_py1.fits') # Copy ctpsfcube tool cpy_psfcube = psfcube.copy() # Check PSF cube of ctpsfcube copy self._check_cube(cpy_psfcube.psfcube()) # Execute copy of ctpsfcube tool again, now with a higher chatter # level than before cpy_psfcube['emin'] = 0.2 cpy_psfcube['emax'] = 150.0 cpy_psfcube['outcube'] = 'ctpsfcube_py2.fits' cpy_psfcube['logfile'] = 'ctpsfcube_py2.log' cpy_psfcube['addbounds'] = True cpy_psfcube['chatter'] = 3 cpy_psfcube.logFileOpen() # Needed to get a new log file cpy_psfcube.execute() # Check result file self._check_result_file('ctpsfcube_py2.fits', nenergies=23) # Now clear copy of ctpsfcube tool cpy_psfcube.clear() # Check that the cleared copy has also cleared the PSF cube self._check_cube(cpy_psfcube.psfcube(), nenergies=0) # Get mixed observation container obs = self._obs_mixed() # Set-up ctpsfcube from observation container and input counts # cube psfcube = ctools.ctpsfcube(obs) psfcube['incube'] = self._cntcube psfcube['caldb'] = self._caldb psfcube['irf'] = self._irf #psfcube['ebinalg'] = 'LOG' #psfcube['emin'] = 0.1 #psfcube['emax'] = 100 #psfcube['enumbins'] = 20 #psfcube['nxpix'] = 10 #psfcube['nypix'] = 10 #psfcube['binsz'] = 0.4 #psfcube['coordsys'] = 'CEL' #psfcube['proj'] = 'CAR' #psfcube['xref'] = 83.63 #psfcube['yref'] = 22.01 psfcube['amax'] = 0.3 psfcube['anumbins'] = 10 psfcube['addbounds'] = True psfcube['outcube'] = 'ctpsfcube_py3.fits' psfcube['logfile'] = 'ctpsfcube_py3.log' psfcube['chatter'] = 4 # Execute ctpsfcube tool psfcube.logFileOpen() # Make sure we get a log file psfcube.execute() # Check result file self._check_result_file('ctpsfcube_py3.fits') # Return return # Check result file def _check_result_file(self, filename, nenergies=21): """ Check result file Parameters ---------- filename : str PSF cube file name nenergies : int, optional Number of energy bins """ # Open PSF cube cube = gammalib.GCTACubePsf(filename) # Check cube self._check_cube(cube, nenergies=nenergies) # Return return # Check PSF cube def _check_cube(self, cube, nenergies=21): """ Check PSF cube Parameters ---------- cube : `~gammalib.GCTACubePsf` PSF cube nenergies : int, optional Number of energy bins """ # Check dimensions self.test_value(len(cube.energies()), nenergies, 'Check number of energy maps') # Return return