#! /usr/bin/env python # ========================================================================== # This scripts performs unit tests for the ctexpcube 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 ctexpcube tool # # ============================= # class Test(test): """ Test class for ctexpcube 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('ctexpcube') # Append tests self.append(self._test_cmd, 'Test ctexpcube on command line') self.append(self._test_python, 'Test ctexpcube from Python') # Return return # Test ctexpcube on command line def _test_cmd(self): """ Test ctexpcube on the command line """ # Set tool name ctexpcube = self._tool('ctexpcube') # Setup ctexpcube command cmd = ctexpcube+' inobs="'+self._events+'"'+ \ ' incube="NONE"'+ \ ' outcube="ctexpcube_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'+ \ ' logfile="ctexpcube_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('ctexpcube_cmd1.fits') # Setup ctexpcube command cmd = ctexpcube+' inobs="event_file_that_does_not_exist.fits"'+ \ ' incube="NONE"'+ \ ' outcube="ctexpcube_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'+ \ ' logfile="ctexpcube_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 ctexpcube --help self._check_help(ctexpcube) # Return return # Test ctexpcube from Python def _test_python(self): """ Test ctexpcube from Python """ # Allocate ctexpcube expcube = ctools.ctexpcube() # Check that empty ctexpcube tool holds an exposure cube that has # no energy bins self._check_cube(expcube.expcube(), nenergies=0) # Check that saving does not nothing expcube['outcube'] = 'ctexpcube_py0.fits' expcube['logfile'] = 'ctexpcube_py0.log' expcube.logFileOpen() expcube.save() self.test_assert(not os.path.isfile('ctexpcube_py0.fits'), 'Check that no exposure cube has been created') # Check that clearing does not lead to an exception or segfault expcube.clear() # Now set ctexpcube parameters expcube['inobs'] = self._events expcube['incube'] = 'NONE' expcube['caldb'] = self._caldb expcube['irf'] = self._irf expcube['ebinalg'] = 'LOG' expcube['emin'] = 0.1 expcube['emax'] = 100.0 expcube['enumbins'] = 20 expcube['nxpix'] = 200 expcube['nypix'] = 200 expcube['binsz'] = 0.02 expcube['coordsys'] = 'CEL' expcube['proj'] = 'CAR' expcube['xref'] = 83.63 expcube['yref'] = 22.01 expcube['logfile'] = 'ctexpcube_py1.log' expcube['outcube'] = 'ctexpcube_py1.fits' expcube['chatter'] = 2 # Run ctexpcube tool expcube.logFileOpen() # Make sure we get a log file expcube.run() expcube.save() # Check result file self._check_result_file('ctexpcube_py1.fits') # Copy ctexpcube tool cpy_expcube = expcube.copy() # Check exposure cube of ctexpcube copy self._check_cube(cpy_expcube.expcube()) # Execute copy of ctexpcube tool again, now with a higher chatter # level than before cpy_expcube['emin'] = 0.2 cpy_expcube['emax'] = 150.0 cpy_expcube['outcube'] = 'ctexpcube_py2.fits' cpy_expcube['logfile'] = 'ctexpcube_py2.log' cpy_expcube['publish'] = True cpy_expcube['addbounds'] = True cpy_expcube['chatter'] = 3 cpy_expcube.logFileOpen() # Needed to get a new log file cpy_expcube.execute() # Check result file self._check_result_file('ctexpcube_py2.fits', nenergies=23) # Now clear copy of ctexpcube tool cpy_expcube.clear() # Check that the cleared copy has also cleared the exposure cube self._check_cube(cpy_expcube.expcube(), nenergies=0) # Get mixed observation container obs = self._obs_mixed() # Set-up ctexpcube from observation container expcube = ctools.ctexpcube(obs) expcube['incube'] = 'NONE' expcube['caldb'] = self._caldb expcube['irf'] = self._irf expcube['ebinalg'] = 'LOG' expcube['emin'] = 0.1 expcube['emax'] = 100.0 expcube['enumbins'] = 20 expcube['nxpix'] = 200 expcube['nypix'] = 200 expcube['binsz'] = 0.02 expcube['coordsys'] = 'CEL' expcube['proj'] = 'CAR' expcube['xref'] = 83.63 expcube['yref'] = 22.01 expcube['logfile'] = 'ctexpcube_py3.log' expcube['outcube'] = 'ctexpcube_py3.fits' expcube['chatter'] = 4 # Execute ctexpcube tool expcube.logFileOpen() # Needed to get a new log file expcube.execute() # Check result file self._check_result_file('ctexpcube_py3.fits') # Return return # Check result file def _check_result_file(self, filename, nenergies=21): """ Check result file Parameters ---------- filename : str Exposure cube file name nenergies : int, optional Number of energy bins """ # Open exposure cube cube = gammalib.GCTACubeExposure(filename) # Check cube self._check_cube(cube, nenergies=nenergies) # Return return # Check exposure cube def _check_cube(self, cube, nenergies=21): """ Check exposure cube Parameters ---------- cube : `~gammalib.GCTACubeExposure` Exposure cube nenergies : int, optional Number of energy bins """ # Check dimensions self.test_value(len(cube.energies()), nenergies, 'Check number of energy maps') # Return return