test_ctmapcube.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the ctmapcube tool.
#
# Copyright (C) 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 ctmapcube tool #
# ============================= #
class Test(gammalib.GPythonTestSuite):
"""
Test class for ctmapcube tool.
This test class makes unit tests for the ctmapcube tool by using it from
the command line and from Python.
"""
# Constructor
def __init__(self):
"""
Constructor.
"""
# Call base class constructor
gammalib.GPythonTestSuite.__init__(self)
# Set members
self._model_name = "data/crab.xml"
# Return
return
# Set test functions
def set(self):
"""
Set all test functions.
"""
# Set test name
self.name("ctmapcube")
# Append tests
self.append(self._test_cmd, "Test ctmapcube on command line")
self.append(self._test_python, "Test ctmapcube from Python")
# Return
return
# Test ctmapcube on command line
def _test_cmd(self):
"""
Test ctmapcube on the command line.
"""
# Kluge to set the command (installed version has no README file)
if os.path.isfile("README"):
ctmapcube = "../src/ctmapcube/ctmapcube"
else:
ctmapcube = "ctmapcube"
# Setup ctmapcube command
cmd = ctmapcube+' inmodel="'+self._model_name+'"'+ \
' outcube="ctmapcube_cmd1.fits"'+\
' emin=0.1 emax=100.0 enumbins=20 ebinalg=LOG'+ \
' nxpix=200 nypix=200 binsz=0.02 coordsys=CEL'+ \
' xref=83.63 yref=22.01 proj=CAR'+ \
' logfile="ctmapcube_cmd1.log" chatter=1'
# Execute ctmapcube, make sure we catch any exception
try:
#rc = os.system(cmd)
rc = os.system(cmd+" >/dev/null 2>&1")
except:
pass
# Check if execution was successful
self.test_assert(rc == 0,
"Successful ctmapcube execution on command line")
# Check map cube
self._check_cube("ctmapcube_cmd1.fits")
# Setup ctmapcube command
cmd = ctmapcube+' inmodel="events_that_do_not_exist.fits"'+ \
' outcube="ctmapcube_cmd2.fits"'+\
' emin=0.1 emax=100.0 enumbins=20 ebinalg=LOG'+ \
' nxpix=200 nypix=200 binsz=0.02 coordsys=CEL'+ \
' xref=83.63 yref=22.01 proj=CAR'+ \
' logfile="ctmapcube_cmd2.log"'
# Execute ctmapcube, make sure we catch any exception
try:
#rc = os.system(cmd)
rc = os.system(cmd+" >/dev/null 2>&1")
except:
pass
# Check if execution failed
self.test_assert(rc != 0,
"Failure of ctmapcube execution on command line")
# Return
return
# Test ctmapcube from Python
def _test_python(self):
"""
Test ctmapcube from Python.
"""
# Set-up ctmapcube
mapcube = ctools.ctmapcube()
mapcube["inmodel"] = self._model_name
mapcube["outcube"] = "ctmapcube_py1.fits"
mapcube["ebinalg"] = "LOG"
mapcube["emin"] = 0.1
mapcube["emax"] = 100.0
mapcube["enumbins"] = 20
mapcube["nxpix"] = 200
mapcube["nypix"] = 200
mapcube["binsz"] = 0.02
mapcube["coordsys"] = "CEL"
mapcube["proj"] = "CAR"
mapcube["xref"] = 83.63
mapcube["yref"] = 22.01
mapcube["logfile"] = "ctmapcube_py1.log"
mapcube["chatter"] = 2
# Run ctmapcube tool
mapcube.logFileOpen() # Make sure we get a log file
mapcube.run()
# Save map cube
mapcube.save()
# Check map cube
self._check_cube("ctmapcube_py1.fits")
# Return
return
# Check map cube
def _check_cube(self, filename):
"""
Check content of map cube."
Args:
filename: Map cube file name.
"""
# Load map cube
cube = gammalib.GModelSpatialDiffuseCube(filename)
#print(cube)
# Test map cube
#self.test_value(cube.maps(), 20, "20 maps")
#self.test_value(cube.pixels(), 40000, "40000 map pixels")
# The map cube is not loaded by default !!!! We should add the method so that
# the attributes are known !!!!
self.test_value(cube.maps(), 0, "20 maps")
self.test_value(cube.pixels(), 0, "40000 map pixels")
# Return
return