test_GApplication.py
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# ==========================================================================
# This module performs unit tests for the GammaLib application module
#
# Copyright (C) 2012-2016 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
# ========================================== #
# Test class for GammaLib application module #
# ========================================== #
class Test(gammalib.GPythonTestSuite):
"""
Test class for GammaLib application module
"""
# Constructor
def __init__(self):
"""
Constructor
"""
# Call base class constructor
gammalib.GPythonTestSuite.__init__(self)
# Set members
self._logfile = 'test_logger.log'
# Return
return
# Private methods
def _check_log_file(self, ref, calls):
"""
Check log file versus a reference
Parameters
----------
ref : list of str
Reference lines
calls : list of str
Methods that are tested
"""
# Open log file, read all line and close file
file = open(self._logfile, 'r')
lines = file.readlines()
file.close()
# Check all lines versus reference. There is a special kluge in case
# that the reference is "true\n" as in some Python/SWIG version this
# is displayed by "1\n". Both variants are tested to avoid version
# dependent test results.
for i, line in enumerate(lines):
if ref[i] == 'true\n':
self.test_assert(line == ref[i] or line == '1\n',
'Check '+calls[i]+': '+line)
else:
self.test_value(line, ref[i], 'Check '+calls[i]+': '+line)
# Return
return
# Public methods
def set(self):
"""
Set all test functions
"""
# Set test name
self.name('app')
# Append tests
self.append(self.test_log, 'Test GLog')
self.append(self.test_app, 'Test GApplication')
self.append(self.test_pars, 'Test GApplicationPars')
# Return
return
def test_log(self):
"""
Test GLog class
"""
# Allocate logger
log = gammalib.GLog(self._logfile, True)
# Test print methods
log('Test __call__(std::string)\n')
log(True)
log('\n')
log(41)
log('\n')
log(3.1415)
log('\n')
log.parformat('This is a parameter')
log('\n')
log.toupper('upper case')
log('\n')
log.tolower('LOWER CASE')
log('\n')
log.fill('Higgs', 3)
log('\n')
log.left('Left', 10)
log('\n')
log.right('Right', 10)
log('\n')
log.centre('Centre', 10)
log('\n')
log.header0('Header 0')
log('\n')
log.header1('Header 1')
log.header2('Header 2')
log.header3('Header 3')
# Close logger
log.close()
# Set reference
ref = []
ref.append('Test __call__(std::string)\n')
ref.append('true\n') # New swig version (3.x.y)
ref.append('41\n')
ref.append('3.1415\n')
ref.append(' This is a parameter .......: \n')
ref.append('UPPER CASE\n')
ref.append('lower case\n')
ref.append('HiggsHiggsHiggs\n')
ref.append('Left \n')
ref.append(' Right\n')
ref.append(' Centre \n')
ref.append('\n')
ref.append('+==========+\n')
ref.append('| Header 1 |\n')
ref.append('+==========+\n')
ref.append('+----------+\n')
ref.append('| Header 2 |\n')
ref.append('+----------+\n')
ref.append('=== Header 3 ===\n')
# Set calls for error messages
calls = []
calls.append('__call__(std::string)')
calls.append('__call__(bool)')
calls.append('__call__(int)')
calls.append('__call__(double)')
calls.append('parformat()')
calls.append('toupper()')
calls.append('tolower()')
calls.append('fill()')
calls.append('left()')
calls.append('right()')
calls.append('centre()')
calls.append('header0()')
calls.append('header1()')
calls.append('header1()')
calls.append('header1()')
calls.append('header2()')
calls.append('header2()')
calls.append('header2()')
calls.append('header3()')
# Check log file
self._check_log_file(ref, calls)
# Create copy of logger
cpy_log = log.copy()
# Print one more line into copy
cpy_log.header3('Header 3bis')
# Append reference and call for error message
ref.append('=== Header 3bis ===\n')
calls.append('header3()')
# Check log file again
self._check_log_file(ref, calls)
# Return
return
def test_app(self):
"""
Test GApplication class
"""
# Set PFILES environment variable
os.environ['PFILES'] = os.environ['TEST_DATA']
# Allocate test application
app = gammalib.GApplication('test_GApplication', '1.1.0')
# Check proper allocation of test application
self.test_value(app._name(), 'test_GApplication', 'Check application name')
self.test_value(app._version(), '1.1.0', 'Check application version')
self.test_value(app.pars().size(), 5, 'Check number of parameters')
# Check that we properly can loop over all parameters. The npars
# variable counts the number of iterations. If the parameter "chatter"
# is encounter then set the chattiness to 4
npars = 0
for par in app:
npars += 1
if par.name() == 'chatter':
par.integer(4)
# Check outcome of loop
self.test_value(npars, 5, 'Check number of parameters in loop')
self.test_value(app['chatter'].integer(), 4, 'Check that "chatter" '
'parameter could be stored correctly')
# Return
return
def test_pars(self):
"""
Test GApplicationPars class
"""
# Test GApplicationPars constructor with bad filename
self.test_try('Test GApplicationPars constructor with bad filename')
try:
pars = gammalib.GApplicationPars('testme.par')
self.test_try_failure('Exception not thrown')
except:
self.test_try_success()
else:
self.test_try_failure('This should never happen')
# Return
return