test_GSupport.cpp
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/***************************************************************************
* test_GSupport.cpp - test GSupport classes and GTools functions *
* ----------------------------------------------------------------------- *
* copyright (C) 2010-2011 by Jurgen Knodlseder *
* ----------------------------------------------------------------------- *
* *
* 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/>. *
* *
***************************************************************************/
/**
* @file test_GSupport.cpp
* @brief Testing of support module
* @author J. Knodlseder
*/
/* __ Includes ___________________________________________________________ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cstdlib>
#include <iostream> // cout, cerr
#include <stdexcept> // std::exception
#include "GammaLib.hpp"
#include "GTools.hpp"
/* __ Namespaces _________________________________________________________ */
/* __ Globals ____________________________________________________________ */
/* __ Debug definitions __________________________________________________ */
/***********************************************************************//**
* @brief Test expand_env function
*
* Test the environment variable expansion function.
***************************************************************************/
void test_expand_env(void)
{
// Main test protection
try {
// Declare strings that we use during the tests
std::string s_in;
std::string s_ref;
std::string s_out;
// Test 1: no environment variable
s_in = "This string has no environment variable.";
s_ref = s_in;
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// Get home environment variable
std::string home(std::getenv("HOME"));
// $ENV{HOME} environment variable within string
s_in = "My $ENV{HOME} is my castle.";
s_ref = "My "+home+" is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// $ENV(HOME) environment variable within string
s_in = "My $ENV(HOME) is my castle.";
s_ref = "My "+home+" is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// ${HOME} environment variable within string
s_in = "My ${HOME} is my castle.";
s_ref = "My "+home+" is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// $(HOME) environment variable within string
s_in = "My $(HOME) is my castle.";
s_ref = "My "+home+" is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// $HOME environment variable within string
s_in = "My $HOME is my castle.";
s_ref = "My "+home+" is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// $HOME/path environment variable within string
s_in = "My $HOME/path is my castle.";
s_ref = "My "+home+"/path is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// $HOME environment variable at end of string
s_in = "My $HOME";
s_ref = "My "+home;
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// Environment variable within single quotes
s_in = "My '$(HOME)' is my castle.";
s_ref = s_in;
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// Environment variable within double quotes
s_in = "My \"$(HOME)\" is my castle.";
s_ref = "My \""+home+"\" is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// Non existing environment variable within string
s_in = "My $(HOMEIXYZ) is my castle.";
s_ref = "My is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// Empty environment variable within string
s_in = "My $() is my castle.";
s_ref = "My is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// Two successive environment variables within string
s_in = "My $(HOME)$ENV{HOME} is my castle.";
s_ref = "My "+home+home+" is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// $(HOME) at beginning of string
s_in = "$(HOME) is my castle.";
s_ref = home+" is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// $ENV(HOME) at beginning of string
s_in = "$ENV(HOME) is my castle.";
s_ref = home+" is my castle.";
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// $(HOME) at end of string
s_in = "My castle is $(HOME)";
s_ref = "My castle is "+home;
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// $ENV{HOME}${HOME}$ENV(HOME)$(HOME) only string
s_in = "$ENV{HOME}${HOME}$ENV(HOME)$(HOME)";
s_ref = home+home+home+home;
s_out = expand_env(s_in);
if (s_out != s_ref) {
std::cout << std::endl
<< "TEST ERROR: Unexpected string "
<< "'"+s_out+"' "
<< "(expected '"+s_ref+"')" << std::endl;
throw;
}
std::cout << ".";
// Debugging
//std::cout << std::endl;
//std::cout << s_in << std::endl;
//std::cout << s_ref << std::endl;
//std::cout << s_out << std::endl;
}
catch (std::exception &e) {
std::cout << std::endl
<< "TEST ERROR: Error occured while testing "
<< "environment variable expansion function"
<< "." << std::endl;
std::cout << e.what() << std::endl;
throw;
}
// Exit test
return;
}
/***********************************************************************//**
* @brief Test GTools
*
* Test GTools support functions.
***************************************************************************/
void test_GTools(void)
{
// Dump header
std::cout << "Test GTools: ";
// Test GTools
try {
// Perform tests
test_expand_env();
}
catch (std::exception &e) {
std::cout << std::endl
<< "TEST ERROR: Error occured while testing "
<< "GTools functions"
<< "." << std::endl;
std::cout << e.what() << std::endl;
throw;
}
// Signal final test success
std::cout << " ok." << std::endl;
// Exit test
return;
}
/***********************************************************************//**
* @brief Main test entry point
***************************************************************************/
int main(void)
{
// Dump header
std::cout << std::endl;
std::cout << "***********************************" << std::endl;
std::cout << "* GammaLib support module testing *" << std::endl;
std::cout << "***********************************" << std::endl;
// Execute tests
test_GTools();
// Return
return 0;
}