// src/testsuite/test-python_loader.cc - Copyright 2005, 2006, University
//               of Padova, dept. of Pure and Applied
//               Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

/* This executable tests for workingness of the PythonPolicyManager
 * class and its closely related cousins. More documentation to be written
 * here, thanks very much. */

#include "../python_policy_manager.hh"
#include "../python_policy.hh"
#include "global_settings.hh"
#include "schedulable_queue.hh"
#include "scheduler.hh"
#include "user_interrupt_exception.hh"

#include <Python.h>
#include <glibmm/module.h>

#include <cassert>
#include <iostream>
#include <string>

// FIXME: Eeeeh? Why does this work without explicit namespace resolving?
// Is there some using declaration in included HEADERS?? Aaaaagh!

class TestPythonPolicyManager : public PythonPolicyManager {
public:
  void test_init(const char* policy_name) {
    init();
    _python_policy = std::auto_ptr<PythonPolicy>(new PythonPolicy(policy_name));
  }
};


int
main(int argc, char** argv) {
    using namespace sgpem;
    using namespace std;

    int successes = 0;

    if(argc != 2) {
	std::cout << "[EE] Usage:\n\t" << argv[0] << 
	    " path/to/uninstalled/policies" << std::endl;
	exit(-1);
    }
    else 
      // Add argv[1] as the directory to search for uninstalled policies
      sgpem::GlobalSettings::instance().add_policies_dir(argv[1]);

    // Self-register itself to Scheduler, however we don't care about it
    TestPythonPolicyManager polman;

    try 
    {
	polman.test_init("python_loader_configure");
	polman.get_policy().configure();
    } 
    catch(UserInterruptException e) 
    {
	cout << "configure: Caught UserInterruptException" << endl;
	successes++;
    }
	

    try
    {
	polman.test_init("python_loader_is_preemptive");
	polman.get_policy().is_pre_emptive();
    } 
    catch(UserInterruptException e) 
    {
	cout << "is_preemptive: Caught UserInterruptException" << endl;
	successes++;
    }

    try
    {
	polman.test_init("python_loader_get_time_slice");
	polman.get_policy().get_time_slice();
    }
    catch(UserInterruptException e)
    {
	cout << "get_time_slice: Caught UserInterruptException" << endl;
	successes++;
    }


    try 
    {
	SchedulableQueue sl;
	polman.test_init("python_loader_sort_queue");
	polman.get_policy().sort_queue();
    }
    catch(UserInterruptException e)
    {
	cout << "sort_queue: Caught UserInterruptException" << endl;
	successes++;
    } 

    cout << "Result: catched " << successes 
	 << " exceptions out of 4." << endl;

    exit(0);
}