tests.cpp

/********************************************************************************
 *  FARSA Experiments Library                                                   *
 *  Copyright (C) 2007-2012                                                     *
 *  Piero Savastano <piero.savastano@istc.cnr.it>                               *
 *  Tomassino Ferrauto <tomassino.ferrauto@istc.cnr.it>                         *
 *  Stefano Nolfi <stefano.nolfi@istc.cnr.it>                                   *
 *  Onofrio Gigliotta <onofrio.gigliotta@istc.cnr.it>                           *
 *  Gianluca Massera <emmegian@yahoo.it>                                        *
 *                                                                              *
 *  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 2 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, write to the Free Software                 *
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA  *
 ********************************************************************************/

#include "tests.h"
#include "factory.h"
#include "evorobotcomponent.h"
#include "evorobotexperiment.h"
#include "logger.h"
#include "configurationhelper.h"

#include <iostream>

namespace farsa {

TestRandom::TestRandom() :
    AbstractTest()
{
    m_menuText = "Random Individual";
    m_tooltip = "Create a random genotype and it will run a test on it";
    m_iconFilename = QString();
}

TestRandom::~TestRandom()
{
}

int* TestRandom::buildRandomDNA()
{
    EvoRobotExperiment* exp = component()->getGA()->getEvoRobotExperiment();
    //get genome length and build new array
    int length = exp->getGenomeLength();
    int* randomDna = new int[length];

    //overwrite .phe parameters
    exp->getNeuralNetwork()->copyPheParameters(randomDna);

    //randomize genes
    for(int i=0; i<length; i++)
        if(randomDna[i] == Evonet::DEFAULT_VALUE)
            randomDna[i] = rand()%256;

    return randomDna;
}

void TestRandom::configure(ConfigurationParameters& params, QString prefix) {
    AbstractTest::configure( params, prefix );
}

void TestRandom::save(ConfigurationParameters& params, QString prefix) {
    AbstractTest::save( params, prefix );
    params.startObjectParameters( prefix, "TestRandom", this );
}

void TestRandom::describe( QString type ) {
    Descriptor d = addTypeDescription( type, "Create a random individual and test it" );
}

void TestRandom::runTest()
{
    Logger::info( "Test Random Individual - Starting the test of an agent with a random DNA" );

    // Setting seed to 0, here with a random DNA the seed number is not important
    component()->getGA()->setSeed(0);
    EvoRobotExperiment* exp = component()->getGA()->getEvoRobotExperiment();
    exp->setActivityPhase( EvoRobotExperiment::INTEST );
    // get a random genotype and set it on the net
    int* dna = buildRandomDNA();
    exp->setNetParameters(dna);
    // initialize the experiment
    exp->initGeneration(0);
    exp->doAllTrialsForIndividual(0);
    exp->endGeneration(0);
    delete []dna;
}

TestIndividual::TestIndividual() :
    AbstractTest(),
    idIndividual(0),
    populationFile(),
    populationLoaded(true)
{
    m_menuText = "Selected Individual";
    m_tooltip = "Run a test on the individual selected with \"Individual to Test\" view";
    m_iconFilename = QString();
}

TestIndividual::~TestIndividual()
{
}

void TestIndividual::configure(ConfigurationParameters& params, QString prefix) {
    AbstractTest::configure( params, prefix );
    QString filename = ConfigurationHelper::getString( params, prefix+"populationFile", QString() );
    if ( !filename.isEmpty() ) {
        setPopulationToTest( filename );
    }
    idIndividual = ConfigurationHelper::getInt( params, prefix+"idIndividual", 0 );
}

void TestIndividual::save(ConfigurationParameters& params, QString prefix) {
    AbstractTest::save( params, prefix );
    params.startObjectParameters( prefix, "TestIndividual", this );
    if ( !populationFile.isEmpty() ) {
        params.createParameter( prefix, "populationFile", populationFile );
    }
    params.createParameter( prefix, "idIndividual", QString::number(idIndividual) );
}

void TestIndividual::describe( QString type ) {
    Descriptor d = addTypeDescription( type, "Test an individual from a saved genome" );
    d.describeString( "populationFile" ).help( "The name of the file from wich to load the genotypes to test" );
    d.describeInt( "idIndividual" ).limits( 0, MaxInteger ).help( "The id of the individual to test" );
}

void TestIndividual::runTest()
{
    if ( !populationLoaded ) {
        component()->getGA()->loadGenotypes(populationFile);
        // extract the number of corresponding seed
        QRegExp reg("[BG][0-9]+S([0-9]+).gen");
        reg.indexIn( populationFile );
        component()->getGA()->setSeed( reg.cap(1).toInt() );
        Logger::info( QString("TestIndividual - Loaded Genome from %1").arg(populationFile) );
        populationLoaded = true;
    }
    Logger::info( QString("TestIndividual - Start of the Test of Individual %1").arg(idIndividual) );
    EvoRobotExperiment* exp = component()->getGA()->getEvoRobotExperiment();
    exp->setActivityPhase( EvoRobotExperiment::INTEST );
    exp->setNetParameters( component()->getGA()->getGenesForIndividual(idIndividual) );
    exp->initGeneration(0);
    exp->doAllTrialsForIndividual(idIndividual);
    exp->endGeneration(0);
    Logger::info( QString("TestIndividual - End of the Test of Individual %1").arg(idIndividual) );
}

void TestIndividual::setIndividualToTest( int idIndividual ) {
    this->idIndividual = idIndividual;
}

void TestIndividual::setPopulationToTest( QString filename, bool deferLoading ) {
    if ( populationFile != filename ) {
        populationFile = filename;
        populationLoaded = false;
    }
    if ( !deferLoading ) {
        component()->getGA()->loadGenotypes(populationFile);
        // extract the number of corresponding seed
        QRegExp reg("[BG][0-9]+S([0-9]+).gen");
        reg.indexIn( populationFile );
        component()->getGA()->setSeed( reg.cap(1).toInt() );
        Logger::info( QString("TestIndividual - Loaded Genome from %1").arg(populationFile) );
        populationLoaded = true;
    }
}

} //end namespace farsa