/*
 * Project: MoleCuilder
 * Description: creates and alters molecular systems
 * Copyright (C)  2010 University of Bonn. All rights reserved.
 * Please see the LICENSE file or "Copyright notice" in builder.cpp for details.
 */

/*
 * ParserTremoloUnitTest.cpp
 *
 *  Created on: Mar 3, 2010
 *      Author: metzler
 */

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "ParserTremoloUnitTest.hpp"

#include <cppunit/CompilerOutputter.h>
#include <cppunit/extensions/TestFactoryRegistry.h>
#include <cppunit/ui/text/TestRunner.h>

#include "Parser/MpqcParser.hpp"
#include "Parser/PdbParser.hpp"
#include "Parser/PcpParser.hpp"
#include "Parser/TremoloParser.hpp"
#include "Parser/XyzParser.hpp"
#include "World.hpp"
#include "atom.hpp"
#include "element.hpp"
#include "periodentafel.hpp"
#include "Descriptors/AtomTypeDescriptor.hpp"

#ifdef HAVE_TESTRUNNER
#include "UnitTestMain.hpp"
#endif /*HAVE_TESTRUNNER*/

using namespace std;

// Registers the fixture into the 'registry'
CPPUNIT_TEST_SUITE_REGISTRATION( ParserTremoloUnitTest );

static string Tremolo_Atomdata1 = "# ATOMDATA\tId\tname\tType\tx=3\n";
static string Tremolo_Atomdata2 = "#\n#ATOMDATA Id name Type x=3\n1 hydrogen H 3.0 4.5 0.1\n\n";
static string Tremolo_invalidkey = "#\n#ATOMDATA Id name foo Type x=3\n\n\n";
static string Tremolo_velocity = "#\n#ATOMDATA Id name Type u=3\n1 hydrogen H 3.0 4.5 0.1\n\n";
static string Tremolo_neighbours = "#\n#ATOMDATA Id Type neighbors=2\n1 H 3 0\n2 H 3 0\n3 O 1 2\n";
static string Tremolo_improper = "#\n#ATOMDATA Id Type imprData\n8 H 9-10\n9 H 10-8,8-10\n10 O -\n";
static string Tremolo_torsion = "#\n#ATOMDATA Id Type torsion\n8 H 9-10\n9 H 10-8,8-10\n10 O -\n";
static string Tremolo_full = "# ATOMDATA\tx=3\tu=3\tF\tstress\tId\tneighbors=5\timprData\tGroupMeasureTypeNo\tType\textType\tname\tresName\tchainID\tresSeq\toccupancy\ttempFactor\tsegID\tCharge\tcharge\tGrpTypeNo\ttorsion\n0\t0\t0\t0\t0\t0\t0\t0\t1\t0\t0\t0\t0\t0\t-\t0\tH\t-\t-\t-\t0\t0\t0\t0\t0\t0\t0\t0\t-\t\n";

void ParserTremoloUnitTest::setUp() {
  World::getInstance();

  // we need hydrogens and oxygens in the following tests
  CPPUNIT_ASSERT(World::getInstance().getPeriode()->FindElement(1) != NULL);
  CPPUNIT_ASSERT(World::getInstance().getPeriode()->FindElement(8) != NULL);
}

void ParserTremoloUnitTest::tearDown() {
  ChangeTracker::purgeInstance();
  World::purgeInstance();
}

/************************************ tests ***********************************/

void ParserTremoloUnitTest::readTremoloPreliminaryCommentsTest() {
  cout << "Testing the tremolo parser." << endl;
  TremoloParser* testParser = new TremoloParser();
  stringstream input, output;

  // Atomdata beginning with "# ATOMDATA"
  {
    input << Tremolo_Atomdata1;
    testParser->load(&input);
    std::vector<atom *> atoms = World::getInstance().getAllAtoms();
    testParser->save(&output, atoms);
    CPPUNIT_ASSERT(Tremolo_Atomdata1 == output.str());
    input.clear();
    output.clear();
  }

  // Atomdata beginning with "#ATOMDATA"
  {
    input << Tremolo_Atomdata2;
    testParser->load(&input);
    std::vector<atom *> atoms = World::getInstance().getAllAtoms();
    testParser->save(&output, atoms);
    CPPUNIT_ASSERT(output.str().find("hydrogen") != string::npos);
    input.clear();
    output.clear();
  }

  // Invalid key in Atomdata line
  input << Tremolo_invalidkey;
  testParser->load(&input);
  //TODO: prove invalidity
  input.clear();
}

void ParserTremoloUnitTest::readTremoloCoordinatesTest() {
  TremoloParser* testParser = new TremoloParser();
  stringstream input;

  // One simple data line
  input << Tremolo_Atomdata2;
  testParser->load(&input);
  CPPUNIT_ASSERT(World::getInstance().getAtom(AtomByType(1))->at(0) == 3.0);
  input.clear();
}

void ParserTremoloUnitTest::readTremoloVelocityTest() {
  TremoloParser* testParser = new TremoloParser();
  stringstream input;

  // One simple data line
  input << Tremolo_velocity;
  testParser->load(&input);
  CPPUNIT_ASSERT(World::getInstance().getAtom(AtomByType(1))->AtomicVelocity[0] == 3.0);
  input.clear();
}

void ParserTremoloUnitTest::readTremoloNeighborInformationTest() {
  TremoloParser* testParser = new TremoloParser();
  stringstream input;

  // Neighbor data
  input << Tremolo_neighbours;
  testParser->load(&input);

  CPPUNIT_ASSERT_EQUAL(3, World::getInstance().numAtoms());
  CPPUNIT_ASSERT(World::getInstance().getAtom(AtomByType(8))->
      IsBondedTo(World::getInstance().getAtom(AtomByType(1))));
  input.clear();
}

void ParserTremoloUnitTest::readAndWriteTremoloImprDataInformationTest() {
  TremoloParser* testParser = new TremoloParser();
  stringstream input, output;

  // Neighbor data
  {
    input << Tremolo_improper;
    testParser->load(&input);
    std::vector<atom *> atoms = World::getInstance().getAllAtoms();
    testParser->save(&output, atoms);
    CPPUNIT_ASSERT_EQUAL(3, World::getInstance().numAtoms());
    CPPUNIT_ASSERT(output.str().find("2-0,0-2") != string::npos);
    input.clear();
    output.clear();
  }
}

void ParserTremoloUnitTest::readAndWriteTremoloTorsionInformationTest() {
  TremoloParser* testParser = new TremoloParser();
  stringstream input, output;

  // Neighbor data
  {
    input << Tremolo_torsion;
    testParser->load(&input);
    std::vector<atom *> atoms = World::getInstance().getAllAtoms();
    testParser->save(&output, atoms);
    CPPUNIT_ASSERT_EQUAL(3, World::getInstance().numAtoms());
    CPPUNIT_ASSERT(output.str().find("2-0,0-2") != string::npos);
    input.clear();
    output.clear();
  }
}

void ParserTremoloUnitTest::writeTremoloTest() {
  TremoloParser* testParser = new TremoloParser();
  stringstream output;

  // with the maximum number of fields and minimal information, default values are printed
  {
    atom* newAtom = World::getInstance().createAtom();
    newAtom->setType(1);
    testParser->setFieldsForSave("x=3 u=3 F stress Id neighbors=5 imprData GroupMeasureTypeNo Type extType name resName chainID resSeq occupancy tempFactor segID Charge charge GrpTypeNo torsion");
    std::vector<atom *> atoms = World::getInstance().getAllAtoms();
    testParser->save(&output, atoms);
    CPPUNIT_ASSERT(output.str() == Tremolo_full);
  }

  cout << "testing the tremolo parser is done" << endl;
}