inclusive_variables.cc

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
#include <gtest/gtest.h>
 
#include <analysis/VariableManager/Manager.h>
 
#include <analysis/dataobjects/Particle.h>
#include <analysis/dataobjects/RestOfEvent.h>
 
#include <mdst/dataobjects/Track.h>
#include <mdst/dataobjects/ECLCluster.h>
#include <mdst/dataobjects/KLMCluster.h>
#include <mdst/dataobjects/PIDLikelihood.h>
 
#include "utilities/TestParticleFactory.h"
using namespace std;
using namespace Belle2;
using namespace Belle2::Variable;
 
namespace {
 
 
  class InclusiveVariablesTest : public ::testing::Test {
  protected:
    void SetUp() override
    {
 
      DataStore::Instance().setInitializeActive(true);
      StoreArray<ECLCluster> myECLClusters;
      StoreArray<KLMCluster> myKLMClusters;
      StoreArray<TrackFitResult> myTFRs;
      StoreArray<Track> myTracks;
      StoreArray<Particle> myParticles;
      StoreArray<RestOfEvent> myROEs;
      StoreArray<PIDLikelihood> myPIDLikelihoods;
      myECLClusters.registerInDataStore();
      myKLMClusters.registerInDataStore();
      myTFRs.registerInDataStore();
      myTracks.registerInDataStore();
      myParticles.registerInDataStore();
      myROEs.registerInDataStore();
      myPIDLikelihoods.registerInDataStore();
      myParticles.registerRelationTo(myROEs);
      myTracks.registerRelationTo(myPIDLikelihoods);
      DataStore::Instance().setInitializeActive(false);
 
      TestUtilities::TestParticleFactory factory;
      ROOT::Math::XYZVector ipposition(0, 0, 0);
      ROOT::Math::PxPyPzEVector b0momentum(3, 0, 0, 5);
      factory.produceParticle(string("^B0 -> [^K*0 -> [^K_S0 -> ^pi+ ^pi-] [^pi0 -> ^gamma ^gamma]] ^e+ ^e-"),
                              b0momentum, ipposition);
    }

    void TearDown() override
    {
      DataStore::Instance().reset();
    }
  };
  TEST_F(InclusiveVariablesTest, nCompositeDaughters)
  {
    StoreArray<Particle> myParticles;
    auto* var = Manager::Instance().getVariable("nCompositeDaughters()");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 1);
    var = Manager::Instance().getVariable("nCompositeDaughters(313)");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 1);
    var = Manager::Instance().getVariable("nCompositeDaughters(111)");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 0);
    var = Manager::Instance().getVariable("nCompositeDaughters(310)");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 0);
  }
  TEST_F(InclusiveVariablesTest, nCompositeAllGenerationDaughters)
  {
    StoreArray<Particle> myParticles;
    auto* var = Manager::Instance().getVariable("nCompositeAllGenerationDaughters()");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 3);
    var = Manager::Instance().getVariable("nCompositeAllGenerationDaughters(313)");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 1);
    var = Manager::Instance().getVariable("nCompositeAllGenerationDaughters(111)");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 1);
    var = Manager::Instance().getVariable("nCompositeAllGenerationDaughters(310)");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 1);
  }
  TEST_F(InclusiveVariablesTest, nPhotonDaughters)
  {
    StoreArray<Particle> myParticles;
    auto* var = Manager::Instance().getVariable("nDaughterPhotons");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 2);
  }
  TEST_F(InclusiveVariablesTest, nDaughterNeutralHadrons)
  {
    StoreArray<Particle> myParticles;
    auto* var = Manager::Instance().getVariable("nDaughterNeutralHadrons");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 0);
  }
  TEST_F(InclusiveVariablesTest, nChargedDaughters)
  {
    StoreArray<Particle> myParticles;
    auto* var = Manager::Instance().getVariable("nDaughterCharged()");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 4);
    var = Manager::Instance().getVariable("nDaughterCharged(11)");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 2);
    var = Manager::Instance().getVariable("nDaughterCharged(211)");
    EXPECT_EQ(std::get<int>(var->function(myParticles[9])), 2);
 
  }
  TEST_F(InclusiveVariablesTest, daughterAverageOf)
  {
    StoreArray<Particle> myParticles;
    auto* var = Manager::Instance().getVariable("daughterAverageOf(PDG)");
    EXPECT_FLOAT_EQ(std::get<double>(var->function(myParticles[9])), float(313 + 11 - 11) / 3);
  }
 
}