tests/algorithms_test/pid_lut_PIDLookup.cc

0001 // SPDX-License-Identifier: LGPL-3.0-or-later
0002 // Copyright (C) 2023, Dmitry Kalinkin
0003
0004 #include <algorithms/logger.h>
0005 #include <catch2/catch_test_macros.hpp>
0006 #include <cmath>
0007 #include <edm4eic/Cov4f.h>
0008 #include <edm4eic/MCRecoParticleAssociationCollection.h>
0009 #include <edm4eic/ReconstructedParticleCollection.h>
0010 #include <edm4hep/MCParticleCollection.h>
0011 #include <edm4hep/ParticleIDCollection.h>
0012 #include <edm4hep/Vector2i.h>
0013 #include <edm4hep/Vector3d.h>
0014 #include <edm4hep/Vector3f.h>
0015 #include <memory>
0016 #include <spdlog/common.h>
0017
0018 #include "algorithms/pid_lut/PIDLookup.h"
0019 #include "algorithms/pid_lut/PIDLookupConfig.h"
0020
0021 using eicrecon::PIDLookup;
0022 using eicrecon::PIDLookupConfig;
0023
0024 TEST_CASE("particles acquire PID", "[PIDLookup]") {
0025   PIDLookup algo("test");
0026
0027   PIDLookupConfig cfg{
0028       .filename                    = "/dev/null",
0029       .system                      = "MockTracker_ID",
0030       .pdg_values                  = {11},
0031       .charge_values               = {1},
0032       .momentum_edges              = {0., 1., 2.},
0033       .polar_edges                 = {0., M_PI},
0034       .azimuthal_binning           = {0., 2 * M_PI, 2 * M_PI}, // lower, upper, step
0035       .momentum_bin_centers_in_lut = true,
0036       .polar_bin_centers_in_lut    = true,
0037       .use_radians                 = true,
0038   };
0039
0040   SECTION("single hit with couple contributions") {
0041     algo.level(algorithms::LogLevel(spdlog::level::trace));
0042     algo.applyConfig(cfg);
0043     algo.init();
0044
0045     auto parts_in  = std::make_unique<edm4eic::ReconstructedParticleCollection>();
0046     auto assocs_in = std::make_unique<edm4eic::MCRecoParticleAssociationCollection>();
0047     auto mcparts   = std::make_unique<edm4hep::MCParticleCollection>();
0048
0049     parts_in->create(0,                                // std::int32_t type
0050                      0.5,                              // float energy
0051                      edm4hep::Vector3f({0.5, 0., 0.}), // edm4hep::Vector3f momentum
0052                      edm4hep::Vector3f({0., 0., 0.}),  // edm4hep::Vector3f referencePoint
0053                      1.,                               // float charge
0054                      0.,                               // float mass
0055                      0.,                               // float goodnessOfPID
0056                      edm4eic::Cov4f(),                 // edm4eic::Cov4f covMatrix
0057                      0                                 // std::int32_t PDG
0058     );
0059     mcparts->create(11,                  // std::int32_t PDG
0060                     0,                   // std::int32_t generatorStatus
0061                     0,                   // std::int32_t simulatorStatus
0062                     0.,                  // float charge
0063                     0.,                  // float time
0064                     0.,                  // double mass
0065                     edm4hep::Vector3d(), // edm4hep::Vector3d vertex
0066                     edm4hep::Vector3d(), // edm4hep::Vector3d endpoint
0067                     edm4hep::Vector3f(), // edm4hep::Vector3f momentum
0068                     edm4hep::Vector3f(), // edm4hep::Vector3f momentumAtEndpoint
0069                     edm4hep::Vector3f(), // edm4hep::Vector3f spin
0070                     edm4hep::Vector2i()  // edm4hep::Vector2i colorFlow
0071     );
0072
0073     auto assoc_in = assocs_in->create();
0074     assoc_in.setRec((*parts_in)[0]);
0075     assoc_in.setSim((*mcparts)[0]);
0076
0077     auto parts_out   = std::make_unique<edm4eic::ReconstructedParticleCollection>();
0078     auto assocs_out  = std::make_unique<edm4eic::MCRecoParticleAssociationCollection>();
0079     auto partids_out = std::make_unique<edm4hep::ParticleIDCollection>();
0080     algo.process({parts_in.get(), assocs_in.get()},
0081                  {parts_out.get(), assocs_out.get(), partids_out.get()});
0082
0083     REQUIRE((*parts_in).size() == (*parts_out).size());
0084     REQUIRE((*assocs_in).size() == (*assocs_out).size());
0085     REQUIRE((*partids_out).size() == (*partids_out).size());
0086   }
0087 }