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 <edm4eic/Cov4f.h>
0007 #include <edm4eic/MCRecoParticleAssociationCollection.h>
0008 #include <edm4eic/MCRecoParticleLinkCollection.h>
0009 #include <edm4eic/ReconstructedParticleCollection.h>
0010 #include <edm4hep/EventHeaderCollection.h>
0011 #include <edm4hep/MCParticleCollection.h>
0012 #include <edm4hep/ParticleIDCollection.h>
0013 #include <edm4hep/Vector3d.h>
0014 #include <edm4hep/Vector3f.h>
0015 #include <podio/detail/Link.h>
0016 #include <spdlog/common.h>
0017 #include <cmath>
0018 #include <cstddef>
0019 #include <deque>
0020 #include <memory>
0021 #include <string>
0022 #include <vector>
0023
0024 #include "algorithms/pid_lut/PIDLookup.h"
0025 #include "algorithms/pid_lut/PIDLookupConfig.h"
0026
0027 using eicrecon::PIDLookup;
0028 using eicrecon::PIDLookupConfig;
0029
0030 TEST_CASE("particles acquire PID", "[PIDLookup]") {
0031   PIDLookup algo("test");
0032
0033   PIDLookupConfig cfg{
0034       .filename                    = "/dev/null",
0035       .system                      = "MockTracker_ID",
0036       .pdg_values                  = {11},
0037       .charge_values               = {1},
0038       .momentum_edges              = {0., 1., 2.},
0039       .polar_edges                 = {0., M_PI},
0040       .azimuthal_binning           = {0., 2 * M_PI, 2 * M_PI}, // lower, upper, step
0041       .momentum_bin_centers_in_lut = true,
0042       .polar_bin_centers_in_lut    = true,
0043       .use_radians                 = true,
0044   };
0045
0046   SECTION("single hit with couple contributions") {
0047     algo.level(algorithms::LogLevel(spdlog::level::trace));
0048     algo.applyConfig(cfg);
0049     algo.init();
0050
0051     auto headers = std::make_unique<edm4hep::EventHeaderCollection>();
0052     auto header  = headers->create(1, 1, 12345678, 1.0);
0053
0054     auto parts_in = std::make_unique<edm4eic::ReconstructedParticleCollection>();
0055     auto mcparts  = std::make_unique<edm4hep::MCParticleCollection>();
0056     edm4eic::MCRecoParticleLinkCollection links_in;
0057
0058     parts_in->create(0,                                // std::int32_t type
0059                      0.5,                              // float energy
0060                      edm4hep::Vector3f({0.5, 0., 0.}), // edm4hep::Vector3f momentum
0061                      edm4hep::Vector3f({0., 0., 0.}),  // edm4hep::Vector3f referencePoint
0062                      1.,                               // float charge
0063                      0.,                               // float mass
0064                      0.,                               // float goodnessOfPID
0065                      edm4eic::Cov4f(),                 // edm4eic::Cov4f covMatrix
0066                      0                                 // std::int32_t PDG
0067     );
0068     mcparts->create(11,                  // std::int32_t PDG
0069                     0,                   // std::int32_t generatorStatus
0070                     0,                   // std::int32_t simulatorStatus
0071                     0.,                  // float charge
0072                     0.,                  // float time
0073                     0.,                  // double mass
0074                     edm4hep::Vector3d(), // edm4hep::Vector3d vertex
0075                     edm4hep::Vector3d(), // edm4hep::Vector3d endpoint
0076                     edm4hep::Vector3d(), // edm4hep::Vector3d momentum
0077                     edm4hep::Vector3d(), // edm4hep::Vector3d momentumAtEndpoint
0078                     9                    // int32_t helicity (9 if unset)
0079     );
0080
0081     auto link_in = links_in.create();
0082     link_in.setFrom((*parts_in)[0]);
0083     link_in.setTo((*mcparts)[0]);
0084     link_in.setWeight(0.F);
0085
0086     auto parts_out   = std::make_unique<edm4eic::ReconstructedParticleCollection>();
0087     auto assocs_out  = std::make_unique<edm4eic::MCRecoParticleAssociationCollection>();
0088     auto partids_out = std::make_unique<edm4hep::ParticleIDCollection>();
0089     edm4eic::MCRecoParticleLinkCollection links_out;
0090     algo.process({headers.get(), parts_in.get(), &links_in},
0091                  {parts_out.get(), &links_out, assocs_out.get(), partids_out.get()});
0092
0093     REQUIRE((*parts_in).size() == (*parts_out).size());
0094     REQUIRE(links_in.size() == (*assocs_out).size());
0095     REQUIRE(
0096         (*partids_out).empty()); // Since our table is empty, there will not be a successful lookup
0097
0098     // Verify that links were created and match the associations
0099     REQUIRE(links_out.size() == (*assocs_out).size());
0100     for (size_t i = 0; i < links_out.size(); ++i) {
0101       REQUIRE(links_out[i].getFrom() == (*assocs_out)[i].getRec());
0102       REQUIRE(links_out[i].getTo() == (*assocs_out)[i].getSim());
0103       REQUIRE(links_out[i].getWeight() == (*assocs_out)[i].getWeight());
0104     }
0105   }
0106 }