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/EDM4eicVersion.h>
0008 #include <edm4eic/MCRecoParticleAssociationCollection.h>
0009 #if EDM4EIC_BUILD_VERSION >= EDM4EIC_VERSION(8, 7, 0)
0010 #include <edm4eic/MCRecoParticleLinkCollection.h>
0011 #endif
0012 #include <edm4eic/ReconstructedParticleCollection.h>
0013 #include <edm4hep/EventHeaderCollection.h>
0014 #include <edm4hep/MCParticleCollection.h>
0015 #include <edm4hep/ParticleIDCollection.h>
0016 #include <edm4hep/Vector3d.h>
0017 #include <edm4hep/Vector3f.h>
0018 #include <podio/detail/Link.h>
0019 #include <spdlog/common.h>
0020 #include <cmath>
0021 #include <cstddef>
0022 #include <deque>
0023 #include <memory>
0024 #include <string>
0025 #include <vector>
0026
0027 #include "algorithms/pid_lut/PIDLookup.h"
0028 #include "algorithms/pid_lut/PIDLookupConfig.h"
0029
0030 using eicrecon::PIDLookup;
0031 using eicrecon::PIDLookupConfig;
0032
0033 TEST_CASE("particles acquire PID", "[PIDLookup]") {
0034   PIDLookup algo("test");
0035
0036   PIDLookupConfig cfg{
0037       .filename                    = "/dev/null",
0038       .system                      = "MockTracker_ID",
0039       .pdg_values                  = {11},
0040       .charge_values               = {1},
0041       .momentum_edges              = {0., 1., 2.},
0042       .polar_edges                 = {0., M_PI},
0043       .azimuthal_binning           = {0., 2 * M_PI, 2 * M_PI}, // lower, upper, step
0044       .momentum_bin_centers_in_lut = true,
0045       .polar_bin_centers_in_lut    = true,
0046       .use_radians                 = true,
0047   };
0048
0049   SECTION("single hit with couple contributions") {
0050     algo.level(algorithms::LogLevel(spdlog::level::trace));
0051     algo.applyConfig(cfg);
0052     algo.init();
0053
0054     auto headers = std::make_unique<edm4hep::EventHeaderCollection>();
0055     auto header  = headers->create(1, 1, 12345678, 1.0);
0056
0057     auto parts_in  = std::make_unique<edm4eic::ReconstructedParticleCollection>();
0058     auto assocs_in = std::make_unique<edm4eic::MCRecoParticleAssociationCollection>();
0059     auto mcparts   = std::make_unique<edm4hep::MCParticleCollection>();
0060
0061     parts_in->create(0,                                // std::int32_t type
0062                      0.5,                              // float energy
0063                      edm4hep::Vector3f({0.5, 0., 0.}), // edm4hep::Vector3f momentum
0064                      edm4hep::Vector3f({0., 0., 0.}),  // edm4hep::Vector3f referencePoint
0065                      1.,                               // float charge
0066                      0.,                               // float mass
0067                      0.,                               // float goodnessOfPID
0068                      edm4eic::Cov4f(),                 // edm4eic::Cov4f covMatrix
0069                      0                                 // std::int32_t PDG
0070     );
0071     mcparts->create(11,                  // std::int32_t PDG
0072                     0,                   // std::int32_t generatorStatus
0073                     0,                   // std::int32_t simulatorStatus
0074                     0.,                  // float charge
0075                     0.,                  // float time
0076                     0.,                  // double mass
0077                     edm4hep::Vector3d(), // edm4hep::Vector3d vertex
0078                     edm4hep::Vector3d(), // edm4hep::Vector3d endpoint
0079                     edm4hep::Vector3d(), // edm4hep::Vector3d momentum
0080                     edm4hep::Vector3d(), // edm4hep::Vector3d momentumAtEndpoint
0081                     9                    // int32_t helicity (9 if unset)
0082     );
0083
0084     auto assoc_in = assocs_in->create();
0085     assoc_in.setRec((*parts_in)[0]);
0086     assoc_in.setSim((*mcparts)[0]);
0087
0088     auto parts_out   = std::make_unique<edm4eic::ReconstructedParticleCollection>();
0089     auto assocs_out  = std::make_unique<edm4eic::MCRecoParticleAssociationCollection>();
0090     auto partids_out = std::make_unique<edm4hep::ParticleIDCollection>();
0091 #if EDM4EIC_BUILD_VERSION >= EDM4EIC_VERSION(8, 7, 0)
0092     edm4eic::MCRecoParticleLinkCollection links_out;
0093     algo.process({headers.get(), parts_in.get(), assocs_in.get()},
0094                  {parts_out.get(), &links_out, assocs_out.get(), partids_out.get()});
0095 #else
0096     algo.process({headers.get(), parts_in.get(), assocs_in.get()},
0097                  {parts_out.get(), assocs_out.get(), partids_out.get()});
0098 #endif
0099
0100     REQUIRE((*parts_in).size() == (*parts_out).size());
0101     REQUIRE((*assocs_in).size() == (*assocs_out).size());
0102     REQUIRE(
0103         0 ==
0104         (*partids_out).size()); // Since our table is empty, there will not be a successful lookup
0105
0106 #if EDM4EIC_BUILD_VERSION >= EDM4EIC_VERSION(8, 7, 0)
0107     // Verify that links were created and match the associations
0108     REQUIRE(links_out.size() == (*assocs_out).size());
0109     for (size_t i = 0; i < links_out.size(); ++i) {
0110       REQUIRE(links_out[i].getFrom() == (*assocs_out)[i].getRec());
0111       REQUIRE(links_out[i].getTo() == (*assocs_out)[i].getSim());
0112       REQUIRE(links_out[i].getWeight() == (*assocs_out)[i].getWeight());
0113     }
0114 #endif
0115   }
0116 }