Fix minor issues uncovered by tests

- Reset SimCalorimeterHit energy after adding Contributions as adding contributions changes the energy - Make sure to populate daughters in the right order in the example MCCollection creation
key4hep · Sep 27, 2023 · d088d6c · d088d6c
1 parent bd3b706
commit d088d6c
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Showing 4 changed files with 24 additions and 10 deletions.
diff --git a/k4EDM4hep2LcioConv/src/k4EDM4hep2LcioConv.cpp b/k4EDM4hep2LcioConv/src/k4EDM4hep2LcioConv.cpp
@@ -873,7 +873,11 @@ namespace EDM4hep2LCIOConv {
           //           << std::endl;
         }
       } // all emd4hep contributions
-    }   // SimCaloHit
+
+      // We need to reset the energy to the original one, because adding
+      // contributions alters the energy in LCIO
+      lcio_sch->setEnergy(edm_sch.getEnergy());
+    } // SimCaloHit
 
     // Fill missing SimTrackerHit collections
     for (auto& [lcio_strh, edm_strh] : collection_pairs.simtrackerhits) {

diff --git a/tests/edm4hep_to_lcio.cpp b/tests/edm4hep_to_lcio.cpp
@@ -9,11 +9,6 @@
 
 #include "podio/Frame.h"
 
-#include <type_traits>
-
-template<typename>
-struct TD;
-
 int main()
 {
   const auto edmEvent = createExampleEvent();
@@ -45,8 +40,11 @@ int main()
   const auto objectMapping = ObjectMappings::fromEvent(lcioEvent.get(), edmEvent);
 
   for (const auto& name : edmEvent.getAvailableCollections()) {
-    const auto* lcioColl = lcioEvent->getCollection(name);
     const auto type = edmEvent.get(name)->getTypeName();
+    if (type == "edm4hep::CaloHitContributionCollection" || type == "edm4hep::ParticleIDCollection") {
+      continue;
+    }
+    const auto* lcioColl = lcioEvent->getCollection(name);
 
     ASSERT_COMPARE_OR_EXIT(edm4hep::MCParticleCollection)
     ASSERT_COMPARE_OR_EXIT(edm4hep::ReconstructedParticleCollection)

diff --git a/tests/src/EDM4hep2LCIOUtilities.cc b/tests/src/EDM4hep2LCIOUtilities.cc
@@ -77,7 +77,16 @@ edm4hep::MCParticleCollection createMCParticles(
 
   for (const auto& [orig_idx, link_idx] : mcp_parents_idx) {
     coll[orig_idx].addToParents(coll[link_idx]);
-    coll[link_idx].addToDaughters(coll[orig_idx]);
+  }
+  // We assign the daughters after all the parents are assigned simply because
+  // LCIO adds the daughters in the call to add parents and relation comparison
+  // in the tests assume that all relations are in the same order
+  for (auto particle : coll) {
+    // Workaround as proposed in https://github.com/AIDASoft/podio/issues/347
+    for (auto p : particle.getParents()) {
+      auto parent = coll[p.getObjectID().index];
+      parent.addToDaughters(particle);
+    }
   }
 
   return coll;
@@ -166,9 +175,12 @@ edm4hep::TrackCollection createTracks(
     elem.setType(2); // TODO specific type
     elem.setChi2(i * 10.f);
     elem.setNdf(i * 12);
+    elem.setRadiusOfInnermostHit(i * 5.f);
+
     elem.setDEdx(i);
     elem.setDEdxError(i / std::sqrt(i + 1));
-    elem.setRadiusOfInnermostHit(i * 5.f);
+    // Also add a DxQuantity since the comparison expects that
+    elem.addToDxQuantities({0, i * 1.f, i / std::sqrt(i + 1.f)});
 
     for (int j = 0; j < subdetectorhitnumbers; ++j) {
       elem.addToSubdetectorHitNumbers(i + 10 * j);

diff --git a/tests/src/EDM4hep2LCIOUtilities.h b/tests/src/EDM4hep2LCIOUtilities.h
@@ -26,7 +26,7 @@ namespace test_config {
 
   using IdxPair = std::pair<std::size_t, std::size_t>;
   /// How to create the MC particle hierarchy, e.g. {4, 0} means that mc[4] will
-  /// have mc[0] as a parente, and mc[0] will get mc[4] as a daughter
+  /// have mc[0] as a parent, and mc[0] will get mc[4] as a daughter
   const static std::vector<IdxPair> mcpParentIdcs = {{4, 0}, {4, 1}, {3, 2}, {3, 0}, {3, 1}, {2, 1}};
 
   constexpr static int nCaloHits = 2;    ///< The number of CalorimeterHits to generate