Merge branch 'ISF_ServicesUnitTests_21.0' into '21.0'

Adding a unit test for the TruthSvc

See merge request atlas/athena!9314

(cherry picked from commit b0209c0b [formerly 7f457bcd])

277ee960 Adding a unit test for the TruthSvc

Former-commit-id: cb775662

Simulation/ISF/ISF_Core/ISF_Services/CMakeLists.txt

@@ -73,6 +73,41 @@ atlas_add_test( InputConverter_test
                 "JOBOPTSEARCHPATH=${CMAKE_CURRENT_SOURCE_DIR}/test"
                 )
 
+atlas_add_test( TruthSvc_test
+                SOURCES
+                  test/TruthSvc_test.cxx src/TruthSvc.cxx
+                INCLUDE_DIRS
+                  ${GTEST_INCLUDE_DIRS}
+                  ${GMOCK_INCLUDE_DIRS}
+                  ${ROOT_INCLUDE_DIRS}
+                  ${GEANT4_INCLUDE_DIRS}
+                  ${HEPMC_INCLUDE_DIRS}
+                  ${CLHEP_INCLUDE_DIRS}
+                  ${HEPPDT_INCLUDE_DIRS}
+                LINK_LIBRARIES
+                  ${GTEST_LIBRARIES}
+                  ${GMOCK_LIBRARIES}
+                  ${ROOT_LIBRARIES}
+                  ${GEANT4_LIBRARIES}
+                  ${HEPMC_LIBRARIES}
+                  ${CLHEP_LIBRARIES}
+                  ${HEPPDT_LIBRARIES}
+                  GaudiKernel
+                  CaloIdentifier
+                  CaloSimEvent
+                  AthenaBaseComps
+                  StoreGateLib
+                  InDetSimEvent
+                  MuonSimEvent
+                  ISF_Event
+                  ISF_Interfaces
+                  PmbCxxUtils
+                  MCTruth
+                  TruthUtils
+                ENVIRONMENT
+                  "JOBOPTSEARCHPATH=${CMAKE_CURRENT_SOURCE_DIR}/test"
+                )
+
 # Install files from the package:
 atlas_install_headers( ISF_Services )
 atlas_install_python_modules( python/*.py )

Simulation/ISF/ISF_Core/ISF_Services/src/TruthSvc.h

@@ -40,6 +40,10 @@ namespace HepMC {
   class GenEvent;
 }
 
+namespace ISFTesting {
+  class TruthSvc_test;
+}
+
 namespace ISF {
 
   class ITruthStrategy;
@@ -54,6 +58,10 @@ namespace ISF {
       @author Andreas.Salzburger -at- cern.ch , Elmar.Ritsch -at- cern.ch
   */
   class TruthSvc : public extends<AthService, ITruthSvc> {
+
+    // allow test to access private data
+    friend ISFTesting::TruthSvc_test;
+
   public:
 
     //** Constructor with parameters */

Simulation/ISF/ISF_Core/ISF_Services/test/TruthSvc_test.txt

+// Need to set a BarcodeService as TruthSvc will otherwise fail to initialize
+TruthSvc.BarcodeSvc = "Barcode::LegacyBarcodeSvc/LegacyBarcodeSvc";