AtomicNumberTest_module.cc

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/**
 * @file   AtomicNumberTest_module.cc
 * @brief  A simple test for AtomicNumberService example service
 * @author Gianluca Petrillo (petrillo@fnal.gov)
 * @date   April 14, 2016
 * @see    AtomicNumberService.h
 *
 */

// LArSoft libraries
#include "larexamples/Services/AtomicNumber/Services/AtomicNumberService.h"
#include "larexamples/Services/AtomicNumber/Providers/AtomicNumber.h"

// framework and support libraries
#include "fhiclcpp/ParameterSet.h"
#include "art/Framework/Core/ModuleMacros.h"
#include "art/Framework/Core/EDAnalyzer.h"
#include "canvas/Utilities/Exception.h"


namespace lar {
   namespace example {
      namespace tests {

         /**
          * @brief Tests AtomicNumberService
          *
          * Configuration parameters
          * -------------------------
          *
          * - *AtomicNumber* (unsigned integer, mandatory): the expected atomic
          *   number
          *
          */
         class AtomicNumberTest: public art::EDAnalyzer {
               public:

            explicit AtomicNumberTest(fhicl::ParameterSet const& pset);

            /// We don't really care about events
            virtual void analyze(art::Event const&) override {}

            /// Test happens at begin job
            virtual void beginJob() override;

               private:

            unsigned int expected_Z; ///< expected atomic number

         }; // class AtomicNumberTest

      } // namespace tests
   } // namespace example
} // namespace lar



//------------------------------------------------------------------------------

lar::example::tests::AtomicNumberTest::AtomicNumberTest
   (fhicl::ParameterSet const& pset)
   : art::EDAnalyzer(pset)
   , expected_Z(pset.get<unsigned int>("AtomicNumber"))
{}


void lar::example::tests::AtomicNumberTest::beginJob() {

   auto const* Zprov = lar::providerFrom<lar::example::AtomicNumberService>();

   unsigned int const Z = Zprov->Z();
   if (Z != expected_Z) {
      throw art::Exception(art::errors::LogicError)
         << "Unexpected atomic number " << Z << ", should be " << expected_Z;
   }

} // lar::example::tests::AtomicNumberTest::beginJob()



DEFINE_ART_MODULE(lar::example::tests::AtomicNumberTest)