DetectorPropertiesStandardTestHelpers.h

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#ifndef LARDATA_DETECTORINFO_DETECTORPROPERTIESSTANDARDTESTHELPERS_H
#define LARDATA_DETECTORINFO_DETECTORPROPERTIESSTANDARDTESTHELPERS_H 1

// LArSoft libraries
#include "lardataalg/DetectorInfo/DetectorPropertiesStandard.h"
#include "larcorealg/TestUtils/ProviderTestHelpers.h"

// framework and utility libraries
#include "fhiclcpp/ParameterSet.h"
#include "messagefacility/MessageLogger/MessageLogger.h"

// C/C++ standard libraries
#include <string>
#include <memory> // std::unique_ptr<>


namespace testing {
  
  template <>
  struct ProviderSetupClass<detinfo::DetectorPropertiesStandard> {
    
    static std::unique_ptr<detinfo::DetectorPropertiesStandard> setup
      (
        fhicl::ParameterSet const& pset,
        detinfo::DetectorPropertiesStandard::providers_type const& providers
      )
      {
        // some feedback about whether we are using the right configuration
        std::string ServiceProviderPath;
        if (pset.get_if_present("service_provider", ServiceProviderPath)) {
          std::string ServiceProviderName = ServiceProviderPath;
          size_t iSlash = ServiceProviderPath.rfind('/');
          if (iSlash != std::string::npos)
            ServiceProviderName.erase(0, iSlash + 1);
          
          if (ServiceProviderName == "DetectorPropertiesServiceStandard") {
            LOG_TRACE("ProviderSetup") << "Verified service implementation for "
              "DetectorPropertiesService"
              ": '" << ServiceProviderPath << "'";
          }
          else {
            // this means you should not be using the simple set up...
            mf::LogWarning("setupProvider")
              << "This set up is for a DetectorPropertiesStandard provider.\n"
              "Your configuration specifies a '" << ServiceProviderPath
              << "' service implementation"
              " that is not known to use that provider.";
          }
        }
    
        // 
        // create the new DetectorPropertiesStandard service provider
        //
        // we choose to ignore a configuration parameter that is known to be used
        // by the art services but unknown to the provider; in this way we can use
        // for this test the same configuration as for art-based tests.
        //
        std::set<std::string> ignore_keys({ "InheritNumberTimeSamples" });
        return std::make_unique<detinfo::DetectorPropertiesStandard>
          (pset, providers, ignore_keys);
      } // setup()
      
  }; // ProviderSetupClass<DetectorPropertiesStandard>
  

  template <typename TestEnv>
  struct SimpleEnvironmentSetupClass
    <detinfo::DetectorPropertiesStandard, TestEnv>
  {
    static detinfo::DetectorPropertiesStandard* setup(TestEnv& env)
      {
        auto* detp = env.template SetupProviderFor
          <detinfo::DetectorProperties, detinfo::DetectorPropertiesStandard>
          (
            env.ServiceParameters("DetectorPropertiesService"),
            env.template ProviderPackFor<detinfo::DetectorPropertiesStandard>()
          );
        return detp;
      } // setup()
    
  }; // SimpleEnvironmentSetupClass<detinfo::DetectorPropertiesStandard>
  

} // namespace testing

  
#endif // LARDATA_DETECTORINFO_DETECTORPROPERTIESSTANDARDTESTHELPERS_H