dc/d9a/JsonDigitizationConfigTests_8cpp_source.html

// This file is part of the Acts project.

//

// Copyright (C) 2021 CERN for the benefit of the Acts project

//

// This Source Code Form is subject to the terms of the Mozilla Public

// License, v. 2.0. If a copy of the MPL was not distributed with this

// file, You can obtain one at http://mozilla.org/MPL/2.0/.


#include <boost/test/unit_test.hpp>


#include "Acts/Definitions/Algebra.hpp"

#include "Acts/Definitions/TrackParametrization.hpp"

#include "Acts/Utilities/BinUtility.hpp"

#include "Acts/Utilities/BinningType.hpp"

#include "ActsExamples/Digitization/DigitizationConfig.hpp"

#include "ActsExamples/Digitization/Smearers.hpp"

#include "ActsExamples/Io/Json/JsonDigitizationConfig.hpp"

#include "ActsFatras/Digitization/UncorrelatedHitSmearer.hpp"


#include <fstream>

#include <string>

#include <vector>


#include <nlohmann/json.hpp>


using namespace Acts;


BOOST_AUTO_TEST_SUITE(JsonDigitizationConfig)


BOOST_AUTO_TEST_CASE(DigitizationConfigRoundTrip) {

  std::ofstream out;


  // As all SurfaceBounds have the same streaming API only a one is

  // tested here, all others are tests are identical


  ActsExamples::DigiComponentsConfig dcf;


  ActsExamples::GeometricConfig gdc;


  Acts::BinUtility segmentation;

  segmentation += Acts::BinUtility(336, -8.4, 8.4, Acts::open, Acts::binX);

  segmentation += Acts::BinUtility(1280, -36, 36, Acts::open, Acts::binY);


  gdc.segmentation = segmentation;

  gdc.threshold = 0.01;

  gdc.thickness = 0.15;

  gdc.indices = {Acts::eBoundLoc0, Acts::eBoundLoc1};

  gdc.chargeSmearer = ActsExamples::Digitization::Gauss(1.0);


  ActsExamples::DigiComponentsConfig dcRef;

  dcRef.geometricDigiConfig = gdc;


  nlohmann::json dcJsonOut(dcRef);

  out.open("DigiComponentsConfig.json");

  out << dcJsonOut.dump(2);

  out.close();


  auto in = std::ifstream("DigiComponentsConfig.json",

                          std::ifstream::in | std::ifstream::binary);

  BOOST_CHECK(in.good());

  nlohmann::json dcJsonIn;

  in >> dcJsonIn;

  in.close();


  ActsExamples::DigiComponentsConfig dcTest(dcJsonIn);

  BOOST_CHECK(dcTest.geometricDigiConfig.indices ==

              dcRef.geometricDigiConfig.indices);

  BOOST_CHECK(dcTest.geometricDigiConfig.segmentation.dimensions() ==

              dcRef.geometricDigiConfig.segmentation.dimensions());

}


BOOST_AUTO_TEST_SUITE_END()