ModeratorChopperResolutionTest.h

#ifndef MODERATORCHOPPERRESOLUTIONTEST_H_
#define MODERATORCHOPPERRESOLUTIONTEST_H_

#include "MantidMDAlgorithms/Quantification/Resolution/ModeratorChopperResolution.h"

#include "MantidMDAlgorithms/Quantification/CachedExperimentInfo.h"
#include "MantidGeometry/Crystal/OrientedLattice.h"
#include "MantidGeometry/Instrument/ReferenceFrame.h"

#include "MantidTestHelpers/ComponentCreationHelper.h"
#include <cxxtest/TestSuite.h>

class ModeratorChopperResolutionTest : public CxxTest::TestSuite {
public:
  void test_Returned_Width_Is_NonZero() {
    using Mantid::MDAlgorithms::ModeratorChopperResolution;
    using Mantid::MDAlgorithms::CachedExperimentInfo;

    boost::shared_ptr<CachedExperimentInfo> testCachedExperimentInfo =
        createTestCachedExperimentInfo();
    ModeratorChopperResolution *modChop(NULL);

    TS_ASSERT_THROWS_NOTHING(
        modChop = new ModeratorChopperResolution(*testCachedExperimentInfo));
    if (modChop) {
      // TS_ASSERT(modChop->energyWidth(0.1) > 0.0);
    }
    delete modChop;
  }

private:
  boost::shared_ptr<Mantid::MDAlgorithms::CachedExperimentInfo>
  createTestCachedExperimentInfo() {
    using namespace Mantid::Kernel;
    using namespace Mantid::API;
    using namespace Mantid::Geometry;
    using namespace Mantid::MDAlgorithms;
    m_expt = boost::make_shared<ExperimentInfo>();

    Instrument_sptr instrument(new Instrument("test-inst"));
    instrument->setReferenceFrame(boost::make_shared<ReferenceFrame>(
        Mantid::Geometry::Y, Mantid::Geometry::Z, Mantid::Geometry::Right,
        "frame"));
    Detector *det1 = new Detector("det1", 1, instrument.get());
    const V3D detPos(1, 1, 1);
    Object_sptr shape = ComponentCreationHelper::createCappedCylinder(
        0.012, 0.01, detPos, V3D(0, 1, 0), "cyl");
    det1->setShape(shape);
    instrument->add(det1);
    det1->setPos(detPos);
    instrument->markAsDetector(det1);

    ObjComponent *source = new ObjComponent("source");
    source->setPos(V3D(0, 0, -10));
    instrument->add(source);
    instrument->markAsSource(source);

    ObjComponent *samplePos = new ObjComponent("samplePos");
    instrument->add(samplePos);
    instrument->markAsSamplePos(samplePos);

    ObjComponent *chopper = new ObjComponent("firstChopperPos");
    chopper->setPos(V3D(0, 0, -3.0));
    instrument->add(chopper);
    instrument->markAsChopperPoint(chopper);

    ObjComponent *aperture = new ObjComponent("aperture");
    aperture->setPos(V3D(0, 0, -7));
    shape = ComponentCreationHelper::createCuboid(0.04, 0.025, 0.05);
    aperture->setShape(shape);
    instrument->add(aperture);

    m_expt->setInstrument(instrument);
    m_expt->mutableRun().addProperty(
        "deltaE-mode",
        DeltaEMode::asString(Mantid::Kernel::DeltaEMode::Direct));
    Mantid::Geometry::OrientedLattice latt(5.57, 5.51, 12.298);
    m_expt->mutableSample().setOrientedLattice(&latt);

    // Add log entry
    m_expt->mutableRun().addProperty("Ei", 45.1);

    return boost::make_shared<CachedExperimentInfo>(
        *m_expt, static_cast<Mantid::detid_t>(1));
  }

  Mantid::API::ExperimentInfo_sptr m_expt;
};

#endif /* MODERATORCHOPPERRESOLUTIONTEST_H_ */