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CompactMDTest.h 9.02 KiB
#ifndef MANTID_MDALGORITHMS_COMPACTMDTEST_H_
#define MANTID_MDALGORITHMS_COMPACTMDTEST_H_
#include <cxxtest/TestSuite.h>
#include "MantidMDAlgorithms/CompactMD.h"
#include "MantidDataObjects/MDHistoWorkspace.h"
#include "MantidTestHelpers/MDEventsTestHelper.h"
using Mantid::MDAlgorithms::CompactMD;
using namespace Mantid::API;
//==================
// Functional Tests
//==================
class CompactMDTest : public CxxTest::TestSuite {
public:
// This pair of boilerplate methods prevent the suite being created statically
// This means the constructor isn't called when running other tests
static CompactMDTest *createSuite() { return new CompactMDTest(); }
static void destroySuite(CompactMDTest *suite) { delete suite; }
void test_Init() {
CompactMD alg;
TSM_ASSERT_THROWS_NOTHING("Instance of CompactMD threw: ",
alg.initialize());
TSM_ASSERT("Instance of CompactMD was not initialised: ",
alg.isInitialized());
}
void
test_all_non_zero_signals_are_kept_with_data_concentrated_in_the_centre() {
/*
*testing the effectiveness of CompactMD when the data looks like this:
*------------------
* Input structure:
*------------------
* -------------
* | |///| |
* -------------
* -3-2-1 0 1 2 3
*---------------------------
* Expected output structure:
*----------------------------
* should trim until the first non-zero value.
* -----
* |///|
* -----
* -1 0 1
*/
using namespace Mantid::DataObjects;
const size_t numDims = 1;
const double signal = 0.0;
const double errorSquared = 1.3;
size_t numBins[static_cast<int>(numDims)] = {3};
Mantid::coord_t min[static_cast<int>(numDims)] = {-3};
Mantid::coord_t max[static_cast<int>(numDims)] = {3};
const std::string name("test");
auto inWS = MDEventsTestHelper::makeFakeMDHistoWorkspaceGeneral(
numDims, signal, errorSquared, numBins, min, max, name);
inWS->setSignalAt(1, 1.0); // set middle bin signal to one
CompactMD alg;
alg.setChild(true);
alg.setRethrows(true);
alg.initialize();
alg.setProperty("InputWorkspace", inWS);
alg.setProperty("OutputWorkspace", "out");
alg.execute();
// output workspace should be cropped so extents ~ [-1,1]
IMDHistoWorkspace_sptr outputWorkspace = alg.getProperty("OutputWorkspace");
TSM_ASSERT_EQUALS("Should have a signal of 1.0: ", outputWorkspace->getSignalAt(0), 1);
TSM_ASSERT_EQUALS("Minimum should be cropped to -1: ",
outputWorkspace->getDimension(0)->getMinimum(), -1.0);
TSM_ASSERT_EQUALS("Maximum should be cropped to 1: ",
outputWorkspace->getDimension(0)->getMaximum(), 1.0);
TSM_ASSERT_EQUALS("Number of Bins should be 1 : ",
outputWorkspace->getDimension(0)->getNBins(), 1.0);
TSM_ASSERT_EQUALS("Bin width should be consistent: ",
outputWorkspace->getDimension(0)->getBinWidth(),
inWS->getDimension(0)->getBinWidth());
}
void test_all_non_zero_signals_are_kept_with_data_in_each_corner() {
/*
*testing the effectiveness of CompactMD when the data looks like this:
*-----------------------------------
* Input structure: 2D HistoWorkspace
*-----------------------------------
* ------------- -3
* |/a/| |/b/| -2
* ------------- -1
* | | | | 0
* ------------- 1
* |/c/| |/d/| 2
* ------------- 3
* -3-2-1 0 1 2 3
*----------------------------
* Expected output structure:
*----------------------------
* should not trim the workspace at all.
* ------------- -3
* |/a/| |/b/| -2
* ------------- -1
* | | | | 0
* ------------- 1
* |/c/| |/d/| 2
* ------------- 3
* -3-2-1 0 1 2 3
*/
using namespace Mantid::DataObjects;
const size_t numDims = 2;
const double signal = 0.0;
const double errorSquared = 1.2;
size_t numBins[static_cast<int>(numDims)] = {3, 3};
Mantid::coord_t min[static_cast<int>(numDims)] = {-3, -3};
Mantid::coord_t max[static_cast<int>(numDims)] = {3, 3};
const std::string name("test");
auto inWS = MDEventsTestHelper::makeFakeMDHistoWorkspaceGeneral(
numDims, signal, errorSquared, numBins, min, max, name);
inWS->setSignalAt(0, 1.0); // cell a
inWS->setSignalAt(2, 1.0); // cell b
inWS->setSignalAt(6, 1.0); // cell c
inWS->setSignalAt(8, 1.0); // cell d
CompactMD alg;
alg.setChild(true);
alg.setRethrows(true);
alg.initialize();
alg.setProperty("InputWorkspace", inWS);
alg.setProperty("OutputWorkspace", "out");
alg.execute();
IMDHistoWorkspace_sptr outputWorkspace = alg.getProperty("OutputWorkspace");
TSM_ASSERT_EQUALS("Should have a signal of 1.0: ",
outputWorkspace->getSignalAt(0), 1);
TSM_ASSERT_EQUALS("Should have a signal of 1.0: ",
outputWorkspace->getSignalAt(2), 1);
TSM_ASSERT_EQUALS("Should have a signal of 1.0: ",
outputWorkspace->getSignalAt(6), 1);
TSM_ASSERT_EQUALS("Should have a signal of 1.0: ",
outputWorkspace->getSignalAt(8), 1);
TSM_ASSERT_EQUALS("Minimum for dim 0 should be consistent: ", outputWorkspace->getDimension(0)->getMinimum(),
inWS->getDimension(0)->getMinimum());
TSM_ASSERT_EQUALS("Maximum for dim 0 should be consistent: ",
outputWorkspace->getDimension(0)->getMaximum(),
inWS->getDimension(0)->getMaximum());
TSM_ASSERT_EQUALS("Minimum for dim 1 should be consistent:",
outputWorkspace->getDimension(1)->getMinimum(),
inWS->getDimension(1)->getMinimum());
TSM_ASSERT_EQUALS("Maximum for dim 1 should be consistent: ",
outputWorkspace->getDimension(1)->getMaximum(),
inWS->getDimension(1)->getMaximum());
TSM_ASSERT_EQUALS("Number of Bins for dim 0 should be consistent : ",
outputWorkspace->getDimension(0)->getNBins(),
inWS->getDimension(0)->getNBins());
TSM_ASSERT_EQUALS("Number of Bins for dim 1 should be consistent : ",
outputWorkspace->getDimension(1)->getNBins(),
inWS->getDimension(1)->getNBins());
TSM_ASSERT_EQUALS("Bin width for dim 0 should be consistent: ",
outputWorkspace->getDimension(0)->getBinWidth(),
inWS->getDimension(0)->getBinWidth());
TSM_ASSERT_EQUALS("Bin width for dim 1 should be consistent: ",
outputWorkspace->getDimension(1)->getBinWidth(),
inWS->getDimension(1)->getBinWidth());
}
void
test_all_non_zero_signals_are_kept_when_data_is_concentrated_in_one_half_of_the_workspace() {
/*
*testing the effectiveness of CompactMD when the data looks like this:
*------------------
* Input structure:
*------------------
* -------------
* |///| | |
* -------------
* -3-2-1 0 1 2 3
*---------------------------
* Expected output structure:
*----------------------------
* should trim until the first non-zero value.
* -----
* |///|
* -----
* 1 2 3
*/
using namespace Mantid::DataObjects;
const size_t numDims = 1;
const double signal = 0.0;
const double errorSquared = 1.3;
size_t numBins[static_cast<int>(numDims)] = {3};
Mantid::coord_t min[static_cast<int>(numDims)] = {-3};
Mantid::coord_t max[static_cast<int>(numDims)] = {3};
const std::string name("test");
auto inWS = MDEventsTestHelper::makeFakeMDHistoWorkspaceGeneral(
numDims, signal, errorSquared, numBins, min, max, name);
inWS->setSignalAt(0, 1.0); // set right-most bin signal to one
CompactMD alg;
alg.setChild(true);
alg.setRethrows(true);
alg.initialize();
alg.setProperty("InputWorkspace", inWS);
alg.setProperty("OutputWorkspace", "out");
TS_ASSERT_THROWS_NOTHING(alg.execute());
IMDHistoWorkspace_sptr outputWorkspace = alg.getProperty("OutputWorkspace");
TS_ASSERT(outputWorkspace);
TSM_ASSERT_EQUALS("Should have a signal of 1.0: ",
outputWorkspace->getSignalAt(0), 1);
TSM_ASSERT_EQUALS("Minimum should be cut to 1: ",
outputWorkspace->getDimension(0)->getMinimum(), -3.0); TSM_ASSERT_EQUALS("Maximum should still be 3: ",
outputWorkspace->getDimension(0)->getMaximum(), -1.0);
TSM_ASSERT_EQUALS("Number of Bins should be 1 : ",
outputWorkspace->getDimension(0)->getNBins(), 1);
TSM_ASSERT_EQUALS("Bin width should be consistent: ",
outputWorkspace->getDimension(0)->getBinWidth(),
inWS->getDimension(0)->getBinWidth());
}
};
//===================
// Performance Tests
//===================
// TODO:
#endif // !MANTID_MDALGORITHMS_COMPACTMDTEST_H_