Files
rdkit/Code/GraphMol/ShapeHelpers/testShapeHelpers.cpp
Greg Landrum 21225e63b3 Move some more tests over to catch2 (#9058)
* move testSubstructMatch to catch2

* modernization

* modernization

* switch to catch2

* modernize

* convert to catch2

* update

* move to catch

* please be quiet

* move to catch2

* changes in response to review

---------

Co-authored-by: = <=>
2026-01-24 07:03:04 +01:00

104 lines
3.5 KiB
C++

//
// Copyright (C) 2005-2026 Greg Landrum and other RDKit contributors
//
// @@ All Rights Reserved @@
// This file is part of the RDKit.
// The contents are covered by the terms of the BSD license
// which is included in the file license.txt, found at the root
// of the RDKit source tree.
//
#include <catch2/catch_all.hpp>
#include <Geometry/UniformGrid3D.h>
#include "ShapeEncoder.h"
#include "ShapeUtils.h"
#include <GraphMol/RDKitBase.h>
#include <GraphMol/FileParsers/FileParsers.h>
#include <GraphMol/SmilesParse/SmilesParse.h>
#include <Geometry/GridUtils.h>
#include <GraphMol/MolAlign/AlignMolecules.h>
#include <GraphMol/MolTransforms/MolTransforms.h>
#include <GraphMol/Substruct/SubstructMatch.h>
using namespace RDKit;
TEST_CASE("Encode", "[shapehelpers]") {
RDGeom::UniformGrid3D grd(30.0, 16.0, 10.0);
std::string rdbase = getenv("RDBASE");
std::string fname1 =
rdbase + "/Code/GraphMol/ShapeHelpers/test_data/1oir.mol";
auto m = v2::FileParsers::MolFromMolFile(fname1);
REQUIRE(m);
MolTransforms::canonicalizeMol(*m);
MolShapes::EncodeShape(*m, grd, 0);
CHECK(grd.getOccupancyVect()->getTotalVal() == 7405);
}
TEST_CASE("Compare", "[shapehelpers]") {
std::string rdbase = getenv("RDBASE");
std::string fname1 =
rdbase + "/Code/GraphMol/ShapeHelpers/test_data/1oir.mol";
auto m = v2::FileParsers::MolFromMolFile(fname1);
REQUIRE(m);
MolTransforms::canonicalizeMol(*m);
auto mdup = v2::FileParsers::MolFromMolFile(fname1);
REQUIRE(mdup);
MolTransforms::canonicalizeMol(*mdup);
double dist = MolShapes::tanimotoDistance(*m, *mdup);
CHECK_THAT(dist, Catch::Matchers::WithinAbs(0.0, 1e-8));
dist = MolShapes::tverskyIndex(*m, *mdup, 1.0, 1.0);
CHECK_THAT(dist, Catch::Matchers::WithinAbs(1.0, 1e-8));
m = v2::FileParsers::MolFromMolFile(fname1);
REQUIRE(m);
std::string fname2 =
rdbase + "/Code/GraphMol/ShapeHelpers/test_data/1oir_conf.mol";
auto m2 = v2::FileParsers::MolFromMolFile(fname2);
REQUIRE(m2);
double rmsd = MolAlign::alignMol(*m, *m2);
CHECK(rmsd >= 0.0);
dist = MolShapes::tanimotoDistance(*m, *m2);
CHECK_THAT(dist, Catch::Matchers::WithinAbs(0.31, 0.01));
dist = MolShapes::tverskyIndex(*m, *m2, 1.0, 1.0);
CHECK_THAT(dist, Catch::Matchers::WithinAbs(0.68, 0.01));
m2 = v2::FileParsers::MolFromMolFile(fname2);
MatchVectType atomMap;
atomMap.push_back(std::pair<int, int>(18, 27));
atomMap.push_back(std::pair<int, int>(13, 23));
atomMap.push_back(std::pair<int, int>(21, 14));
atomMap.push_back(std::pair<int, int>(24, 7));
atomMap.push_back(std::pair<int, int>(9, 19));
atomMap.push_back(std::pair<int, int>(16, 30));
rmsd = MolAlign::alignMol(*m2, *m, 0, 0, &atomMap);
dist = MolShapes::tanimotoDistance(*m, *m2);
CHECK_THAT(dist, Catch::Matchers::WithinAbs(0.3561, 0.01));
}
TEST_CASE("GitHub #4364", "[shapehelpers]") {
std::string rdbase = getenv("RDBASE");
std::string fname1 =
rdbase + "/Code/GraphMol/ShapeHelpers/test_data/1oir.mol";
auto m = v2::FileParsers::MolFromMolFile(fname1);
REQUIRE(m);
MolTransforms::canonicalizeMol(*m);
std::string fname2 =
rdbase + "/Code/GraphMol/ShapeHelpers/test_data/1oir_conf.mol";
auto m2 = v2::FileParsers::MolFromMolFile(fname2);
REQUIRE(m2);
MolTransforms::canonicalizeMol(*m2);
int cid1 = -1, cid2 = -1;
auto dist = MolShapes::tanimotoDistance(*m, *m2, cid1, cid2);
CHECK_THAT(dist, Catch::Matchers::WithinAbs(0.31, 0.01));
double gridSpacing = 1.0;
auto dist2 = MolShapes::tanimotoDistance(*m, *m2, cid1, cid2, gridSpacing);
CHECK(fabs(dist2 - dist) > 0.001);
}