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35 /*! \internal \file
36 * \brief
37 * This implements molecule setup tests
38 *
39 * \author Victor Holanda <victor.holanda@cscs.ch>
40 * \author Joe Jordan <ejjordan@kth.se>
41 * \author Prashanth Kanduri <kanduri@cscs.ch>
42 * \author Sebastian Keller <keller@cscs.ch>
43 * \author Artem Zhmurov <zhmurov@gmail.com>
44 */
45 #include "nblib/molecules.h"
46 #include "nblib/exception.h"
47 #include "nblib/particletype.h"
48 #include "nblib/tests/testsystems.h"
49
50 #include "testutils/testasserts.h"
51
52 namespace nblib
53 {
54 namespace test
55 {
56 namespace
57 {
58
TEST(NBlibTest,CanConstructMoleculeWithoutChargeOrResidueName)59 TEST(NBlibTest, CanConstructMoleculeWithoutChargeOrResidueName)
60 {
61 ArAtom arAtom;
62 ParticleType Ar(arAtom.particleTypeName, arAtom.mass);
63 Molecule argon(arAtom.moleculeName);
64 EXPECT_NO_THROW(argon.addParticle(arAtom.particleName, Ar));
65 }
66
TEST(NBlibTest,CanConstructMoleculeWithChargeWithoutResidueName)67 TEST(NBlibTest, CanConstructMoleculeWithChargeWithoutResidueName)
68 {
69 ArAtom arAtom;
70 ParticleType Ar(arAtom.particleTypeName, arAtom.mass);
71 Molecule argon(arAtom.moleculeName);
72 EXPECT_NO_THROW(argon.addParticle(arAtom.particleName, Charge(0), Ar));
73 }
74
TEST(NBlibTest,CanConstructMoleculeWithoutChargeWithResidueName)75 TEST(NBlibTest, CanConstructMoleculeWithoutChargeWithResidueName)
76 {
77 ArAtom arAtom;
78 ParticleType Ar(arAtom.particleTypeName, arAtom.mass);
79 Molecule argon(arAtom.moleculeName);
80 EXPECT_NO_THROW(argon.addParticle(arAtom.particleName, ResidueName("ar2"), Ar));
81 }
82
TEST(NBlibTest,CanConstructMoleculeWithChargeWithResidueName)83 TEST(NBlibTest, CanConstructMoleculeWithChargeWithResidueName)
84 {
85 ArAtom arAtom;
86 ParticleType Ar(arAtom.particleTypeName, arAtom.mass);
87 Molecule argon(arAtom.moleculeName);
88 EXPECT_NO_THROW(argon.addParticle(arAtom.particleName, ResidueName("ar2"), Charge(0), Ar));
89 }
90
TEST(NBlibTest,CanGetNumParticlesInMolecule)91 TEST(NBlibTest, CanGetNumParticlesInMolecule)
92 {
93 WaterMoleculeBuilder waterMolecule;
94 Molecule water = waterMolecule.waterMolecule();
95 auto numParticles = water.numParticlesInMolecule();
96
97 EXPECT_EQ(3, numParticles);
98 }
99
TEST(NBlibTest,CanConstructExclusionListFromNames)100 TEST(NBlibTest, CanConstructExclusionListFromNames)
101 {
102 WaterMoleculeBuilder waterMolecule;
103 Molecule water = waterMolecule.waterMolecule();
104
105 std::vector<std::tuple<int, int>> exclusions = water.getExclusions();
106
107 std::vector<std::tuple<int, int>> reference{ { 0, 0 }, { 0, 1 }, { 0, 2 }, { 1, 0 }, { 1, 1 },
108 { 1, 2 }, { 2, 0 }, { 2, 1 }, { 2, 2 } };
109
110 ASSERT_EQ(exclusions.size(), 9);
111 for (std::size_t i = 0; i < exclusions.size(); ++i)
112 {
113 EXPECT_EQ(exclusions[i], reference[i]);
114 }
115 }
116
TEST(NBlibTest,CanConstructExclusionListFromNamesAndIndicesMixed)117 TEST(NBlibTest, CanConstructExclusionListFromNamesAndIndicesMixed)
118 {
119 WaterMoleculeBuilder waterMolecule;
120 Molecule water = waterMolecule.waterMoleculeWithoutExclusions();
121
122 //! Add the exclusions
123 water.addExclusion(ParticleName("H1"), ParticleName("Oxygen"));
124 water.addExclusion(ParticleName("H2"), ParticleName("Oxygen"));
125 water.addExclusion(ParticleName("H1"), ParticleName("H2"));
126
127 std::vector<std::tuple<int, int>> exclusions = water.getExclusions();
128
129 std::vector<std::tuple<int, int>> reference{ { 0, 0 }, { 0, 1 }, { 0, 2 }, { 1, 0 }, { 1, 1 },
130 { 1, 2 }, { 2, 0 }, { 2, 1 }, { 2, 2 } };
131
132 ASSERT_EQ(exclusions.size(), 9);
133 for (std::size_t i = 0; i < exclusions.size(); ++i)
134 {
135 EXPECT_EQ(exclusions[i], reference[i]);
136 }
137 }
138
TEST(NBlibTest,AtWorks)139 TEST(NBlibTest, AtWorks)
140 {
141 WaterMoleculeBuilder waterMolecule;
142 Molecule water = waterMolecule.waterMolecule();
143 EXPECT_NO_THROW(water.at("Ow"));
144 EXPECT_NO_THROW(water.at("H"));
145 }
146
TEST(NBlibTest,AtThrows)147 TEST(NBlibTest, AtThrows)
148 {
149 WaterMoleculeBuilder waterMolecule;
150 Molecule water = waterMolecule.waterMolecule();
151 EXPECT_THROW_GMX(water.at("Hw"), std::out_of_range);
152 }
153
TEST(NBlibTest,MoleculeThrowsSameParticleTypeNameDifferentMass)154 TEST(NBlibTest, MoleculeThrowsSameParticleTypeNameDifferentMass)
155 {
156 //! User error: Two different ParticleTypes with the same name
157 ParticleType atom1(ParticleTypeName("Atom"), Mass(1));
158 ParticleType atom2(ParticleTypeName("Atom"), Mass(2));
159
160 Molecule molecule(MoleculeName("UraniumDimer"));
161 EXPECT_NO_THROW(molecule.addParticle(ParticleName("U1"), atom1));
162 EXPECT_THROW(molecule.addParticle(ParticleName("U2"), atom2), InputException);
163 }
164
TEST(NBlibTest,MoleculeDontThrowsSameParticleTypeNameDifferentMass)165 TEST(NBlibTest, MoleculeDontThrowsSameParticleTypeNameDifferentMass)
166 {
167 //! User error: Two different ParticleTypes with the same name
168 ParticleType atom1(ParticleTypeName("Atom"), Mass(1));
169 ParticleType atom2(ParticleTypeName("Atom"), Mass(1));
170
171 Molecule molecule(MoleculeName("UraniumDimer"));
172 EXPECT_NO_THROW(molecule.addParticle(ParticleName("U1"), atom1));
173 EXPECT_NO_THROW(molecule.addParticle(ParticleName("U2"), atom2));
174 }
175
TEST(NBlibTest,MoleculeNoThrowsSameParticleTypeName)176 TEST(NBlibTest, MoleculeNoThrowsSameParticleTypeName)
177 {
178 //! User error: Two different ParticleTypes with the same name
179 ParticleType atom1(ParticleTypeName("Atom"), Mass(1));
180 ParticleType atom2(ParticleTypeName("Atom"), Mass(1));
181
182 Molecule molecule(MoleculeName("UraniumDimer"));
183 EXPECT_NO_THROW(molecule.addParticle(ParticleName("U1"), atom1));
184 EXPECT_NO_THROW(molecule.addParticle(ParticleName("U2"), atom2));
185 }
186
TEST(NBlibTest,CanAddInteractions)187 TEST(NBlibTest, CanAddInteractions)
188 {
189 Molecule molecule(MoleculeName("BondTest"));
190 ParticleType O(ParticleTypeName("Ow"), Mass(1));
191 ParticleType H(ParticleTypeName("Hw"), Mass(1));
192 molecule.addParticle(ParticleName("O"), O);
193 molecule.addParticle(ParticleName("H1"), H);
194 molecule.addParticle(ParticleName("H2"), H);
195
196 HarmonicBondType hb(1, 2);
197 CubicBondType cub(1, 2, 3);
198 HarmonicAngleType ang(Degrees(1), 1);
199
200 molecule.addInteraction(ParticleName("O"), ParticleName("H1"), hb);
201 molecule.addInteraction(ParticleName("O"), ParticleName("H2"), hb);
202 molecule.addInteraction(ParticleName("H1"), ParticleName("H2"), cub);
203 molecule.addInteraction(ParticleName("H1"), ParticleName("O"), ParticleName("H2"), ang);
204
205 const auto& interactionData = molecule.interactionData();
206
207 //! harmonic bonds
208 EXPECT_EQ(pickType<HarmonicBondType>(interactionData).interactions_.size(), 2);
209 //! cubic bonds
210 EXPECT_EQ(pickType<CubicBondType>(interactionData).interactions_.size(), 1);
211 //! angular interactions
212 EXPECT_EQ(pickType<HarmonicAngleType>(interactionData).interactions_.size(), 1);
213 }
214
215 } // namespace
216 } // namespace test
217 } // namespace nblib
218