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SMSDNormalizerTest.java
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SMSDNormalizerTest.java
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/* Copyright (C) 2010 Egon Willighagen <egonw@users.sf.net>
*
* Contact: cdk-devel@lists.sourceforge.net
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version. All we ask is that proper credit is given for our work,
* which includes - but is not limited to - adding the above copyright notice to
* the beginning of your source code files, and to any copyright notice that you
* may distribute with programs based on this work.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received rAtomCount copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.openscience.cdk.normalize;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.openscience.cdk.CDKConstants;
import org.openscience.cdk.DefaultChemObjectBuilder;
import org.openscience.cdk.exception.InvalidSmilesException;
import org.openscience.cdk.interfaces.IAtom;
import org.openscience.cdk.interfaces.IAtomContainer;
import org.openscience.cdk.interfaces.IBond;
import org.openscience.cdk.smiles.SmilesParser;
/**
* @author Syed Asad Rahman <asad@ebi.ac.uk>
*
* @cdk.module test-smsd
*/
public class SMSDNormalizerTest {
public SMSDNormalizerTest() {}
@BeforeClass
public static void setUpClass() throws Exception {}
@AfterClass
public static void tearDownClass() throws Exception {}
@Before
public void setUp() {}
@After
public void tearDown() {}
/**
* Test of makeDeepCopy method, of class SMSDNormalizer.
* @throws InvalidSmilesException
*/
@Test
public void testMakeDeepCopy() throws InvalidSmilesException {
String rawMolSmiles = "[H]POOSC(Br)C(Cl)C(F)I";
SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
IAtomContainer container = sp.parseSmiles(rawMolSmiles);
int counter = 0;
for (IAtom a : container.atoms()) {
a.setID(String.valueOf(counter++));
}
IAtomContainer result = SMSDNormalizer.makeDeepCopy(container);
for (int i = 0; i < result.getAtomCount(); i++) {
assertEquals(result.getAtom(i).getSymbol(), container.getAtom(i).getSymbol());
assertEquals(result.getAtom(i).getID(), container.getAtom(i).getID());
}
}
/**
* Test of aromatizeMolecule method, of class SMSDNormalizer.
* @throws InvalidSmilesException
*/
@Test
public void testAromatizeMolecule() throws InvalidSmilesException {
String rawMolSmiles = "C1=CC2=C(C=C1)C=CC=C2";
SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
IAtomContainer mol = sp.parseSmiles(rawMolSmiles);
SMSDNormalizer.aromatizeMolecule(mol);
int count = 0;
for (IBond b : mol.bonds()) {
if (b.getFlag(CDKConstants.ISAROMATIC) && b.getOrder().equals(IBond.Order.DOUBLE)) {
count++;
}
}
assertEquals(5, count);
}
/**
* Test of getExplicitHydrogenCount method, of class SMSDNormalizer.
* @throws InvalidSmilesException
*/
@Test
public void testGetExplicitHydrogenCount() throws InvalidSmilesException {
String rawMolSmiles = "[H]POOSC(Br)C(Cl)C(F)I";
SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
IAtomContainer atomContainer = sp.parseSmiles(rawMolSmiles);
IAtom atom = null;
for (IAtom a : atomContainer.atoms()) {
if (a.getSymbol().equalsIgnoreCase("P")) {
atom = a;
break;
}
}
int expResult = 1;
int result = SMSDNormalizer.getExplicitHydrogenCount(atomContainer, atom);
assertEquals(expResult, result);
}
/**
* Test of getImplicitHydrogenCount method, of class SMSDNormalizer.
* @throws InvalidSmilesException
*/
@Test
public void testGetImplicitHydrogenCount() throws InvalidSmilesException {
String rawMolSmiles = "[H]POOSC(Br)C(Cl)C(F)I";
SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
IAtomContainer atomContainer = sp.parseSmiles(rawMolSmiles);
IAtom atom = null;
for (IAtom a : atomContainer.atoms()) {
if (a.getSymbol().equalsIgnoreCase("P")) {
atom = a;
break;
}
}
int expResult = 1;
int result = SMSDNormalizer.getImplicitHydrogenCount(atomContainer, atom);
assertEquals(expResult, result);
}
/**
* Test of getHydrogenCount method, of class SMSDNormalizer.
* @throws InvalidSmilesException
*/
@Test
public void testGetHydrogenCount() throws InvalidSmilesException {
String rawMolSmiles = "[H]POOSC(Br)C(Cl)C(F)I";
SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
IAtomContainer atomContainer = sp.parseSmiles(rawMolSmiles);
IAtom atom = null;
for (IAtom a : atomContainer.atoms()) {
if (a.getSymbol().equalsIgnoreCase("P")) {
atom = a;
break;
}
}
int expResult = 2;
int result = SMSDNormalizer.getHydrogenCount(atomContainer, atom);
assertEquals(expResult, result);
}
/**
* Test of removeHydrogensAndPreserveAtomID method, of class SMSDNormalizer.
* @throws InvalidSmilesException
*/
@Test
public void testRemoveHydrogensAndPreserveAtomID() throws InvalidSmilesException {
String rawMolSmiles = "[H]POOSC(Br)C(Cl)C(F)I";
SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
IAtomContainer atomContainer = sp.parseSmiles(rawMolSmiles);
IAtom beforeAtom = null;
IAtom afterAtom = null;
for (IAtom a : atomContainer.atoms()) {
if (a.getSymbol().equalsIgnoreCase("P")) {
beforeAtom = a;
a.setID("TEST");
break;
}
}
IAtomContainer result = SMSDNormalizer.removeHydrogensAndPreserveAtomID(atomContainer);
for (IAtom a : result.atoms()) {
if (a.getSymbol().equalsIgnoreCase("P")) {
afterAtom = a;
break;
}
}
assertEquals(afterAtom.getID(), beforeAtom.getID());
}
/**
* Test of convertExplicitToImplicitHydrogens method, of class SMSDNormalizer.
* @throws InvalidSmilesException
*/
@Test
public void testConvertExplicitToImplicitHydrogens() throws InvalidSmilesException {
String rawMolSmiles = "[H]POOSC(Br)C(Cl)C(F)I";
SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
IAtomContainer atomContainer = sp.parseSmiles(rawMolSmiles);
int expResult = 11;
IAtomContainer result = SMSDNormalizer.convertExplicitToImplicitHydrogens(atomContainer);
assertEquals(expResult, result.getAtomCount());
}
/**
* Test of percieveAtomTypesAndConfigureAtoms method, of class SMSDNormalizer.
* @throws Exception
*/
@Test
public void testPercieveAtomTypesAndConfigureAtoms() throws Exception {
String rawMolSmiles = "[H]POOSC(Br)C(Cl)C(F)I";
SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
IAtomContainer atomContainer = sp.parseSmiles(rawMolSmiles);
SMSDNormalizer.percieveAtomTypesAndConfigureAtoms(atomContainer);
assertNotNull(atomContainer);
}
}