1 // ****************************************************************************** 2 // 3 // Title: Force Field X. 4 // Description: Force Field X - Software for Molecular Biophysics. 5 // Copyright: Copyright (c) Michael J. Schnieders 2001-2024. 6 // 7 // This file is part of Force Field X. 8 // 9 // Force Field X is free software; you can redistribute it and/or modify it 10 // under the terms of the GNU General Public License version 3 as published by 11 // the Free Software Foundation. 12 // 13 // Force Field X is distributed in the hope that it will be useful, but WITHOUT 14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 15 // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 16 // details. 17 // 18 // You should have received a copy of the GNU General Public License along with 19 // Force Field X; if not, write to the Free Software Foundation, Inc., 59 Temple 20 // Place, Suite 330, Boston, MA 02111-1307 USA 21 // 22 // Linking this library statically or dynamically with other modules is making a 23 // combined work based on this library. Thus, the terms and conditions of the 24 // GNU General Public License cover the whole combination. 25 // 26 // As a special exception, the copyright holders of this library give you 27 // permission to link this library with independent modules to produce an 28 // executable, regardless of the license terms of these independent modules, and 29 // to copy and distribute the resulting executable under terms of your choice, 30 // provided that you also meet, for each linked independent module, the terms 31 // and conditions of the license of that module. An independent module is a 32 // module which is not derived from or based on this library. If you modify this 33 // library, you may extend this exception to your version of the library, but 34 // you are not obligated to do so. If you do not wish to do so, delete this 35 // exception statement from your version. 36 // 37 // ****************************************************************************** 38 package ffx.realspace; 39 40 import static org.junit.Assert.assertEquals; 41 42 import ffx.algorithms.misc.AlgorithmsTest; 43 import ffx.numerics.Potential; 44 import ffx.realspace.groovy.ManyBody; 45 import java.util.List; 46 import org.junit.Test; 47 48 /** 49 * Tests Real-space many-body optimization. 50 * 51 * @author Mallory R. Tollefson 52 */ 53 public class RealspaceManyBodyTest extends AlgorithmsTest { 54 55 // @Test 56 public void testManyBodyGlobal() { 57 // Set-up the input arguments for the script. 58 String[] args = { 59 "-a", "2", 60 "-L", "2", 61 "--sR", "1", 62 "--fR", "5", 63 getResourcePath("file.pdb"), 64 getResourcePath("file.mtz") 65 }; 66 binding.setVariable("args", args); 67 binding.setVariable("baseDir", registerTemporaryDirectory().toFile()); 68 69 // Construct and run the ManyBody test. 70 ManyBody manyBody = new ManyBody(binding).run(); 71 algorithmsScript = manyBody; 72 73 List<Potential> list = manyBody.getPotentials(); 74 double expectedPotential = 0; 75 double actualPotential = list.get(0).getTotalEnergy(); 76 77 // The normalized difference between actual and expected potential should be very close to 0 no 78 // matter 79 // the magnitude of the potentials. 80 double differenceNorm = (expectedPotential - actualPotential) / actualPotential; 81 assertEquals(differenceNorm, 0, 1E-8); 82 manyBody.getManyBodyOptions().getRestartFile().delete(); 83 } 84 85 @Test 86 public void testManyBodyHelp() { 87 // Set-up the input arguments for the Biotype script. 88 String[] args = {"-h"}; 89 binding.setVariable("args", args); 90 91 // Construct and run the ManyBody test. 92 ManyBody manyBody = new ManyBody(binding).run(); 93 algorithmsScript = manyBody; 94 } 95 }