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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.
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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.
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37  // ******************************************************************************
38  package ffx.algorithms.groovy;
39  
40  import static org.junit.Assert.assertEquals;
41  
42  import ffx.algorithms.misc.AlgorithmsTest;
43  import org.junit.Test;
44  
45  /**
46   * Tests CrystalMin and CrystalMin.groovy scripts for -e -I -f and -c flags.
47   *
48   * @author Aaron J. Nessler
49   * @author Mallory R. Tollefson
50   */
51  public class MinimizeCrystalsTest extends AlgorithmsTest {
52  
53    /** Tests convergence criteria flag of the CrystalMin class. */
54    @Test
55    public void testCrystalMinConvergenceCriteria() {
56      // Set-up the input arguments for the script.
57      String[] args = {"-e", "0.25", getResourcePath("acetamide.xtal.xyz")};
58      binding.setVariable("args", args);
59      binding.setVariable("baseDir", registerTemporaryDirectory().toFile());
60  
61      // Construct and evaluate the script.
62      MinimizeCrystals xtalMin = new MinimizeCrystals(binding).run();
63      algorithmsScript = xtalMin;
64  
65      double expectedPotentialEnergy = -32.72657973215976;
66  
67      double actualPotentialEnergy =
68          xtalMin.getPotentials().get(xtalMin.getPotentials().size() - 1).getTotalEnergy();
69      assertEquals(expectedPotentialEnergy, actualPotentialEnergy, 1E-6);
70    }
71  
72    /** Tests the fractional flag of the CrystalMin class. */
73    @Test
74    public void testCrystalMinCoords() {
75      // Set-up the input arguments for the script.
76      String[] args = {"-c", getResourcePath("acetamide.xtal.xyz")};
77      binding.setVariable("args", args);
78      binding.setVariable("baseDir", registerTemporaryDirectory().toFile());
79  
80      // Construct and evaluate the script.
81      MinimizeCrystals xtalMin = new MinimizeCrystals(binding).run();
82      algorithmsScript = xtalMin;
83  
84      double expectedPotentialEnergy = -32.53569940765405;
85  
86      double actualPotentialEnergy =
87          xtalMin.getPotentials().get(xtalMin.getPotentials().size() - 1).getTotalEnergy();
88      assertEquals(expectedPotentialEnergy, actualPotentialEnergy, 1E-6);
89    }
90  
91    /** Tests the fractional flag of the CrystalMin class. */
92    @Test
93    public void testCrystalMinFractional() {
94      // Set-up the input arguments for the script.
95      String[] args = {"-f", "ATOM", "-e", "0.24", getResourcePath("acetamide.xtal.xyz")};
96      binding.setVariable("args", args);
97      binding.setVariable("baseDir", registerTemporaryDirectory().toFile());
98  
99      // Construct and evaluate the script.
100     MinimizeCrystals xtalMin = new MinimizeCrystals(binding).run();
101     algorithmsScript = xtalMin;
102 
103     double expectedPotentialEnergy = -32.54443451197122;
104 
105     double actualPotentialEnergy =
106         xtalMin.getPotentials().get(xtalMin.getPotentials().size() - 1).getTotalEnergy();
107     assertEquals(expectedPotentialEnergy, actualPotentialEnergy, 1E-6);
108   }
109 
110   @Test
111   public void testCrystalMinHelp() {
112     // Set-up the input arguments for the CrystalMin script.
113     String[] args = {"-h"};
114     binding.setVariable("args", args);
115 
116     // Construct and evaluate the script.
117     MinimizeCrystals xtalMin = new MinimizeCrystals(binding).run();
118     algorithmsScript = xtalMin;
119   }
120 
121   /** Tests the iterations flag of the CrystalMin class. */
122   @Test
123   public void testCrystalMinIterations() {
124     // Set-up the input arguments for the script.
125     String[] args = {"-I", "1", "-e", "0.25", getResourcePath("acetamide.xtal.xyz")};
126 
127     binding.setVariable("args", args);
128     binding.setVariable("baseDir", registerTemporaryDirectory().toFile());
129 
130     // Construct and evaluate the script.
131     MinimizeCrystals xtalMin = new MinimizeCrystals(binding).run();
132     algorithmsScript = xtalMin;
133 
134     double expectedPotentialEnergy = -32.63131283241016;
135 
136     double actualPotentialEnergy =
137         xtalMin.getPotentials().get(xtalMin.getPotentials().size() - 1).getTotalEnergy();
138     assertEquals(expectedPotentialEnergy, actualPotentialEnergy, 1E-6);
139   }
140 }