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source: trunk/HeuristicLab.Tests/HeuristicLab-3.3/Samples/GATspSampleTest.cs @ 16125

Last change on this file since 16125 was 15583, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers

File size: 3.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.IO;
23using System.Linq;
24using HeuristicLab.Algorithms.GeneticAlgorithm;
25using HeuristicLab.Encodings.PermutationEncoding;
26using HeuristicLab.Persistence.Default.Xml;
27using HeuristicLab.Problems.Instances.TSPLIB;
28using HeuristicLab.Problems.TravelingSalesman;
29using HeuristicLab.Selection;
30using Microsoft.VisualStudio.TestTools.UnitTesting;
31
32namespace HeuristicLab.Tests {
33  [TestClass]
34  public class GATspSampleTest {
35    private const string SampleFileName = "GA_TSP";
36
37    [TestMethod]
38    [TestCategory("Samples.Create")]
39    [TestProperty("Time", "medium")]
40    public void CreateGaTspSampleTest() {
41      var ga = CreateGaTspSample();
42      string path = Path.Combine(SamplesUtils.SamplesDirectory, SampleFileName + SamplesUtils.SampleFileExtension);
43      XmlGenerator.Serialize(ga, path);
44    }
45
46    [TestMethod]
47    [TestCategory("Samples.Execute")]
48    [TestProperty("Time", "long")]
49    public void RunGaTspSampleTest() {
50      var ga = CreateGaTspSample();
51      ga.SetSeedRandomly.Value = false;
52      SamplesUtils.RunAlgorithm(ga);
53      Assert.AreEqual(12332, SamplesUtils.GetDoubleResult(ga, "BestQuality"));
54      Assert.AreEqual(13123.2, SamplesUtils.GetDoubleResult(ga, "CurrentAverageQuality"));
55      Assert.AreEqual(14538, SamplesUtils.GetDoubleResult(ga, "CurrentWorstQuality"));
56      Assert.AreEqual(99100, SamplesUtils.GetIntResult(ga, "EvaluatedSolutions"));
57    }
58
59    private GeneticAlgorithm CreateGaTspSample() {
60      GeneticAlgorithm ga = new GeneticAlgorithm();
61
62      #region Problem Configuration
63      var provider = new TSPLIBTSPInstanceProvider();
64      var instance = provider.GetDataDescriptors().Where(x => x.Name == "ch130").Single();
65      TravelingSalesmanProblem tspProblem = new TravelingSalesmanProblem();
66      tspProblem.Load(provider.LoadData(instance));
67      tspProblem.UseDistanceMatrix.Value = true;
68      #endregion
69      #region Algorithm Configuration
70      ga.Name = "Genetic Algorithm - TSP";
71      ga.Description = "A genetic algorithm which solves the \"ch130\" traveling salesman problem (imported from TSPLIB)";
72      ga.Problem = tspProblem;
73      SamplesUtils.ConfigureGeneticAlgorithmParameters<ProportionalSelector, OrderCrossover2, InversionManipulator>(
74        ga, 100, 1, 1000, 0.05);
75      #endregion
76
77      return ga;
78    }
79  }
80}
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