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source: stable/HeuristicLab.Tests/HeuristicLab-3.3/Samples/IslandGaTspSampleTest.cs @ 18068

Last change on this file since 18068 was 17181, checked in by swagner, 5 years ago

#2875: Merged r17180 from trunk to stable

File size: 3.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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 HEAL.Attic;
25using HeuristicLab.Algorithms.GeneticAlgorithm;
26using HeuristicLab.Encodings.PermutationEncoding;
27using HeuristicLab.Optimization.Operators;
28using HeuristicLab.Problems.Instances.TSPLIB;
29using HeuristicLab.Problems.TravelingSalesman;
30using HeuristicLab.Selection;
31using Microsoft.VisualStudio.TestTools.UnitTesting;
32
33namespace HeuristicLab.Tests {
34  [TestClass]
35  public class UnitTest1 {
36    private const string SampleFileName = "IslandGA_TSP";
37    private static readonly ProtoBufSerializer serializer = new ProtoBufSerializer();
38
39    [TestMethod]
40    [TestCategory("Samples.Create")]
41    [TestProperty("Time", "medium")]
42    public void CreateIslandGaTspSampleTest() {
43      var ga = CreateIslandGaTspSample();
44      string path = Path.Combine(SamplesUtils.SamplesDirectory, SampleFileName + SamplesUtils.SampleFileExtension);
45      serializer.Serialize(ga, path);
46    }
47    [TestMethod]
48    [TestCategory("Samples.Execute")]
49    [TestProperty("Time", "long")]
50    public void RunIslandGaTspSampleTest() {
51      var ga = CreateIslandGaTspSample();
52      ga.SetSeedRandomly.Value = false;
53      SamplesUtils.RunAlgorithm(ga);
54      Assert.AreEqual(9918, SamplesUtils.GetDoubleResult(ga, "BestQuality"));
55      Assert.AreEqual(10324.64, SamplesUtils.GetDoubleResult(ga, "CurrentAverageQuality"));
56      Assert.AreEqual(11823, SamplesUtils.GetDoubleResult(ga, "CurrentWorstQuality"));
57      Assert.AreEqual(495500, SamplesUtils.GetIntResult(ga, "EvaluatedSolutions"));
58    }
59
60    private IslandGeneticAlgorithm CreateIslandGaTspSample() {
61      IslandGeneticAlgorithm ga = new IslandGeneticAlgorithm();
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 = "Island Genetic Algorithm - TSP";
71      ga.Description = "An island genetic algorithm which solves the \"ch130\" traveling salesman problem (imported from TSPLIB)";
72      ga.Problem = tspProblem;
73      SamplesUtils.ConfigureIslandGeneticAlgorithmParameters<ProportionalSelector, OrderCrossover2, InversionManipulator,
74        UnidirectionalRingMigrator, BestSelector, WorstReplacer>(
75        ga, 100, 1, 1000, 0.05, 5, 50, 0.25);
76      #endregion
77      return ga;
78    }
79  }
80}
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