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source: trunk/sources/HeuristicLab.Tests/HeuristicLab-3.3/Samples/GPArtificialAntSampleTest.cs @ 11465

Last change on this file since 11465 was 11450, checked in by bburlacu, 10 years ago

#2211: Separated samples class into separate test classes. Added scripts unit tests (grid search classification/regression).

File size: 4.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 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.SymbolicExpressionTreeEncoding;
26using HeuristicLab.Persistence.Default.Xml;
27using HeuristicLab.Problems.ArtificialAnt;
28using HeuristicLab.Selection;
29using Microsoft.VisualStudio.TestTools.UnitTesting;
30
31namespace HeuristicLab.Tests {
32  /// <summary>
33  /// Summary description for GPArtificialAntSampleTest
34  /// </summary>
35  [TestClass]
36  public class GPArtificialAntSampleTest {
37    private const string samplesDirectory = SamplesUtils.Directory;
38    [ClassInitialize]
39    public static void MyClassInitialize(TestContext testContext) {
40      if (!Directory.Exists(samplesDirectory))
41        Directory.CreateDirectory(samplesDirectory);
42    }
43
44    [TestMethod]
45    [TestCategory("Samples.Create")]
46    [TestProperty("Time", "medium")]
47    public void CreateGpArtificialAntSampleTest() {
48      var ga = CreateGpArtificialAntSample();
49      XmlGenerator.Serialize(ga, @"Samples\SGP_SantaFe.hl");
50    }
51
52    [TestMethod]
53    [TestCategory("Samples.Execute")]
54    [TestProperty("Time", "long")]
55    public void RunGpArtificialAntSampleTest() {
56      var ga = CreateGpArtificialAntSample();
57      ga.SetSeedRandomly.Value = false;
58      SamplesUtils.RunAlgorithm(ga);
59      Assert.AreEqual(81, SamplesUtils.GetDoubleResult(ga, "BestQuality"));
60      Assert.AreEqual(48.19, SamplesUtils.GetDoubleResult(ga, "CurrentAverageQuality"));
61      Assert.AreEqual(0, SamplesUtils.GetDoubleResult(ga, "CurrentWorstQuality"));
62      Assert.AreEqual(50950, SamplesUtils.GetIntResult(ga, "EvaluatedSolutions"));
63    }
64
65    public GeneticAlgorithm CreateGpArtificialAntSample() {
66      GeneticAlgorithm ga = new GeneticAlgorithm();
67      #region Problem Configuration
68      ArtificialAntProblem antProblem = new ArtificialAntProblem();
69      antProblem.BestKnownQuality.Value = 89;
70      antProblem.MaxExpressionDepth.Value = 10;
71      antProblem.MaxExpressionLength.Value = 100;
72      antProblem.MaxFunctionArguments.Value = 3;
73      antProblem.MaxFunctionDefinitions.Value = 3;
74      antProblem.MaxTimeSteps.Value = 600;
75      #endregion
76      #region Algorithm Configuration
77      ga.Name = "Genetic Programming - Artificial Ant";
78      ga.Description = "A standard genetic programming algorithm to solve the artificial ant problem (Santa-Fe trail)";
79      ga.Problem = antProblem;
80      SamplesUtils.ConfigureGeneticAlgorithmParameters<TournamentSelector, SubtreeCrossover, MultiSymbolicExpressionTreeArchitectureManipulator>(
81        ga, 1000, 1, 50, 0.15, 5);
82      var mutator = (MultiSymbolicExpressionTreeArchitectureManipulator)ga.Mutator;
83      mutator.Operators.SetItemCheckedState(mutator.Operators
84        .OfType<FullTreeShaker>()
85        .Single(), false);
86      mutator.Operators.SetItemCheckedState(mutator.Operators
87        .OfType<OnePointShaker>()
88        .Single(), false);
89      mutator.Operators.SetItemCheckedState(mutator.Operators
90        .OfType<ArgumentDeleter>()
91        .Single(), false);
92      mutator.Operators.SetItemCheckedState(mutator.Operators
93        .OfType<SubroutineDeleter>()
94        .Single(), false);
95      #endregion
96      return ga;
97    }
98  }
99}
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