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source: stable/HeuristicLab.Tests/HeuristicLab.Scripting-3.3/GridSearchSVMRegressionScriptTest.cs @ 17692

Last change on this file since 17692 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.Problems.DataAnalysis;
26using HeuristicLab.Problems.Instances.DataAnalysis;
27using HeuristicLab.Scripting;
28using Microsoft.VisualStudio.TestTools.UnitTesting;
29
30namespace HeuristicLab.Tests {
31  [TestClass]
32  public class GridSearchSVMRegressionScriptTest {
33    private const string ScriptFileName = "GridSearch_SVM_Regression_Script";
34    private const string ScriptItemName = "Grid Search SVM Script - Regression";
35    private const string ScriptItemDescription = "A script that runs a grid search for SVM parameters for solving symbolic regression problems";
36    private const string ProblemInstanceName = "Keijzer 9 f(x) = arcsinh(x)  i.e. ln(x + sqrt(x² + 1))";
37    private const string ProblemInstanceDataVaribleName = "problem";
38    private const string BestSolutionVariableName = "bestSolution";
39
40    private static readonly ProtoBufSerializer serializer = new ProtoBufSerializer();
41
42    [TestMethod]
43    [TestCategory("Scripts.Create")]
44    [TestProperty("Time", "short")]
45    public void CreateGridSearchSVMRegressionScriptTest() {
46      var script = CreateGridSearchSVMRegressionScript();
47      string path = Path.Combine(ScriptingUtils.ScriptsDirectory, ScriptFileName + ScriptingUtils.ScriptFileExtension);
48      serializer.Serialize(script, path);
49    }
50
51    [TestMethod]
52    [TestCategory("Scripts.Execute")]
53    [TestProperty("Time", "medium")]
54    public void RunGridSearchSVMRegressionScriptTest() {
55      var script = CreateGridSearchSVMRegressionScript();
56
57      script.Compile();
58      ScriptingUtils.RunScript(script);
59
60      var bestSolution = ScriptingUtils.GetVariable<IRegressionSolution>(script, BestSolutionVariableName);
61      Assert.AreEqual(0.982485852864274, bestSolution.TrainingRSquared, 1E-8);
62      Assert.AreEqual(0.98817480950295, bestSolution.TestRSquared, 1E-8);
63    }
64
65    private CSharpScript CreateGridSearchSVMRegressionScript() {
66      var script = new CSharpScript {
67        Name = ScriptItemName,
68        Description = ScriptItemDescription
69      };
70      #region Variables
71      var provider = new KeijzerInstanceProvider();
72      var instance = (ArtificialRegressionDataDescriptor)provider.GetDataDescriptors().Single(x => x.Name == ProblemInstanceName);
73      var data = instance.GenerateRegressionData();
74      script.VariableStore.Add(ProblemInstanceDataVaribleName, data);
75      #endregion
76      #region Code
77      script.Code = ScriptSources.GridSearchSVMRegressionScriptSource;
78      #endregion
79      return script;
80    }
81  }
82}
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