[11450] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.CodeDom.Compiler;
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| 24 | using System.IO;
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| 25 | using System.Linq;
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| 26 | using System.Reflection;
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| 27 | using HeuristicLab.Common;
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| 28 | using HeuristicLab.Core;
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| 29 | using HeuristicLab.Optimizer;
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| 30 | using HeuristicLab.Persistence.Default.Xml;
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| 31 | using HeuristicLab.Problems.DataAnalysis;
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| 32 | using HeuristicLab.Scripting;
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| 33 | using Microsoft.VisualStudio.TestTools.UnitTesting;
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| 34 |
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| 35 | namespace HeuristicLab.Tests {
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| 36 | [TestClass]
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| 37 | public class GridSearchScriptTest {
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| 38 | private const string PathPrefix = "HeuristicLab.Optimizer.Documents.";
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| 39 | private const string PathSuffix = ".hl";
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| 40 | private const string SvmClassificationScriptName = "GridSearch_SVM_Classification";
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| 41 | private const string SvmRegressionScriptName = "GridSearch_SVM_Regression";
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| 42 | private const string RandomForestRegressionScriptName = "GridSearch_RF_Regression";
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| 43 | private const string RandomForestClassificationScriptName = "GridSearch_RF_Classification";
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| 44 | private const string SamplesDirectory = SamplesUtils.Directory;
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| 45 |
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| 46 | [ClassInitialize]
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| 47 | public static void MyClassInitialize(TestContext testContext) {
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| 48 | PluginLoader.Assemblies.Any();
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| 49 | if (!Directory.Exists(SamplesDirectory))
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| 50 | Directory.CreateDirectory(SamplesDirectory);
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| 51 | }
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| 52 |
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| 53 | [TestMethod]
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[11466] | 54 | [TestCategory("Scripting")]
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[11450] | 55 | public void RunRandomForestRegressionScriptTest() {
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| 56 | var assembly = new StartPage().GetType().Assembly;
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| 57 | const string name = PathPrefix + RandomForestRegressionScriptName + PathSuffix;
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| 58 | var script = (CSharpScript)LoadSample(name, assembly);
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| 59 |
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| 60 | try {
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| 61 | script.Compile();
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| 62 | }
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| 63 | catch {
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| 64 | if (script.CompileErrors.HasErrors) {
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| 65 | ShowCompilationResults(script);
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| 66 | throw new Exception("Compilation failed.");
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| 67 | } else {
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| 68 | Console.WriteLine("Compilation succeeded.");
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| 69 | }
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| 70 | }
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| 71 | finally {
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| 72 | script.Execute();
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| 73 | var vs = script.VariableStore;
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| 74 | var solution = (IRegressionSolution)vs["demo_bestSolution"];
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| 75 | Assert.IsTrue(solution.TrainingRSquared.IsAlmost(1));
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| 76 | }
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| 77 | }
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| 78 |
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| 79 | [TestMethod]
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[11466] | 80 | [TestCategory("Scripting")]
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[11450] | 81 | public void RunRandomForestClassificationScriptTest() {
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| 82 | var assembly = new StartPage().GetType().Assembly;
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| 83 | const string name = PathPrefix + RandomForestClassificationScriptName + PathSuffix;
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| 84 | var script = (CSharpScript)LoadSample(name, assembly);
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| 85 |
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| 86 | try {
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| 87 | script.Compile();
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| 88 | }
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| 89 | catch {
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| 90 | if (script.CompileErrors.HasErrors) {
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| 91 | ShowCompilationResults(script);
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| 92 | throw new Exception("Compilation failed.");
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| 93 | } else {
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| 94 | Console.WriteLine("Compilation succeeded.");
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| 95 | }
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| 96 | }
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| 97 | finally {
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| 98 | script.Execute();
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| 99 | var vs = script.VariableStore;
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| 100 | var solution = (IClassificationSolution)vs["demo_bestSolution"];
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[11466] | 101 | Assert.IsTrue(solution.TrainingAccuracy.IsAlmost(1) && solution.TestAccuracy.IsAlmost(0.953125));
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[11450] | 102 | }
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| 103 | }
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| 104 |
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| 105 | [TestMethod]
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[11466] | 106 | [TestCategory("Scripting")]
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[11450] | 107 | public void RunSvmRegressionScriptTest() {
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| 108 | var assembly = new StartPage().GetType().Assembly;
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| 109 | const string name = PathPrefix + SvmRegressionScriptName + PathSuffix;
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| 110 | var script = (CSharpScript)LoadSample(name, assembly);
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| 111 |
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| 112 | try {
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| 113 | script.Compile();
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| 114 | }
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| 115 | catch {
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| 116 | if (script.CompileErrors.HasErrors) {
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| 117 | ShowCompilationResults(script);
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| 118 | throw new Exception("Compilation failed.");
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| 119 | } else {
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| 120 | Console.WriteLine("Compilation succeeded.");
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| 121 | }
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| 122 | }
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| 123 | finally {
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| 124 | script.Execute();
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| 125 | var vs = script.VariableStore;
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| 126 | var solution = (IRegressionSolution)vs["demo_bestSolution"];
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[11466] | 127 | Assert.IsTrue(solution.TrainingRSquared.IsAlmost(0.066221959224331) && solution.TestRSquared.IsAlmost(0.0794407638195883));
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[11450] | 128 | }
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| 129 | }
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| 130 |
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| 131 | [TestMethod]
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[11466] | 132 | [TestCategory("Scripting")]
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[11450] | 133 | public void RunSvmClassificationScriptTest() {
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| 134 | var assembly = new StartPage().GetType().Assembly;
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| 135 | const string name = PathPrefix + SvmClassificationScriptName + PathSuffix;
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| 136 | var script = (CSharpScript)LoadSample(name, assembly);
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| 137 |
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| 138 | try {
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| 139 | script.Compile();
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| 140 | }
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| 141 | catch {
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| 142 | if (script.CompileErrors.HasErrors) {
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| 143 | ShowCompilationResults(script);
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| 144 | throw new Exception("Compilation failed.");
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| 145 | } else {
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| 146 | Console.WriteLine("Compilation succeeded.");
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| 147 | }
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| 148 | }
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| 149 | finally {
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| 150 | script.Execute();
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| 151 | var vs = script.VariableStore;
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| 152 | var solution = (IClassificationSolution)vs["demo_bestSolution"];
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[11466] | 153 | Assert.IsTrue(solution.TrainingAccuracy.IsAlmost(0.817472698907956) && solution.TestAccuracy.IsAlmost(0.809375));
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[11450] | 154 | }
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| 155 | }
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| 156 |
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| 157 | #region Helpers
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| 158 | private static void ShowCompilationResults(Script script) {
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| 159 | if (script.CompileErrors.Count == 0) return;
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| 160 | var msgs = script.CompileErrors.OfType<CompilerError>()
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| 161 | .OrderBy(x => x.IsWarning)
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| 162 | .ThenBy(x => x.Line)
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| 163 | .ThenBy(x => x.Column);
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| 164 | foreach (var m in msgs) {
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| 165 | Console.WriteLine(m);
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| 166 | }
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| 167 | }
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| 168 |
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| 169 | private INamedItem LoadSample(string name, Assembly assembly) {
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| 170 | string path = Path.GetTempFileName();
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| 171 | INamedItem item = null;
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| 172 | try {
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| 173 | using (var stream = assembly.GetManifestResourceStream(name)) {
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| 174 | WriteStreamToTempFile(stream, path); // create a file in a temporary folder (persistence cannot load these files directly from the stream)
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| 175 | item = XmlParser.Deserialize<INamedItem>(path);
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| 176 | }
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| 177 | }
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| 178 | catch (Exception) {
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| 179 | }
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| 180 | finally {
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| 181 | if (File.Exists(path)) {
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| 182 | File.Delete(path); // make sure we remove the temporary file
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| 183 | }
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| 184 | }
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| 185 | return item;
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| 186 | }
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| 187 |
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| 188 | private void WriteStreamToTempFile(Stream stream, string path) {
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| 189 | using (FileStream output = new FileStream(path, FileMode.Create, FileAccess.Write)) {
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| 190 | stream.CopyTo(output);
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| 191 | }
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| 192 | }
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| 193 | #endregion
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| 194 | }
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| 195 | }
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