[11450] | 1 | #region License Information
|
---|
| 2 | /* HeuristicLab
|
---|
[15583] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
[11450] | 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 |
|
---|
| 22 | using System.IO;
|
---|
| 23 | using System.Linq;
|
---|
| 24 | using HeuristicLab.Algorithms.GeneticAlgorithm;
|
---|
| 25 | using HeuristicLab.Persistence.Default.Xml;
|
---|
| 26 | using HeuristicLab.Problems.Instances;
|
---|
| 27 | using HeuristicLab.Problems.Instances.VehicleRouting;
|
---|
| 28 | using HeuristicLab.Problems.VehicleRouting;
|
---|
| 29 | using HeuristicLab.Problems.VehicleRouting.Encodings.General;
|
---|
| 30 | using HeuristicLab.Problems.VehicleRouting.Encodings.Potvin;
|
---|
| 31 | using HeuristicLab.Problems.VehicleRouting.ProblemInstances;
|
---|
| 32 | using HeuristicLab.Selection;
|
---|
| 33 | using Microsoft.VisualStudio.TestTools.UnitTesting;
|
---|
| 34 |
|
---|
| 35 | namespace HeuristicLab.Tests {
|
---|
| 36 | [TestClass]
|
---|
| 37 | public class GAVrpSampleTest {
|
---|
[11514] | 38 | private const string SampleFileName = "GA_VRP";
|
---|
[11450] | 39 |
|
---|
| 40 | [TestMethod]
|
---|
| 41 | [TestCategory("Samples.Create")]
|
---|
| 42 | [TestProperty("Time", "medium")]
|
---|
| 43 | public void CreateGaVrpSampleTest() {
|
---|
| 44 | var ga = CreateGaVrpSample();
|
---|
[11514] | 45 | string path = Path.Combine(SamplesUtils.SamplesDirectory, SampleFileName + SamplesUtils.SampleFileExtension);
|
---|
| 46 | XmlGenerator.Serialize(ga, path);
|
---|
[11450] | 47 | }
|
---|
| 48 |
|
---|
| 49 | [TestMethod]
|
---|
| 50 | [TestCategory("Samples.Execute")]
|
---|
| 51 | [TestProperty("Time", "long")]
|
---|
| 52 | public void RunGaVrpSampleTest() {
|
---|
| 53 | var ga = CreateGaVrpSample();
|
---|
| 54 | ga.SetSeedRandomly.Value = false;
|
---|
| 55 | SamplesUtils.RunAlgorithm(ga);
|
---|
| 56 | Assert.AreEqual(1828.9368669428338, SamplesUtils.GetDoubleResult(ga, "BestQuality"));
|
---|
| 57 | Assert.AreEqual(1830.1444308908331, SamplesUtils.GetDoubleResult(ga, "CurrentAverageQuality"));
|
---|
| 58 | Assert.AreEqual(1871.7128510304112, SamplesUtils.GetDoubleResult(ga, "CurrentWorstQuality"));
|
---|
| 59 | Assert.AreEqual(99100, SamplesUtils.GetIntResult(ga, "EvaluatedSolutions"));
|
---|
| 60 | }
|
---|
| 61 |
|
---|
| 62 | private GeneticAlgorithm CreateGaVrpSample() {
|
---|
| 63 | GeneticAlgorithm ga = new GeneticAlgorithm();
|
---|
[11514] | 64 |
|
---|
[11450] | 65 | #region Problem Configuration
|
---|
| 66 | VehicleRoutingProblem vrpProblem = new VehicleRoutingProblem();
|
---|
| 67 |
|
---|
| 68 | SolomonFormatInstanceProvider instanceProvider = new SolomonInstanceProvider();
|
---|
| 69 | CVRPTWData data = instanceProvider.Import(@"Test Resources\C101.txt", @"Test Resources\C101.opt.txt") as CVRPTWData;
|
---|
| 70 | vrpProblem.Load(data);
|
---|
| 71 | vrpProblem.Name = "C101 VRP (imported from Solomon)";
|
---|
| 72 | vrpProblem.Description = "Represents a Vehicle Routing Problem.";
|
---|
| 73 | CVRPTWProblemInstance instance = vrpProblem.ProblemInstance as CVRPTWProblemInstance;
|
---|
| 74 | instance.DistanceFactor.Value = 1;
|
---|
| 75 | instance.FleetUsageFactor.Value = 100;
|
---|
| 76 | instance.OverloadPenalty.Value = 100;
|
---|
| 77 | instance.TardinessPenalty.Value = 100;
|
---|
| 78 | instance.TimeFactor.Value = 0;
|
---|
| 79 | vrpProblem.MaximizationParameter.Value.Value = false;
|
---|
| 80 | instance.UseDistanceMatrix.Value = true;
|
---|
| 81 | instance.Vehicles.Value = 25;
|
---|
| 82 | #endregion
|
---|
| 83 | #region Algorithm Configuration
|
---|
| 84 | ga.Name = "Genetic Algorithm - VRP";
|
---|
| 85 | ga.Description = "A genetic algorithm which solves the \"C101\" vehicle routing problem (imported from Solomon)";
|
---|
| 86 | ga.Problem = vrpProblem;
|
---|
| 87 | SamplesUtils.ConfigureGeneticAlgorithmParameters<TournamentSelector, MultiVRPSolutionCrossover, MultiVRPSolutionManipulator>(
|
---|
| 88 | ga, 100, 1, 1000, 0.05, 3);
|
---|
| 89 |
|
---|
| 90 | var xOver = (MultiVRPSolutionCrossover)ga.Crossover;
|
---|
| 91 | foreach (var op in xOver.Operators) {
|
---|
| 92 | xOver.Operators.SetItemCheckedState(op, false);
|
---|
| 93 | }
|
---|
| 94 | xOver.Operators.SetItemCheckedState(xOver.Operators
|
---|
| 95 | .OfType<PotvinRouteBasedCrossover>()
|
---|
| 96 | .Single(), true);
|
---|
| 97 | xOver.Operators.SetItemCheckedState(xOver.Operators
|
---|
| 98 | .OfType<PotvinSequenceBasedCrossover>()
|
---|
| 99 | .Single(), true);
|
---|
| 100 |
|
---|
| 101 | var manipulator = (MultiVRPSolutionManipulator)ga.Mutator;
|
---|
| 102 | foreach (var op in manipulator.Operators) {
|
---|
| 103 | manipulator.Operators.SetItemCheckedState(op, false);
|
---|
| 104 | }
|
---|
| 105 | manipulator.Operators.SetItemCheckedState(manipulator.Operators
|
---|
| 106 | .OfType<PotvinOneLevelExchangeMainpulator>()
|
---|
| 107 | .Single(), true);
|
---|
| 108 | manipulator.Operators.SetItemCheckedState(manipulator.Operators
|
---|
| 109 | .OfType<PotvinTwoLevelExchangeManipulator>()
|
---|
| 110 | .Single(), true);
|
---|
| 111 | #endregion
|
---|
[11514] | 112 |
|
---|
[11450] | 113 | return ga;
|
---|
| 114 | }
|
---|
| 115 | }
|
---|
| 116 | }
|
---|