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source: branches/gteufl/HeuristicLab.Tests/HeuristicLab-3.3/PluginLoader.cs @ 11111

Last change on this file since 11111 was 9792, checked in by abeham, 11 years ago

#2088:

  • Removed bin folder as a DeploymentItem and added it as a path to search for assemblies
    • Start of unit tests is greatly sped up
  • Changed PluginLoader to use AppDomain.CurrentDomain.BaseDirectory as directory for loading plugins
  • Pruned references in .csproj and set CopyLocal to false for all referenced HL assemblies
File size: 2.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 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;
23using System.Collections.Generic;
24using System.IO;
25using System.Linq;
26using System.Reflection;
27using HeuristicLab.PluginInfrastructure;
28
29namespace HeuristicLab.Tests {
30  public static class PluginLoader {
31    public const string ExecutableExtension = ".exe";
32    public const string AssemblyExtension = ".dll";
33    public const string TestAccessorAssemblyExtension = "_Accessor.dll";
34    public const string TestAssemblyExtension = ".Tests.dll";
35    public static List<Assembly> Assemblies;
36
37    static PluginLoader() {
38      foreach (string path in Directory.EnumerateFiles(AppDomain.CurrentDomain.BaseDirectory).Where(IsRelevantAssemblyPath)) {
39        try {
40          Assembly.LoadFrom(path);
41        } catch (BadImageFormatException) { }
42      }
43      // test relevant path again to exclude previously loaded assemblies
44      Assemblies = AppDomain.CurrentDomain.GetAssemblies()
45        .Where(asm => IsRelevantAssemblyPath(asm.Location))
46        .ToList();
47    }
48
49    private static bool IsRelevantAssemblyPath(string path) {
50      bool valid = true;
51      valid = valid && path.EndsWith(ExecutableExtension, StringComparison.OrdinalIgnoreCase) || path.EndsWith(AssemblyExtension, StringComparison.OrdinalIgnoreCase);
52      valid = valid && !path.EndsWith(TestAccessorAssemblyExtension, StringComparison.OrdinalIgnoreCase) && !path.EndsWith(TestAssemblyExtension, StringComparison.OrdinalIgnoreCase);
53      return valid;
54    }
55
56    public static bool IsPluginAssembly(Assembly assembly) {
57      return assembly.GetExportedTypes().Any(t => typeof(IPlugin).IsAssignableFrom(t) && !t.IsAbstract && !t.IsInterface);
58    }
59  }
60}
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