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source: branches/HiveStatistics/sources/HeuristicLab.Tests/HeuristicLab-3.3/PluginDependenciesTest.cs @ 12614

Last change on this file since 12614 was 12522, checked in by dglaser, 9 years ago

#2388: Merged trunk into HiveStatistics branch

File size: 7.6 KB
RevLine 
[4490]1#region License Information
2/* HeuristicLab
[12012]3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[4490]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;
[7947]24using System.IO;
[4490]25using System.Linq;
26using System.Reflection;
27using System.Text;
28using HeuristicLab.PluginInfrastructure;
29using Microsoft.VisualStudio.TestTools.UnitTesting;
30
[9764]31namespace HeuristicLab.Tests {
[4490]32  [TestClass]
33  public class PluginDependenciesTest {
34    private static Dictionary<Assembly, Type> loadedPlugins;
35    private static Dictionary<string, string> pluginNames;
[7947]36    private static Dictionary<string, Assembly> pluginFilesToPluginLookup = new Dictionary<string, Assembly>();
[4490]37
38    // Use ClassInitialize to run code before running the first test in the class
39    [ClassInitialize]
40    public static void MyClassInitialize(TestContext testContext) {
[7947]41      loadedPlugins = PluginLoader.Assemblies.Where(PluginLoader.IsPluginAssembly).ToDictionary(a => a, GetPluginFromAssembly);
[4632]42      pluginNames = loadedPlugins.ToDictionary(a => a.Key.GetName().FullName, a => GetPluginName(a.Value));
43
[7947]44      foreach (Assembly pluginAssembly in loadedPlugins.Keys) {
45        Type pluginType = GetPluginFromAssembly(pluginAssembly);
46        var pluginFileAttributes = Attribute.GetCustomAttributes(pluginType, false).OfType<PluginFileAttribute>();
47        foreach (var pluginFileAttribute in pluginFileAttributes) {
48          string fillNameWithoutExtension = Path.GetFileNameWithoutExtension(pluginFileAttribute.FileName);
49          pluginFilesToPluginLookup.Add(fillNameWithoutExtension, pluginAssembly);
50        }
51      }
[4490]52    }
53
54    [TestMethod]
[9783]55    [TestCategory("General")]
56    [TestCategory("Essential")]
57    [TestProperty("Time", "short")]
[4490]58    public void CheckReferenceAssembliesForPluginDependencies() {
59      StringBuilder errorMessage = new StringBuilder();
60      foreach (Assembly pluginAssembly in loadedPlugins.Keys) {
61        Type plugin = loadedPlugins[pluginAssembly];
[12522]62        var pluginFiles = new HashSet<string>(Attribute.GetCustomAttributes(plugin, false)
63            .OfType<PluginFileAttribute>().Where(pf => pf.FileType == PluginFileType.Assembly).Select(pf => pf.FileName));
64        var pluginAssemblies = PluginLoader.Assemblies.Where(a => pluginFiles.Contains(Path.GetFileName(a.Location))).ToList();
65        var referencedAssemblies = pluginAssemblies.SelectMany(a => a.GetReferencedAssemblies()).ToList();
66
[7947]67        Dictionary<string, PluginDependencyAttribute> pluginDependencies = Attribute.GetCustomAttributes(plugin, false).OfType<PluginDependencyAttribute>().ToDictionary(a => a.Dependency);
68
[12522]69        foreach (AssemblyName referencedAssemblyName in referencedAssemblies) {
[7947]70          if (IsPluginAssemblyName(referencedAssemblyName)) {
71            if (!pluginDependencies.ContainsKey(pluginNames[referencedAssemblyName.FullName]))
72              errorMessage.AppendLine("Missing dependency in plugin " + plugin + " to referenced plugin " + pluginNames[referencedAssemblyName.FullName] + ".");
73          } else { //no plugin assembly => test if the assembly is delivered by another plugin
74            if (pluginFilesToPluginLookup.ContainsKey(referencedAssemblyName.Name)) {
75              string containingPluginFullName = pluginFilesToPluginLookup[referencedAssemblyName.Name].FullName;
76              if (containingPluginFullName != pluginAssembly.FullName && !pluginDependencies.ContainsKey(pluginNames[containingPluginFullName]))
77                errorMessage.AppendLine("Missing dependency in plugin " + plugin + " to plugin " + pluginNames[containingPluginFullName] + " due to a reference to " + referencedAssemblyName.FullName + ".");
78            }
[4490]79          }
[7947]80        }
[4490]81      }
82      Assert.IsTrue(errorMessage.Length == 0, errorMessage.ToString());
83    }
84
85    [TestMethod]
[9783]86    [TestCategory("General")]
87    [TestCategory("Essential")]
88    [TestProperty("Time", "short")]
[4490]89    public void CheckPluginDependenciesForReferencedAssemblies() {
90      StringBuilder errorMessage = new StringBuilder();
91      foreach (Assembly pluginAssembly in loadedPlugins.Keys) {
92        Type plugin = loadedPlugins[pluginAssembly];
[7947]93        Dictionary<PluginDependencyAttribute, string> pluginDependencies = Attribute.GetCustomAttributes(plugin, false).OfType<PluginDependencyAttribute>().ToDictionary(a => a, a => a.Dependency);
[12522]94        var pluginFiles = new HashSet<string>(Attribute.GetCustomAttributes(plugin, false)
95          .OfType<PluginFileAttribute>().Where(pf => pf.FileType == PluginFileType.Assembly).Select(pf => pf.FileName));
96        var pluginAssemblies = PluginLoader.Assemblies.Where(a => pluginFiles.Contains(Path.GetFileName(a.Location))).ToList();
97        var referencedAssemblies = pluginAssemblies.SelectMany(a => a.GetReferencedAssemblies()).ToList();
[4490]98
99        foreach (PluginDependencyAttribute attribute in pluginDependencies.Keys) {
100          string pluginDependencyName = pluginDependencies[attribute];
[7948]101
102          if (pluginDependencyName == "HeuristicLab.MathJax") continue; //is never referenced as this plugin contains HTML files
[11127]103          if (pluginDependencyName == "HeuristicLab.MatlabConnector") continue; //the matlab connector is loaded dynamically and hence not referenced by the dll
[12522]104          var referencedPluginAssemblies = referencedAssemblies.Where(IsPluginAssemblyName);
[7947]105          if (referencedPluginAssemblies.Any(a => pluginNames[a.FullName] == pluginDependencyName)) continue;
106
[12522]107          var referencedNonPluginAssemblies = referencedAssemblies.Where(a => !IsPluginAssemblyName(a));
[8164]108          bool found = (from referencedNonPluginAssembly in referencedNonPluginAssemblies
109                        select referencedNonPluginAssembly.Name into assemblyName
[7947]110                        where pluginFilesToPluginLookup.ContainsKey(assemblyName)
111                        select GetPluginFromAssembly(pluginFilesToPluginLookup[assemblyName]) into pluginType
112                        select GetPluginName(pluginType)).Any(pluginName => pluginName == pluginDependencyName);
113
114          if (!found) errorMessage.AppendLine("Unnecessary plugin dependency in " + GetPluginName(plugin) + " to " + pluginDependencyName + ".");
[4490]115        }
116      }
117      Assert.IsTrue(errorMessage.Length == 0, errorMessage.ToString());
118    }
119
120    private static Type GetPluginFromAssembly(Assembly assembly) {
[9783]121      return assembly.GetExportedTypes().FirstOrDefault(t => typeof(IPlugin).IsAssignableFrom(t) && !t.IsAbstract && !t.IsInterface);
[4490]122    }
[7947]123
[4490]124    private static string GetPluginName(Type plugin) {
125      string name = string.Empty;
126      PluginAttribute pluginAttribute = (PluginAttribute)Attribute.GetCustomAttribute(plugin, typeof(PluginAttribute));
127      if (pluginAttribute != null)
128        name = pluginAttribute.Name;
129      return name;
130    }
[7947]131
132    private static bool IsPluginAssemblyName(AssemblyName assemblyName) {
133      return pluginNames.ContainsKey(assemblyName.FullName);
134    }
[4490]135  }
136}
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