#region License Information
/* HeuristicLab
* Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using HeuristicLab.PluginInfrastructure;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace HeuristicLab_33.Tests {
[TestClass]
public class PluginDependenciesTest {
private static Dictionary loadedPlugins;
private static Dictionary pluginNames;
// Use ClassInitialize to run code before running the first test in the class
[ClassInitialize]
public static void MyClassInitialize(TestContext testContext) {
loadedPlugins = PluginLoader.pluginAssemblies.ToDictionary(a => a, GetPluginFromAssembly);
pluginNames = loadedPlugins.ToDictionary(a => a.Key.GetName().FullName,
a => GetPluginName(a.Value));
}
[TestMethod]
public void CheckReferenceAssembliesForPluginDependencies() {
StringBuilder errorMessage = new StringBuilder();
foreach (Assembly pluginAssembly in loadedPlugins.Keys) {
Type plugin = loadedPlugins[pluginAssembly];
Dictionary pluginDependencies =
Attribute.GetCustomAttributes(plugin, false).OfType().ToDictionary(a => a.Dependency);
foreach (AssemblyName referencedPluginName in pluginAssembly.GetReferencedAssemblies())
if (pluginNames.ContainsKey(referencedPluginName.FullName)) { //check if reference assembly is a plugin
if (!pluginDependencies.ContainsKey(pluginNames[referencedPluginName.FullName]))
errorMessage.AppendLine("Missing dependency in plugin " + plugin + " to referenced plugin " + pluginNames[referencedPluginName.FullName] + ".");
}
}
Assert.IsTrue(errorMessage.Length == 0, errorMessage.ToString());
}
[TestMethod]
public void CheckPluginDependenciesForReferencedAssemblies() {
StringBuilder errorMessage = new StringBuilder();
foreach (Assembly pluginAssembly in loadedPlugins.Keys) {
Type plugin = loadedPlugins[pluginAssembly];
Dictionary pluginDependencies =
Attribute.GetCustomAttributes(plugin, false).OfType().ToDictionary(a => a, a => a.Dependency);
foreach (PluginDependencyAttribute attribute in pluginDependencies.Keys) {
string pluginDependencyName = pluginDependencies[attribute];
if (pluginAssembly.GetReferencedAssemblies()
.All(a => pluginNames.ContainsKey(a.FullName) && pluginNames[a.FullName] != pluginDependencyName)) {
errorMessage.AppendLine("Unnecessary plugin dependency in " + GetPluginName(plugin) + " to " + pluginDependencyName + ".");
}
}
}
Assert.IsTrue(errorMessage.Length == 0, errorMessage.ToString());
}
private static Type GetPluginFromAssembly(Assembly assembly) {
return assembly.GetExportedTypes().Where(t => typeof(IPlugin).IsAssignableFrom(t) && !t.IsAbstract && !t.IsInterface).FirstOrDefault();
}
private static string GetPluginName(Type plugin) {
string name = string.Empty;
PluginAttribute pluginAttribute = (PluginAttribute)Attribute.GetCustomAttribute(plugin, typeof(PluginAttribute));
if (pluginAttribute != null)
name = pluginAttribute.Name;
return name;
}
}
}