[Test] public void PluginLifecycle()
{
using (MockPluginLoader pluginLoader = new MockPluginLoader())
{
// Set up some mock data for available assemblies
pluginLoader.AddBaseDir("MockDir");
pluginLoader.AddPlugin(new MockAssembly("MockDir/MockPluginA.dll", typeof(MockPlugin)));
pluginLoader.AddPlugin(new MockAssembly("MockDir/MockPluginB.dll", typeof(MockPlugin)));
pluginLoader.AddPlugin(new MockAssembly("MockDir/MockPluginC.dll", typeof(MockPlugin)));
// Set up a plugin manager using the mock loader
MockPluginManager pluginManager = new MockPluginManager();
pluginManager.Init(pluginLoader);
// Register event handler to check if all events are fired as expected
HashSet <MockPlugin> firedPluginReady = new HashSet <MockPlugin>();
HashSet <MockPlugin> firedPluginRemoving = new HashSet <MockPlugin>();
HashSet <MockPlugin> firedPluginRemoved = new HashSet <MockPlugin>();
pluginManager.PluginsReady += (sender, args) =>
{
foreach (MockPlugin plugin in args.Plugins)
{
firedPluginReady.Add(plugin);
}
};
pluginManager.PluginsRemoving += (sender, args) =>
{
foreach (MockPlugin plugin in args.Plugins)
{
firedPluginRemoving.Add(plugin);
}
};
pluginManager.PluginsRemoved += (sender, args) =>
{
foreach (MockPlugin plugin in args.Plugins)
{
firedPluginRemoved.Add(plugin);
}
};
// Load all plugins and expect them to be not initialized yet
pluginManager.LoadPlugins();
MockPlugin[] loadedPlugins = pluginManager.LoadedPlugins
.Cast <MockPlugin>()
.ToArray();
Assert.IsTrue(loadedPlugins.All(plugin => !plugin.Initialized));
Assert.IsTrue(loadedPlugins.All(plugin => !plugin.Disposed));
// Initialize plugins and expect them all to be initialized
pluginManager.InitPlugins();
Assert.IsTrue(loadedPlugins.All(plugin => plugin.Initialized));
Assert.IsTrue(loadedPlugins.All(plugin => !plugin.Disposed));
CollectionAssert.AreEquivalent(loadedPlugins, firedPluginReady);
// Discard all plugins and expect them to be disposed
pluginManager.ClearPlugins();
Assert.IsTrue(loadedPlugins.All(plugin => plugin.Initialized));
Assert.IsTrue(loadedPlugins.All(plugin => plugin.Disposed));
CollectionAssert.AreEquivalent(loadedPlugins, firedPluginRemoving);
CollectionAssert.AreEquivalent(loadedPlugins, firedPluginRemoved);
pluginManager.Terminate();
}
}