xenadmin/XenAdminTests/PluginTests/TestPluginLoader.cs

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using System;
using System.IO;
using NUnit.Framework;
using XenAdmin.Plugins;


namespace XenAdminTests.PluginTests
{
    public abstract class TestPluginLoader
    {
        protected string _allPluginsFolder;
        protected PluginManager _pluginManager;

        protected abstract string pluginName { get; }

        [TearDown]
        public void TearDown()
        {
            _pluginManager.Dispose();

            try
            {
                Directory.Delete(_allPluginsFolder, true);
            }
            catch
            {
                //ignore
            }
        }

        [SetUp]
        public virtual void Setup()
        {
            Assert.That(pluginName, Is.Not.Null.And.Not.Empty, "Either set pluginName or override this Setup");

           _pluginManager = new PluginManager();

            _allPluginsFolder = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
            var pluginFolder = Path.Combine(_allPluginsFolder, "plugin-vendor", pluginName);
            var pluginFile = Path.Combine(pluginFolder, $"{pluginName}.xcplugin.xml");

            Directory.CreateDirectory(pluginFolder);

            var pluginSource = TestUtils.GetTestResource($"PluginResources\\{pluginName}.xcplugin.xml");

            using (var fs = new FileStream(pluginSource, FileMode.Open))
            using (var sr = new StreamReader(fs))
            {
                var content = sr.ReadToEnd();
                File.WriteAllText(pluginFile, content);
            }

            _pluginManager.LoadPlugins(_allPluginsFolder);
        }
    }
}