release orchestrator v1 draft and build fixes

src/Plugin/StellaOps.Plugin.Testing/PluginTestHost.cs

@@ -0,0 +1,85 @@
+namespace StellaOps.Plugin.Testing;
+
+using StellaOps.Plugin.Abstractions;
+using StellaOps.Plugin.Abstractions.Health;
+
+/// <summary>
+/// Test host for running plugins in isolation during testing.
+/// </summary>
+public sealed class PluginTestHost : IAsyncDisposable
+{
+    private readonly List<IPlugin> _plugins = new();
+
+    /// <summary>
+    /// Gets the test context for assertions.
+    /// </summary>
+    public TestPluginContext Context { get; }
+
+    /// <summary>
+    /// Creates a new plugin test host.
+    /// </summary>
+    /// <param name="configure">Optional configuration action.</param>
+    public PluginTestHost(Action<PluginTestHostOptions>? configure = null)
+    {
+        var options = new PluginTestHostOptions();
+        configure?.Invoke(options);
+
+        Context = new TestPluginContext(options);
+    }
+
+    /// <summary>
+    /// Load and initialize a plugin.
+    /// </summary>
+    /// <typeparam name="T">Plugin type.</typeparam>
+    /// <param name="ct">Cancellation token.</param>
+    /// <returns>Initialized plugin instance.</returns>
+    public async Task<T> LoadPluginAsync<T>(CancellationToken ct = default) where T : IPlugin, new()
+    {
+        var plugin = new T();
+        await plugin.InitializeAsync(Context, ct);
+        _plugins.Add(plugin);
+        return plugin;
+    }
+
+    /// <summary>
+    /// Load and initialize a plugin with custom configuration.
+    /// </summary>
+    /// <typeparam name="T">Plugin type.</typeparam>
+    /// <param name="configuration">Configuration values to set.</param>
+    /// <param name="ct">Cancellation token.</param>
+    /// <returns>Initialized plugin instance.</returns>
+    public async Task<T> LoadPluginAsync<T>(
+        Dictionary<string, object> configuration,
+        CancellationToken ct = default) where T : IPlugin, new()
+    {
+        foreach (var (key, value) in configuration)
+        {
+            Context.Configuration.SetValue(key, value);
+        }
+
+        return await LoadPluginAsync<T>(ct);
+    }
+
+    /// <summary>
+    /// Verify plugin health.
+    /// </summary>
+    /// <typeparam name="T">Plugin type.</typeparam>
+    /// <param name="plugin">Plugin to check.</param>
+    /// <param name="ct">Cancellation token.</param>
+    /// <returns>Health check result.</returns>
+    public async Task<HealthCheckResult> CheckHealthAsync<T>(T plugin, CancellationToken ct = default)
+        where T : IPlugin
+    {
+        return await plugin.HealthCheckAsync(ct);
+    }
+
+    /// <inheritdoc />
+    public async ValueTask DisposeAsync()
+    {
+        foreach (var plugin in _plugins)
+        {
+            await plugin.DisposeAsync();
+        }
+        _plugins.Clear();
+    }
+}