acdream/tests/AcDream.Plugin.Tests.Fixtures.HostPlugin/HostPlugin.cs

70 lines
2.4 KiB
C#

using AcDream.Plugin.Abstractions;
namespace AcDream.Plugin.Tests.Fixtures.HostPlugin;
/// <summary>
/// Cross-host LA5 fixture. It deliberately takes the same path on graphical
/// and no-window hosts: observe the capability, register UI, and subscribe to
/// gameplay events. A headless registry must make the UI call harmless without
/// retaining this instance in the default load context.
/// </summary>
public sealed class HostPlugin : IAcDreamPlugin
{
private IPluginHost? _host;
private string? _assemblyDirectory;
private bool _throwAfterRegistration;
private int _entitiesSeen;
public void Initialize(IPluginHost host)
{
_host = host ?? throw new ArgumentNullException(nameof(host));
_assemblyDirectory = Path.GetDirectoryName(
typeof(HostPlugin).Assembly.Location);
_throwAfterRegistration = File.Exists(
Path.Combine(_assemblyDirectory!, "throw-after-register"));
host.Log.Info($"fixture-initialized:hasUi={host.HasUi}");
}
public void Enable()
{
IPluginHost host = _host
?? throw new InvalidOperationException("The fixture was not initialized.");
host.Ui.AddMarkupPanel(
Path.Combine(AppContext.BaseDirectory, "fixture-panel.xml"),
this);
host.Events.EntitySpawned += OnEntitySpawned;
if (_throwAfterRegistration)
{
throw new InvalidOperationException(
"fixture enable failed after registering UI and events");
}
host.Log.Info(
$"fixture-enabled:hasUi={host.HasUi}:entities={host.State.Entities.Count}");
}
public void Disable()
{
IPluginHost? host = _host;
if (host is null)
return;
if (_throwAfterRegistration)
{
throw new InvalidOperationException(
"fixture disable intentionally refuses cleanup");
}
host.Events.EntitySpawned -= OnEntitySpawned;
host.Log.Info($"fixture-disabled:entitiesSeen={_entitiesSeen}");
_host = null;
}
private void OnEntitySpawned(WorldEntitySnapshot snapshot)
{
_entitiesSeen++;
if (_throwAfterRegistration && _assemblyDirectory is not null)
{
File.AppendAllText(
Path.Combine(_assemblyDirectory, "unexpected-callback"),
$"{snapshot.Id}{Environment.NewLine}");
}
}
}