131 lines
4.8 KiB
C#
131 lines
4.8 KiB
C#
using System.Net;
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using System.Reflection;
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using AcDream.Core.Chat;
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using AcDream.Core.Combat;
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using AcDream.Core.Items;
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using AcDream.Core.Net.Messages;
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using AcDream.Core.Player;
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using AcDream.Core.Spells;
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namespace AcDream.Core.Net.Tests;
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public sealed class WorldSessionWiringOwnershipTests
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{
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[Fact]
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public void ObjectTableWiring_DisposeDetachesEveryExactSessionDelegate()
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{
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using var session = NewSession();
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var table = new ClientObjectTable();
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var player = new LocalPlayerState();
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IDisposable registration = ObjectTableWiring.Wire(
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session,
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table,
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playerGuid: () => 0x50000001u,
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localPlayer: player);
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Assert.Equal(1, HandlerCount(session, nameof(session.ObjectIntPropertyUpdated)));
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Assert.Equal(1, HandlerCount(session, nameof(session.PlayerIntPropertyUpdated)));
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Assert.Equal(1, HandlerCount(session, nameof(session.PlayerInt64PropertyUpdated)));
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Assert.Equal(1, HandlerCount(session, nameof(session.StackSizeUpdated)));
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Assert.Equal(1, HandlerCount(session, nameof(session.InventoryObjectRemoved)));
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registration.Dispose();
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registration.Dispose();
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Assert.Equal(0, HandlerCount(session, nameof(session.ObjectIntPropertyUpdated)));
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Assert.Equal(0, HandlerCount(session, nameof(session.PlayerIntPropertyUpdated)));
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Assert.Equal(0, HandlerCount(session, nameof(session.PlayerInt64PropertyUpdated)));
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Assert.Equal(0, HandlerCount(session, nameof(session.StackSizeUpdated)));
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Assert.Equal(0, HandlerCount(session, nameof(session.InventoryObjectRemoved)));
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}
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[Fact]
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public void CombatStateWiring_DisposeDetachesOnlyItsExactDelegate()
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{
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using var session = NewSession();
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var combat = new CombatState();
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Action<WorldSession.PlayerIntPropertyUpdate> predecessor = _ => { };
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session.PlayerIntPropertyUpdated += predecessor;
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IDisposable registration = CombatStateWiring.Wire(session, combat);
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Assert.Equal(2, HandlerCount(session, nameof(session.PlayerIntPropertyUpdated)));
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registration.Dispose();
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registration.Dispose();
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Assert.Equal(1, HandlerCount(session, nameof(session.PlayerIntPropertyUpdated)));
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session.PlayerIntPropertyUpdated -= predecessor;
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}
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[Fact]
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public void CombatStateWiring_ConcurrentDisposeDetachesExactlyOnce()
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{
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using var session = NewSession();
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IDisposable registration = CombatStateWiring.Wire(session, new CombatState());
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Parallel.For(0, 64, _ => registration.Dispose());
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Assert.Equal(0, HandlerCount(session, nameof(session.PlayerIntPropertyUpdated)));
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}
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[Fact]
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public void GameEventWiring_DisposeRestoresPreexistingHandlerAndRemovesOwnedSet()
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{
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var dispatcher = new GameEventDispatcher();
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int predecessorCalls = 0;
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dispatcher.Register(GameEventType.Tell, _ => predecessorCalls++);
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IDisposable registration = GameEventWiring.WireAll(
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dispatcher,
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new ClientObjectTable(),
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new CombatState(),
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new Spellbook(),
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new ChatLog());
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int wiredCount = dispatcher.RegisteredHandlerCount;
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dispatcher.Dispatch(new GameEventEnvelope(0, 0, GameEventType.Tell, default));
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Assert.Equal(0, predecessorCalls);
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registration.Dispose();
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registration.Dispose();
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dispatcher.Dispatch(new GameEventEnvelope(0, 0, GameEventType.Tell, default));
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Assert.True(wiredCount > 1);
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Assert.Equal(1, dispatcher.RegisteredHandlerCount);
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Assert.Equal(1, predecessorCalls);
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}
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[Fact]
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public void GameEventWiring_OnWorldSession_RestoresInternalRegistrations()
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{
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using var session = NewSession();
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int baselineCount = session.GameEvents.RegisteredHandlerCount;
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IDisposable registration = GameEventWiring.WireAll(
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session.GameEvents,
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new ClientObjectTable(),
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new CombatState(),
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new Spellbook(),
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new ChatLog(),
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turbineChat: new TurbineChatState());
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Assert.True(session.GameEvents.RegisteredHandlerCount > baselineCount);
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registration.Dispose();
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Assert.Equal(baselineCount, session.GameEvents.RegisteredHandlerCount);
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}
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private static WorldSession NewSession() =>
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new(new IPEndPoint(IPAddress.Loopback, 9));
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private static int HandlerCount(WorldSession session, string eventName)
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{
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FieldInfo field = typeof(WorldSession).GetField(
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eventName,
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BindingFlags.Instance | BindingFlags.NonPublic)
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?? throw new InvalidOperationException($"event field {eventName} not found");
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return (field.GetValue(session) as MulticastDelegate)?
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.GetInvocationList()
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.Length ?? 0;
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}
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}
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