落地无头规则引擎与局内内容，便于命令行复现对战。

规则、卡包与测试放在同一套核心里，避免表现层自行结算。 Co-authored-by: Cursor <cursoragent@cursor.com>
2026-10-09 02:06:23 +08:00
parent ce2b61fc6a
commit ae13f1d06a
51 changed files with 3429 additions and 0 deletions
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+using CardGame.Core;
+using Xunit;
+
+namespace Game.Core.Tests;
+
+public sealed class AiSearchTests
+{
+    [Fact]
+    public void Prefers_face_damage_when_lethal_or_high_value()
+    {
+        var state = new GameState(9) { Catalog = Cards.Catalog };
+        MatchSetup.PlaceSystemField(state, 0, Cards.BaseField);
+        MatchSetup.PlaceSystemField(state, 1, Cards.BaseField);
+        state.Players[1].Life = 1;
+        var attacker = state.NewEntity(Cards.Wisp, 0, Zone.Board, Factions.Guard);
+        attacker.EnteredOnTurn = 0;
+        attacker.AttacksRemaining = 1;
+        state.Board.Add(attacker);
+        state.ActivePlayerIndex = 0;
+        state.TurnNumber = 2;
+
+        var legal = RulesEngine.GetLegalActions(state);
+        var (action, top) = TurnBeamSearch.ChooseWithTrace(state, legal);
+        Assert.IsType<AttackAction>(action);
+        Assert.Contains(top, t => t.Chosen && t.Label.Contains("敌方主战者", StringComparison.Ordinal));
+    }
+
+    [Fact]
+    public void PlayUntil_returns_step_trace()
+    {
+        var state = MatchSetup.CreateStartingBattle(11, Cards.Catalog, shuffle: false);
+        state = RulesEngine.Execute(state, new EndTurnAction(0));
+        var (_, trace) = TurnBeamSearch.PlayUntil(state, untilPlayerIndex: 0);
+        Assert.NotEmpty(trace.Steps);
+        Assert.All(trace.Steps, s => Assert.NotEmpty(s.TopCandidates));
+    }
+
+    [Fact]
+    public void ChooseWithTrace_works_when_all_scores_are_negative()
+    {
+        var state = MatchSetup.CreateStartingBattle(13, Cards.Catalog, shuffle: false);
+        state.Players[0].Life = 1;
+        state.Players[1].Life = 20;
+        var legal = RulesEngine.GetLegalActions(state);
+        var (action, top) = TurnBeamSearch.ChooseWithTrace(state, legal);
+        Assert.NotNull(action);
+        Assert.Contains(top, t => t.Chosen);
+    }
+}