test(赛马插件): 添加模拟赛马测试命令

新增测试命令“测试模拟赛马”，用于验证赛马引擎的核心逻辑。该命令会：
- 自动创建包含8匹随机命名赛马的房间
- 运行赛马引擎直至比赛结束
- 验证进度渲染格式的正确性
- 输出比赛结果和进度片段

这有助于在开发过程中快速验证赛马功能的完整性和正确性。

danding_bot/plugins/group_horse_racing/test_commands.py

@@ -2,7 +2,10 @@ from nonebot import on_command
 from nonebot.adapters.onebot.v11 import Bot, Event, GroupMessageEvent, PrivateMessageEvent
 
 from . import plugin_config as config
-from .commands import get_scope, check_access, room_store, points_service
+from .commands import get_scope, check_access, room_store, points_service, race_engine
+from .models import Horse, HorseState, RoomState
+
+import random
 
 
 async def check_tester(event: Event) -> bool:
@@ -104,3 +107,102 @@ async def handle_test_force_start(bot: Bot, event: Event):
         return
 
     await test_force_start_cmd.finish("测试强制开赛命令")
+
+
+def _generate_random_horse_names(count: int) -> list[str]:
+    prefixes = ["赤焰", "踏雪", "追风", "流星", "疾电", "破晓", "青岚", "玄影", "星尘", "霜刃", "烈阳", "苍穹"]
+    cores = ["奔", "跃", "影", "翼", "刃", "雷", "岚", "焰", "星", "雪", "风", "光"]
+    suffixes = ["号", "骑", "王", "将", "卫", "客", "影", "者", "马", "军"]
+
+    names: set[str] = set()
+    attempts = 0
+    while len(names) < count and attempts < 500:
+        attempts += 1
+        name = f"{random.choice(prefixes)}{random.choice(cores)}{random.choice(suffixes)}"
+        if len(name) > 10:
+            name = name[:10]
+        names.add(name)
+
+    while len(names) < count:
+        names.add(f"测试马{len(names) + 1}")
+
+    return list(names)[:count]
+
+
+test_simulate_race_cmd = on_command("测试模拟赛马", priority=5)
+
+
+@test_simulate_race_cmd.handle()
+async def handle_test_simulate_race(bot: Bot, event: Event):
+    if not await check_tester(event):
+        await test_simulate_race_cmd.finish("权限不足")
+        return
+
+    scope = get_scope(event)
+    lock = room_store.get_lock(scope)
+
+    async with lock:
+        race_engine.stop_race(scope)
+        room_store.delete_room(scope)
+        room = room_store.create_room(scope)
+
+        horse_names = _generate_random_horse_names(8)
+        for idx, horse_name in enumerate(horse_names, start=1):
+            owner_id = f"sim_user_{idx}"
+            room.horses[horse_name] = Horse(owner_id=owner_id, name=horse_name, state=HorseState.RACING)
+
+        room.state = RoomState.RUNNING
+
+    progress_samples: list[str] = []
+    last_progress = ""
+    finished = []
+
+    for _ in range(1_000):
+        finished = race_engine.tick(room)
+        last_progress = race_engine.format_progress(room)
+        if len(progress_samples) < 3:
+            progress_samples.append(last_progress)
+        if finished:
+            break
+
+    if not finished:
+        race_engine.stop_race(scope)
+        room_store.delete_room(scope)
+        await test_simulate_race_cmd.finish("模拟失败：超过最大回合仍未结束")
+        return
+
+    champion = race_engine.determine_champion(finished)
+    room.champion_name = champion.name
+    room.state = RoomState.FINISHED
+
+    expected_lines = 1 + len(room.horses)
+    actual_lines = len(last_progress.splitlines())
+    if actual_lines != expected_lines:
+        race_engine.stop_race(scope)
+        room_store.delete_room(scope)
+        await test_simulate_race_cmd.finish(f"模拟失败：进度渲染行数不匹配（期望{expected_lines}，实际{actual_lines}）")
+        return
+
+    missing_names = [name for name in room.horses.keys() if name not in last_progress]
+    if missing_names:
+        race_engine.stop_race(scope)
+        room_store.delete_room(scope)
+        await test_simulate_race_cmd.finish(f"模拟失败：进度渲染缺少马名：{', '.join(missing_names)}")
+        return
+
+    race_engine.stop_race(scope)
+    room_store.delete_room(scope)
+
+    sample_block = "\n\n".join(progress_samples[-2:] + [last_progress] if len(progress_samples) >= 2 else [last_progress])
+    await test_simulate_race_cmd.finish(
+        "\n".join(
+            [
+                "模拟赛马完成",
+                f"参赛马匹：{', '.join(horse_names)}",
+                f"冠军：{room.champion_name}",
+                f"总回合：{room.tick_count}",
+                "进度片段：",
+                sample_block,
+            ]
+        )
+    )