fix: game service api block when a game is running

tests/test_service.py

@@ -1,8 +1,26 @@
 import unittest
+from threading import Event, Thread
 
+from texas_holdem.agents import PokerAgent
+from texas_holdem.models import Observation, PlayerAction
 from texas_holdem.service import GameManager
 
 
+class BlockingAgent(PokerAgent):
+    def __init__(self, entered: Event, release: Event) -> None:
+        self.entered = entered
+        self.release = release
+
+    def decide(self, observation: Observation) -> PlayerAction:
+        self.entered.set()
+        if not self.release.wait(timeout=5):
+            raise RuntimeError("test timed out waiting to release blocking agent")
+        for action in observation.legal_actions:
+            if action["action"] == "check":
+                return PlayerAction("check")
+        return PlayerAction("call")
+
+
 class ServiceTests(unittest.TestCase):
     def test_create_and_run_game(self) -> None:
         manager = GameManager()
@@ -23,7 +41,62 @@ class ServiceTests(unittest.TestCase):
         hands = manager.run_hands(game.game_id, count=1)
 
         self.assertEqual(len(hands), 1)
-        self.assertEqual(manager.get_game("demo").to_dict()["hand_number"], 1)
+        self.assertEqual(manager.get_game_state("demo")["hand_number"], 1)
+
+    def test_get_game_state_does_not_block_during_run(self) -> None:
+        manager = GameManager()
+        entered = Event()
+        release = Event()
+        game = manager.create_game(
+            {
+                "game_id": "blocking",
+                "seed": 13,
+                "starting_stack": 200,
+                "small_blind": 5,
+                "big_blind": 10,
+                "players": [
+                    {"id": "a", "type": "calling"},
+                    {"id": "b", "type": "calling"},
+                ],
+            }
+        )
+        manager.run_hands("blocking", count=1)
+        game.agents["a"] = BlockingAgent(entered, release)
+
+        thread = Thread(target=lambda: manager.run_hands("blocking", count=1))
+        thread.start()
+        self.assertTrue(entered.wait(timeout=2))
+
+        state = manager.get_game_state("blocking")
+
+        release.set()
+        thread.join(timeout=2)
+        self.assertFalse(thread.is_alive())
+        self.assertEqual(state["hand_number"], 1)
+        self.assertEqual(len(state["hands"]), 1)
+
+    def test_duplicate_http_agent_endpoint_is_rejected_across_active_games(self) -> None:
+        manager = GameManager()
+        payload = {
+            "starting_stack": 200,
+            "small_blind": 5,
+            "big_blind": 10,
+            "players": [
+                {
+                    "id": "ai",
+                    "agent": {
+                        "type": "http",
+                        "endpoint": "http://127.0.0.1:9101/act",
+                    },
+                },
+                {"id": "b", "type": "calling"},
+            ],
+        }
+
+        manager.create_game({"game_id": "g1", **payload})
+
+        with self.assertRaisesRegex(ValueError, "already belongs to game g1"):
+            manager.create_game({"game_id": "g2", **payload})
 
 
 if __name__ == "__main__":