Improve config validation and fix tests

src/primaite/game/io.py

@@ -2,7 +2,7 @@ from datetime import datetime
 from pathlib import Path
 from typing import Optional
 
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 from primaite import PRIMAITE_PATHS
 
@@ -10,6 +10,8 @@ from primaite import PRIMAITE_PATHS
 class SessionIOSettings(BaseModel):
     """Schema for session IO settings."""
 
+    model_config = ConfigDict(extra="forbid")
+
     save_final_model: bool = True
     """Whether to save the final model right at the end of training."""
     save_checkpoints: bool = False
@@ -34,6 +36,8 @@ class SessionIO:
     def __init__(self, settings: SessionIOSettings = SessionIOSettings()) -> None:
         self.settings: SessionIOSettings = settings
         self.session_path: Path = self.generate_session_path()
+        # warning TODO: must be careful not to re-initialise sessionIO because it will create a new path each time it's
+        # possible refactor needed
 
     def generate_session_path(self, timestamp: Optional[datetime] = None) -> Path:
         """Create a folder for the session and return the path to it."""

src/primaite/game/session.py

@@ -7,7 +7,7 @@ from typing import Any, Dict, List, Literal, Optional, SupportsFloat, Tuple
 import enlighten
 import gymnasium
 from gymnasium.core import ActType, ObsType
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 from primaite import getLogger
 from primaite.game.agent.actions import ActionManager
@@ -104,6 +104,8 @@ class PrimaiteSessionOptions(BaseModel):
     Currently this is used to restrict which ports and protocols exist in the world of the simulation.
     """
 
+    model_config = ConfigDict(extra="forbid")
+
     ports: List[str]
     protocols: List[str]
 
@@ -111,6 +113,8 @@ class PrimaiteSessionOptions(BaseModel):
 class TrainingOptions(BaseModel):
     """Options for training the RL agent."""
 
+    model_config = ConfigDict(extra="forbid")
+
     rl_framework: Literal["SB3", "RLLIB"]
     rl_algorithm: Literal["PPO", "A2C"]
     n_learn_episodes: int
@@ -522,6 +526,6 @@ class PrimaiteSession:
 
         # READ IO SETTINGS
         io_settings = cfg.get("io_settings", {})
-        sess.io_manager = SessionIO(settings=SessionIOSettings(**io_settings))
+        sess.io_manager.settings = SessionIOSettings(**io_settings)
 
         return sess