Switch to TOML for config file, fix bugs.

tests/test_main.py

@@ -3,6 +3,7 @@ import unittest
 import pytest
 import aiohttp
 import json
+import toml
 import openai
 import logging
 from unittest.mock import Mock, PropertyMock, MagicMock, AsyncMock, patch, mock_open, ANY
@@ -18,7 +19,7 @@ class TestBotBase(unittest.IsolatedAsyncioTestCase):
             Mock(text="Nice day today!")
         ]
         self.config_data = {
-            "openai_token": os.environ['OPENAI_TOKEN'],
+            "openai-token": os.environ['OPENAI_TOKEN'],
             "model": "gpt-4",
             "max_tokens": 1024,
             "temperature": 0.9,
@@ -55,7 +56,7 @@ class TestBotBase(unittest.IsolatedAsyncioTestCase):
 class TestFunctionality(TestBotBase):
 
     def test_load_config(self) -> None:
-        with patch('builtins.open', mock_open(read_data=json.dumps(self.config_data))):
+        with patch('builtins.open', mock_open(read_data=toml.dumps(self.config_data))):
             result = FjerkroaBot.load_config('config.json')
         self.assertEqual(result, self.config_data)