cmm: splitted commands into separate modules (and more cleanup)

tests/test_ai_factory.py

@@ -0,0 +1,48 @@
+import argparse
+import unittest
+from unittest.mock import MagicMock
+from chatmastermind.ai_factory import create_ai
+from chatmastermind.configuration import Config
+from chatmastermind.ai import AIError
+from chatmastermind.ais.openai import OpenAI
+
+
+class TestCreateAI(unittest.TestCase):
+    def setUp(self) -> None:
+        self.args = MagicMock(spec=argparse.Namespace)
+        self.args.ai = 'default'
+        self.args.model = None
+        self.args.max_tokens = None
+        self.args.temperature = None
+
+    def test_create_ai_from_args(self) -> None:
+        # Create an AI with the default configuration
+        config = Config()
+        self.args.ai = 'default'
+        ai = create_ai(self.args, config)
+        self.assertIsInstance(ai, OpenAI)
+
+    def test_create_ai_from_default(self) -> None:
+        self.args.ai = None
+        # Create an AI with the default configuration
+        config = Config()
+        ai = create_ai(self.args, config)
+        self.assertIsInstance(ai, OpenAI)
+
+    def test_create_empty_ai_error(self) -> None:
+        self.args.ai = None
+        # Create Config with empty AIs
+        config = Config()
+        config.ais = {}
+        # Call create_ai function and assert that it raises AIError
+        with self.assertRaises(AIError):
+            create_ai(self.args, config)
+
+    def test_create_unsupported_ai_error(self) -> None:
+        # Mock argparse.Namespace with ai='invalid_ai'
+        self.args.ai = 'invalid_ai'
+        # Create default Config
+        config = Config()
+        # Call create_ai function and assert that it raises AIError
+        with self.assertRaises(AIError):
+            create_ai(self.args, config)