Getting started

tests/test_message_handler.py

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+import time
+import unittest
+
+from unittest.mock import MagicMock, call
+
+from message_handler.message_handler import MessageHandler, IndexingMessageHandler
+from services.ai_services import AIService, AIServiceConfig
+from storage.search import SearchIndexer
+
+
+class TestMessageHandler(unittest.TestCase):
+    def test_simple_intro(self):
+        message_handler = MessageHandler("Hello world")
+        self.assertEqual(
+            message_handler.get_llm_messages(),
+            [{"role": "system", "content": "Hello world"}],
+        )
+
+    def test_simple_user_message(self):
+        message_handler = MessageHandler("System prompt")
+        message_handler.add_user_message("User message")
+        self.assertEqual(
+            message_handler.get_llm_messages(),
+            [
+                {"role": "system", "content": "System prompt"},
+                {"role": "user", "content": "User message"},
+            ],
+        )
+
+    def test_simple_user_and_assistant_message(self):
+        message_handler = MessageHandler("System prompt")
+        message_handler.add_user_message("User message")
+        message_handler.add_assistant_message("Assistant message")
+        self.assertEqual(
+            message_handler.get_llm_messages(),
+            [
+                {"role": "system", "content": "System prompt"},
+                {"role": "user", "content": "User message"},
+                {"role": "assistant", "content": "Assistant message"},
+            ],
+        )
+
+    def test_user_message_overwrite(self):
+        message_handler = MessageHandler("System prompt")
+        message_handler.add_user_message("User message")
+        message_handler.add_assistant_message("Assistant message")
+        message_handler.add_user_message("User message plus something else")
+        self.assertEqual(
+            message_handler.get_llm_messages(),
+            [
+                {"role": "system", "content": "System prompt"},
+                {"role": "user", "content": "User message plus something else"},
+            ],
+        )
+
+    def test_user_message_after_assistant(self):
+        message_handler = MessageHandler("System prompt")
+        message_handler.add_user_message("User message")
+        message_handler.add_assistant_message("Assistant message")
+        message_handler.add_user_message("other user message")
+        self.assertEqual(
+            message_handler.get_llm_messages(),
+            [
+                {"role": "system", "content": "System prompt"},
+                {"role": "user", "content": "User message"},
+                {"role": "assistant", "content": "Assistant message"},
+                {"role": "user", "content": "other user message"},
+            ],
+        )
+
+
+class MockAIService(AIService):
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+
+    def run_llm(self, messages, latest_user_message=None, stream=True):
+        return {"choices": [{"message": {"content": "Parsed user message."}}]}
+
+
+class TestIndexingMessageHandler(unittest.TestCase):
+    def test_user_message_finalized(self):
+        mock_ai_service = MockAIService()
+        service_config = AIServiceConfig(
+            mock_ai_service, mock_ai_service, mock_ai_service
+        )
+
+        mock_indexer = MagicMock(spec=SearchIndexer)
+
+        message_handler = IndexingMessageHandler(
+            "Hello world", "story_id", service_config, mock_indexer
+        )
+        message_handler.add_user_message("User message")
+        message_handler.add_assistant_message("Assistant message will be ignored")
+        message_handler.add_user_message("User message plus something else")
+        message_handler.finalize_user_message()
+        message_handler.add_assistant_message(
+            "New assistant message will not be ignored"
+        )
+        message_handler.add_user_message("User message second time")
+        message_handler.add_assistant_message("Assistant message second time")
+        message_handler.write_messages_to_index()
+
+        time.sleep(0.5)
+
+        self.assertEqual(
+            mock_indexer.mock_calls,
+            [
+                call.index_text("Parsed user message."),
+                call.index_text("New assistant message will not be ignored"),
+            ],
+        )
+
+        mock_indexer.reset_mock()
+
+        message_handler.finalize_user_message()
+
+        time.sleep(0.5)
+
+        self.assertEqual(
+            mock_indexer.mock_calls,
+            [
+                call.index_text("Parsed user message."),
+                call.index_text("Assistant message second time"),
+            ],
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()