from unittest.mock import patch

from llm_chat.chat import Chat


def test_send_message() -> None:
    with patch("llm_chat.chat.Chat._make_request") as mock_make_request:
        mock_make_request.return_value = {
            "choices": [{"message": {"content": "Hello!"}}]
        }
        conversation = Chat()
        response = conversation.send_message("Hello")
        assert isinstance(response, str)
        assert response == "Hello!"