Create unit tests for the app.py script using pytest, we need to focus on testing different functionalities like the session states, file upload, PDF loading, text splitting, vector store creation, and the QA chain. Since the script uses external libraries like LangChain and Streamlit, we'll mock the dependencies for proper testing.
Create unit tests for the app.py script using pytest, we need to focus on testing different functionalities like the session states, file upload, PDF loading, text splitting, vector store creation, and the QA chain. Since the script uses external libraries like LangChain and Streamlit, we'll mock the dependencies for proper testing.