nbval

import pytest import json import os # 1. Create a dummy Jupyter notebook file for testing notebook_content = { "cells": [ { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [ {"name": "stdout", "output_type": "stream", "text": ["Hello from nbval!\n"]} ], "source": ["print('Hello from nbval!')"] } ], "metadata": { "kernelspec": {"display_name": "Python 3", "language": "python", "name": "python3"}, "language_info": {"codemirror_mode": {"name": "ipython", "version": 3}, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.9.7"} }, "nbformat": 4, "nbformat_minor": 5 } notebook_filename = "example.ipynb" with open(notebook_filename, "w") as f: json.dump(notebook_content, f, indent=4) print(f"Created {notebook_filename}. Running nbval tests...") # 2. Run pytest programmatically with nbval # The --nbval flag enables the plugin, and the notebook filename specifies the target. exit_code = pytest.main(["--nbval", notebook_filename]) # 3. Report results and clean up # os.remove(notebook_filename) # Uncomment to clean up the notebook file after run if exit_code == 0: print(f"\nnbval tests passed for {notebook_filename}!") else: print(f"\nnbval tests failed for {notebook_filename} with exit code {exit_code}.")