| import os | |
| from pathlib import Path | |
| import subprocess | |
| from tempfile import TemporaryDirectory | |
| import pytest | |
| nbformat = pytest.importorskip('nbformat') | |
| pytest.importorskip('nbconvert') | |
| pytest.importorskip('ipykernel') | |
| # From https://blog.thedataincubator.com/2016/06/testing-jupyter-notebooks/ | |
| def test_ipynb(): | |
| nb_path = Path(__file__).parent / 'test_nbagg_01.ipynb' | |
| with TemporaryDirectory() as tmpdir: | |
| out_path = Path(tmpdir, "out.ipynb") | |
| subprocess.check_call( | |
| ["jupyter", "nbconvert", "--to", "notebook", | |
| "--execute", "--ExecutePreprocessor.timeout=500", | |
| "--output", str(out_path), str(nb_path)], | |
| env={**os.environ, "IPYTHONDIR": tmpdir}) | |
| with out_path.open() as out: | |
| nb = nbformat.read(out, nbformat.current_nbformat) | |
| errors = [output for cell in nb.cells for output in cell.get("outputs", []) | |
| if output.output_type == "error"] | |
| assert not errors | |