Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/matplotlib/tests/test_backend_nbagg.py

28 lines
907 B
Python

import os
from pathlib import Path
import subprocess
from tempfile import TemporaryDirectory
import pytest
nbformat = pytest.importorskip('nbformat')
# 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