black/tests/test_no_ipynb.py
Miro Hrončok 092959ff1f
Support pytest 7 by fixing broken imports (GH-2705)
The tmp_path related changes are not necessary to make pytest 7 work,
but it feels more complete this way.
2021-12-24 22:28:43 -05:00

38 lines
1.3 KiB
Python

import pytest
import os
import pathlib
from tests.util import THIS_DIR
from black import main, jupyter_dependencies_are_installed
from click.testing import CliRunner
pytestmark = pytest.mark.no_jupyter
runner = CliRunner()
def test_ipynb_diff_with_no_change_single() -> None:
jupyter_dependencies_are_installed.cache_clear()
path = THIS_DIR / "data/notebook_trailing_newline.ipynb"
result = runner.invoke(main, [str(path)])
expected_output = (
"Skipping .ipynb files as Jupyter dependencies are not installed.\n"
"You can fix this by running ``pip install black[jupyter]``\n"
)
assert expected_output in result.output
def test_ipynb_diff_with_no_change_dir(tmp_path: pathlib.Path) -> None:
jupyter_dependencies_are_installed.cache_clear()
runner = CliRunner()
nb = os.path.join("tests", "data", "notebook_trailing_newline.ipynb")
tmp_nb = tmp_path / "notebook.ipynb"
with open(nb) as src, open(tmp_nb, "w") as dst:
dst.write(src.read())
result = runner.invoke(main, [str(tmp_path)])
expected_output = (
"Skipping .ipynb files as Jupyter dependencies are not installed.\n"
"You can fix this by running ``pip install black[jupyter]``\n"
)
assert expected_output in result.output