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Upgrade mypy (#3864)
[etc/vim.git] / tests / test_no_ipynb.py
1 import pathlib
2
3 import pytest
4 from click.testing import CliRunner
5
6 from black import jupyter_dependencies_are_installed, main
7 from tests.util import get_case_path
8
9 pytestmark = pytest.mark.no_jupyter
10
11 runner = CliRunner()
12
13
14 def test_ipynb_diff_with_no_change_single() -> None:
15     jupyter_dependencies_are_installed.cache_clear()
16     path = get_case_path("jupyter", "notebook_trailing_newline.ipynb")
17     result = runner.invoke(main, [str(path)])
18     expected_output = (
19         "Skipping .ipynb files as Jupyter dependencies are not installed.\n"
20         'You can fix this by running ``pip install "black[jupyter]"``\n'
21     )
22     assert expected_output in result.output
23
24
25 def test_ipynb_diff_with_no_change_dir(tmp_path: pathlib.Path) -> None:
26     jupyter_dependencies_are_installed.cache_clear()
27     runner = CliRunner()
28     nb = get_case_path("jupyter", "notebook_trailing_newline.ipynb")
29     tmp_nb = tmp_path / "notebook.ipynb"
30     tmp_nb.write_bytes(nb.read_bytes())
31     result = runner.invoke(main, [str(tmp_path)])
32     expected_output = (
33         "Skipping .ipynb files as Jupyter dependencies are not installed.\n"
34         'You can fix this by running ``pip install "black[jupyter]"``\n'
35     )
36     assert expected_output in result.output