import contextlib
-from dataclasses import replace
import pathlib
import re
from contextlib import ExitStack as does_not_raise
+from dataclasses import replace
from typing import ContextManager
+import pytest
+from _pytest.monkeypatch import MonkeyPatch
from click.testing import CliRunner
-from black.handle_ipynb_magics import jupyter_dependencies_are_installed
+
from black import (
- main,
+ Mode,
NothingChanged,
format_cell,
format_file_contents,
format_file_in_place,
+ main,
)
-import pytest
-from black import Mode
-from _pytest.monkeypatch import MonkeyPatch
-from tests.util import DATA_DIR, read_jupyter_notebook, get_case_path
+from black.handle_ipynb_magics import jupyter_dependencies_are_installed
+from tests.util import DATA_DIR, get_case_path, read_jupyter_notebook
with contextlib.suppress(ModuleNotFoundError):
import IPython
[
pytest.param(JUPYTER_MODE, id="default mode"),
pytest.param(
- replace(JUPYTER_MODE, python_cell_magics={"cust1", "cust1"}),
+ replace(JUPYTER_MODE, python_cell_magics={"cust1", "cust2"}),
id="custom cell magics mode",
),
],
[
pytest.param(JUPYTER_MODE, id="default mode"),
pytest.param(
- replace(JUPYTER_MODE, python_cell_magics={"cust1", "cust1"}),
+ replace(JUPYTER_MODE, python_cell_magics={"cust1", "cust2"}),
id="custom cell magics mode",
),
],
id="No change when cell magic not registered",
),
pytest.param(
- replace(JUPYTER_MODE, python_cell_magics={"cust1", "cust1"}),
+ replace(JUPYTER_MODE, python_cell_magics={"cust1", "cust2"}),
"%%custom_python_magic -n1 -n2\nx=2",
pytest.raises(NothingChanged),
id="No change when other cell magics registered",
jupyter_dependencies_are_installed.cache_clear()
nb = get_case_path("jupyter", "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())
+ tmp_nb.write_bytes(nb.read_bytes())
monkeypatch.setattr(
"black.jupyter_dependencies_are_installed", lambda verbose, quiet: False
)
jupyter_dependencies_are_installed.cache_clear()
nb = get_case_path("jupyter", "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())
+ tmp_nb.write_bytes(nb.read_bytes())
monkeypatch.setattr(
"black.files.jupyter_dependencies_are_installed", lambda verbose, quiet: False
)
def test_ipynb_flag(tmp_path: pathlib.Path) -> None:
nb = get_case_path("jupyter", "notebook_trailing_newline.ipynb")
tmp_nb = tmp_path / "notebook.a_file_extension_which_is_definitely_not_ipynb"
- with open(nb) as src, open(tmp_nb, "w") as dst:
- dst.write(src.read())
+ tmp_nb.write_bytes(nb.read_bytes())
result = runner.invoke(
main,
[