X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/b1d060101626aa1c332f52e4bdf0ae5e4cc07990..3cb010ec8ec02392dee5073b74e6eff80030c5f0:/tests/test_ipynb.py?ds=sidebyside diff --git a/tests/test_ipynb.py b/tests/test_ipynb.py index 038155e..ba46007 100644 --- a/tests/test_ipynb.py +++ b/tests/test_ipynb.py @@ -1,4 +1,5 @@ -import pathlib +import re + from click.testing import CliRunner from black.handle_ipynb_magics import jupyter_dependencies_are_installed from black import ( @@ -8,11 +9,11 @@ from black import ( format_file_contents, format_file_in_place, ) -import os import pytest from black import Mode from _pytest.monkeypatch import MonkeyPatch from py.path import local +from tests.util import DATA_DIR pytestmark = pytest.mark.jupyter pytest.importorskip("IPython", reason="IPython is an optional dependency") @@ -178,9 +179,7 @@ def test_empty_cell() -> None: def test_entire_notebook_empty_metadata() -> None: - with open( - os.path.join("tests", "data", "notebook_empty_metadata.ipynb"), "rb" - ) as fd: + with open(DATA_DIR / "notebook_empty_metadata.ipynb", "rb") as fd: content_bytes = fd.read() content = content_bytes.decode() result = format_file_contents(content, fast=True, mode=JUPYTER_MODE) @@ -217,9 +216,7 @@ def test_entire_notebook_empty_metadata() -> None: def test_entire_notebook_trailing_newline() -> None: - with open( - os.path.join("tests", "data", "notebook_trailing_newline.ipynb"), "rb" - ) as fd: + with open(DATA_DIR / "notebook_trailing_newline.ipynb", "rb") as fd: content_bytes = fd.read() content = content_bytes.decode() result = format_file_contents(content, fast=True, mode=JUPYTER_MODE) @@ -268,9 +265,7 @@ def test_entire_notebook_trailing_newline() -> None: def test_entire_notebook_no_trailing_newline() -> None: - with open( - os.path.join("tests", "data", "notebook_no_trailing_newline.ipynb"), "rb" - ) as fd: + with open(DATA_DIR / "notebook_no_trailing_newline.ipynb", "rb") as fd: content_bytes = fd.read() content = content_bytes.decode() result = format_file_contents(content, fast=True, mode=JUPYTER_MODE) @@ -319,9 +314,7 @@ def test_entire_notebook_no_trailing_newline() -> None: def test_entire_notebook_without_changes() -> None: - with open( - os.path.join("tests", "data", "notebook_without_changes.ipynb"), "rb" - ) as fd: + with open(DATA_DIR / "notebook_without_changes.ipynb", "rb") as fd: content_bytes = fd.read() content = content_bytes.decode() with pytest.raises(NothingChanged): @@ -329,7 +322,7 @@ def test_entire_notebook_without_changes() -> None: def test_non_python_notebook() -> None: - with open(os.path.join("tests", "data", "non_python_notebook.ipynb"), "rb") as fd: + with open(DATA_DIR / "non_python_notebook.ipynb", "rb") as fd: content_bytes = fd.read() content = content_bytes.decode() with pytest.raises(NothingChanged): @@ -342,23 +335,17 @@ def test_empty_string() -> None: def test_unparseable_notebook() -> None: - msg = ( - r"File 'tests[/\\]data[/\\]notebook_which_cant_be_parsed\.ipynb' " - r"cannot be parsed as valid Jupyter notebook\." - ) + path = DATA_DIR / "notebook_which_cant_be_parsed.ipynb" + msg = rf"File '{re.escape(str(path))}' cannot be parsed as valid Jupyter notebook\." with pytest.raises(ValueError, match=msg): - format_file_in_place( - pathlib.Path("tests") / "data/notebook_which_cant_be_parsed.ipynb", - fast=True, - mode=JUPYTER_MODE, - ) + format_file_in_place(path, fast=True, mode=JUPYTER_MODE) def test_ipynb_diff_with_change() -> None: result = runner.invoke( main, [ - os.path.join("tests", "data", "notebook_trailing_newline.ipynb"), + str(DATA_DIR / "notebook_trailing_newline.ipynb"), "--diff", ], ) @@ -370,7 +357,7 @@ def test_ipynb_diff_with_no_change() -> None: result = runner.invoke( main, [ - os.path.join("tests", "data", "notebook_without_changes.ipynb"), + str(DATA_DIR / "notebook_without_changes.ipynb"), "--diff", ], ) @@ -383,7 +370,7 @@ def test_cache_isnt_written_if_no_jupyter_deps_single( ) -> None: # Check that the cache isn't written to if Jupyter dependencies aren't installed. jupyter_dependencies_are_installed.cache_clear() - nb = os.path.join("tests", "data", "notebook_trailing_newline.ipynb") + nb = DATA_DIR / "notebook_trailing_newline.ipynb" tmp_nb = tmpdir / "notebook.ipynb" with open(nb) as src, open(tmp_nb, "w") as dst: dst.write(src.read()) @@ -405,7 +392,7 @@ def test_cache_isnt_written_if_no_jupyter_deps_dir( ) -> None: # Check that the cache isn't written to if Jupyter dependencies aren't installed. jupyter_dependencies_are_installed.cache_clear() - nb = os.path.join("tests", "data", "notebook_trailing_newline.ipynb") + nb = DATA_DIR / "notebook_trailing_newline.ipynb" tmp_nb = tmpdir / "notebook.ipynb" with open(nb) as src, open(tmp_nb, "w") as dst: dst.write(src.read()) @@ -423,7 +410,7 @@ def test_cache_isnt_written_if_no_jupyter_deps_dir( def test_ipynb_flag(tmpdir: local) -> None: - nb = os.path.join("tests", "data", "notebook_trailing_newline.ipynb") + nb = DATA_DIR / "notebook_trailing_newline.ipynb" tmp_nb = tmpdir / "notebook.a_file_extension_which_is_definitely_not_ipynb" with open(nb) as src, open(tmp_nb, "w") as dst: dst.write(src.read()) @@ -440,11 +427,11 @@ def test_ipynb_flag(tmpdir: local) -> None: def test_ipynb_and_pyi_flags() -> None: - nb = os.path.join("tests", "data", "notebook_trailing_newline.ipynb") + nb = DATA_DIR / "notebook_trailing_newline.ipynb" result = runner.invoke( main, [ - nb, + str(nb), "--pyi", "--ipynb", "--diff", @@ -453,3 +440,12 @@ def test_ipynb_and_pyi_flags() -> None: assert isinstance(result.exception, SystemExit) expected = "Cannot pass both `pyi` and `ipynb` flags!\n" assert result.output == expected + + +def test_unable_to_replace_magics(monkeypatch: MonkeyPatch) -> None: + src = "%%time\na = 'foo'" + monkeypatch.setattr("black.handle_ipynb_magics.TOKEN_HEX", lambda _: "foo") + with pytest.raises( + AssertionError, match="Black was not able to replace IPython magic" + ): + format_cell(src, fast=True, mode=JUPYTER_MODE)