Function test_safe_exists

testing/test_pathlib.py:1213–1239

(tmp_path: Path)

def test_safe_exists(tmp_path: Path) -> None:
    d = tmp_path.joinpath("some_dir")
    d.mkdir()
    assert safe_exists(d) is True

    f = tmp_path.joinpath("some_file")
    f.touch()
    assert safe_exists(f) is True

    # Use unittest.mock() as a context manager to have a very narrow
    # patch lifetime.
    p = tmp_path.joinpath("some long filename" * 100)
    with unittest.mock.patch.object(
        Path,
        "exists",
        autospec=True,
        side_effect=OSError(errno.ENAMETOOLONG, "name too long"),
    ):
        assert safe_exists(p) is False

    with unittest.mock.patch.object(
        Path,
        "exists",
        autospec=True,
        side_effect=ValueError("name too long"),
    ):
        assert safe_exists(p) is False


def test_import_sets_module_as_attribute(pytester: Pytester) -> None: