Class BlackRunner

tests/test_black.py:108–115

Make sure STDOUT and STDERR are kept separate when testing Black via its CLI.

class BlackRunner(_CliRunner):
    """Make sure STDOUT and STDERR are kept separate when testing Black via its CLI."""

    def __init__(self) -> None:
        if Version(imp_version("click")) >= Version("8.2.0"):
            super().__init__()
        else:
            super().__init__(mix_stderr=False)  # type: ignore


def invokeBlack(