ERA001 does not detect commented out case statements

[dosisod]

Commented out case statements are ignored if they are missing a body, or have a body and fit on one line:

match 1:
    # case 1:          # commented code ignored
    # case 1: print()  # commented code ignored

    case 1:
        pass
        # print()  # commented code found

# if 1: print()  # commented code found

if 1:
    pass
    # print()  # commented code found

Running:

$ ruff --version
ruff 0.2.2

$ ruff file.py --output-format=concise
file.py:7:9: ERA001 Found commented-out code
file.py:9:1: ERA001 Found commented-out code
file.py:13:5: ERA001 Found commented-out code

The first 2 case blocks should be counted but aren't. Often times I will duplicate and comment out a case statement to figure out why a pattern isn't matching, only to forget to remove the commented out case.

The example with the case/body on one line is less of an issue but still odd, perhaps the case statement is preventing the body from being detected.

[MichaReiser]

Thanks for the report.

I think we need to extend the POSITIVE_CASES to handle case

Playground: https://play.ruff.rs/5a305aa9-6e5c-4fa4-999a-8fc427ab9a23

[ottaviohartman]

@MichaReiser opened my first PR for this! Let me know how it looks