test_empty_script.py

import subprocess


def test_script_help():
    result = subprocess.run(
        [
            "coverage",
            "run",
            "-m",
            "typer_cli",
            "tests/assets/empty_script.py",
            "--help",
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
        encoding="utf-8",
    )
    assert "run" not in result.stdout