AIM-PIbd-32-Kurbanova-A-A/aimenv/Lib/site-packages/traitlets/tests/utils.py

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2024-10-02 22:15:59 +04:00
from __future__ import annotations
import sys
from subprocess import PIPE, Popen
from typing import Any, Sequence
def get_output_error_code(cmd: str | Sequence[str]) -> tuple[str, str, Any]:
"""Get stdout, stderr, and exit code from running a command"""
p = Popen(cmd, stdout=PIPE, stderr=PIPE) # noqa: S603
out, err = p.communicate()
out_str = out.decode("utf8", "replace")
err_str = err.decode("utf8", "replace")
return out_str, err_str, p.returncode
def check_help_output(pkg: str, subcommand: Sequence[str] | None = None) -> tuple[str, str]:
"""test that `python -m PKG [subcommand] -h` works"""
cmd = [sys.executable, "-m", pkg]
if subcommand:
cmd.extend(subcommand)
cmd.append("-h")
out, err, rc = get_output_error_code(cmd)
assert rc == 0, err
assert "Traceback" not in err
assert "Options" in out
assert "--help-all" in out
return out, err
def check_help_all_output(pkg: str, subcommand: Sequence[str] | None = None) -> tuple[str, str]:
"""test that `python -m PKG --help-all` works"""
cmd = [sys.executable, "-m", pkg]
if subcommand:
cmd.extend(subcommand)
cmd.append("--help-all")
out, err, rc = get_output_error_code(cmd)
assert rc == 0, err
assert "Traceback" not in err
assert "Options" in out
assert "Class options" in out
return out, err