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hermes-agent/tests/hermes_cli/test_skills_subparser.py
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Initial import of NousResearch/hermes-agent
2026-05-31 09:36:58 +08:00

35 lines
1.2 KiB
Python

"""Test that skills subparser doesn't conflict (regression test for #898)."""
import argparse
def test_no_duplicate_skills_subparser():
"""Ensure 'skills' subparser is only registered once to avoid Python 3.11+ crash.
Python 3.11 changed argparse to raise an exception on duplicate subparser
names instead of silently overwriting (see CPython #94331).
This test will fail with:
argparse.ArgumentError: argument command: conflicting subparser: skills
if the duplicate 'skills' registration is reintroduced.
"""
# Force fresh import of the module where parser is constructed
# If there are duplicate 'skills' subparsers, this import will raise
# argparse.ArgumentError at module load time
import sys
# Remove cached module if present
if 'hermes_cli.main' in sys.modules:
del sys.modules['hermes_cli.main']
try:
import hermes_cli.main # noqa: F401
except argparse.ArgumentError as e:
if "conflicting subparser" in str(e):
raise AssertionError(
f"Duplicate subparser detected: {e}. "
"See issue #898 for details."
) from e
raise