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hermes-agent/tests/hermes_cli/test_subprocess_timeouts.py

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"""Tests for subprocess.run() timeout coverage in CLI utilities."""
import ast
from pathlib import Path
import pytest
# Parameterise over every CLI module that calls subprocess.run
_CLI_MODULES = [
"hermes_cli/doctor.py",
"hermes_cli/status.py",
"hermes_cli/clipboard.py",
"hermes_cli/banner.py",
]
def _subprocess_run_calls(filepath: str) -> list[dict]:
"""Parse a Python file and return info about subprocess.run() calls."""
source = Path(filepath).read_text()
tree = ast.parse(source, filename=filepath)
calls = []
for node in ast.walk(tree):
if not isinstance(node, ast.Call):
continue
func = node.func
if (isinstance(func, ast.Attribute) and func.attr == "run"
and isinstance(func.value, ast.Name)
and func.value.id == "subprocess"):
has_timeout = any(kw.arg == "timeout" for kw in node.keywords)
calls.append({"line": node.lineno, "has_timeout": has_timeout})
return calls
@pytest.mark.parametrize("filepath", _CLI_MODULES)
def test_all_subprocess_run_calls_have_timeout(filepath):
"""Every subprocess.run() call in CLI modules must specify a timeout."""
if not Path(filepath).exists():
pytest.skip(f"{filepath} not found")
calls = _subprocess_run_calls(filepath)
missing = [c for c in calls if not c["has_timeout"]]
assert not missing, (
f"{filepath} has subprocess.run() without timeout at "
f"line(s): {[c['line'] for c in missing]}"
)