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nousresearch--hermes-agent/tests/tools/test_subprocess_stdin_guard.py
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chore: import upstream snapshot with attribution
2026-07-13 11:56:03 +08:00

71 lines
2.5 KiB
Python

"""Verify that TUI-context subprocess calls specify stdin=.
This is the pytest wrapper for scripts/check_subprocess_stdin.py.
It runs as part of the test suite so CI catches regressions when new
subprocess calls are added without stdin=subprocess.DEVNULL.
"""
import importlib.util
import subprocess
import sys
from pathlib import Path
REPO_ROOT = Path(__file__).resolve().parents[2]
SCRIPT = REPO_ROOT / "scripts" / "check_subprocess_stdin.py"
def _load_guard():
spec = importlib.util.spec_from_file_location("_stdin_guard", SCRIPT)
assert spec is not None and spec.loader is not None
mod = importlib.util.module_from_spec(spec)
spec.loader.exec_module(mod)
return mod
def test_all_tui_subprocess_calls_have_stdin():
"""Every subprocess.run/Popen in TUI-context code must set stdin=."""
result = subprocess.run(
[sys.executable, str(SCRIPT)],
capture_output=True,
text=True,
timeout=30,
)
assert result.returncode == 0, (
f"subprocess stdin= check failed:\n{result.stdout}\n{result.stderr}"
)
def test_oauth_setup_token_keeps_inherited_stdin():
"""The interactive 'claude setup-token' login must NOT be muzzled.
Forcing stdin=subprocess.DEVNULL here would feed the OAuth prompt EOF and
break interactive token setup. A blanket DEVNULL sweep over TUI-context
subprocess calls must leave this one inheriting stdin. Regression guard for
the over-application caught while salvaging the stdin-EOF fix.
"""
src = (REPO_ROOT / "agent" / "anthropic_adapter.py").read_text()
assert 'subprocess.run([claude_path, "setup-token"])' in src, (
"interactive setup-token call changed shape; re-verify it still "
"inherits stdin (no stdin=subprocess.DEVNULL)"
)
assert 'subprocess.run([claude_path, "setup-token"], stdin' not in src, (
"setup-token must inherit stdin so the user can complete the OAuth "
"login prompt; do not add stdin=subprocess.DEVNULL"
)
def test_inline_noqa_marker_exempts_a_call():
"""The guard honors an inline 'noqa: subprocess-stdin' exemption marker."""
guard = _load_guard()
flagged = guard.find_subprocess_calls(
"import subprocess\nsubprocess.run(['ls'])\n", "x.py"
)
assert len(flagged) == 1, "unmarked missing-stdin call should be flagged"
exempt = guard.find_subprocess_calls(
"import subprocess\nsubprocess.run(['ls']) # noqa: subprocess-stdin\n",
"x.py",
)
assert exempt == [], "inline marker should exempt the call"