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61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
"""Tests for the activity-heartbeat behavior of the blocking gateway approval wait.
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Regression test for false gateway inactivity timeouts firing while the agent
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is legitimately blocked waiting for a user to respond to a dangerous-command
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approval prompt. Before the fix, ``entry.event.wait(timeout=...)`` blocked
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silently — no ``_touch_activity()`` calls — and the gateway's inactivity
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watchdog (``agent.gateway_timeout``, default 1800s) would kill the agent
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while the user was still choosing whether to approve.
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The fix polls the event in short slices and fires ``touch_activity_if_due``
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between slices, mirroring ``_wait_for_process`` in ``tools/environments/base.py``.
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"""
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import os
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def _clear_approval_state():
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"""Reset all module-level approval state between tests."""
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from tools import approval as mod
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mod._gateway_queues.clear()
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mod._gateway_notify_cbs.clear()
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mod._session_approved.clear()
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mod._permanent_approved.clear()
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mod._pending.clear()
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class TestApprovalHeartbeat:
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"""The blocking gateway approval wait must fire activity heartbeats.
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Without heartbeats, the gateway's inactivity watchdog kills the agent
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thread while it's legitimately waiting for a slow user to respond to
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an approval prompt (observed in real user logs: MRB, April 2026).
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"""
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SESSION_KEY = "heartbeat-test-session"
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def setup_method(self):
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_clear_approval_state()
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self._saved_env = {
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k: os.environ.get(k)
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for k in ("HERMES_GATEWAY_SESSION", "HERMES_YOLO_MODE",
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"HERMES_SESSION_KEY")
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}
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os.environ.pop("HERMES_YOLO_MODE", None)
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os.environ["HERMES_GATEWAY_SESSION"] = "1"
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# The blocking wait path reads the session key via contextvar OR
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# os.environ fallback. Contextvars don't propagate across threads
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# by default, so env var is the portable way to drive this in tests.
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os.environ["HERMES_SESSION_KEY"] = self.SESSION_KEY
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def teardown_method(self):
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for k, v in self._saved_env.items():
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if v is None:
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os.environ.pop(k, None)
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else:
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os.environ[k] = v
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_clear_approval_state()
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