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cfb206fe2e
Three mechanisms to detect and notify when gateway sessions stall silently: 1. Mid-turn activity heartbeats stamped to SessionDB so hermes sessions list and hermes status show progress during long turns without new message rows. 2. Stall watchdog: when a busy session has pending inbound and the shared activity clock is idle past agent.session_stall_timeout (default 300), log a WARNING and notify the user once to try /new. Notify-only; does not kill the turn. 3. Compaction timeout: fenceless compress_context callers get a progress-aware host budget (compression.context_timeout_seconds default 120 idle, compression.context_total_ceiling_seconds default 600 ceiling). On timeout, cancel via commit fence, skip compaction without dropping messages, and continue the turn. Closes #72016 (slices 1-3; slice 4 cumulative SSE stream-retry deadline remains a follow-up). Cherry-picked from PR #72424 by @fangliquanflq.
82 lines
3.1 KiB
Python
82 lines
3.1 KiB
Python
"""Unit tests for the shared session activity observation contract."""
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from agent.session_activity import (
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ActivityProvenance,
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bound_activity_description,
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build_activity_snapshot,
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normalize_activity_provenance,
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)
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def test_bound_activity_description_truncates():
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long = "x" * 200
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out = bound_activity_description(long)
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assert len(out) == 120
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assert out.endswith("…")
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def test_normalize_activity_provenance_defaults_to_unknown():
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assert normalize_activity_provenance(None) is ActivityProvenance.UNKNOWN
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assert normalize_activity_provenance("") is ActivityProvenance.UNKNOWN
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assert normalize_activity_provenance("not-a-real-source") is ActivityProvenance.UNKNOWN
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assert normalize_activity_provenance("agent.activity") is ActivityProvenance.UNKNOWN
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assert (
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normalize_activity_provenance(ActivityProvenance.AGENT_COMPRESSION)
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is ActivityProvenance.AGENT_COMPRESSION
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)
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assert (
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normalize_activity_provenance("agent.compression_timeout")
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is ActivityProvenance.AGENT_COMPRESSION_TIMEOUT
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)
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def test_build_activity_snapshot_includes_compat_aliases():
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snap = build_activity_snapshot(
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last_activity_at=100.0,
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last_activity_description="starting API call #1",
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last_activity_provenance=ActivityProvenance.UNKNOWN,
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now=110.0,
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extra={"api_call_count": 1},
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)
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assert snap["last_activity_at"] == 100.0
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assert snap["last_activity_description"] == "starting API call #1"
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assert snap["last_activity_provenance"] == "unknown"
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assert snap["seconds_since_activity"] == 10.0
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assert snap["last_activity_ts"] == 100.0
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assert snap["last_activity_desc"] == "starting API call #1"
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assert snap["description"] == "starting API call #1"
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assert snap["api_call_count"] == 1
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assert "phase" not in snap
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assert "last_progress_at" not in snap
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def test_build_activity_snapshot_maps_missing_provenance_to_unknown():
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snap = build_activity_snapshot(
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last_activity_at=1.0,
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last_activity_description="starting new turn (cached)",
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last_activity_provenance=None,
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now=2.0,
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)
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assert snap["last_activity_provenance"] == "unknown"
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def test_build_activity_snapshot_preserves_compression_transition_provenances():
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"""Compaction / timeout / cooldown share the observation source (#72424)."""
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for provenance, desc in (
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(ActivityProvenance.AGENT_COMPRESSION, "context compression in progress"),
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(ActivityProvenance.AGENT_COMPRESSION_TIMEOUT, "context compression timed out"),
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(
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ActivityProvenance.AGENT_COMPRESSION_COOLDOWN,
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"compression blocked (cooldown: 30s remaining)",
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),
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):
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snap = build_activity_snapshot(
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last_activity_at=50.0,
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last_activity_description=desc,
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last_activity_provenance=provenance,
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now=55.0,
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)
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assert snap["last_activity_provenance"] == provenance.value
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assert snap["provenance"] == provenance.value
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assert snap["last_activity_description"] == desc
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assert snap["seconds_since_activity"] == 5.0
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