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hermes-webui/tests/test_issue2821_session_pin_state_sync.py
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Python

"""Regression checks for #2821 session pin/unpin state sync."""
from pathlib import Path
ROOT = Path(__file__).resolve().parent.parent
ROUTES_PY = (ROOT / "api" / "routes.py").read_text(encoding="utf-8")
SESSIONS_JS = (ROOT / "static" / "sessions.js").read_text(encoding="utf-8")
def _function_block(src: str, name: str) -> str:
marker = f"function {name}"
start = src.find(marker)
assert start != -1, f"{name} not found"
brace = src.find("{", start)
assert brace != -1, f"{name} body not found"
depth = 1
i = brace + 1
while i < len(src) and depth:
if src[i] == "{":
depth += 1
elif src[i] == "}":
depth -= 1
i += 1
assert depth == 0, f"{name} body did not close"
return src[start:i]
def test_session_field_helper_reads_dicts_and_objects():
from api.routes import _session_field
class SessionLike:
session_id = "obj-1"
pinned = True
archived = False
assert _session_field({"session_id": "dict-1", "pinned": True}, "pinned", False) is True
assert _session_field({"session_id": "dict-1"}, "archived", False) is False
assert _session_field(SessionLike(), "session_id", None) == "obj-1"
assert _session_field(SessionLike(), "missing", "fallback") == "fallback"
def test_pin_limit_snapshot_counts_index_dict_entries():
assert "def _session_counts_toward_pin_quota(session)" in ROUTES_PY
assert "_session_field(existing, \"session_id\", None)" in ROUTES_PY
assert "_session_counts_toward_pin_quota(existing)" in ROUTES_PY
assert "_hide_from_default_sidebar(row)" in ROUTES_PY
start = ROUTES_PY.find("persisted_pinned_ids = {")
assert start != -1, "persisted pin snapshot not found"
end = ROUTES_PY.find("with LOCK:", start)
assert end != -1, "persisted pin snapshot should be computed before LOCK"
persisted_snapshot = ROUTES_PY[start:end]
assert 'getattr(existing, "pinned", False)' not in persisted_snapshot
assert 'getattr(existing, "archived", False)' not in persisted_snapshot
def test_pin_action_does_not_short_circuit_on_stale_client_count():
body = _function_block(SESSIONS_JS, "_openSessionActionMenu")
assert "const pinLimitReached=" not in body
assert "if(pinLimitReached)" not in body
assert "_pinnedSessionCount()>=_getPinnedSessionsLimit()" not in body
assert "await api('/api/session/pin'" in body
def test_pin_action_refreshes_session_list_after_pin_failure():
body = _function_block(SESSIONS_JS, "_openSessionActionMenu")
catch_idx = body.find("}catch(err){")
assert catch_idx != -1, "Pin/unpin action must have an error path"
catch_block = body[catch_idx:body.find("}", catch_idx + len("}catch(err){")) + 1]
assert "showToast(t('session_pin_failed')+err.message)" in catch_block
assert "await renderSessionList()" in catch_block