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Shadowbroker/backend/services/infonet/tests/test_gate_lock_nonfinite_values.py
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Sylvester KaczmarekandGitHub 072bd29445 fix(infonet): reject non-finite gate lock values (#511)
* fix(infonet): reject non-finite gate lock values

* test(infonet): cover non-finite gate lock values
2026-08-14 18:30:13 -06:00

67 lines
2.0 KiB
Python

"""Regression coverage for non-finite gate lock contributions."""
from services.infonet.config import CONFIG
from services.infonet.gates import is_locked, validate_lock_request
from services.infonet.tests._gate_factory import (
make_gate_create,
make_gate_enter,
make_gate_lock,
)
def _gate_with_members() -> tuple[list[dict], list[str]]:
base = 1_000_000.0
threshold = int(CONFIG["gate_lock_min_members"])
members = [f"m{i}" for i in range(threshold)]
chain = [make_gate_create("g1", "creator", ts=base, seq=1)]
for i, member in enumerate(members):
chain.append(make_gate_enter("g1", member, ts=base + 100 + i, seq=2 + i))
return chain, members
def _append_valid_locks(chain: list[dict], members: list[str]) -> None:
cost = int(CONFIG["gate_lock_cost_per_member"])
for i, member in enumerate(members):
chain.append(
make_gate_lock(
"g1",
member,
ts=1_001_000.0 + i,
seq=200 + i,
lock_cost=cost,
)
)
def test_infinite_lock_cost_does_not_count_toward_threshold():
chain, members = _gate_with_members()
_append_valid_locks(chain, members[:-1])
bad = make_gate_lock("g1", members[-1], ts=1_002_000.0, seq=999)
bad["payload"]["lock_cost"] = float("inf")
chain.append(bad)
assert not is_locked("g1", chain)
def test_nonfinite_lock_timestamp_does_not_count_toward_threshold():
chain, members = _gate_with_members()
_append_valid_locks(chain, members[:-1])
bad = make_gate_lock("g1", members[-1], ts=float("nan"), seq=999)
chain.append(bad)
assert not is_locked("g1", chain)
def test_validate_lock_request_rejects_nonfinite_cost():
chain, members = _gate_with_members()
decision = validate_lock_request(
members[0],
"g1",
chain,
lock_cost=float("inf"), # type: ignore[arg-type]
)
assert not decision.accepted
assert decision.reason == "invalid_lock_cost"