Files
Shadowbroker/backend/services/infonet/tests/test_time_validity_invalid_timestamps.py
T

39 lines
1.3 KiB
Python

"""Regression coverage for malformed chain timestamps."""
from typing import Any
from services.infonet.time_validity import chain_majority_time, is_event_too_future
def _event(node_id: str, timestamp: Any) -> dict[str, Any]:
return {"node_id": node_id, "timestamp": timestamp}
def test_chain_majority_time_ignores_malformed_and_nonfinite_timestamps() -> None:
chain = [
_event("valid-a", 10.0),
_event("bad-text", "not-a-timestamp"),
_event("bad-nan", float("nan")),
_event("bad-inf", float("inf")),
_event("valid-b", 20.0),
]
assert chain_majority_time(chain) == 15.0
def test_chain_majority_time_accepts_finite_numeric_strings() -> None:
chain = [_event("a", "10.5"), _event("b", "20.5")]
assert chain_majority_time(chain) == 15.5
def test_future_check_fails_closed_for_invalid_timestamps() -> None:
assert is_event_too_future(_event("bad-text", "not-a-timestamp"), chain_time=100.0)
assert is_event_too_future(_event("bad-nan", float("nan")), chain_time=100.0)
assert is_event_too_future(_event("bad-inf", float("inf")), chain_time=100.0)
def test_future_check_preserves_valid_timestamp_behavior() -> None:
assert not is_event_too_future(_event("near", 110.0), chain_time=100.0)
assert is_event_too_future(_event("far", 10_000.0), chain_time=100.0)