Files
QuantDinger/backend_api_python/tests/test_timeutil.py
T
Dinger b9ba06329f v3.0.14
Signed-off-by: Dinger <quantdinger@gmail.com>
2026-05-25 19:25:56 +08:00

21 lines
665 B
Python

"""Tests for UTC serialization of naive DB timestamps."""
from datetime import datetime, timezone
from app.utils.timeutil import to_utc_iso
def test_naive_datetime_from_pg_session_is_utc_not_container_tz():
# PG pool uses timezone=UTC: 17:59 Shanghai event → 09:59 naive in DB.
naive = datetime(2026, 5, 25, 9, 59, 30)
assert to_utc_iso(naive) == "2026-05-25T09:59:30Z"
def test_aware_utc_datetime_emits_z():
aware = datetime(2026, 5, 25, 9, 59, 30, tzinfo=timezone.utc)
assert to_utc_iso(aware) == "2026-05-25T09:59:30Z"
def test_iso_string_with_z_re_emitted():
assert to_utc_iso("2026-05-25T09:59:30Z") == "2026-05-25T09:59:30Z"