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"""Telegram timestamps should display Beijing local time."""
from datetime import datetime
from zoneinfo import ZoneInfo
from server.infrastructure.telegram import _now_cn
from server.utils.display_time import format_beijing_now
def test_now_cn_uses_beijing_timezone_label():
text = _now_cn()
assert text == format_beijing_now()
assert text.endswith("北京时间")
assert "UTC" not in text
wall = text.replace(" 北京时间", "")
parsed = datetime.strptime(wall, "%Y-%m-%d %H:%M:%S").replace(tzinfo=ZoneInfo("Asia/Shanghai"))
utc_now = datetime.now(ZoneInfo("UTC"))
delta_seconds = abs((parsed - utc_now).total_seconds())
assert delta_seconds < 120