from datetime import datetime, timezone as dt_timezone

from apps.core.templatetags.jalali import jalali_date, jalali_datetime, persian_time


def test_jalali_datetime_uses_iran_time_persian_month_and_digits():
    value = datetime(2026, 9, 6, 5, 0, tzinfo=dt_timezone.utc)
    assert jalali_datetime(value) == "۱۵ شهریور ۱۴۰۵، ساعت ۰۸:۳۰"
    assert jalali_date(value) == "۱۵ شهریور ۱۴۰۵"
    assert persian_time(value) == "۰۸:۳۰"


def test_jalali_filters_fail_safely_for_empty_values():
    assert jalali_datetime(None) == ""
    assert jalali_date(None) == ""
    assert persian_time(None) == ""