EventWhisper

from __future__ import annotations from datetime import datetime, timedelta, timezone from eventwhisper.utils.normalize_timestamp import normalize_timestamp def test_normalize_none_returns_none(): assert normalize_timestamp(None) is None def test_normalize_none_with_fallback(): fb = datetime(2025, 1, 1, tzinfo=timezone.utc) assert normalize_timestamp(None, fallback=fb) == fb def test_normalize_naive_datetime_assume_utc(): naive = datetime(2025, 1, 1, 2, 3, 4) got = normalize_timestamp(naive) assert got == naive.replace(tzinfo=timezone.utc) def test_normalize_aware_datetime_to_utc(): aware = datetime(2025, 1, 1, 2, 0, 0, tzinfo=timezone(timedelta(hours=2))) got = normalize_timestamp(aware) assert got == datetime(2025, 1, 1, 0, 0, 0, tzinfo=timezone.utc) def test_normalize_date_only(): assert normalize_timestamp("2025-01-02") == datetime( 2025, 1, 2, tzinfo=timezone.utc ) def test_normalize_space_without_fraction(): assert normalize_timestamp("2025-01-02 03:04:05") == datetime( 2025, 1, 2, 3, 4, 5, tzinfo=timezone.utc ) def test_normalize_space_with_fraction(): assert normalize_timestamp("2025-01-02 03:04:05.123456") == datetime( 2025, 1, 2, 3, 4, 5, 123456, tzinfo=timezone.utc ) def test_normalize_with_trailing_utc(): assert normalize_timestamp("2025-01-02 03:04:05.789 UTC") == datetime( 2025, 1, 2, 3, 4, 5, 789000, tzinfo=timezone.utc ) def test_normalize_iso_with_z(): assert normalize_timestamp("2025-01-02T03:04:05Z") == datetime( 2025, 1, 2, 3, 4, 5, tzinfo=timezone.utc ) def test_normalize_iso_with_offset(): assert normalize_timestamp("2025-01-02T03:04:05.100000+02:00") == datetime( 2025, 1, 2, 1, 4, 5, 100000, tzinfo=timezone.utc ) def test_normalize_strips_quotes_and_backticks(): got1 = normalize_timestamp('`"2025-01-02 03:04:05"`') got2 = normalize_timestamp("`'2025-01-02T03:04:05Z'`") assert got1 == datetime(2025, 1, 2, 3, 4, 5, tzinfo=timezone.utc) assert got2 == datetime(2025, 1, 2, 3, 4, 5, tzinfo=timezone.utc) # Fallback coverage for the strptime branch (no brittle patches on C types) def _force_fromiso_raises(monkeypatch): """ Patch the module’s `datetime` symbol to a TYPE with classmethods, so isinstance(..., datetime) keeps working, but fromisoformat() raises. """ from datetime import datetime as real_dt import eventwhisper.utils.normalize_timestamp as nt class FakeDateTime: @classmethod def fromisoformat(cls, _s: str): raise ValueError("boom") @classmethod def strptime(cls, s: str, fmt: str): return real_dt.strptime(s, fmt) monkeypatch.setattr(nt, "datetime", FakeDateTime, raising=True) def test_fallback_strptime_fractional(monkeypatch): _force_fromiso_raises(monkeypatch) s = "2025-03-04 05:06:07.890123" got = normalize_timestamp(s) assert got == datetime(2025, 3, 4, 5, 6, 7, 890123, tzinfo=timezone.utc) def test_fallback_strptime_no_fraction(monkeypatch): _force_fromiso_raises(monkeypatch) s = "2025-03-04 05:06:07" got = normalize_timestamp(s) assert got == datetime(2025, 3, 4, 5, 6, 7, tzinfo=timezone.utc)