from datetime import datetime

from hypothesis import given, example

import hypothesis.strategies as st

import pytest

from sentry_sdk.serializer import Serializer

@given(

dt=st.datetimes(min_value=datetime(2000, 1, 1, 0, 0, 0), timezones=st.just(None))

)

@example(dt=datetime(2001, 1, 1, 0, 0, 0, 999500))

def test_datetime_precision(dt, semaphore_normalize):

serializer = Serializer()

event = serializer.serialize_event({"timestamp": dt})

normalized = semaphore_normalize(event)

if normalized is None:

pytest.skip("no semaphore available")

dt2 = datetime.utcfromtimestamp(normalized["timestamp"])

# Float glitches can happen, and more glitches can happen

# because we try to work around some float glitches in semaphore

assert (dt - dt2).total_seconds() < 1.0