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from django.db import IntegrityError
from recurrence import Recurrence
from tests.models import EventWithNulls, EventWithNoNulls
import pytest
@pytest.mark.django_db
def test_recurs_can_be_explicitly_none_if_none_is_allowed():
# Check we can save None correctly
event = EventWithNulls.objects.create(recurs=None)
assert event.recurs is None
# Check we can deserialize None correctly
reloaded = EventWithNulls.objects.get(pk=event.pk)
assert reloaded.recurs is None
@pytest.mark.django_db
def test_recurs_cannot_be_explicitly_none_if_none_is_disallowed():
with pytest.raises(IntegrityError):
EventWithNoNulls.objects.create(recurs=None)
@pytest.mark.django_db
def test_recurs_can_be_empty_even_if_none_is_disallowed():
event = EventWithNoNulls.objects.create(recurs=Recurrence())
assert event.recurs == Recurrence()
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