def test_basic(self):
m = NullBit1Model()
assert m.flag is None
m.save()
m = NullBit1Model.objects.get(id=m.id)
print(m.flag)
print(type(m.flag))
assert m.flag is None
m.flag = True
m.save()
m = NullBit1Model.objects.get(id=m.id)
assert m.flag
m.flag = False
m.save()
m = NullBit1Model.objects.get(id=m.id)
assert m.flag is not None and not m.flag
def test_dumping(self):
instance = NullBit1Model(flag=None)
data = json.loads(serializers.serialize('json', [instance]))[0]
fields = data['fields']
assert fields['flag'] is None